/* ─── CSS Variables & Theme ───────────────────────────────────────────── */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a2e;
  --bg-card: #16161f;
  --bg-hover: #1f1f30;
  --bg-active: #252540;
  --border-color: #2a2a3e;
  --border-light: #33334d;
  --text-primary: #e8e8f0;
  --text-secondary: #9898b0;
  --text-muted: #6a6a85;
  --accent-blue: #6366f1;
  --accent-blue-hover: #5558e8;
  --accent-purple: #8b5cf6;
  --accent-green: #22c55e;
  --accent-red: #ef4444;
  --accent-yellow: #eab308;
  --accent-orange: #f97316;
  --accent-cyan: #06b6d4;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.6);
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Segoe UI', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-mono: 'Cascadia Code', 'Fira Code', 'JetBrains Mono', monospace;
  
  /* Desktop theme */
  --taskbar-height: 44px;
  --titlebar-height: 36px;
  --window-min-width: 320px;
  --window-min-height: 200px;
  --desktop-wallpaper: linear-gradient(135deg, #0f0c29 0%, #1a1a3e 30%, #24243e 60%, #0a0a1a 100%);
  --glass-bg: rgba(18, 18, 30, 0.85);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur: 16px;
}

/* ─── Reset ────────────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  height: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  height: 100%;
  overflow: hidden;
  display: block;
}

/* ═══════════════════════════════════════════════════════════════════════
   BOOT SCREEN (Windows 11-style startup animation)
   ═══════════════════════════════════════════════════════════════════════ */

.boot-screen {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: opacity 0.8s ease-out;
}
.boot-screen.boot-hidden {
  opacity: 0;
  pointer-events: none;
}
.boot-screen.boot-done {
  display: none;
}

.boot-wallpaper {
  position: absolute;
  inset: 0;
  background: #07070d;
  z-index: 0;
}
.boot-wallpaper::before {
  content: '';
  position: absolute;
  top: -30%;
  left: -20%;
  width: 80%;
  height: 80%;
  background: radial-gradient(ellipse at center, rgba(99,102,241,0.04) 0%, transparent 70%);
  pointer-events: none;
  animation: bootGlowPulse 4s ease-in-out infinite;
}
.boot-wallpaper::after {
  content: '';
  position: absolute;
  bottom: -20%;
  right: -10%;
  width: 60%;
  height: 60%;
  background: radial-gradient(ellipse at center, rgba(139,92,246,0.03) 0%, transparent 70%);
  pointer-events: none;
  animation: bootGlowPulse 4s ease-in-out infinite 2s;
}

@keyframes bootGlowPulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.boot-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

/* Logo */
.boot-logo {
  opacity: 0;
  transform: scale(0.7) translateY(15px);
  color: var(--accent-blue);
  filter: drop-shadow(0 0 30px rgba(99,102,241,0.2));
  transition: all 1s cubic-bezier(0.34, 1.56, 0.64, 1);
  margin-bottom: 8px;
}
.boot-screen.phase-logo .boot-logo {
  opacity: 1;
  transform: scale(1) translateY(0);
}
.boot-logo svg {
  display: block;
}

/* Title */
.boot-title {
  font-size: 1.8rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.7s ease-out 0.15s;
  letter-spacing: -0.02em;
}
.boot-screen.phase-logo .boot-title {
  opacity: 1;
  transform: translateY(0);
}

/* Subtitle */
.boot-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 10px;
  opacity: 0;
  transition: opacity 0.5s ease-out 0.4s;
}
.boot-screen.phase-dots .boot-subtitle {
  opacity: 1;
}

/* Spinning dots (Windows 11 style) */
.boot-dots {
  display: flex;
  gap: 5px;
  margin-top: 24px;
  opacity: 0;
  transition: opacity 0.4s ease-out 0.3s;
}
.boot-screen.phase-dots .boot-dots {
  opacity: 1;
}

.boot-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-blue);
  animation: bootDotBounce 1.4s ease-in-out infinite;
}
.boot-dot:nth-child(1) { animation-delay: 0s; }
.boot-dot:nth-child(2) { animation-delay: 0.12s; }
.boot-dot:nth-child(3) { animation-delay: 0.24s; }
.boot-dot:nth-child(4) { animation-delay: 0.36s; }
.boot-dot:nth-child(5) { animation-delay: 0.48s; }

@keyframes bootDotBounce {
  0%, 80%, 100% {
    transform: scale(1);
    opacity: 0.25;
  }
  40% {
    transform: scale(1.6);
    opacity: 1;
  }
}

/* ═══════════════════════════════════════════════════════════════════════
   LOGIN SCREEN (Windows PC-style)
   ═══════════════════════════════════════════════════════════════════════ */

.login-screen {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.login-screen.hidden {
  display: none;
}

.login-wallpaper {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0f0c29 0%, #1a1a3e 30%, #24243e 60%, #0a0a1a 100%);
  z-index: 0;
}
.login-wallpaper::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -20%;
  width: 80%;
  height: 80%;
  background: radial-gradient(ellipse at center, rgba(99,102,241,0.05) 0%, transparent 70%);
  pointer-events: none;
}
.login-wallpaper::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 60%;
  height: 60%;
  background: radial-gradient(ellipse at center, rgba(139,92,246,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.login-container {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  animation: loginFadeIn 0.6s ease-out;
}

@keyframes loginFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.login-card {
  width: 380px;
  padding: 32px 36px 28px;
  background: rgba(18, 18, 30, 0.7);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  box-shadow: 0 16px 64px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.03) inset;
  text-align: center;
}

.login-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(139,92,246,0.1));
  color: var(--accent-blue);
  margin-bottom: 12px;
}
.login-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.login-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 22px;
}

.login-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(99,102,241,0.12);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  border: 2px solid rgba(99,102,241,0.2);
}

.login-form {
  text-align: left;
}

.login-field {
  position: relative;
  margin-bottom: 12px;
}
.login-field-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}
.login-input {
  width: 100%;
  padding: 11px 36px 11px 36px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(0,0,0,0.3);
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: all var(--transition);
}
.login-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.1), 0 0 0 1px rgba(99,102,241,0.3);
  background: rgba(0,0,0,0.4);
}
.login-input::placeholder {
  color: var(--text-muted);
  font-size: 0.85rem;
}
.login-field-toggle {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  padding: 6px;
  border-radius: 4px;
  color: var(--text-muted);
  transition: var(--transition);
}
.login-field-toggle:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.06);
}

.login-error {
  color: var(--accent-red);
  font-size: 0.8rem;
  margin: 4px 0 2px;
  min-height: 1.2em;
}

/* ToS checkbox */
.tos-field {
  margin-bottom: 4px;
  padding: 6px 0;
}
.tos-checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.82rem;
  color: var(--text-secondary);
  user-select: none;
}
.tos-checkbox {
  width: 16px;
  height: 16px;
  border-radius: 3px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(0,0,0,0.3);
  accent-color: var(--accent-blue);
  cursor: pointer;
  flex-shrink: 0;
  margin: 0;
}
.tos-checkbox-text {
  line-height: 1.4;
}
.tos-link {
  color: var(--accent-blue);
  text-decoration: underline;
  font-weight: 500;
}
.tos-link:hover {
  color: var(--accent-blue-hover);
}
.login-success {
  color: var(--accent-green);
  font-size: 0.82rem;
  margin: 6px 0;
  padding: 8px 10px;
  background: rgba(34,197,94,0.1);
  border-radius: 6px;
  text-align: center;
}

.login-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 11px;
  margin-top: 6px;
  border-radius: 8px;
  background: var(--accent-blue);
  color: white;
  font-size: 0.92rem;
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}
.login-btn:hover {
  background: var(--accent-blue-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(99,102,241,0.3);
}
.login-btn:active {
  transform: translateY(0);
}
.login-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}
.login-btn-ghost {
  background: rgba(255,255,255,0.05);
  color: var(--text-secondary);
}
.login-btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  color: var(--text-primary);
  box-shadow: none;
}

.login-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
}
.login-link {
  font-size: 0.82rem;
  color: var(--text-muted);
  transition: var(--transition);
  cursor: pointer;
}
.login-link:hover {
  color: var(--accent-blue);
}

/* ─── OAuth Buttons ─────────────────────────────────────────────────── */
.oauth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 14px 0 10px;
}
.oauth-divider-line {
  flex: 1;
  height: 1px;
  background: rgba(255,255,255,0.06);
}
.oauth-divider-text {
  font-size: 0.72rem;
  color: var(--text-muted);
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.oauth-buttons {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.oauth-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
}
.oauth-btn:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-1px);
  color: var(--text-primary);
  text-decoration: none;
}
.oauth-btn:active {
  transform: translateY(0);
}

.oauth-google:hover {
  border-color: rgba(66,133,244,0.5);
  box-shadow: 0 0 16px rgba(66,133,244,0.1);
}
.oauth-github:hover {
  border-color: rgba(255,255,255,0.25);
  box-shadow: 0 0 16px rgba(255,255,255,0.05);
}
.oauth-discord:hover {
  border-color: rgba(88,101,242,0.5);
  box-shadow: 0 0 16px rgba(88,101,242,0.1);
}

.oauth-btn svg {
  flex-shrink: 0;
}

.oauth-connected {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.7rem;
  font-weight: 600;
  background: rgba(34,197,94,0.12);
  color: var(--accent-green);
}
.oauth-connected svg {
  width: 12px;
  height: 12px;
}

.oauth-unlink-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--accent-red);
  background: rgba(239,68,68,0.1);
  transition: var(--transition);
  cursor: pointer;
  border: none;
}
.oauth-unlink-btn:hover {
  background: rgba(239,68,68,0.2);
}

.oauth-settings-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}
.oauth-setting-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
}
.oauth-setting-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  flex-shrink: 0;
}
.oauth-setting-info {
  flex: 1;
  min-width: 0;
}
.oauth-setting-info h4 {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 2px;
}
.oauth-setting-info p {
  font-size: 0.72rem;
  color: var(--text-muted);
}
.oauth-setting-status {
  font-size: 0.72rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ─── Profile OAuth Section ──────────────────────────────────────────── */
.profile-oauth-section {
  padding: 14px 16px;
  border-top: 1px solid var(--border-color);
}
.profile-oauth-section h3 {
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.profile-oauth-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.profile-oauth-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background: rgba(255,255,255,0.03);
  border-radius: 6px;
}
.profile-oauth-item .oauth-provider-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.profile-oauth-item .oauth-provider-name {
  flex: 1;
  font-size: 0.8rem;
  font-weight: 500;
}
.profile-oauth-link-btn {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--accent-blue);
  background: rgba(99,102,241,0.1);
  transition: var(--transition);
  cursor: pointer;
  border: none;
}
.profile-oauth-link-btn:hover {
  background: rgba(99,102,241,0.2);
}

/* Forgot password overlay card */
.login-forgot {
  position: fixed;
  inset: 0;
  z-index: 1001;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  backdrop-filter: blur(4px);
  animation: loginFadeIn 0.2s ease-out;
}
.login-forgot-card {
  width: 340px;
  padding: 28px 30px;
  background: rgba(18, 18, 30, 0.9);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  box-shadow: 0 16px 64px rgba(0,0,0,0.5);
  text-align: center;
}
.login-forgot-card h3 {
  font-size: 1.1rem;
  color: var(--text-primary);
}
.login-forgot-card .login-field {
  margin-bottom: 6px;
}

/* ═══════════════════════════════════════════════════════════════════════
   DESKTOP ENVIRONMENT
   ═══════════════════════════════════════════════════════════════════════ */

.desktop {
  position: fixed;
  inset: 0;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}

/* Wallpaper */
.desktop-wallpaper {
  position: absolute;
  inset: 0;
  background: var(--desktop-wallpaper);
  z-index: 0;
}
.desktop-drag-over {
  outline: 3px dashed rgba(99,102,241,0.6);
  outline-offset: -3px;
  transition: outline 0.2s ease;
}

.explorer-drag-over {
  background: rgba(99,102,241,0.04) !important;
  outline: 2px dashed rgba(99,102,241,0.4);
  outline-offset: -2px;
}

.wallpaper-glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 60%;
  background: radial-gradient(ellipse at center, rgba(99,102,241,0.08) 0%, transparent 70%);
  pointer-events: none;
}

/* Desktop Icons */
#desktopIconArea {
  position: absolute;
  left: 16px;
  top: 16px;
  right: 16px;
  bottom: calc(var(--taskbar-height, 44px) + 8px);
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
}
#desktopIconArea .desktop-icon {
  pointer-events: auto;
}

.desktop-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  width: 80px;
  text-align: center;
}
.desktop-icon:hover {
  background: rgba(255,255,255,0.06);
}
.desktop-icon:active {
  background: rgba(255,255,255,0.1);
}
.desktop-icon-img {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(8px);
}
.desktop-icon-label {
  font-size: 0.72rem;
  color: var(--text-primary);
  text-shadow: 0 1px 4px rgba(0,0,0,0.8);
  line-height: 1.2;
  word-break: break-word;
}

/* ─── Move/Copy Dialog ─────────────────────────────────────────────────── */
.move-copy-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.2);
}
.move-copy-menu {
  position: fixed;
  z-index: 10000;
  min-width: 180px;
  background: rgba(20, 20, 35, 0.96);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  animation: windowOpen 0.12s ease-out;
}
.move-copy-title {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 6px 10px 8px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 4px;
}
.move-copy-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.84rem;
  font-weight: 500;
  transition: var(--transition);
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
}
.move-copy-btn:hover {
  background: rgba(255,255,255,0.06);
}
.move-copy-btn.move:hover {
  background: rgba(99,102,241,0.12);
  color: var(--accent-blue);
}
.move-copy-btn.copy:hover {
  background: rgba(34,197,94,0.12);
  color: var(--accent-green);
}
.move-copy-btn.cancel:hover {
  background: rgba(239,68,68,0.12);
  color: var(--accent-red);
}

/* ═══════════════════════════════════════════════════════════════════════
   OS WINDOWS
   ═══════════════════════════════════════════════════════════════════════ */

.os-window {
  position: absolute;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  z-index: 10;
  min-width: var(--window-min-width);
  min-height: var(--window-min-height);
  animation: windowOpen 0.2s ease-out;
}

/* Resize Handles */
.window-resize-handle {
  position: absolute;
  z-index: 5;
}
.window-resize-handle.n  { top: -3px;  left: 6px;   right: 6px;   height: 6px;  cursor: n-resize; }
.window-resize-handle.s  { bottom:-3px; left: 6px;   right: 6px;   height: 6px;  cursor: s-resize; }
.window-resize-handle.w  { left: -3px;  top: 6px;    bottom: 6px;  width: 6px;   cursor: w-resize; }
.window-resize-handle.e  { right: -3px; top: 6px;    bottom: 6px;  width: 6px;   cursor: e-resize; }
.window-resize-handle.nw { top: -5px;   left: -5px;  width: 12px;  height: 12px; cursor: nw-resize; }
.window-resize-handle.ne { top: -5px;   right: -5px; width: 12px;  height: 12px; cursor: ne-resize; }
.window-resize-handle.sw { bottom:-5px; left: -5px;  width: 12px;  height: 12px; cursor: sw-resize; }
.window-resize-handle.se { bottom:-5px; right: -5px; width: 12px;  height: 12px; cursor: se-resize; }

/* Hide resize handles when maximized */
.os-window.maximized .window-resize-handle {
  display: none;
}
.os-window.minimized {
  transform: scale(0);
  opacity: 0;
  pointer-events: none;
}
.os-window.maximized {
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: calc(100% - var(--taskbar-height)) !important;
  border-radius: 0;
  border: none;
}

@keyframes windowOpen {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* Window Title Bar */
.window-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--titlebar-height);
  padding: 0 10px 0 14px;
  cursor: grab;
  flex-shrink: 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.window-titlebar:active {
  cursor: grabbing;
}
.window-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
}
.window-title svg {
  color: var(--accent-blue);
  flex-shrink: 0;
}

/* Window Controls (minimize, maximize, close) */
.window-controls {
  display: flex;
  gap: 6px;
}
.win-btn {
  width: 28px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  color: var(--text-secondary);
  transition: all 120ms ease;
}
.win-btn:hover {
  background: rgba(255,255,255,0.08);
  color: var(--text-primary);
}
.win-close:hover {
  background: var(--accent-red);
  color: white;
}

/* Window Toolbar */
.window-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(0,0,0,0.15);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  flex-shrink: 0;
}
.window-toolbar .search-container {
  width: 200px;
}
.window-toolbar .search-input {
  padding: 5px 28px 5px 30px;
  font-size: 0.8rem;
  height: 28px;
  border-radius: 14px;
  background: rgba(255,255,255,0.06);
  border-color: transparent;
}
.window-toolbar .search-input:focus {
  background: rgba(255,255,255,0.1);
  border-color: var(--accent-blue);
}
.window-toolbar .search-icon {
  width: 14px;
  height: 14px;
  left: 8px;
}
.window-toolbar .search-clear {
  right: 4px;
}
.window-toolbar .view-toggle {
  background: rgba(255,255,255,0.05);
}
.window-toolbar .view-btn {
  padding: 4px 6px;
}

/* Window Status Bar */
.window-statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 3px 12px;
  background: rgba(0,0,0,0.15);
  border-top: 1px solid rgba(255,255,255,0.05);
  font-size: 0.72rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

/* Window Body (scrollable content area) */
.window-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 12px;
  background: rgba(0,0,0,0.2);
}

/* Window body overrides for explorer-specific layout */
#window-explorer .window-body {
  padding: 0;
}
#window-explorer .file-grid {
  padding: 12px;
  margin: 0;
}
#window-explorer .empty-state.visible {
  padding: 40px 20px;
}

/* ═══════════════════════════════════════════════════════════════════════
   TASKBAR
   ═══════════════════════════════════════════════════════════════════════ */

.taskbar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--taskbar-height);
  background: rgba(12, 12, 22, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  padding: 0 8px;
  z-index: 100;
}

/* Start button */
.taskbar-start {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--accent-blue);
  transition: var(--transition);
  flex-shrink: 0;
}
.taskbar-start:hover {
  background: rgba(255,255,255,0.08);
}

.taskbar-divider {
  width: 1px;
  height: 24px;
  background: rgba(255,255,255,0.08);
  margin: 0 6px;
  flex-shrink: 0;
}

/* App buttons in taskbar */
.taskbar-apps {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
}
.taskbar-app {
  width: 40px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}
.taskbar-app:hover {
  background: rgba(255,255,255,0.08);
  color: var(--text-primary);
}
.taskbar-app.active {
  color: var(--accent-blue);
}
.taskbar-app.active::after {
  content: '';
  position: absolute;
  bottom: 3px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 2px;
  background: var(--accent-blue);
  border-radius: 1px;
}

/* Taskbar unread badge (red counter) */
.taskbar-badge {
  position: absolute;
  top: 1px;
  right: 1px;
  min-width: 16px;
  height: 15px;
  padding: 0 4px;
  background: var(--accent-red);
  color: white;
  font-size: 0.58rem;
  font-weight: 700;
  line-height: 15px;
  text-align: center;
  border-radius: 8px;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 1.5px rgba(10,10,15,0.8);
  z-index: 2;
  pointer-events: none;
  animation: none;
}
.taskbar-badge.badge-pulse {
  animation: taskbarBadgePulse 0.3s ease-out;
}
@keyframes taskbarBadgePulse {
  0% { transform: scale(0.5); opacity: 0.5; }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); opacity: 1; }
}

.taskbar-spacer {
  flex: 1;
  min-width: 0;
}

/* System Tray */
.system-tray {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 4px;
  height: 100%;
  border-left: 1px solid rgba(255,255,255,0.06);
}
.tray-icon {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: var(--transition);
}
.tray-icon:hover {
  background: rgba(255,255,255,0.08);
  color: var(--text-primary);
}
.tray-separator {
  width: 1px;
  height: 20px;
  background: rgba(255,255,255,0.08);
  margin: 0 4px;
}
.tray-clock {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.1;
  padding: 0 4px;
  cursor: default;
}
.clock-time {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-primary);
}
.clock-date {
  font-size: 0.62rem;
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════════════════
   START MENU
   ═══════════════════════════════════════════════════════════════════════ */

.start-menu {
  position: absolute;
  bottom: calc(var(--taskbar-height) + 4px);
  left: 8px;
  width: 280px;
  max-height: 480px;
  background: rgba(16, 16, 28, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: none;
  flex-direction: column;
  z-index: 200;
  overflow: hidden;
  padding: 8px;
}
.start-menu.open {
  display: flex;
  animation: windowOpen 0.15s ease-out;
}

.start-header {
  padding: 8px 10px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.start-header .logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--accent-blue);
}
.start-header .logo h1 {
  font-size: 1.1rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.start-section {
  padding: 6px 4px;
}
.start-section + .start-section {
  border-top: 1px solid rgba(255,255,255,0.04);
}

.start-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 2px 8px 4px;
}

.start-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.84rem;
  font-weight: 500;
  transition: all var(--transition);
  text-align: left;
}
.start-item:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
}
.start-item.active {
  background: rgba(99,102,241,0.1);
  color: var(--accent-blue);
}
.start-item svg {
  flex-shrink: 0;
}

.start-footer {
  margin-top: auto;
  padding: 8px 10px;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.start-footer .server-info {
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
}

/* ═══════════════════════════════════════════════════════════════════════
   RESPONSIVE & MOBILE MODE
   ═══════════════════════════════════════════════════════════════════════ */

/* ─── Tablet (768px - 1024px) ─────────────────────────────────────── */
@media (max-width: 1024px) {
  /* Login screen: tighter card */
  .login-card {
    width: 340px;
    padding: 26px 28px 24px;
  }
  .login-title { font-size: 1.3rem; }

  /* Media: stack vertically */
  .media-layout {
    flex-direction: column;
  }
  .media-sidebar {
    width: 100%;
    max-height: 200px;
    min-width: 0;
  }

  /* File grid: 3 columns */
  .file-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
  }

  /* Modals: fuller width */
  .modal { width: 90vw; }
}

/* ─── Phone (480px - 768px) ──────────────────────────────────────── */
@media (max-width: 768px) {
  /* ── Login Screen ── */
  .login-card {
    width: 100%;
    max-width: 400px;
    padding: 24px 20px 20px;
    border-radius: 12px;
    margin: 0 16px;
  }
  .login-logo { width: 46px; height: 46px; }
  .login-logo svg { width: 28px; height: 28px; }
  .login-avatar { width: 54px; height: 54px; }
  .login-avatar svg { width: 32px; height: 32px; }
  .login-title { font-size: 1.2rem; }
  .login-subtitle { font-size: 0.8rem; margin-bottom: 16px; }
  .login-input { padding: 12px 36px 12px 36px; font-size: 0.95rem; }
  .login-btn { padding: 13px; font-size: 0.95rem; }
  .login-field-toggle { padding: 10px; }
  .login-forgot-card {
    width: 90%;
    max-width: 340px;
    padding: 24px 20px;
    margin: 0 16px;
  }

  /* ── Desktop ── */
  .desktop-icons { display: none; }

  /* Windows: always fullscreen on mobile */
  .os-window {
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: calc(100% - var(--taskbar-height)) !important;
    border-radius: 0;
    border: none;
  }
  .os-window.maximized {
    border-radius: 0;
    border: none;
  }
  /* Hide window resize handles on mobile */
  .window-resize-handle { display: none !important; }
  /* Larger titlebar for touch */
  .window-titlebar {
    height: 44px;
    padding: 0 8px 0 12px;
  }
  .window-title { font-size: 0.9rem; }
  .win-btn {
    width: 36px;
    height: 30px;
  }
  /* Bigger toolbar */
  .window-toolbar {
    padding: 8px 10px;
    flex-wrap: wrap;
    gap: 6px;
  }
  .window-toolbar .search-container {
    width: 100%;
    order: 3;
  }
  .window-toolbar .search-input {
    height: 36px;
    font-size: 0.9rem;
    padding: 8px 32px 8px 36px;
  }
  .window-toolbar .search-icon {
    width: 16px;
    height: 16px;
    left: 10px;
  }
  .window-toolbar .view-btn {
    padding: 8px 10px;
  }
  .breadcrumbs { font-size: 0.9rem; }
  .breadcrumbs a, .breadcrumbs span { padding: 6px 8px; }

  /* ── Taskbar (compact) ── */
  .taskbar-apps .taskbar-app {
    width: 38px;
    height: 40px;
  }
  .taskbar-start {
    width: 40px;
    height: 40px;
  }
  .tray-clock .clock-date { display: none; }
  .tray-icon {
    width: 34px;
    height: 34px;
  }
  .system-tray { gap: 2px; padding: 0 2px; }
  .user-badge { padding: 2px 4px; height: 34px; }
  .user-name { max-width: 60px; font-size: 0.75rem; }

  /* ── Start Menu (fullscreen) ── */
  .start-menu {
    left: 0;
    right: 0;
    bottom: var(--taskbar-height);
    width: 100%;
    max-height: none;
    height: calc(100% - var(--taskbar-height));
    border-radius: 0;
    border: none;
    padding: 12px;
  }
  .start-item {
    padding: 12px 14px;
    font-size: 0.9rem;
  }
  .start-header .logo h1 { font-size: 1.2rem; }

  /* ── User Menu (bottom sheet) ── */
  .user-menu {
    left: 0;
    right: 0;
    bottom: var(--taskbar-height);
    width: 100%;
    border-radius: 16px 16px 0 0;
    border: none;
    border-top: 1px solid rgba(255,255,255,0.08);
  }
  .user-menu-item {
    padding: 12px 14px;
    font-size: 0.9rem;
  }

  /* ── File Grid ── */
  .file-grid {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 8px;
    padding: 8px;
  }
  .file-card {
    padding: 12px 8px 10px;
  }
  .file-card .file-name { font-size: 0.8rem; }
  .file-card .file-size { font-size: 0.7rem; }
  .file-card .file-icon {
    width: 40px;
    height: 40px;
  }
  .file-card .file-icon svg { width: 24px; height: 24px; }
  .file-card .file-actions { opacity: 1; top: 4px; right: 4px; }
  .file-card .file-actions .action-btn {
    padding: 8px;
    background: rgba(0,0,0,0.6);
  }
  .file-grid.list-view .file-card {
    padding: 10px 12px;
  }
  .file-grid.list-view .file-name { font-size: 0.85rem; }
  .file-grid.list-view .file-size { min-width: 60px; font-size: 0.75rem; }
  .file-grid.list-view .file-date { display: none; }
  .file-grid.list-view .action-btn { opacity: 1; }

  /* ── Media Player ── */
  .video-player { max-height: 40vh; }
  .audio-player-wrapper { padding: 20px; }
  .audio-art { width: 80px; height: 80px; }
  .audio-art svg { width: 40px; height: 40px; }
  .player-info { padding: 10px 14px; }
  .player-title { font-size: 0.9rem; }
  .playlist-item { padding: 12px 14px; }
  .playlist-item .pl-name { font-size: 0.85rem; }
  .media-filter-btn { padding: 8px 14px; font-size: 0.85rem; }

  /* ── Modals ── */
  .modal {
    width: 100%;
    max-width: 100%;
    max-height: 90vh;
    border-radius: 16px 16px 0 0;
    margin: 0;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
  }
  .modal-sm { max-width: 100%; }
  .modal-overlay {
    align-items: flex-end;
  }
  .modal-header {
    padding: 16px 16px 12px;
  }
  .modal-body { padding: 16px; }
  .form-input { font-size: 0.95rem; padding: 12px 14px; }

  /* ── Drop Zone ── */
  .drop-zone { padding: 24px 16px; }
  .drop-zone h3 { font-size: 0.95rem; }

  /* ── Context Menu (bottom sheet style) ── */
  .context-menu.open {
    left: 0 !important;
    right: 0;
    bottom: 0;
    top: auto !important;
    width: 100%;
    border-radius: 16px 16px 0 0;
    max-height: 60vh;
    overflow-y: auto;
    padding: 8px 4px;
    background: rgba(16, 16, 28, 0.98);
  }
  .context-menu button {
    padding: 14px 16px;
    font-size: 0.9rem;
  }
  .context-submenu {
    position: fixed !important;
    left: 0 !important;
    right: 0;
    bottom: 0;
    top: auto !important;
    border-radius: 16px 16px 0 0;
    max-height: 60vh;
  }

  /* ── Profile Page ── */
  .profile-cover {
    flex-direction: column;
    text-align: center;
    padding: 20px 16px 16px;
    gap: 10px;
  }
  .profile-avatar-wrap {
    width: 64px;
    height: 64px;
  }
  .profile-avatar-wrap svg { width: 32px; height: 32px; }
  .profile-avatar-img { width: 64px; height: 64px; }
  .profile-stats {
    grid-template-columns: repeat(2, 1fr);
    padding: 12px 16px;
    gap: 8px;
  }
  .profile-stat-value { font-size: 0.95rem; }
  .profile-stat-label { font-size: 0.65rem; }
  .profile-bio-section { padding: 12px 16px; }
  .profile-section { padding: 12px 16px; }
  .profile-section h3 { font-size: 0.85rem; }

  /* ── Preview ── */
  .preview-body img { max-height: 30vh; }
}

/* ─── Small Phone (< 480px) ──────────────────────────────────────── */
@media (max-width: 480px) {
  .login-card {
    padding: 20px 16px 18px;
    margin: 0 8px;
    border-radius: 10px;
  }
  .login-logo { width: 40px; height: 40px; }
  .login-logo svg { width: 24px; height: 24px; }
  .login-title { font-size: 1.1rem; }
  .login-input { padding: 11px 32px 11px 32px; font-size: 0.9rem; }
  .login-btn { padding: 12px; font-size: 0.9rem; }
  .login-footer { flex-direction: column; gap: 8px; align-items: center; }

  /* Smaller file grid: 2 columns */
  .file-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
    padding: 6px;
  }
  .file-card { padding: 10px 6px 8px; }
  .file-card .file-icon { width: 36px; height: 36px; }
  .file-card .file-icon svg { width: 20px; height: 20px; }

  /* Compact taskbar */
  .taskbar { padding: 0 4px; }
  .taskbar-start { width: 36px; height: 36px; }
  .taskbar-apps .taskbar-app { width: 34px; height: 36px; }
  .tray-icon { width: 30px; height: 30px; }
  .tray-separator { margin: 0 2px; }
  .clock-time { font-size: 0.7rem; }
  .system-tray .taskbar-divider { margin: 0 4px; }

  /* Media sidebar */
  .media-sidebar { max-height: 150px; }
  .media-sidebar-header { padding: 10px 12px; }
  .media-filter { padding: 6px 8px; }

  /* Start menu compact */
  .start-menu { padding: 8px; }
  .start-item { padding: 10px 12px; font-size: 0.85rem; }
  .start-header { padding: 4px 8px 10px; }

  /* User menu compact */
  .user-menu { padding-bottom: 12px; }
  .user-menu-header { padding: 12px 14px 8px; }

  /* Windows title */
  .window-titlebar { height: 40px; }
  .window-title { font-size: 0.85rem; }
  .win-btn { width: 32px; height: 28px; }

  /* Toast on mobile */
  .toast-container { bottom: calc(var(--taskbar-height) + 8px); right: 8px; left: 8px; }
  .toast { min-width: 0; font-size: 0.82rem; padding: 10px 14px; }

  /* Empty state */
  .empty-state.visible { padding: 30px 16px; }
  .empty-state h3 { font-size: 1rem; }
  .empty-state p { font-size: 0.82rem; }
}

a { color: var(--accent-blue); text-decoration: none; }
a:hover { color: var(--accent-blue-hover); }

a { color: var(--accent-blue); text-decoration: none; }
a:hover { color: var(--accent-blue-hover); }

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
  color: inherit;
  font-size: inherit;
}

input { font-family: inherit; }

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ─── Sidebar ──────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), width var(--transition);
  z-index: 100;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--border-color);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--accent-blue);
}

.logo h1 {
  font-size: 1.3rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-toggle {
  padding: 6px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: var(--transition);
}
.sidebar-toggle:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.sidebar-section {
  padding: 12px 12px 4px;
}

.sidebar-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 4px 8px;
  margin-bottom: 4px;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  transition: all var(--transition);
  text-align: left;
}
.nav-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.nav-btn.active {
  background: var(--bg-active);
  color: var(--accent-blue);
}
.nav-btn svg {
  flex-shrink: 0;
}

.sidebar-footer {
  margin-top: auto;
  padding: 12px;
  border-top: 1px solid var(--border-color);
}

.server-info {
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}

.info-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  padding: 2px 0;
}
.info-label { color: var(--text-muted); }
.info-value { color: var(--text-primary); font-weight: 500; }

/* ─── Main Content ─────────────────────────────────────────────────────── */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  position: relative;
}

/* ─── Top Bar ──────────────────────────────────────────────────────────── */
.top-bar {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.mobile-menu-btn {
  display: none;
  padding: 6px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}
.mobile-menu-btn:hover { color: var(--text-primary); background: var(--bg-hover); }

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  flex: 1;
  min-width: 0;
  overflow: hidden;
}
.breadcrumbs a, .breadcrumbs span {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  font-size: 0.88rem;
  white-space: nowrap;
  transition: var(--transition);
  padding: 4px 6px;
  border-radius: var(--radius-sm);
}
.breadcrumbs a:hover {
  color: var(--accent-blue);
  background: var(--bg-hover);
}
.breadcrumbs .separator {
  color: var(--text-muted);
  font-size: 0.75rem;
  padding: 0 2px;
}
.breadcrumbs .current {
  color: var(--text-primary);
  font-weight: 600;
}

.search-container {
  position: relative;
  flex-shrink: 0;
  width: 240px;
}
.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}
.search-input {
  width: 100%;
  padding: 8px 32px 8px 34px;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: 0.85rem;
  transition: var(--transition);
  outline: none;
}
.search-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}
.search-input::placeholder {
  color: var(--text-muted);
}
.search-clear {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  display: none;
  padding: 4px;
  border-radius: 50%;
  color: var(--text-muted);
}
.search-clear:hover { color: var(--text-primary); background: var(--bg-hover); }
.search-input:not(:placeholder-shown) ~ .search-clear { display: block; }

.view-toggle {
  display: flex;
  gap: 2px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  padding: 2px;
  flex-shrink: 0;
}
.view-btn {
  padding: 6px 8px;
  border-radius: 4px;
  color: var(--text-muted);
  transition: var(--transition);
}
.view-btn:hover { color: var(--text-primary); }
.view-btn.active {
  background: var(--bg-active);
  color: var(--accent-blue);
}

/* ─── View Panels ──────────────────────────────────────────────────────── */
.view-panel {
  display: none;
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  position: relative;
}
.view-panel.active {
  display: flex;
  flex-direction: column;
}

/* ─── File Grid ────────────────────────────────────────────────────────── */
.file-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

/* List View */
.file-grid.list-view {
  grid-template-columns: 1fr;
  gap: 2px;
}

.file-grid.list-view .file-card {
  flex-direction: row;
  align-items: center;
  padding: 8px 14px;
  gap: 12px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
}
.file-grid.list-view .file-card:hover {
  background: var(--bg-hover);
}
.file-grid.list-view .file-icon {
  width: 28px;
  height: 28px;
}
.file-grid.list-view .file-icon svg {
  width: 22px;
  height: 22px;
}
.file-grid.list-view .file-name {
  flex: 1;
  font-size: 0.85rem;
}
.file-grid.list-view .file-size {
  display: block;
  color: var(--text-muted);
  font-size: 0.8rem;
  min-width: 80px;
  text-align: right;
}
.file-grid.list-view .file-date {
  display: block;
  color: var(--text-muted);
  font-size: 0.78rem;
  min-width: 120px;
  text-align: right;
}
.file-grid.list-view .action-btn {
  opacity: 0;
  transition: var(--transition);
}
.file-grid.list-view .file-card:hover .action-btn {
  opacity: 1;
}

/* File Card */
.file-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 16px 12px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.file-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  opacity: 0;
  transition: var(--transition);
  background: linear-gradient(135deg, rgba(99,102,241,0.08), transparent);
}
.file-card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.file-card:hover::before {
  opacity: 1;
}
.file-card:active {
  transform: translateY(0);
}

.file-card .file-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  position: relative;
  z-index: 1;
}

.file-card .file-name {
  font-size: 0.82rem;
  text-align: center;
  word-break: break-word;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  position: relative;
  z-index: 1;
  width: 100%;
}

.file-card .file-size {
  font-size: 0.75rem;
  color: var(--text-muted);
  position: relative;
  z-index: 1;
}

/* File type colors */
.file-icon-folder { color: var(--accent-blue); background: rgba(99,102,241,0.12); }
.file-icon-video { color: var(--accent-purple); background: rgba(139,92,246,0.12); }
.file-icon-audio { color: var(--accent-green); background: rgba(34,197,94,0.12); }
.file-icon-image { color: var(--accent-yellow); background: rgba(234,179,8,0.12); }
.file-icon-text { color: var(--accent-cyan); background: rgba(6,182,212,0.12); }
.file-icon-archive { color: var(--accent-orange); background: rgba(249,115,22,0.12); }
.file-icon-code { color: var(--accent-blue); background: rgba(99,102,241,0.12); }
.file-icon-default { color: var(--text-secondary); background: rgba(152,152,176,0.12); }

/* Action button on hover */
.file-card .file-actions {
  position: absolute;
  top: 6px;
  right: 6px;
  opacity: 0;
  transition: var(--transition);
  z-index: 2;
  display: flex;
  gap: 2px;
}
.file-card:hover .file-actions { opacity: 1; }

.action-btn {
  padding: 5px;
  border-radius: 4px;
  color: var(--text-muted);
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
}
.action-btn:hover {
  background: rgba(0,0,0,0.7);
  color: var(--text-primary);
}
.action-btn.delete:hover {
  color: var(--accent-red);
}

/* ─── Empty State ──────────────────────────────────────────────────────── */
.empty-state {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 60px 20px;
  color: var(--text-muted);
  text-align: center;
  flex: 1;
}
.empty-state.visible { display: flex; }
.empty-state svg { opacity: 0.3; }
.empty-state h3 { font-size: 1.2rem; color: var(--text-secondary); }
.empty-state p { font-size: 0.9rem; }

/* ─── Loading ──────────────────────────────────────────────────────────── */
.loading {
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px;
  flex: 1;
}
.loading.visible { display: flex; }

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Buttons ──────────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--accent-blue);
  color: white;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.88rem;
  transition: var(--transition);
  border: none;
}
.btn-primary:hover {
  background: var(--accent-blue-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99,102,241,0.3);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  background: rgba(255,255,255,0.06);
  color: var(--text-secondary);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  font-family: inherit;
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.15);
}

/* ─── Media View ───────────────────────────────────────────────────────── */
.media-layout {
  display: flex;
  gap: 16px;
  height: 100%;
  flex: 1;
  min-height: 0;
}

.media-player-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  overflow: hidden;
  min-width: 0;
}

.player-placeholder {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-muted);
  padding: 40px;
}
.player-placeholder svg { opacity: 0.2; }
.player-placeholder h3 { color: var(--text-secondary); }

.player-wrapper, .audio-player-wrapper {
  display: none;
  flex-direction: column;
  flex: 1;
}
.player-wrapper.visible, .audio-player-wrapper.visible { display: flex; }

.video-player {
  width: 100%;
  max-height: 60vh;
  background: #000;
  cursor: pointer;
}

.audio-player-wrapper {
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 40px;
}
.audio-art {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-green);
  animation: none;
}
.audio-art.playing {
  animation: spin 4s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.audio-player {
  width: 100%;
  max-width: 400px;
}

.player-info {
  padding: 12px 16px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}
.player-title {
  font-size: 0.95rem;
  font-weight: 600;
}
.player-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.media-sidebar {
  width: 320px;
  min-width: 280px;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.media-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
}
.media-sidebar-header h3 { font-size: 0.95rem; }
.media-count { font-size: 0.78rem; color: var(--text-muted); }

.media-filter {
  display: flex;
  gap: 4px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
}
.media-filter-btn {
  padding: 5px 12px;
  border-radius: 14px;
  font-size: 0.8rem;
  color: var(--text-muted);
  background: transparent;
  transition: var(--transition);
  border: 1px solid transparent;
}
.media-filter-btn:hover { color: var(--text-primary); }
.media-filter-btn.active {
  background: var(--bg-active);
  color: var(--accent-blue);
  border-color: rgba(99,102,241,0.2);
}

.playlist {
  flex: 1;
  overflow-y: auto;
}

.playlist-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  cursor: pointer;
  transition: var(--transition);
  border-left: 3px solid transparent;
}
.playlist-item:hover {
  background: var(--bg-hover);
}
.playlist-item.active {
  background: var(--bg-active);
  border-left-color: var(--accent-blue);
}
.playlist-item .pl-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  flex-shrink: 0;
}
.playlist-item .pl-info {
  flex: 1;
  min-width: 0;
}
.playlist-item .pl-name {
  font-size: 0.82rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.playlist-item .pl-meta {
  font-size: 0.72rem;
  color: var(--text-muted);
}
.playlist-item .pl-duration {
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

/* ─── Preview Panel ────────────────────────────────────────────────────── */
.auth-field {
  margin-bottom: 14px;
}
.auth-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
}
.auth-error {
  color: var(--accent-red);
  font-size: 0.82rem;
  margin-top: 6px;
  min-height: 1.2em;
}
.auth-success {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-green);
  font-size: 0.82rem;
  margin-top: 8px;
  padding: 8px 10px;
  background: rgba(34,197,94,0.1);
  border-radius: var(--radius-sm);
}
.auth-switch {
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 14px;
}
.auth-switch a {
  color: var(--accent-blue);
  cursor: pointer;
}
.auth-switch a:hover {
  text-decoration: underline;
}

/* ─── User Badge (system tray) ─────────────────────────────────────────── */
.user-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  height: 30px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}
.user-badge:hover {
  background: rgba(255,255,255,0.08);
}
.user-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(99,102,241,0.15);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
}
.user-name {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-primary);
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.login-btn {
  color: var(--accent-blue) !important;
}

/* ─── User Menu (dropdown from tray badge) ─────────────────────────────── */
.user-menu {
  position: absolute;
  bottom: calc(var(--taskbar-height) + 4px);
  right: 8px;
  width: 240px;
  background: rgba(16, 16, 28, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  overflow: hidden;
  animation: windowOpen 0.12s ease-out;
}
.user-menu-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 14px 10px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.user-menu-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(99,102,241,0.15);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
}
.user-menu-info {
  flex: 1;
  min-width: 0;
}
.user-menu-name {
  font-size: 0.88rem;
  font-weight: 600;
}
.user-menu-role {
  font-size: 0.72rem;
  color: var(--text-muted);
}
.user-menu-body {
  padding: 6px;
}
.user-menu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  color: var(--text-secondary);
  transition: all 120ms ease;
}
.user-menu-item:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
}

/* ─── Modals ───────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition);
}
.modal-overlay.hidden { display: none; }

.modal {
  width: 480px;
  max-width: 90vw;
  max-height: 80vh;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.modal-sm { width: 360px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}
.modal-header h2 { font-size: 1.1rem; font-weight: 600; }

.modal-close {
  padding: 4px;
  border-radius: 4px;
  color: var(--text-muted);
}
.modal-close:hover { color: var(--text-primary); background: var(--bg-hover); }

.modal-body {
  padding: 20px;
}

/* ─── Drop Zone ────────────────────────────────────────────────────────── */
.drop-zone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
}
.drop-zone:hover {
  border-color: var(--accent-blue);
  background: rgba(99,102,241,0.04);
}
.drop-zone.dragover {
  border-color: var(--accent-blue);
  background: rgba(99,102,241,0.1);
}
.drop-zone svg { color: var(--text-muted); margin-bottom: 8px; }
.drop-zone h3 { font-size: 1rem; margin-bottom: 4px; }
.drop-zone p { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 12px; }

.file-input {
  display: none;
}

.upload-progress {
  margin-top: 16px;
}
.progress-bar {
  height: 4px;
  background: var(--border-color);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 8px;
}
.progress-fill {
  height: 100%;
  background: var(--accent-blue);
  border-radius: 2px;
  width: 0%;
  transition: width 0.3s;
}
.progress-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
}
.uploaded-files {
  margin-top: 12px;
  font-size: 0.82rem;
}
.uploaded-files .file-item {
  padding: 4px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.uploaded-files .file-item.success { color: var(--accent-green); }
.uploaded-files .file-item.error { color: var(--accent-red); }

.form-input {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}
.form-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}

/* ─── Context Menu ─────────────────────────────────────────────────────── */
.context-menu {
  position: fixed;
  background: rgba(16, 16, 28, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  z-index: 300;
  min-width: 180px;
  padding: 4px;
  display: none;
  animation: windowOpen 0.12s ease-out;
}
.context-menu.open { display: block; }
.context-menu button {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 7px 12px;
  border-radius: 4px;
  font-size: 0.84rem;
  color: var(--text-secondary);
  transition: all 120ms ease;
  text-align: left;
}
.context-menu button:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
}
.context-menu button.danger { color: var(--accent-red); }
.context-menu button.danger:hover { background: rgba(239,68,68,0.1); }
.context-menu button.has-submenu::after {
  content: '›';
  margin-left: auto;
  font-size: 1.1rem;
  color: var(--text-muted);
}
.context-separator {
  height: 1px;
  background: rgba(255,255,255,0.06);
  margin: 4px 8px;
}
.context-submenu {
  animation: windowOpen 0.1s ease-out;
}

/* ─── Window Snap Preview ──────────────────────────────────────────── */
.snap-preview {
  position: fixed;
  background: rgba(99, 102, 241, 0.07);
  border: 2px solid rgba(99, 102, 241, 0.25);
  border-radius: 4px;
  z-index: 9999;
  pointer-events: none;
  animation: snapPreviewIn 0.12s ease-out;
}
@keyframes snapPreviewIn {
  from { opacity: 0; transform: scale(0.96); }
  to   { opacity: 1; transform: scale(1); }
}

/* ─── Notifications ─────────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  color: var(--text-primary);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: slideIn 0.3s ease-out;
  min-width: 240px;
}
.toast.success { border-left: 3px solid var(--accent-green); }
.toast.error { border-left: 3px solid var(--accent-red); }
.toast.info { border-left: 3px solid var(--accent-blue); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ═══════════════════════════════════════════════════════════════════════
   FILE VERSIONS
   ═══════════════════════════════════════════════════════════════════════ */

.version-badge {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: 0.6rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 8px;
  background: rgba(99,102,241,0.15);
  color: var(--accent-blue);
  margin-left: 4px;
  vertical-align: middle;
  line-height: 1.4;
}
.list-view .version-badge {
  font-size: 0.55rem;
  padding: 0 5px;
}

.download-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.58rem;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 8px;
  background: rgba(34,197,94,0.12);
  color: var(--accent-green);
  margin-left: 4px;
  vertical-align: middle;
  line-height: 1.4;
}
.list-view .download-badge {
  font-size: 0.52rem;
  padding: 0 5px;
}
.download-badge svg {
  vertical-align: middle;
}

/* Versions Panel */
.versions-panel {
  position: fixed;
  z-index: 400;
  width: 500px;
  max-width: calc(100vw - 40px);
  max-height: calc(100vh - 40px);
  background: rgba(18,18,30,0.96);
  backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
  display: flex;
  flex-direction: column;
  animation: loginFadeIn 0.15s ease-out;
}

.versions-panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.versions-panel-header h3 {
  flex: 1;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.versions-count {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  white-space: nowrap;
}
.versions-close {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  border: none;
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: var(--transition);
}
.versions-close:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
}

.versions-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.versions-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  gap: 8px;
  text-align: center;
  color: var(--text-muted);
}
.versions-empty h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.versions-empty p {
  font-size: 0.78rem;
}

.versions-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.version-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.version-item:hover {
  background: rgba(255,255,255,0.03);
}

.version-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(99,102,241,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-blue);
}

.version-info {
  flex: 1;
  min-width: 0;
}
.version-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}
.version-meta {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 2px;
}
.version-comment {
  font-size: 0.72rem;
  color: var(--text-secondary);
  margin-top: 2px;
  font-style: italic;
}

.version-actions {
  flex-shrink: 0;
}
.btn-sm {
  padding: 5px 12px;
  font-size: 0.72rem;
}

.context-menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 399;
  background: rgba(0,0,0,0.3);
}

/* Version compare bar */
.versions-compare-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  background: rgba(99,102,241,0.04);
}

.version-check-wrap {
  display: flex;
  align-items: center;
  padding-right: 4px;
}
.version-check {
  width: 15px;
  height: 15px;
  accent-color: var(--accent-blue);
  cursor: pointer;
}

/* Compare Panel */
.compare-panel {
  position: fixed;
  z-index: 400;
  width: 900px;
  max-width: calc(100vw - 40px);
  max-height: calc(100vh - 40px);
  background: rgba(14,14,24,0.98);
  backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  animation: loginFadeIn 0.15s ease-out;
}

.compare-panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.compare-panel-header h3 {
  flex: 1;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.compare-panel-body {
  flex: 1;
  overflow: auto;
  padding: 0;
}

/* Diff Table */
.diff-table {
  width: 100%;
  border-collapse: collapse;
  font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
  font-size: 0.75rem;
  line-height: 1.6;
}

.diff-header {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 8px 12px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  text-align: left;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.diff-header-a {
  background: rgba(34,197,94,0.08);
  color: var(--accent-green);
}
.diff-header-b {
  background: rgba(99,102,241,0.08);
  color: var(--accent-blue);
}

.diff-lineno {
  width: 36px;
  min-width: 36px;
  padding: 0 8px;
  text-align: right;
  color: rgba(255,255,255,0.2);
  user-select: none;
  font-size: 0.7rem;
}

.diff-content {
  padding: 0 8px;
  white-space: pre;
  color: var(--text-primary);
}

.diff-line {
  background: transparent;
}
.diff-line:hover {
  background: rgba(255,255,255,0.02);
}

div.diff-changed {
  background: rgba(255,255,255,0.02);
}
tr.diff-changed {
  background: rgba(255,255,255,0.02);
}

.diff-changed .diff-content {
  background: rgba(255,183,77,0.08);
}

/* Metadata comparison */
.diff-meta td {
  padding: 8px 14px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.82rem;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  color: var(--text-secondary);
}
.diff-meta th {
  padding: 8px 14px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  text-align: left;
}
.diff-meta td:first-child {
  font-weight: 600;
  color: var(--text-primary);
}
.diff-meta td:last-child {
  text-align: center;
  font-size: 0.9rem;
}
.diff-meta .diff-changed td {
  background: rgba(255,183,77,0.06);
}

/* ─── Responsive ───────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .media-layout {
    flex-direction: column;
  }
  .media-sidebar {
    width: 100%;
    max-height: 200px;
  }
}

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    transform: translateX(-100%);
    z-index: 150;
  }
  .sidebar.open {
    transform: translateX(0);
  }

  .mobile-menu-btn { display: block; }

  .top-bar {
    padding: 0 12px;
    gap: 8px;
    flex-wrap: wrap;
    height: auto;
    min-height: var(--topbar-height);
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .search-container {
    width: 100%;
    order: 3;
  }

  .breadcrumbs {
    flex: 1;
    min-width: 0;
  }

  .view-panel {
    padding: 12px;
  }

  .file-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 8px;
  }

  .preview-panel {
    left: 0;
  }

  .modal {
    max-width: 95vw;
  }
}

/* ─── Search Results ──────────────────────────────────────────────────── */
.search-results-header {
  padding: 12px 16px;
  font-size: 0.9rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 8px;
}

/* ─── Video Thumbnails ────────────────────────────────────────────────── */
.video-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.file-card .file-icon {
  overflow: hidden;
}

.file-card.video-has-thumb {
  padding: 0;
  overflow: hidden;
}
.file-card.video-has-thumb .file-icon {
  width: 100%;
  height: 120px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: #000;
}
.file-card.video-has-thumb .file-name {
  padding: 6px 10px 2px;
}
.file-card.video-has-thumb .file-size {
  padding: 0 10px 8px;
}
.file-card.video-has-thumb .file-actions {
  top: auto;
  bottom: 40px;
  right: 6px;
}

.file-grid.list-view .file-card.video-has-thumb {
  padding: 0;
}
.file-grid.list-view .file-card.video-has-thumb .file-icon {
  width: 60px;
  height: 34px;
  border-radius: 4px;
}
.file-grid.list-view .file-card.video-has-thumb .file-name {
  padding: 6px 0;
}
.file-grid.list-view .file-card.video-has-thumb .video-thumb {
  width: 60px;
  height: 34px;
}

/* Thumbnail badge */
.video-thumb-badge {
  position: relative;
}
.video-thumb-badge::after {
  content: '▶';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.5rem;
  color: white;
  text-shadow: 0 1px 4px rgba(0,0,0,0.8);
  opacity: 0.8;
  pointer-events: none;
}

/* ─── Playlist thumbnails ─────────────────────────────────────────────── */
.playlist-item .pl-icon.video-has-thumb {
  width: 48px;
  height: 36px;
  border-radius: 4px;
  background: #000;
  overflow: hidden;
}
.playlist-item .pl-icon.video-has-thumb .video-thumb {
  width: 48px;
  height: 36px;
}

/* ─── Profile Page ─────────────────────────────────────────────────────── */
#window-profile .window-body {
  padding: 0;
  background: rgba(0,0,0,0.25);
}
.profile-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}
.profile-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 100%;
  color: var(--text-muted);
  padding: 40px;
  text-align: center;
}
.profile-empty svg { opacity: 0.3; }
.profile-empty h3 { color: var(--text-secondary); font-size: 1.05rem; }
.profile-empty a { color: var(--accent-blue); cursor: pointer; }

/* Cover area with avatar */
.profile-cover {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 28px 24px 20px;
  background: linear-gradient(135deg, rgba(99,102,241,0.08) 0%, rgba(139,92,246,0.04) 100%);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.profile-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(99,102,241,0.15);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  cursor: pointer;
  overflow: hidden;
  border: 2px solid rgba(255,255,255,0.1);
  transition: var(--transition);
}
.profile-avatar:hover {
  border-color: var(--accent-blue);
}
.profile-avatar:hover .profile-avatar-overlay {
  opacity: 1;
}
.profile-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.profile-avatar-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  opacity: 0;
  transition: var(--transition);
}
.profile-cover-info {
  min-width: 0;
}
.profile-display-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}
.profile-username {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 1px;
}
.profile-role-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
  margin-top: 6px;
  color: var(--role-color, var(--accent-blue));
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.2);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.03);
}

/* Stats row */
.profile-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.profile-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 14px 8px;
  background: rgba(0,0,0,0.1);
}
.profile-stat-value {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
}
.profile-stat-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 2px;
}

/* Storage Quota Bar */
.profile-quota {
  padding: 14px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.quota-bar-container {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.quota-bar-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.quota-bar-limit {
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 600;
}

.quota-bar-track {
  height: 10px;
  background: rgba(255,255,255,0.06);
  border-radius: 5px;
  overflow: hidden;
}

.quota-bar-fill {
  height: 100%;
  border-radius: 5px;
  transition: width 0.6s ease;
  min-width: 4px;
}

.quota-bar-fill-normal {
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
}

.quota-bar-fill-warning {
  background: linear-gradient(90deg, var(--accent-yellow), var(--accent-orange));
}

.quota-bar-fill-danger {
  background: linear-gradient(90deg, var(--accent-orange), var(--accent-red));
}

.quota-bar-fill-unlimited {
  background: rgba(255,255,255,0.08);
}

/* Profile sections */
.profile-section {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.profile-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.profile-section-header h3 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.profile-bio {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text-secondary);
  white-space: pre-wrap;
}
.profile-edit-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.profile-edit-btn:hover {
  background: rgba(255,255,255,0.06);
  color: var(--accent-blue);
}

/* Edit form */
.profile-edit-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.profile-edit-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.profile-edit-field label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.profile-textarea {
  resize: vertical;
  min-height: 70px;
  font-family: inherit;
}
.profile-edit-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}
.profile-cancel-btn {
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.profile-cancel-btn:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
}

/* Email verification in profile */
.profile-verification {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
}
.profile-verification.verified {
  color: var(--accent-green);
  background: rgba(34,197,94,0.08);
}
.profile-verification.unverified {
  color: var(--accent-yellow);
  background: rgba(234,179,8,0.08);
}
.profile-verify-btn {
  margin-left: auto;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  color: var(--accent-blue);
  transition: var(--transition);
}
.profile-verify-btn:hover {
  background: rgba(99,102,241,0.15);
}

/* ─── 2FA Setup ───────────────────────────────────────────────────────── */
.profile-2fa-setup {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 16px;
}

.profile-recovery-codes {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 12px;
}

.profile-recovery-codes code {
  display: block;
  user-select: all;
  cursor: pointer;
}

.profile-recovery-codes code:hover {
  background: rgba(255,255,255,0.08) !important;
}

/* ─── 2FA Login Challenge ─────────────────────────────────────────────── */
#login2faCode::placeholder {
  color: rgba(255,255,255,0.15);
  letter-spacing: 2px;
  font-size: 0.9rem;
}

#login2faChallenge {
  animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── Share Dialog ────────────────────────────────────────────────────── */
.share-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.share-section {
  display: flex;
  flex-direction: column;
}
.share-results {
  max-height: 160px;
  overflow-y: auto;
  margin-top: 4px;
}
.share-user-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s;
}
.share-user-row:hover {
  background: rgba(255,255,255,0.05);
}
.share-user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-blue);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  flex-shrink: 0;
}
.share-user-name {
  font-size: 0.85rem;
  font-weight: 500;
}
.share-user-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
}
.share-add-btn {
  margin-left: auto;
  padding: 4px 12px;
  border: none;
  border-radius: 4px;
  background: var(--accent-blue);
  color: white;
  font-size: 0.75rem;
  cursor: pointer;
}
.share-remove-btn {
  margin-left: auto;
  padding: 4px 8px;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: var(--accent-red);
  font-size: 0.85rem;
  cursor: pointer;
  opacity: 0.7;
}
.share-remove-btn:hover {
  opacity: 1;
}
.share-no-results {
  padding: 12px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
}
.share-perm-options {
  display: flex;
  gap: 16px;
}
.share-perm-option {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
}
.share-perm-option input[type="radio"] {
  accent-color: var(--accent-blue);
}
.share-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  background: rgba(255,255,255,0.03);
  color: var(--text-secondary);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.15s;
}
.share-link-btn:hover {
  background: rgba(255,255,255,0.06);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

/* ─── Embed Section in Share Dialog ──────────────────────────────────── */
.share-embed-code-wrap {
  display: flex;
  gap: 6px;
  align-items: flex-start;
}

.share-embed-code {
  flex: 1;
  min-height: 56px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(0,0,0,0.3);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.4;
  resize: none;
  outline: none;
  white-space: pre-wrap;
  word-break: break-all;
}
.share-embed-code:focus {
  border-color: var(--accent-blue);
}

.share-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: var(--text-secondary);
  font-size: 0.75rem;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
  transition: var(--transition);
  flex-shrink: 0;
}
.share-copy-btn:hover {
  background: rgba(99,102,241,0.12);
  color: var(--accent-blue);
  border-color: var(--accent-blue);
}

.share-embed-preview-wrap {
  margin-top: 8px;
  padding: 8px;
  border-radius: var(--radius-sm);
  background: rgba(0,0,0,0.2);
  border: 1px solid rgba(255,255,255,0.05);
}

.share-embed-preview {
  width: 100%;
  overflow: hidden;
  border-radius: 4px;
}
.share-embed-preview iframe {
  width: 100%;
  height: 200px;
  border: none;
  border-radius: 4px;
}

/* ─── Notification Panel ─────────────────────────────────────────────── */
.notif-panel {
  position: fixed;
  bottom: calc(var(--taskbar-height) + 4px);
  right: 10px;
  width: 380px;
  max-height: 480px;
  background: rgba(20,20,28,0.98);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(12px);
  animation: fadeInUp 0.2s ease;
}
.notif-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.notif-header h4 {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
}
.notif-body {
  overflow-y: auto;
  flex: 1;
}
.notif-body-inner {
  flex: 1;
  min-width: 0;
}
.notif-empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}
.notif-item {
  display: flex;
  gap: 10px;
  padding: 10px 16px;
  cursor: pointer;
  transition: background 0.15s;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}
.notif-item:hover {
  background: rgba(255,255,255,0.04);
}
.notif-item.unread {
  background: rgba(99,102,241,0.06);
  border-left: 3px solid var(--accent-blue);
}
.notif-icon {
  font-size: 1.1rem;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.notif-body {
  flex: 1;
  min-width: 0;
}
.notif-title {
  font-size: 0.85rem;
  font-weight: 500;
  line-height: 1.3;
}
.notif-msg {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}
.notif-time {
  font-size: 0.68rem;
  color: var(--text-muted);
  opacity: 0.7;
  margin-top: 4px;
}
.notif-footer {
  padding: 10px 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
  text-align: center;
}
.notif-mark-read {
  padding: 0;
  border: none;
  background: none;
  color: var(--accent-blue);
  font-size: 0.8rem;
  cursor: pointer;
  opacity: 0.8;
}
.notif-mark-read:hover {
  opacity: 1;
  text-decoration: underline;
}

/* ─── Notification Badge on Taskbar ──────────────────────────────────── */
.notif-badge {
  position: absolute;
  top: -2px;
  right: -4px;
  min-width: 16px;
  height: 16px;
  border-radius: 8px;
  background: var(--accent-red);
  color: white;
  font-size: 0.6rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  box-shadow: 0 2px 6px rgba(239,68,68,0.4);
}

/* ─── Taskbar Right Side ─────────────────────────────────────────────── */
.taskbar-right {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 8px;
  height: 100%;
}

/* Activity placeholder */
.profile-activity-empty {
  padding: 16px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* ─── File Tags ───────────────────────────────────────────────────────── */
.file-tag {
  display: inline-block;
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: 3px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.file-tag.video { background: rgba(139,92,246,0.15); color: var(--accent-purple); }
.file-tag.audio { background: rgba(34,197,94,0.15); color: var(--accent-green); }
.file-tag.image { background: rgba(234,179,8,0.15); color: var(--accent-yellow); }
.file-tag.text { background: rgba(6,182,212,0.15); color: var(--accent-cyan); }
.file-tag.archive { background: rgba(249,115,22,0.15); color: var(--accent-orange); }
.file-tag.code { background: rgba(99,102,241,0.15); color: var(--accent-blue); }

/* ═══════════════════════════════════════════════════════════════════════
   ADMIN PANEL
   ═══════════════════════════════════════════════════════════════════════ */

/* Admin Layout */
.admin-layout {
  display: flex;
  height: 100%;
  gap: 0;
}

.admin-sidebar {
  width: 200px;
  min-width: 200px;
  background: rgba(0,0,0,0.15);
  border-right: 1px solid rgba(255,255,255,0.05);
  display: flex;
  flex-direction: column;
  padding: 8px;
  gap: 2px;
}

.admin-nav-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  transition: all var(--transition);
  text-align: left;
}
.admin-nav-btn:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
}
.admin-nav-btn.active {
  background: rgba(99,102,241,0.15);
  color: var(--accent-blue);
}
.admin-nav-btn svg {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}

.admin-content {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  min-width: 0;
}

.admin-section {
  display: none;
}
.admin-section.active {
  display: block;
}

/* Dashboard Stats Grid */
.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.admin-stat-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: var(--transition);
}
.admin-stat-card:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.1);
}

.admin-stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
}
.admin-stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
}
.admin-stat-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}
.admin-stat-icon.blue { background: rgba(99,102,241,0.15); color: var(--accent-blue); }
.admin-stat-icon.green { background: rgba(34,197,94,0.15); color: var(--accent-green); }
.admin-stat-icon.orange { background: rgba(249,115,22,0.15); color: var(--accent-orange); }
.admin-stat-icon.red { background: rgba(239,68,68,0.15); color: var(--accent-red); }
.admin-stat-icon.purple { background: rgba(139,92,246,0.15); color: var(--accent-purple); }
.admin-stat-icon.cyan { background: rgba(6,182,212,0.15); color: var(--accent-cyan); }
.admin-stat-icon.yellow { background: rgba(234,179,8,0.15); color: var(--accent-yellow); }

/* Admin Table */
.admin-table-wrap {
  overflow-x: auto;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
}
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}
.admin-table th {
  text-align: left;
  padding: 10px 14px;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(0,0,0,0.15);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  white-space: nowrap;
}
.admin-table td {
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  color: var(--text-secondary);
}
.admin-table tr:hover td {
  background: rgba(255,255,255,0.02);
}
.admin-table .actions {
  display: flex;
  gap: 4px;
  align-items: center;
}

.admin-user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(99,102,241,0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-blue);
  flex-shrink: 0;
}
.admin-user-info {
  display: flex;
  align-items: center;
  gap: 8px;
}
.admin-user-name {
  font-weight: 500;
  color: var(--text-primary);
}

.admin-role-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.admin-role-badge.superadmin { background: rgba(239,68,68,0.15); color: var(--accent-red); }
.admin-role-badge.admin { background: rgba(249,115,22,0.15); color: var(--accent-orange); }
.admin-role-badge.moderator { background: rgba(99,102,241,0.15); color: var(--accent-blue); }
.admin-role-badge.member { background: rgba(152,152,176,0.15); color: var(--text-muted); }

.admin-status-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.admin-status-badge.active { background: rgba(34,197,94,0.15); color: var(--accent-green); }
.admin-status-badge.suspended { background: rgba(234,179,8,0.15); color: var(--accent-yellow); }
.admin-status-badge.banned { background: rgba(239,68,68,0.15); color: var(--accent-red); }
.admin-status-badge.pending_approval { background: rgba(99,102,241,0.15); color: var(--accent-blue); }
.admin-status-badge.pending_verification { background: rgba(6,182,212,0.15); color: var(--accent-cyan); }

.admin-btn-sm {
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}
.admin-btn-sm:hover {
  background: rgba(255,255,255,0.06);
}
.admin-btn-sm.green:hover { background: rgba(34,197,94,0.15); color: var(--accent-green); }
.admin-btn-sm.red:hover { background: rgba(239,68,68,0.15); color: var(--accent-red); }
.admin-btn-sm.blue:hover { background: rgba(99,102,241,0.15); color: var(--accent-blue); }
.admin-btn-sm.orange:hover { background: rgba(249,115,22,0.15); color: var(--accent-orange); }

/* Settings Form */
.admin-settings-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.admin-setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius-sm);
  gap: 16px;
}
.admin-setting-info {
  flex: 1;
  min-width: 0;
}
.admin-setting-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}
.admin-setting-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}
.admin-setting-input {
  flex-shrink: 0;
  width: 220px;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(0,0,0,0.25);
  color: var(--text-primary);
  font-size: 0.82rem;
  font-family: var(--font-mono);
  outline: none;
  transition: var(--transition);
}
.admin-setting-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px rgba(99,102,241,0.1);
}
.admin-setting-input.boolean {
  width: auto;
  padding: 0;
}
.admin-setting-toggle {
  position: relative;
  width: 40px;
  height: 22px;
  border-radius: 11px;
  background: rgba(255,255,255,0.1);
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
}
.admin-setting-toggle.on {
  background: var(--accent-blue);
}
.admin-setting-toggle::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: white;
  transition: var(--transition);
}
.admin-setting-toggle.on::after {
  left: 20px;
}

.admin-save-all-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  background: var(--accent-blue);
  color: white;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
  transition: var(--transition);
  align-self: flex-end;
}
.admin-save-all-btn:hover {
  background: var(--accent-blue-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99,102,241,0.3);
}

/* Webhook Cards */
.admin-webhooks-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 12px;
}
.admin-webhook-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: var(--tran

/* ─── Preview Toolbar ──────────────────────────────────────────────────── */
.preview-toolbar {
  display: flex;
  align-items: center;
  padding: 4px 12px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  gap: 4px;
  min-height: 34px;
  flex-shrink: 0;
}
.preview-toolbar-group {
  display: flex;
  align-items: center;
  gap: 4px;
}
.preview-toolbar-divider {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 6px;
}
.preview-toolbar-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.preview-toolbar-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.preview-toolbar-btn.active {
  background: var(--accent-blue);
  color: #fff;
}
.preview-toolbar-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.preview-lang-badge {
  display: inline-block;
  padding: 2px 8px;
  background: var(--accent-blue);
  color: #fff;
  font-size: 0.68rem;
  border-radius: 3px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.preview-pdf-page {
  font-size: 0.72rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}
.preview-pdf-input {
  width: 40px;
  padding: 2px 4px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-primary);
  font-size: 0.72rem;
  text-align: center;
  font-family: inherit;
}
.preview-pdf-zoom {
  font-size: 0.72rem;
  color: var(--text-muted);
  min-width: 36px;
  text-align: center;
}
.preview-img-counter {
  font-size: 0.72rem;
  color: var(--text-muted);
  min-width: 40px;
  text-align: center;
}

/* ─── Preview Body (overrides) ──────────────────────────────────────────── */
.preview-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-primary);
}
.preview-body .preview-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 8px;
  color: var(--text-muted);
  padding: 40px;
}
.preview-body .preview-empty p {
  font-size: 0.85rem;
}
.preview-body .preview-text {
  white-space: pre-wrap;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--text-secondary);
  padding: 16px 20px;
  margin: 0;
}
.preview-body .preview-text-plain {
  white-space: pre;
  overflow-x: auto;
}

/* ─── Image Gallery ─────────────────────────────────────────────────────── */
.preview-image-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 12px;
  background: #0a0a0a;
  min-height: 300px;
}
.preview-image {
  max-width: 100%;
  max-height: calc(100vh - 200px);
  object-fit: contain;
  border-radius: var(--radius-sm);
  cursor: zoom-in;
  transition: transform 0.2s ease;
  box-shadow: 0 4px 24px rgba(0,0,0,0.5);
}
.preview-image:hover {
  transform: scale(1.01);
}
.preview-image-fullscreen .preview-image {
  max-width: 100vw;
  max-height: 100vh;
  cursor: zoom-out;
}
.preview-image-fullscreen {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(0,0,0,0.95);
  padding: 20px;
}
.preview-image-fullscreen .preview-image {
  max-width: 100%;
  max-height: 100%;
}
.preview-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.8);
  cursor: pointer;
  transition: var(--transition);
  opacity: 0;
}
.preview-image-container:hover .preview-nav-btn {
  opacity: 1;
}
.preview-nav-btn:hover {
  background: rgba(0,0,0,0.75);
  color: #fff;
  border-color: rgba(255,255,255,0.3);
}
.preview-nav-left { left: 16px; }
.preview-nav-right { right: 16px; }

/* ─── Code Preview ──────────────────────────────────────────────────────── */
.code-preview-wrap {
  display: flex;
  flex: 1;
  overflow: hidden;
  position: relative;
}
.code-line-numbers {
  flex-shrink: 0;
  padding: 12px 0 12px 12px;
  background: #0d0d0d;
  border-right: 1px solid rgba(255,255,255,0.06);
  user-select: none;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.55;
  color: rgba(255,255,255,0.2);
  min-width: 40px;
  overflow: hidden;
}
.code-line-num {
  display: block;
  padding: 0 8px 0 0;
}
.code-content {
  flex: 1;
  overflow: auto;
  padding: 12px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.55;
  background: #0d0d0d;
  color: var(--text-secondary);
  tab-size: 2;
}
.code-content code {
  font-family: var(--font-mono);
  font-size: inherit;
  line-height: inherit;
}
.code-word-wrap .code-content {
  white-space: pre-wrap;
  word-break: break-word;
}

/* ─── PDF Preview ───────────────────────────────────────────────────────── */
.pdf-canvas {
  display: block;
  margin: 0 auto;
  max-width: 100%;
  height: auto !important;
  box-shadow: 0 2px 16px rgba(0,0,0,0.3);
  border-radius: 2px;
}
.preview-body:has(.pdf-canvas) {
  padding: 16px;
  background: #1a1a1a;
  align-items: center;
}


/* ─── File Comments Panel ───────────────────────────────────────────────── */
.preview-comments {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  max-height: 240px;
  min-height: 0;
}
.preview-comments-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  user-select: none;
  transition: var(--transition);
  border-bottom: 1px solid var(--border);
  background: var(--bg-tertiary);
}
.preview-comments-header:hover {
  background: var(--bg-hover);
}
.preview-comments-count {
  background: var(--accent-blue);
  color: #fff;
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: 8px;
  font-weight: 700;
  min-width: 18px;
  text-align: center;
}
.preview-comments-chevron {
  margin-left: auto;
  transition: transform 0.2s ease;
}
.preview-comments-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
  min-height: 0;
}
.preview-comments-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px 12px;
}
.preview-comments-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  color: var(--text-muted);
  gap: 6px;
}
.preview-comments-empty p {
  font-size: 0.78rem;
  margin: 0;
}
.preview-comment-item {
  display: flex;
  gap: 8px;
  padding: 6px 0;
}
.comment-avatar {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border-radius: 50%;
  color: var(--text-muted);
  overflow: hidden;
}
.comment-avatar-sm {
  width: 22px;
  height: 22px;
}
.comment-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.comment-content {
  flex: 1;
  min-width: 0;
}
.comment-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 2px;
}
.comment-author {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
}
.comment-time {
  font-size: 0.65rem;
  color: var(--text-muted);
}
.comment-delete {
  margin-left: auto;
  padding: 2px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 3px;
  opacity: 0;
  transition: var(--transition);
}
.preview-comment-item:hover .comment-delete,
.comment-reply:hover .comment-delete {
  opacity: 1;
}
.comment-delete:hover {
  color: var(--accent-red);
  background: rgba(239,68,68,0.1);
}
.comment-text {
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--text-secondary);
  word-break: break-word;
  white-space: pre-wrap;
}
.comment-mention {
  color: var(--accent-blue);
  font-weight: 600;
}
.comment-reply-btn {
  display: inline-block;
  font-size: 0.68rem;
  color: var(--text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 2px 0;
  margin-top: 2px;
  font-family: inherit;
  transition: var(--transition);
}
.comment-reply-btn:hover {
  color: var(--accent-blue);
}
.comment-replies {
  margin-top: 6px;
  padding-left: 8px;
  border-left: 2px solid var(--border);
}
.comment-reply {
  display: flex;
  gap: 6px;
  padding: 4px 0;
}
.preview-comments-input-wrap {
  display: flex;
  gap: 6px;
  padding: 8px 12px;
  border-top: 1px solid var(--border);
  align-items: flex-end;
  position: relative;
}
.preview-comments-input {
  flex: 1;
  padding: 8px 10px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.78rem;
  font-family: inherit;
  resize: none;
  min-height: 34px;
  max-height: 120px;
  outline: none;
  transition: var(--transition);
}
.preview-comments-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px rgba(99,102,241,0.15);
}
.preview-comments-input::placeholder {
  color: var(--text-muted);
}
.preview-comments-send {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-blue);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}
.preview-comments-send:hover:not(:disabled) {
  background: var(--accent-blue-hover);
}
.preview-comments-send:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* ─── @mention Autocomplete Dropdown ────────────────────────────────────── */
.preview-comments-mention {
  position: absolute;
  bottom: 100%;
  left: 12px;
  right: 54px;
  max-height: 180px;
  overflow-y: auto;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: 0 -4px 16px rgba(0,0,0,0.3);
  z-index: 100;
}
.mention-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  cursor: pointer;
  transition: var(--transition);
}
.mention-item:hover,
.mention-item-active {
  background: var(--bg-hover);
}
.mention-item-avatar {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: 50%;
  color: var(--text-muted);
  overflow: hidden;
  flex-shrink: 0;
}
.mention-item-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.mention-item-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.mention-item-name {
  font-size: 0.78rem;
  color: var(--text-primary);
  font-weight: 500;
}
.mention-item-username {
  font-size: 0.68rem;
  color: var(--text-muted);
}


/* ─── Info Preview (non-previewable file metadata) ───────────────────────── */
.preview-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 40px 24px;
  gap: 8px;
  text-align: center;
}
.preview-info-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.preview-info-icon svg {
  width: 48px;
  height: 48px;
}
.preview-info-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.preview-info-badge {
  display: inline-block;
  padding: 2px 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.5px;
}
.preview-info-dl {
  margin: 12px 0;
}
.preview-info-dl .btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--accent-blue);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  font-family: inherit;
}
.preview-info-dl .btn-primary:hover {
  background: var(--accent-blue-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99,102,241,0.3);
}
.preview-info-meta {
  width: 100%;
  max-width: 320px;
  margin-top: 4px;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}
.preview-info-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  font-size: 0.78rem;
}
.preview-info-label {
  color: var(--text-muted);
}
.preview-info-value {
  color: var(--text-secondary);
  font-weight: 500;
  text-align: right;
}


/* ─── File Expiration Badges ─────────────────────────────────────────────── */
.expiration-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.65rem;
  font-weight: 700;
  background: rgba(255,159,67,0.15);
  color: #ff9f43;
  border: 1px solid rgba(255,159,67,0.25);
  margin-left: 4px;
}
.expiration-badge svg {
  flex-shrink: 0;
}
.expiration-badge.expires-warn {
  background: rgba(255,159,67,0.25);
  color: #ffb74d;
  border-color: rgba(255,159,67,0.4);
}
.expiration-badge.expires-soon {
  background: rgba(239,68,68,0.2);
  color: #ef4444;
  border-color: rgba(239,68,68,0.35);
  animation: expiration-pulse 2s ease-in-out infinite;
}
@keyframes expiration-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* ─── Expiration Picker Modal ────────────────────────────────────────────── */
.expiration-presets {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.expiration-preset-btn {
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}
.expiration-preset-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.expiration-preset-btn.active {
  background: var(--accent-blue);
  color: #fff;
  border-color: var(--accent-blue);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  justify-content: center;
}
.btn-secondary:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}


/* ─── Profile Danger Zone ────────────────────────────────────────────────── */
.profile-danger-zone {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  background: rgba(239,68,68,0.04);
  border: 1px solid rgba(239,68,68,0.15);
  border-radius: var(--radius-sm);
}
.profile-danger-info {
  flex: 1;
  min-width: 0;
}
.profile-danger-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: transparent;
  color: var(--accent-red);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  white-space: nowrap;
  flex-shrink: 0;
}
.profile-danger-btn:hover {
  background: rgba(239,68,68,0.1);
  border-color: var(--accent-red);
}
.profile-danger-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}


/* ─── Music Player Window ───────────────────────────────────────────────── */
.music-player-body {
  padding: 0;
  overflow: hidden;
}
.music-layout {
  display: flex;
  height: 100%;
  overflow: hidden;
}
.music-now-playing {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  gap: 12px;
  background: var(--bg-primary);
  min-width: 0;
}
.music-art-container {
  position: relative;
  width: 180px;
  height: 180px;
  flex-shrink: 0;
}
.music-art {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a1a3e, #2a1a4e);
  border-radius: 50%;
  color: rgba(255,255,255,0.3);
  border: 3px solid rgba(255,255,255,0.08);
  transition: transform 0.3s ease;
  overflow: hidden;
}
.music-art.spinning {
  animation: music-spin 8s linear infinite;
}
@keyframes music-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.music-art svg {
  width: 72px;
  height: 72px;
}
.music-art-spin {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 16px;
  margin: -8px 0 0 -8px;
  background: var(--accent-blue);
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.2);
  z-index: 2;
  box-shadow: 0 0 12px rgba(99,102,241,0.4);
}
.music-now-playing .music-track-info {
  text-align: center;
  max-width: 100%;
  min-width: 0;
}
.music-now-playing .music-track-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.music-track-artist {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 2px;
}
.music-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}
.music-ctrl-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 50%;
  transition: var(--transition);
}
.music-ctrl-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.music-ctrl-btn.active {
  color: var(--accent-blue);
}
.music-ctrl-btn.active[data-repeat="one"] {
  color: var(--accent-yellow);
}
.music-play-btn {
  width: 44px;
  height: 44px;
  background: var(--accent-blue);
  color: #fff !important;
}
.music-play-btn:hover {
  background: var(--accent-blue-hover);
  transform: scale(1.05);
}
.music-progress {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  max-width: 320px;
}
.music-time {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  min-width: 32px;
  text-align: center;
}
.music-progress-track {
  flex: 1;
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
}
.music-progress-track:hover {
  height: 6px;
}
.music-progress-fill {
  height: 100%;
  background: var(--accent-blue);
  border-radius: 2px;
  transition: width 0.1s linear;
}
.music-volume {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
}
.music-volume-slider {
  width: 80px;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--bg-tertiary);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
.music-volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-blue);
  border: 2px solid var(--bg-primary);
  cursor: pointer;
}

/* ─── Music Playlist ────────────────────────────────────────────────────── */
.music-playlist {
  width: 280px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--border);
  background: var(--bg-secondary);
}
.music-playlist-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px 8px;
}
.music-playlist-header h3 {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
}
.music-playlist-count {
  font-size: 0.7rem;
  color: var(--text-muted);
}
.music-playlist-search {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px 8px;
  color: var(--text-muted);
}
.music-playlist-filter {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 0.75rem;
  font-family: inherit;
  outline: none;
  padding: 4px 0;
}
.music-playlist-filter::placeholder {
  color: var(--text-muted);
}
.music-track-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 6px 8px;
}
.music-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  color: var(--text-muted);
  gap: 6px;
  text-align: center;
}
.music-empty p {
  margin: 0;
  font-size: 0.82rem;
}
.music-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
.music-track-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}
.music-track-item:hover {
  background: var(--bg-hover);
}
.music-track-item.active {
  background: rgba(99,102,241,0.1);
}
.music-track-num {
  width: 20px;
  text-align: center;
  font-size: 0.7rem;
  color: var(--text-muted);
  flex-shrink: 0;
  font-family: var(--font-mono);
}
.music-equalizer {
  display: flex;
  align-items: center;
  gap: 1px;
  height: 12px;
}
.music-equalizer span {
  width: 2px;
  background: var(--accent-blue);
  border-radius: 1px;
  animation: equalizer 0.6s ease-in-out infinite alternate;
}
.music-equalizer span:nth-child(2) { animation-delay: 0.2s; height: 10px; }
.music-equalizer span:nth-child(3) { animation-delay: 0.4s; height: 6px; }
@keyframes equalizer {
  0% { height: 4px; }
  100% { height: 14px; }
}
.music-track-icon {
  flex-shrink: 0;
  width: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}
.music-track-item.active .music-track-icon {
  color: var(--accent-blue);
}
.music-playlist .music-track-info {
  flex: 1;
  min-width: 0;
}
.music-playlist .music-track-name {
  font-size: 0.75rem;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
}
.music-track-item.active .music-track-name {
  color: var(--accent-blue);
}
.music-track-meta {
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-top: 1px;
}
.music-track-duration {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  flex-shrink: 0;
}