/* ==========================================================================
   Innovemind Design System — Notes on a Wooden Desk
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Wood Tones */
  --wood-dark: #3d2817;
  --wood-primary: #5c4033;
  --wood-medium: #8b6f47;
  --wood-light: #a68a64;
  --wood-pale: #d4b896;

  /* Paper Tones */
  --paper-cream: #faf6f1;
  --paper-warm: #f5ede4;
  --paper-aged: #e8dcc8;
  --paper-shadow: #d9cbb8;

  /* Ink (Text) */
  --ink-dark: #2a1810;
  --ink-medium: #4a362b;
  --ink-light: #6b5444;
  --ink-muted: #8d7568;

  /* Accent: Amber */
  --amber-warm: #d4a574;
  --amber-rich: #c8935f;
  --amber-deep: #b8804a;

  /* Accent: Sage */
  --sage-soft: #8a9a7e;
  --sage-medium: #6d7f62;

  /* Accent: Terracotta */
  --terracotta: #c86f56;
  --terracotta-dark: #b35a42;

  /* Accent: Rust */
  --rust: #a94b35;
  --rust-dark: #8e3a26;

  /* Semantic */
  --success: var(--sage-soft);
  --warning: var(--terracotta);
  --danger: var(--rust);
  --info: var(--amber-warm);

  /* Shadows */
  --shadow-paper-sm: 0 2px 4px rgba(42, 24, 16, 0.08);
  --shadow-paper-md: 0 4px 12px rgba(42, 24, 16, 0.12);
  --shadow-paper-lg: 0 8px 24px rgba(42, 24, 16, 0.16);
  --shadow-paper-hover: 0 6px 18px rgba(42, 24, 16, 0.14);
  --shadow-inset: inset 0 2px 4px rgba(42, 24, 16, 0.06);

  /* Overlays */
  --overlay-light: rgba(250, 246, 241, 0.95);
  --overlay-dark: rgba(61, 40, 23, 0.85);

  /* Typography */
  --font-display: 'Newsreader', 'Iowan Old Style', Georgia, serif;
  --font-heading: 'Crimson Pro', Palatino, 'Book Antiqua', serif;
  --font-body: 'IBM Plex Sans', -apple-system, 'Segoe UI', sans-serif;
  --font-accent: 'Caveat', 'Bradley Hand', cursive;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

  /* Type Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  /* Line Heights */
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;

  /* Letter Spacing */
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Transitions */
  --ease-natural: cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------------------
   1b. Dark Mode
   -------------------------------------------------------------------------- */
[data-theme="dark"] {
  --wood-dark: #1a0f08;
  --wood-primary: #2d1810;
  --wood-medium: #3d2817;
  --wood-light: #4a362b;
  --wood-pale: #5c4033;

  --paper-cream: #2a1f18;
  --paper-warm: #342620;
  --paper-aged: #3d2e26;
  --paper-shadow: #241a14;

  --ink-dark: #e8dcc8;
  --ink-medium: #d4c4b0;
  --ink-light: #b8a592;
  --ink-muted: #8d7568;

  --amber-warm: #c8935f;

  --shadow-paper-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-paper-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-paper-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-paper-hover: 0 6px 18px rgba(0, 0, 0, 0.45);
}

/* --------------------------------------------------------------------------
   2. Reduced Motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* --------------------------------------------------------------------------
   3. Base & Reset Overrides
   -------------------------------------------------------------------------- */
body {
  font-family: var(--font-body);
  color: var(--ink-dark);
  background: var(--wood-dark);
  background-image:
    repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(0,0,0,0.03) 2px, rgba(0,0,0,0.03) 4px),
    repeating-linear-gradient(0deg, transparent, transparent 80px, rgba(0,0,0,0.02) 80px, rgba(0,0,0,0.02) 81px);
  line-height: var(--leading-normal);
  margin: 0;
  padding: 0;
}

::selection {
  background: var(--amber-warm);
  color: var(--wood-dark);
}

a {
  color: var(--amber-deep);
  text-decoration: none;
  transition: color 0.25s var(--ease-natural);
}
a:hover {
  color: var(--amber-rich);
}

*:focus-visible {
  outline: 3px solid var(--amber-warm);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Skip Nav */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-3) var(--space-5);
  background: var(--amber-warm);
  color: var(--wood-dark);
  font-weight: 600;
  border-radius: 0 0 6px 6px;
  z-index: 10000;
}
.skip-link:focus {
  top: 0;
}

/* --------------------------------------------------------------------------
   4. Layout
   -------------------------------------------------------------------------- */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-content {
  display: flex;
  flex: 1;
}

.main-content {
  flex: 1;
  background: var(--paper-cream);
  padding: var(--space-8);
  min-height: calc(100vh - 72px);
  animation: pageLoad 0.5s var(--ease-natural);
  background-image:
    radial-gradient(circle at 20% 30%, rgba(212,165,116,0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(138,111,71,0.03) 0%, transparent 50%);
}

@keyframes pageLoad {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.content-container { max-width: 1200px; margin: 0 auto; }
.content-narrow    { max-width: 800px;  margin: 0 auto; }
.content-wide      { max-width: 1400px; margin: 0 auto; }

/* --------------------------------------------------------------------------
   5. Navbar (Desk Shelf)
   -------------------------------------------------------------------------- */
.navbar.wood-navbar {
  background: linear-gradient(180deg, var(--wood-medium) 0%, var(--wood-primary) 100%);
  height: 72px;
  border-bottom: 3px solid var(--wood-dark);
  box-shadow: 0 4px 8px rgba(42, 24, 16, 0.2);
  padding: 0 var(--space-6);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar.wood-navbar .navbar-brand {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--paper-cream);
  letter-spacing: var(--tracking-wide);
  transition: color 0.3s ease;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.navbar.wood-navbar .navbar-brand:hover {
  color: var(--amber-warm);
}
.navbar.wood-navbar .navbar-brand img {
  height: 32px;
  border-radius: 4px;
}

.navbar.wood-navbar .nav-link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--paper-aged);
  padding: var(--space-2) var(--space-4);
  border-radius: 6px;
  transition: all 0.25s var(--ease-natural);
}
.navbar.wood-navbar .nav-link:hover {
  color: var(--amber-warm);
  background: rgba(255,255,255,0.08);
}

/* Nav avatar */
.nav-user {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.nav-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--amber-warm);
  flex-shrink: 0;
}
.nav-avatar-initials {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--amber-warm);
  color: var(--wood-dark);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
}

.navbar.wood-navbar .navbar-toggler {
  border-color: var(--wood-light);
}
.navbar.wood-navbar .navbar-toggler-icon {
  filter: brightness(2);
}

/* Mobile navbar collapse panel */
@media (max-width: 640px) {
  .navbar.wood-navbar .navbar-collapse {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--wood-primary);
    padding: var(--space-3) var(--space-4);
    border-bottom: 3px solid var(--wood-dark);
    z-index: 1100;
  }
  .navbar.wood-navbar .navbar-collapse .nav-link {
    padding: var(--space-3) var(--space-4);
    display: block;
  }
}

/* Theme Toggle */
.theme-toggle {
  background: transparent;
  border: 2px solid var(--wood-light);
  border-radius: 20px;
  padding: var(--space-1) var(--space-3);
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--paper-aged);
  font-size: var(--text-base);
  line-height: 1;
}
.theme-toggle:hover {
  border-color: var(--amber-warm);
}

/* Dark mode navbar overrides — paper-cream/paper-aged become dark in dark mode,
   but the navbar needs light text on its dark wood background */
[data-theme="dark"] .navbar.wood-navbar .navbar-brand {
  color: #e8dcc8;
}
[data-theme="dark"] .navbar.wood-navbar .navbar-brand:hover {
  color: var(--amber-warm);
}
[data-theme="dark"] .navbar.wood-navbar .nav-link {
  color: #d4c4b0;
}
[data-theme="dark"] .navbar.wood-navbar .nav-link:hover {
  color: var(--amber-warm);
  background: rgba(255,255,255,0.1);
}
[data-theme="dark"] .theme-toggle {
  color: #d4c4b0;
  border-color: #5c4033;
}
[data-theme="dark"] .theme-toggle:hover {
  border-color: var(--amber-warm);
}
[data-theme="dark"] .notification-bell-btn {
  color: #d4c4b0;
}
[data-theme="dark"] .notification-bell-btn:hover {
  color: var(--amber-warm);
  background: rgba(255,255,255,0.1);
}
[data-theme="dark"] .navbar.wood-navbar .navbar-toggler {
  border-color: #5c4033;
}

/* --------------------------------------------------------------------------
   6. Sidebar (Filing Cabinet)
   -------------------------------------------------------------------------- */
.sidebar {
  background: var(--wood-primary);
  width: 280px;
  min-height: calc(100vh - 72px);
  border-right: 2px solid var(--wood-dark);
  padding: var(--space-6) var(--space-4);
  box-shadow: inset -2px 0 8px rgba(0,0,0,0.15);
  overflow-y: auto;
  flex-shrink: 0;
  transition: width 0.3s var(--ease-natural);
}

.sidebar-section { margin-bottom: var(--space-8); }

.sidebar-heading {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--paper-aged);
  margin-bottom: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--wood-medium);
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: 6px;
  color: var(--paper-warm);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  transition: all 0.25s var(--ease-natural);
  cursor: pointer;
}
.sidebar-item:hover {
  background: var(--wood-medium);
  color: var(--amber-warm);
  transform: translateX(4px);
}
.sidebar-item.active {
  background: var(--wood-light);
  color: var(--paper-cream);
  border-left: 3px solid var(--amber-warm);
  padding-left: calc(var(--space-4) - 3px);
}

/* Sidebar avatar */
.sidebar-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid var(--amber-warm);
  flex-shrink: 0;
}
.sidebar-avatar-initials {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--wood-light);
  color: var(--paper-cream);
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 700;
}

.sidebar-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--ink-muted);
  background: var(--wood-dark);
  padding: var(--space-1) var(--space-2);
  border-radius: 10px;
  min-width: 24px;
  text-align: center;
}

.sidebar-add-btn {
  background: transparent;
  border: 2px dashed var(--wood-medium);
  color: var(--paper-aged);
  border-radius: 6px;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all 0.25s var(--ease-natural);
  width: 100%;
  text-align: center;
}
.sidebar-add-btn:hover {
  border-color: var(--amber-warm);
  color: var(--amber-warm);
  background: rgba(212,165,116,0.1);
}

/* --------------------------------------------------------------------------
   7. Buttons
   -------------------------------------------------------------------------- */
.btn {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-3) var(--space-5);
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: all 0.25s var(--ease-natural);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.btn:active {
  transform: translateY(1px) scale(0.98);
}

/* Primary */
.btn-primary {
  background: linear-gradient(135deg, var(--amber-warm) 0%, var(--amber-rich) 100%);
  color: var(--wood-dark);
  box-shadow: 0 2px 4px rgba(212,165,116,0.3);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--amber-rich) 0%, var(--amber-deep) 100%);
  box-shadow: 0 4px 8px rgba(212,165,116,0.4);
  transform: translateY(-2px);
  color: var(--wood-dark);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-inset);
}

/* Secondary */
.btn-secondary {
  background: var(--wood-light);
  color: var(--paper-cream);
  border: 1px solid var(--wood-medium);
}
.btn-secondary:hover {
  background: var(--wood-medium);
  border-color: var(--wood-primary);
  transform: translateY(-2px);
  color: var(--paper-cream);
}

/* Outline */
.btn-outline-primary {
  background: transparent;
  color: var(--amber-deep);
  border: 2px solid var(--paper-aged);
}
.btn-outline-primary:hover {
  background: var(--paper-warm);
  border-color: var(--amber-warm);
  color: var(--amber-deep);
}

.btn-outline-secondary {
  background: transparent;
  color: var(--ink-medium);
  border: 2px solid var(--paper-aged);
}
.btn-outline-secondary:hover {
  background: var(--paper-warm);
  border-color: var(--wood-light);
  color: var(--ink-dark);
}

.btn-outline-info {
  background: transparent;
  color: var(--amber-deep);
  border: 2px solid var(--amber-warm);
}
.btn-outline-info:hover {
  background: rgba(212,165,116,0.1);
  color: var(--amber-deep);
}

/* Danger */
.btn-danger {
  background: var(--rust);
  color: var(--paper-cream);
  box-shadow: 0 2px 4px rgba(169,75,53,0.3);
}
.btn-danger:hover {
  background: var(--rust-dark);
  box-shadow: 0 4px 8px rgba(169,75,53,0.4);
  transform: translateY(-2px);
  color: var(--paper-cream);
}

/* Success */
.btn-success {
  background: var(--sage-soft);
  color: var(--paper-cream);
}
.btn-success:hover {
  background: var(--sage-medium);
  transform: translateY(-2px);
  color: var(--paper-cream);
}

/* Warning */
.btn-warning {
  background: var(--terracotta);
  color: var(--paper-cream);
}
.btn-warning:hover {
  background: var(--terracotta-dark);
  color: var(--paper-cream);
}

/* Light (copy buttons etc.) */
.btn-light {
  background: var(--paper-warm);
  color: var(--ink-medium);
  border: 1px solid var(--paper-aged);
}
.btn-light:hover {
  background: var(--paper-cream);
  color: var(--ink-dark);
}

/* Sizes */
.btn-sm { font-size: var(--text-xs); padding: var(--space-2) var(--space-3); }
.btn-lg { font-size: var(--text-lg); padding: var(--space-4) var(--space-8); }

/* --------------------------------------------------------------------------
   8. Cards (Paper on Desk)
   -------------------------------------------------------------------------- */
.card {
  background: var(--paper-warm);
  border: 1px solid var(--paper-aged);
  border-radius: 6px;
  box-shadow: var(--shadow-paper-sm);
  overflow: hidden;
}

.card-header {
  background: linear-gradient(180deg, var(--paper-warm) 0%, var(--paper-cream) 100%);
  border-bottom: 2px solid var(--paper-aged);
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--ink-dark);
  padding: var(--space-4) var(--space-5);
}
.card-header.bg-light {
  background: var(--paper-warm);
}
.card-header.bg-success {
  background: var(--sage-soft);
  border-bottom-color: var(--sage-medium);
}

.card-body {
  padding: var(--space-5);
  background: var(--paper-cream);
}

.card-footer {
  background: var(--paper-warm);
  border-top: 1px solid var(--paper-aged);
  padding: var(--space-4) var(--space-5);
  color: var(--ink-light);
  font-size: var(--text-sm);
}

.card-title {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--ink-dark);
}

/* --------------------------------------------------------------------------
   9. Note Cards (Lifted Paper)
   -------------------------------------------------------------------------- */
.note-card {
  background: var(--paper-warm);
  border: 1px solid var(--paper-aged);
  border-radius: 4px;
  padding: var(--space-5);
  box-shadow: var(--shadow-paper-sm);
  transition: all 0.3s var(--ease-natural);
  cursor: pointer;
  position: relative;
  background-image:
    repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(42,24,16,0.01) 2px, rgba(42,24,16,0.01) 4px);
}
.note-card:hover {
  transform: translateY(-4px) rotate(0.3deg);
  box-shadow: var(--shadow-paper-hover);
  border-color: var(--amber-warm);
}

.note-card-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--ink-dark);
  margin: 0;
  line-height: var(--leading-snug);
}

.note-card-meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--ink-light);
  letter-spacing: var(--tracking-wide);
}

.note-card-excerpt {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--ink-medium);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   10. List Groups (Paper Stack)
   -------------------------------------------------------------------------- */
.list-group {
  border-radius: 6px;
  overflow: hidden;
  box-shadow: var(--shadow-paper-sm);
}

.list-group-item {
  background: var(--paper-cream);
  border-color: var(--paper-aged);
  color: var(--ink-dark);
  font-family: var(--font-body);
  transition: all 0.2s var(--ease-natural);
}
.list-group-item.bg-light {
  background: var(--paper-warm);
}
.list-group-item-action:hover {
  background: var(--paper-warm);
  color: var(--ink-dark);
  transform: translateX(2px);
}

/* --------------------------------------------------------------------------
   11. Forms (Writing on Paper)
   -------------------------------------------------------------------------- */
.form-control {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--ink-dark);
  background: var(--paper-cream);
  border: 2px solid var(--paper-aged);
  border-radius: 4px;
  padding: var(--space-3) var(--space-4);
  transition: all 0.3s ease;
}
.form-control:focus {
  border-color: var(--amber-warm);
  box-shadow: 0 0 0 3px rgba(212,165,116,0.2);
  background: var(--paper-cream);
  color: var(--ink-dark);
}
.form-control::placeholder {
  color: var(--ink-muted);
  font-style: italic;
}

/* Textarea (Lined Paper) */
textarea.form-control {
  line-height: var(--leading-relaxed);
  background-image: repeating-linear-gradient(
    transparent, transparent 27px, var(--paper-aged) 27px, var(--paper-aged) 28px
  );
  background-attachment: local;
}
textarea.form-control:focus {
  background-image: none;
}

.form-select {
  font-family: var(--font-body);
  color: var(--ink-dark);
  background-color: var(--paper-warm);
  border: 2px solid var(--paper-aged);
  border-radius: 4px;
  transition: all 0.3s ease;
}
.form-select:focus {
  border-color: var(--amber-warm);
  box-shadow: 0 0 0 3px rgba(212,165,116,0.2);
}

.form-label {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--ink-medium);
  margin-bottom: var(--space-2);
}

.form-text {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--ink-light);
  font-style: italic;
}

.form-check-input {
  border-color: var(--paper-aged);
  background-color: var(--paper-warm);
}
.form-check-input:checked {
  background-color: var(--amber-warm);
  border-color: var(--amber-rich);
}
.form-check-input:focus {
  box-shadow: 0 0 0 3px rgba(212,165,116,0.2);
  border-color: var(--amber-warm);
}

.input-group .form-control,
.input-group .form-select {
  border-color: var(--paper-aged);
}

/* --------------------------------------------------------------------------
   12. Badges & Tags (Wax Seals)
   -------------------------------------------------------------------------- */
.badge {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  padding: var(--space-1) var(--space-3);
  border-radius: 12px;
  letter-spacing: var(--tracking-wide);
}

.badge.bg-secondary {
  background-color: var(--wood-light) !important;
  color: var(--paper-cream);
}
.badge.bg-primary {
  background-color: var(--amber-warm) !important;
  color: var(--wood-dark);
}
.badge.bg-info {
  background: var(--amber-warm) !important;
  color: var(--wood-dark);
}
.badge.bg-success {
  background-color: var(--sage-soft) !important;
  color: var(--paper-cream);
}
.badge.bg-danger {
  background-color: var(--rust) !important;
  color: var(--paper-cream);
}
.badge.bg-warning {
  background-color: var(--terracotta) !important;
  color: var(--paper-cream);
}

/* --------------------------------------------------------------------------
   13. Alerts / Flash Messages
   -------------------------------------------------------------------------- */
.alert {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  border-radius: 6px;
  border: none;
  border-left: 4px solid;
  animation: slideInLeft 0.4s var(--ease-natural);
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to   { opacity: 1; transform: translateX(0); }
}

.alert-info {
  background: color-mix(in srgb, var(--amber-warm) 12%, var(--paper-cream));
  border-left-color: var(--amber-warm);
  color: var(--ink-dark);
}
.alert-success {
  background: color-mix(in srgb, var(--sage-soft) 12%, var(--paper-cream));
  border-left-color: var(--sage-soft);
  color: var(--ink-dark);
}
.alert-warning {
  background: color-mix(in srgb, var(--terracotta) 12%, var(--paper-cream));
  border-left-color: var(--terracotta);
  color: var(--ink-dark);
}
.alert-danger {
  background: color-mix(in srgb, var(--rust) 12%, var(--paper-cream));
  border-left-color: var(--rust);
  color: var(--ink-dark);
}
.alert-secondary {
  background: color-mix(in srgb, var(--wood-light) 12%, var(--paper-cream));
  border-left-color: var(--wood-light);
  color: var(--ink-dark);
}

/* --------------------------------------------------------------------------
   14. Modals (Opening a Drawer)
   -------------------------------------------------------------------------- */
.modal-content {
  background: var(--paper-cream);
  border: 3px solid var(--wood-medium);
  border-radius: 8px;
  box-shadow: var(--shadow-paper-lg);
  animation: modalSlideUp 0.4s var(--ease-natural);
}

@keyframes modalSlideUp {
  from { opacity: 0; transform: translateY(40px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  background: linear-gradient(180deg, var(--paper-warm) 0%, var(--paper-cream) 100%);
  border-bottom: 2px solid var(--paper-aged);
  padding: var(--space-5) var(--space-6);
}
.modal-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--ink-dark);
}

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  background: var(--paper-warm);
  border-top: 2px solid var(--paper-aged);
  padding: var(--space-4) var(--space-6);
}

.modal-backdrop.show {
  backdrop-filter: blur(4px);
}

.btn-close {
  filter: none;
  color: var(--ink-light);
  opacity: 0.6;
  transition: all 0.25s ease;
}
.btn-close:hover {
  opacity: 1;
  transform: rotate(90deg);
}

/* --------------------------------------------------------------------------
   15. Pagination (Book Index)
   -------------------------------------------------------------------------- */
.pagination {
  gap: var(--space-1);
}

.page-link {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--ink-medium);
  background: var(--paper-warm);
  border: 1px solid var(--paper-aged);
  border-radius: 4px;
  padding: var(--space-2) var(--space-3);
  transition: all 0.25s ease;
}
.page-link:hover {
  background: var(--amber-warm);
  color: var(--wood-dark);
  border-color: var(--amber-rich);
  transform: translateY(-2px);
}

.page-item.active .page-link {
  background: var(--wood-medium);
  color: var(--paper-cream);
  border-color: var(--wood-primary);
  font-weight: 600;
}

.page-item.disabled .page-link {
  background: var(--paper-warm);
  color: var(--ink-muted);
  border-color: var(--paper-aged);
  opacity: 0.5;
}

/* --------------------------------------------------------------------------
   16. Tables
   -------------------------------------------------------------------------- */
.table {
  color: var(--ink-dark);
  font-family: var(--font-body);
}
.table thead th {
  background: var(--paper-warm);
  border-bottom: 2px solid var(--paper-aged);
  color: var(--ink-medium);
  font-weight: 600;
  font-size: var(--text-sm);
}
.table-striped > tbody > tr:nth-of-type(odd) > * {
  background-color: rgba(232,220,200,0.3);
}
.table td, .table th {
  border-color: var(--paper-aged);
  padding: var(--space-3) var(--space-4);
}

/* --------------------------------------------------------------------------
   17. Dropdown Menus
   -------------------------------------------------------------------------- */
.dropdown-menu {
  background: var(--paper-cream);
  border: 2px solid var(--paper-aged);
  border-radius: 6px;
  box-shadow: var(--shadow-paper-md);
  padding: var(--space-2);
}
.dropdown-item {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--ink-dark);
  border-radius: 4px;
  padding: var(--space-2) var(--space-4);
  transition: all 0.2s ease;
}
.dropdown-item:hover, .dropdown-item:focus {
  background: var(--paper-warm);
  color: var(--amber-deep);
}

.dropdown-divider {
  border-color: var(--paper-aged);
}

/* --------------------------------------------------------------------------
   18. Typography Utilities
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--ink-dark);
}
h1 { font-size: var(--text-4xl); font-weight: 700; line-height: var(--leading-tight); }
h2 { font-size: var(--text-3xl); font-weight: 600; line-height: var(--leading-snug); }
h3 { font-size: var(--text-2xl); font-weight: 600; }
h4 { font-size: var(--text-xl); font-weight: 600; }
h5 { font-size: var(--text-lg); font-weight: 600; }
h6 { font-size: var(--text-base); font-weight: 600; }

.text-muted  { color: var(--ink-light) !important; }
.text-primary { color: var(--amber-deep) !important; }
.text-secondary { color: var(--ink-medium) !important; }
.text-success { color: var(--sage-soft) !important; }
.text-danger  { color: var(--rust) !important; }
.text-dark    { color: var(--ink-dark) !important; }
.text-white   { color: var(--paper-cream) !important; }

.text-display {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: 300;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

.text-accent {
  font-family: var(--font-accent);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--ink-medium);
}

.text-meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--ink-light);
}

/* --------------------------------------------------------------------------
   19. Markdown Content Styling
   -------------------------------------------------------------------------- */
.card-text h1, .card-text h2, .card-text h3,
.note-content h1, .note-content h2, .note-content h3 {
  font-family: var(--font-heading);
  color: var(--ink-dark);
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
}

.card-text code, .note-content code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--paper-aged);
  padding: var(--space-1) var(--space-2);
  border-radius: 3px;
  color: var(--rust);
}

.card-text pre, .note-content pre {
  background: var(--wood-dark);
  color: var(--paper-cream);
  padding: var(--space-4);
  border-radius: 6px;
  overflow-x: auto;
  border-left: 4px solid var(--amber-warm);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}
.card-text pre code, .note-content pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.card-text blockquote, .note-content blockquote {
  border-left: 4px solid var(--amber-warm);
  padding-left: var(--space-4);
  margin-left: 0;
  color: var(--ink-medium);
  font-style: italic;
}

.card-text table, .note-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-4) 0;
}
.card-text th, .card-text td,
.note-content th, .note-content td {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--paper-aged);
  text-align: left;
}
.card-text th, .note-content th {
  background: var(--paper-warm);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   20. Empty States
   -------------------------------------------------------------------------- */
.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-8);
  max-width: 500px;
  margin: 0 auto;
}
.empty-state-title {
  font-family: var(--font-accent);
  font-size: var(--text-3xl);
  color: var(--ink-medium);
  margin-bottom: var(--space-4);
  transform: rotate(-1deg);
}
.empty-state-message {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--ink-light);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

/* --------------------------------------------------------------------------
   21. Comments (Margin Notes)
   -------------------------------------------------------------------------- */
.comment {
  padding: var(--space-4);
  background: var(--paper-cream);
  border-left: 3px solid var(--amber-warm);
  border-radius: 4px;
  margin-bottom: var(--space-3);
}

/* --------------------------------------------------------------------------
   22. Loading Spinner
   -------------------------------------------------------------------------- */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--paper-aged);
  border-top-color: var(--amber-warm);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --------------------------------------------------------------------------
   23. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 640px) {
  .sidebar {
    position: fixed;
    left: -280px;
    top: 72px;
    height: calc(100vh - 72px);
    z-index: 999;
    transition: left 0.3s var(--ease-natural);
  }
  .sidebar.open { left: 0; }

  .sidebar-overlay {
    position: fixed;
    inset: 0;
    top: 72px;
    background: rgba(0,0,0,0.5);
    z-index: 998;
    display: none;
  }
  .sidebar.open ~ .sidebar-overlay { display: block; }

  .main-content { padding: var(--space-4); }

  .navbar.wood-navbar { padding: 0 var(--space-4); }

  .text-display { font-size: var(--text-4xl); }

  /* Improve tap targets and stacking on mobile */
  .dashboard-search-form { gap: var(--space-2); }
  .dashboard-search-input .form-control,
  .dashboard-search-select .form-select {
    min-height: 44px; /* comfortable tap target */
  }
  .dashboard-header { flex-wrap: wrap; row-gap: var(--space-2); }
  .dashboard-bulk-move { flex-wrap: wrap; }
  .dashboard-bulk-move .form-select { width: 100%; }
}

@media (min-width: 641px) and (max-width: 1024px) {
  .sidebar { width: 240px; }
  .main-content { padding: var(--space-6); }
}

@media (min-width: 1440px) {
  .sidebar { width: 320px; }
  .content-container { max-width: 1400px; }
}

/* --------------------------------------------------------------------------
   24. Utility Overrides (Bootstrap compatibility)
   -------------------------------------------------------------------------- */
.bg-light { background-color: var(--paper-warm) !important; }
.bg-success { background-color: var(--sage-soft) !important; }
.text-decoration-none { text-decoration: none; }
.font-monospace { font-family: var(--font-mono) !important; }

.border { border-color: var(--paper-aged) !important; }
.border-bottom { border-bottom-color: var(--paper-aged) !important; }

/* Icon utility */
.icon-sm {
  width: 16px;
  height: 16px;
  vertical-align: -2px;
}

/* Override Bootstrap container to play nice with sidebar */
.main-content > .container { max-width: 100%; }

/* --------------------------------------------------------------------------
   25. Notification Bell
   -------------------------------------------------------------------------- */
.notification-bell {
  position: relative;
}
.notification-bell-btn {
  background: transparent;
  border: none;
  color: var(--paper-aged);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: 6px;
  transition: color 0.25s ease, background 0.25s ease;
  display: flex;
  align-items: center;
}
.notification-bell-btn:hover {
  color: var(--amber-warm);
  background: rgba(255,255,255,0.08);
}
.notification-badge {
  position: absolute;
  top: 2px;
  right: 0;
  background: var(--rust);
  color: var(--paper-cream);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  min-width: 16px;
  height: 16px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  line-height: 1;
  animation: badgePop 0.3s var(--ease-natural);
}
@keyframes badgePop {
  0% { transform: scale(0); }
  70% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

.notification-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 340px;
  max-height: 420px;
  background: var(--paper-cream);
  border: 2px solid var(--paper-aged);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(42, 24, 16, 0.18);
  z-index: 1050;
  overflow: hidden;
}
.notification-dropdown.open {
  display: block;
  animation: notifSlideDown 0.2s ease-out;
}
@keyframes notifSlideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.notification-dropdown-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--paper-aged);
  background: var(--paper-warm);
}
.notification-dropdown-title {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--ink-dark);
}
.notification-mark-all {
  background: none;
  border: none;
  color: var(--amber-warm);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  cursor: pointer;
  transition: color 0.2s ease;
}
.notification-mark-all:hover {
  color: var(--ink-dark);
}

.notification-dropdown-list {
  overflow-y: auto;
  max-height: 360px;
}

.notification-item {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--paper-aged);
  text-decoration: none;
  color: inherit;
  transition: background 0.2s ease;
}
.notification-item:hover {
  background: var(--paper-warm);
  color: inherit;
  text-decoration: none;
}
.notification-item.unread {
  background: color-mix(in srgb, var(--amber-warm) 8%, var(--paper-cream));
  border-left: 3px solid var(--amber-warm);
}

.notification-item-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 1.5px solid var(--paper-aged);
}
.notification-item-avatar-initials {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--wood-light);
  color: var(--paper-cream);
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}

.notification-item-body {
  flex: 1;
  min-width: 0;
}
.notification-item-msg {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--ink-dark);
  line-height: var(--leading-snug);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.notification-item-time {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--ink-muted);
  margin-top: 2px;
}

.notification-empty {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--ink-muted);
  text-align: center;
  padding: var(--space-8) var(--space-4);
  font-style: italic;
  margin: 0;
}

/* Dark mode overrides for notifications */
[data-theme="dark"] .notification-dropdown {
  background: var(--wood-dark);
  border-color: var(--wood-medium);
}
[data-theme="dark"] .notification-dropdown-header {
  background: var(--wood-medium);
  border-color: var(--wood-light);
}
[data-theme="dark"] .notification-item {
  border-color: var(--wood-medium);
}
[data-theme="dark"] .notification-item:hover {
  background: var(--wood-medium);
}
[data-theme="dark"] .notification-item.unread {
  background: color-mix(in srgb, var(--amber-warm) 10%, var(--wood-dark));
}

@media (max-width: 640px) {
  .notification-dropdown {
    width: calc(100vw - 32px);
    right: -8px;
  }
}