/**
 * Modern UX Enhancements - Phase 9
 * Bootstrap 5 + HTMX + Alpine.js Design System
 *
 * This file contains modern visual improvements for Calibre-Web
 * including animations, better cards, instant feedback, and more.
 */

/* ====================================
   1. CSS VARIABLES (Design Tokens) - Phase 11 Dark Mode
   ==================================== */
:root {
  /* ============ LIGHT THEME (DEFAULT) ============ */

  /* Semantic Colors - Light Theme */
  --color-background: #fafafa;
  --color-surface: #ffffff;
  --color-surface-variant: #f5f5f5;
  --color-surface-alt: #f8f9fa;
  --color-surface-hover: #f0f0f0;

  /* Text Colors - Light Theme */
  --color-text-primary: #212529;
  --color-text-secondary: #6c757d;
  --color-text-tertiary: #adb5bd;
  --color-text-on-primary: #ffffff;

  /* Border & Divider Colors - Light Theme */
  --color-border: #dee2e6;
  --color-border-hover: #adb5bd;
  --color-divider: #e9ecef;
  --color-outline: #ced4da;

  /* Modern Color Palette (Bootstrap 5 inspired) - Works in both themes */
  --color-primary: #0d6efd;
  --color-primary-hover: #0b5ed7;
  --color-success: #198754;
  --color-success-bg: #d1e7dd;
  --color-info: #0dcaf0;
  --color-info-bg: #cff4fc;
  --color-warning: #ffc107;
  --color-danger: #dc3545;

  /* Neutral Gray Scale - Light Theme */
  --color-gray-50: #f8f9fa;
  --color-gray-100: #e9ecef;
  --color-gray-200: #dee2e6;
  --color-gray-300: #ced4da;
  --color-gray-400: #adb5bd;
  --color-gray-500: #6c757d;
  --color-gray-600: #495057;
  --color-gray-700: #343a40;
  --color-gray-800: #212529;
  --color-gray-900: #1a1a1a;

  /* Shadows - Light Theme */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Transitions */
  --transition-base: all 0.2s ease-in-out;
  --transition-fast: all 0.15s ease-in-out;
  --transition-slow: all 0.3s ease-in-out;
  --transition-theme: background-color 0.3s ease, color 0.3s ease;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
}

/* ============ DARK THEME ============ */
[data-theme="dark"] {
  /* Semantic Colors - Dark Theme */
  --color-background: #0d1117;
  --color-surface: #161b22;
  --color-surface-variant: #21262d;
  --color-surface-alt: #1c2128;
  --color-surface-hover: #30363d;

  /* Text Colors - Dark Theme */
  --color-text-primary: #e6edf3;
  --color-text-secondary: #8b949e;
  --color-text-tertiary: #6e7681;
  --color-text-on-primary: #ffffff;

  /* Border & Divider Colors - Dark Theme */
  --color-border: #30363d;
  --color-border-hover: #8b949e;
  --color-divider: #21262d;
  --color-outline: #6e7681;

  /* Adjusted Primary Colors for Dark Mode Contrast */
  --color-primary: #539bf5;
  --color-primary-hover: #6cb6ff;
  --color-success: #3fb950;
  --color-success-bg: #1a472a;
  --color-info: #58a6ff;
  --color-info-bg: #1c3d5a;
  --color-warning: #d29922;
  --color-danger: #f85149;

  /* Neutral Gray Scale - Dark Theme */
  --color-gray-50: #30363d;
  --color-gray-100: #21262d;
  --color-gray-200: #161b22;
  --color-gray-300: #0d1117;
  --color-gray-400: #6e7681;
  --color-gray-500: #8b949e;
  --color-gray-600: #c9d1d9;
  --color-gray-700: #e6edf3;
  --color-gray-800: #f0f6fc;
  --color-gray-900: #ffffff;

  /* Shadows - Dark Theme (higher opacity for visibility) */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.5), 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.7), 0 10px 10px -5px rgba(0, 0, 0, 0.5);

  /* Invert some colors for dark mode */
  color-scheme: dark;
}

/* ====================================
   1.2. BASE THEME STYLES
   ==================================== */

/* Apply semantic colors to body */
body {
  background-color: var(--color-background);
  color: var(--color-text-primary);
  transition: var(--transition-theme);
}

/* Surfaces (cards, modals, panels) */
.card,
.modal-content,
.panel,
.panel-default,
.dropdown-menu {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  border-color: var(--color-border);
  transition: var(--transition-theme);
}

/* Text colors */
.text-muted,
small,
.small {
  color: var(--color-text-secondary) !important;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-primary) !important;
  transition: var(--transition-theme);
}

/* Borders */
hr,
.border,
.border-top,
.border-bottom {
  border-color: var(--color-divider) !important;
}

/* Form inputs */
.form-control,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
textarea,
select {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  border-color: var(--color-border);
  transition: var(--transition-theme);
}

.form-control:focus,
input:focus,
textarea:focus,
select:focus {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  border-color: var(--color-primary);
}

.form-control::placeholder,
input::placeholder,
textarea::placeholder {
  color: var(--color-text-tertiary);
}

/* Tables */
.table {
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.table thead th {
  border-bottom-color: var(--color-border);
  background-color: var(--color-surface-variant);
}

.table tbody tr {
  border-bottom-color: var(--color-divider);
}

.table tbody tr:hover {
  background-color: var(--color-surface-hover);
}

/* Navigation */
.navbar {
  background-color: var(--color-surface);
  border-color: var(--color-border);
  transition: var(--color-transition-theme);
}

.nav-link {
  color: var(--color-text-primary);
  transition: var(--transition-theme);
}

.nav-link:hover {
  color: var(--color-primary);
}

/* Sidebar navigation */
.navigation {
  background-color: var(--color-surface);
  transition: var(--transition-theme);
}

.navigation li a {
  color: var(--color-text-secondary) !important;
  transition: var(--transition-fast);
}

.navigation li a:hover {
  color: var(--color-text-primary) !important;
  text-decoration: none;
}

.navigation .nav-head {
  color: var(--color-text-tertiary) !important;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  margin-top: 1rem;
  margin-bottom: 0.5rem;
}

.navigation li.active > a {
  color: var(--color-text-primary) !important;
  font-weight: 500;
}

/* List groups */
.list-group-item {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  border-color: var(--color-border);
  transition: var(--transition-theme);
}

.list-group-item:hover {
  background-color: var(--color-surface-hover);
}

/* Tooltips and popovers */
.tooltip-inner {
  background-color: var(--color-gray-800);
  color: var(--color-gray-50);
}

/* Dark mode: Adjust Bootstrap contextual classes */
[data-theme="dark"] {
  /* Buttons - adjust for dark mode visibility */
  .btn-light {
    background-color: var(--color-surface-variant);
    border-color: var(--color-border);
    color: var(--color-text-primary);
  }

  .btn-light:hover {
    background-color: var(--color-surface-hover);
  }

  /* Alerts - maintain readability */
  .alert {
    border-color: var(--color-border);
  }

  /* Code blocks */
  code,
  pre {
    background-color: var(--color-surface-variant);
    color: var(--color-text-primary);
  }
}

/* ====================================
   1.3. THEME SWITCHER STYLES - Phase 11
   ==================================== */

/* Theme toggle button */
.theme-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  transition: var(--transition-base);
  cursor: pointer;
}

.theme-toggle:hover {
  background-color: var(--color-surface-hover);
  text-decoration: none;
}

.theme-toggle i {
  font-size: 1.1rem;
  transition: var(--transition-base);
}

.theme-toggle:hover i {
  color: var(--color-primary);
  transform: rotate(15deg);
}

/* Alpine.js cloak (hide until Alpine is loaded) */
[x-cloak] {
  display: none !important;
}

/* ====================================
   1.5. BOOTSTRAP 3 GRID COMPATIBILITY FIXES
   ==================================== */

/* NUCLEAR OPTION: Completely override caliBlur's layout system */
/* Disable ALL caliBlur positioning on key layout elements */
.container-fluid,
.container-fluid *,
.row-fluid,
.row-fluid *,
[class*="col-"] {
  position: static !important;
}

/* Ensure Bootstrap 3 grid still works with Bootstrap 5 loaded */
.row-fluid {
  display: flex !important;
  flex-wrap: wrap !important;
  margin-right: -15px;
  margin-left: -15px;
  clear: both !important;
  width: 100% !important;
}

/* Force navbar to clear and not interfere with content below */
.navbar {
  margin-bottom: 20px !important;
  clear: both !important;
}

.navbar::after {
  content: "";
  display: table;
  clear: both;
}

/* Ensure container-fluid starts fresh */
/* CRITICAL: Override caliBlur's global position: fixed on container-fluid (line 1704) */
.container-fluid,
body > .container-fluid,
body > div.container-fluid {
  position: relative !important;
  height: auto !important;
  top: auto !important;
  left: auto !important;
  clear: both !important;
  width: 100% !important;
  display: block !important;
}

.row-fluid [class*="col-"] {
  position: relative;
  padding-right: 15px;
  padding-left: 15px;
  /* DO NOT set width: 100% here - it breaks the flex layout! */
}

/* Override caliBlur's global .col-sm-2 absolute positioning (line 1710) */
body > div.container-fluid > div.row-fluid > div.col-sm-2,
.container-fluid > .row-fluid > .col-sm-2 {
  position: relative !important;
  width: auto !important;
  height: auto !important;
  top: auto !important;
  left: auto !important;
}

/* Bootstrap 3 col-sm-* classes - ensure they work at correct breakpoint */
@media (min-width: 768px) {
  .row-fluid .col-sm-2,
  #main-nav + .col-sm-2,
  .container-fluid > .row-fluid > .col-sm-2 {
    flex: 0 0 16.666667% !important;
    max-width: 16.666667% !important;
    width: auto !important;
    position: relative !important;
    float: none !important;
    display: block !important;
  }

  .row-fluid .col-sm-10,
  .container-fluid > .row-fluid > .col-sm-10 {
    flex: 0 0 83.333333% !important;
    max-width: 83.333333% !important;
    width: auto !important;
    position: relative !important;
    float: none !important;
    display: block !important;
  }
}

/* CRITICAL: Override caliBlur theme fixed positioning that breaks flex layout */
/* caliBlur.css line 193-202 applies position: fixed at 768px-991px */
@media only screen and (max-width: 991px) and (min-width: 768px) {
  #main-nav + .col-sm-2 {
    /* Override caliBlur's position: fixed - keep sidebar in document flow */
    position: relative !important;
    width: auto !important;
    height: auto !important;
    left: auto !important;
    top: auto !important;
    /* Preserve caliBlur's visual styling */
    background: rgba(0, 0, 0, .15) !important;
    padding: 0 5px 20px 0 !important;
    overflow-y: auto !important;
  }

  /* Remove the pseudo-element that caliBlur adds */
  #main-nav + .col-sm-2::after {
    display: none !important;
  }
}

/* On mobile, stack columns vertically */
@media (max-width: 767px) {
  .row-fluid .col-sm-2,
  .row-fluid .col-sm-10,
  #main-nav + .col-sm-2 {
    flex: 0 0 100% !important;
    max-width: 100% !important;
    width: 100% !important;
    position: relative !important;
  }
}

/* Override caliBlur theme sidebar styles that break the grid */
#main-nav + .col-sm-2::after {
  display: none !important;
}

.col-sm-2.navigation,
#main-nav + .col-sm-2 {
  overflow-y: visible !important;
  height: auto !important;
}

/* Fix navbar layout - prevent Bootstrap 5 from interfering */
.navbar {
  position: relative !important;
  display: block !important;
  width: 100% !important;
  min-height: 50px !important;
}

/* Hide toggle button on desktop (it's for mobile only) */
@media (min-width: 768px) {
  .navbar-toggle {
    display: none !important;
  }
}

/* Fix navbar vertical alignment */
.navbar-form,
.navbar-nav,
.navbar-brand {
  vertical-align: middle !important;
}

.navbar-form .form-control {
  vertical-align: middle;
}

/* Ensure all navbar links are aligned properly */
.navbar-nav > li {
  display: inline-block !important;
  float: left !important;
}

.navbar-nav > li > a {
  line-height: 20px !important;
  padding: 15px !important;
  display: block !important;
  vertical-align: middle !important;
}

/* Align icons with text in navbar */
.navbar-nav > li > a > i {
  vertical-align: middle !important;
  margin-right: 4px;
}

/* Fix right-side navbar alignment */
.navbar-nav.navbar-right > li > a {
  padding: 15px !important;
  line-height: 20px !important;
}

/* Ensure navbar brand aligns with nav items */
.navbar-brand {
  padding: 0 15px !important;
  line-height: 50px !important;
  height: 50px !important;
  display: inline-block !important;
  /* Don't override font-size - let it use default 35px from style.css */
  margin: 0 !important;
  vertical-align: middle !important;
  float: left !important;
}

/* Override any theme-specific brand styling */
.navbar-default .navbar-brand {
  padding: 0 15px !important;
  line-height: 50px !important;
  /* Keep the 35px font size from style.css */
}

.navbar-header {
  float: left !important;
  display: block !important;
}

.navbar-collapse {
  width: auto !important;
  display: block !important;
  overflow: visible !important;
  border-top: 0 !important;
  box-shadow: none !important;
}

.navbar-collapse.collapse {
  display: block !important;
  height: auto !important;
  padding-bottom: 0 !important;
  overflow: visible !important;
}

.navbar-nav {
  float: left !important;
  margin: 0 !important;
  display: block !important;
}

.navbar-nav.navbar-right {
  float: right !important;
}

.navbar-nav > li {
  float: left !important;
  display: block !important;
}

.navbar-form {
  float: left !important;
  margin: 8px 0 !important;
  display: block !important;
}

/* Ensure navbar doesn't use flexbox */
.navbar > .container-fluid {
  display: block !important;
}

.navbar::before,
.navbar::after,
.navbar-header::after,
.navbar-collapse::after {
  content: " ";
  display: table;
  clear: both;
}

/* ====================================
   1.9. BOOK DETAIL VIEW IMPROVEMENTS
   ==================================== */

/* Fix description text size in detail view */
.comments {
  font-size: 0.95rem !important;
  line-height: 1.6 !important;
  color: var(--color-gray-700);
}

.comments p {
  font-size: 0.95rem !important;
  line-height: 1.6 !important;
  margin-bottom: 1rem;
}

.comments h3 {
  font-size: 1.25rem !important;
  font-weight: 600;
  margin-bottom: 1rem;
}

/* ====================================
   2. MODERN BOOK CARDS
   ==================================== */

/* Book card container - MUST match .container-fluid .book specificity */
.container-fluid .book {
  position: relative;
  transition: var(--transition-base) !important;
  margin-bottom: var(--space-lg);
  padding: 8px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(13, 110, 253, 0.03) 0%, transparent 50%);
}

.container-fluid .book:hover {
  background: linear-gradient(135deg, rgba(13, 110, 253, 0.08) 0%, rgba(13, 110, 253, 0.02) 50%, transparent);
}

/* Cover container with modern styling - HIGHER specificity to override style.css */
.container-fluid .book .cover {
  position: relative;
  border-radius: var(--radius-md) !important;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
  background: var(--color-gray-100);
  border: 1px solid rgba(0, 0, 0, 0.05) !important;
}

/* Hover effect on cover - VERY dramatic lift effect that's impossible to miss */
.container-fluid .book .cover:hover {
  transform: translateY(-12px) scale(1.02) !important;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25), 0 0 0 3px rgba(13, 110, 253, 0.3) !important;
  border: 1px solid rgba(13, 110, 253, 0.4) !important;
}

/* Cover image - HIGHER specificity */
.container-fluid .book .cover span img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition-base) !important;
  border-radius: var(--radius-sm) !important;
}

.container-fluid .book .cover:hover span img {
  transform: scale(1.08) !important;
}

/* Quick action buttons overlay (shown on hover) - MUST be visible */
.container-fluid .book .quick-actions {
  position: absolute !important;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.5) 60%, transparent) !important;
  padding: var(--space-md);
  transform: translateY(100%);
  transition: var(--transition-base) !important;
  opacity: 0;
  display: flex !important;
  gap: var(--space-xs);
  justify-content: center;
  z-index: 10;
}

.container-fluid .book .cover:hover .quick-actions {
  transform: translateY(0) !important;
  opacity: 1 !important;
}

.container-fluid .book .quick-actions .btn {
  font-size: 0.875rem;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(4px);
  background: rgba(255, 255, 255, 0.95) !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3) !important;
}

/* Book metadata - HIGHER specificity */
.container-fluid .book .meta {
  padding: var(--space-sm) 0;
}

.container-fluid .book .meta .title {
  font-weight: 600 !important;
  font-size: 0.95rem;
  margin-bottom: var(--space-xs);
  color: var(--color-gray-900) !important;
  transition: var(--transition-fast) !important;
  line-height: 1.4;
}

.container-fluid .book .meta .title:hover {
  color: var(--color-primary) !important;
  transform: translateX(2px);
}

.container-fluid .book .meta .author {
  font-size: 0.875rem;
  color: var(--color-gray-700);
  margin-bottom: var(--space-xs);
}

.container-fluid .book .meta .series {
  font-size: 0.8125rem;
  color: var(--color-gray-700);
  font-style: italic;
}

/* Read badge - modern design with HIGH specificity */
.container-fluid .book .badge.read {
  position: absolute !important;
  top: var(--space-sm);
  right: var(--space-sm);
  background: var(--color-success) !important;
  color: white !important;
  border-radius: 50% !important;
  width: 2.5rem !important;
  height: 2.5rem !important;
  display: flex !important;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem !important;
  box-shadow: var(--shadow-lg) !important;
  z-index: 20 !important;
  animation: scaleIn 0.3s ease-out;
}

/* Star ratings - modern style with HIGHER specificity */
.container-fluid .book .rating {
  display: flex;
  gap: 3px;
  margin-top: var(--space-xs);
}

.container-fluid .book .rating .bi-star-fill {
  color: #ffc107 !important;
  font-size: 1rem !important;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
}

/* ====================================
   3. LOADING STATES & SKELETONS
   ==================================== */

/* Skeleton loader animation */
@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-gray-200) 0%,
    var(--color-gray-100) 50%,
    var(--color-gray-200) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--radius);
}

.skeleton-cover {
  aspect-ratio: 2 / 3;
  border-radius: var(--radius-md);
}

.skeleton-text {
  height: 1rem;
  margin-bottom: var(--space-xs);
  border-radius: var(--radius-sm);
}

.skeleton-text.short {
  width: 60%;
}

/* Modern loading spinner */
.loading-spinner {
  display: inline-block;
  width: 2rem;
  height: 2rem;
  border: 3px solid var(--color-gray-200);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Loading overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease-in-out;
}

.loading-overlay.active {
  opacity: 1;
  pointer-events: all;
}

/* ====================================
   4. SMOOTH ANIMATIONS
   ==================================== */

/* Fade in animation - MORE DRAMATIC */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.fade-in {
  animation: fadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Slide in from right */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-right {
  animation: slideInRight 0.3s ease-out;
}

/* Scale in */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.scale-in {
  animation: scaleIn 0.2s ease-out;
}

/* Pulse animation for attention */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.pulse {
  animation: pulse 2s ease-in-out infinite;
}

/* ====================================
   5. TOAST NOTIFICATIONS
   ==================================== */

.toast-container {
  position: fixed;
  top: var(--space-lg);
  right: var(--space-lg);
  z-index: 10000;
  max-width: 400px;
}

.toast {
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: start;
  gap: var(--space-sm);
  animation: slideInRight 0.3s ease-out;
  border-left: 4px solid var(--color-primary);
}

.toast.success {
  border-left-color: var(--color-success);
}

.toast.error {
  border-left-color: var(--color-danger);
}

.toast.warning {
  border-left-color: var(--color-warning);
}

.toast-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.toast.success .toast-icon {
  color: var(--color-success);
}

.toast.error .toast-icon {
  color: var(--color-danger);
}

.toast.warning .toast-icon {
  color: var(--color-warning);
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-gray-900);
}

.toast-message {
  font-size: 0.875rem;
  color: var(--color-gray-700);
  margin: 0;
}

.toast-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--color-gray-700);
  cursor: pointer;
  padding: 0;
  line-height: 1;
  opacity: 0.5;
  transition: opacity 0.2s;
}

.toast-close:hover {
  opacity: 1;
}

/* ====================================
   6. IMPROVED FORMS
   ==================================== */

/* Modern form styling */
.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.15);
  outline: none;
}

.form-control.is-valid {
  border-color: var(--color-success);
}

.form-control.is-invalid {
  border-color: var(--color-danger);
}

/* Inline validation feedback */
.form-feedback {
  display: none;
  font-size: 0.875rem;
  margin-top: var(--space-xs);
  animation: fadeIn 0.2s ease-out;
}

.form-control.is-valid ~ .form-feedback.valid {
  display: block;
  color: var(--color-success);
}

.form-control.is-invalid ~ .form-feedback.invalid {
  display: block;
  color: var(--color-danger);
}

/* Modern button styles */
.btn {
  border-radius: var(--radius);
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn:active {
  transform: translateY(0);
}

/* Button loading state */
.btn.loading {
  color: transparent;
  pointer-events: none;
}

.btn.loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1rem;
  height: 1rem;
  margin-top: -0.5rem;
  margin-left: -0.5rem;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* Button size adjustments - make them more compact */
.btn {
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  line-height: 1.5;
}

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 0.5rem 1rem;
  font-size: 1rem;
}

/* Book detail page buttons - more compact */
.btn-toolbar .btn-group .btn {
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
}

/* Button colors - dark mode support */
.btn-default {
  background-color: var(--color-surface-variant) !important;
  border-color: var(--color-border) !important;
  color: var(--color-text-primary) !important;
  transition: var(--transition-fast);
}

.btn-default:hover,
.btn-default:focus {
  background-color: var(--color-surface-hover) !important;
  border-color: var(--color-border-hover) !important;
  color: var(--color-text-primary) !important;
}

.btn-default:active,
.btn-default.active {
  background-color: var(--color-surface-hover) !important;
  border-color: var(--color-border) !important;
}

/* ====================================
   6.5. FORM CONTROLS - DARK MODE
   ==================================== */

/* Form controls */
.form-control {
  background-color: var(--color-surface) !important;
  color: var(--color-text-primary) !important;
  border-color: var(--color-border) !important;
  transition: var(--transition-fast);
}

.form-control:focus {
  background-color: var(--color-surface) !important;
  color: var(--color-text-primary) !important;
  border-color: var(--color-primary) !important;
  box-shadow: 0 0 0 0.2rem rgba(var(--color-primary-rgb, 13, 110, 253), 0.25);
}

.form-control::placeholder {
  color: var(--color-text-tertiary) !important;
  opacity: 1;
}

.form-control:disabled,
.form-control[readonly] {
  background-color: var(--color-surface-variant) !important;
  color: var(--color-text-secondary) !important;
  opacity: 0.7;
}

/* Form labels */
label,
.control-label,
.form-group label {
  color: var(--color-text-primary) !important;
  transition: var(--transition-theme);
}

/* Help text and muted text */
.help-block,
.text-muted {
  color: var(--color-text-secondary) !important;
}

/* Input groups */
.input-group-btn .btn {
  border-color: var(--color-border) !important;
}

/* Panels (Bootstrap 3) */
.panel {
  background-color: var(--color-surface);
  border-color: var(--color-border);
  transition: var(--transition-theme);
}

.panel-default {
  background-color: var(--color-surface);
  border-color: var(--color-border);
}

.panel-heading {
  background-color: var(--color-surface-alt) !important;
  border-color: var(--color-border) !important;
  color: var(--color-text-primary) !important;
  transition: var(--transition-theme);
}

.panel-body {
  background-color: var(--color-surface) !important;
  color: var(--color-text-primary) !important;
  transition: var(--transition-theme);
}

.panel-title {
  color: var(--color-text-primary) !important;
}

.panel-footer {
  background-color: var(--color-surface-alt) !important;
  border-color: var(--color-border) !important;
  color: var(--color-text-secondary) !important;
}

/* ====================================
   7. INSTANT SEARCH
   ==================================== */

.search-container {
  position: relative;
}

.search-input {
  padding-right: 2.5rem;
}

.search-clear {
  position: absolute;
  right: var(--space-sm);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-gray-700);
  font-size: 1.25rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s;
  padding: var(--space-xs);
  line-height: 1;
}

.search-container:hover .search-clear,
.search-input:focus ~ .search-clear {
  opacity: 0.5;
}

.search-clear:hover {
  opacity: 1 !important;
}

.search-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: white;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  margin-top: var(--space-xs);
  max-height: 400px;
  overflow-y: auto;
  z-index: 1000;
}

.search-result-item {
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  transition: var(--transition-fast);
  border-bottom: 1px solid var(--color-gray-100);
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item:hover {
  background: var(--color-gray-50);
}

.search-highlight {
  background: rgba(255, 193, 7, 0.3);
  font-weight: 600;
  padding: 1px 2px;
  border-radius: 2px;
}

/* ====================================
   8. MOBILE OPTIMIZATIONS
   ==================================== */

@media (max-width: 768px) {
  /* Larger touch targets */
  .btn {
    min-height: 44px;
    min-width: 44px;
  }

  /* Better spacing on mobile - HIGHER specificity */
  .container-fluid .book {
    margin-bottom: var(--space-md) !important;
  }

  /* Simplified hover states on mobile (tap instead) - HIGHER specificity */
  .container-fluid .book .cover:active {
    transform: scale(0.98) !important;
  }

  /* Toast notifications on mobile */
  .toast-container {
    left: var(--space-sm);
    right: var(--space-sm);
    max-width: none;
  }
}

/* ====================================
   9. HTMX TRANSITION ENHANCEMENTS
   ==================================== */

/* Better HTMX swapping transitions */
.htmx-swapping {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.2s ease-out, transform 0.2s ease-out;
}

.htmx-settling {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.2s ease-in, transform 0.2s ease-in;
}

.htmx-added {
  animation: fadeIn 0.3s ease-out;
}

/* ====================================
   10. ACCESSIBILITY IMPROVEMENTS
   ==================================== */

/* Focus visible for keyboard navigation */
*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Reduced motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* High contrast mode improvements */
@media (prefers-contrast: high) {
  .container-fluid .book .cover {
    border: 2px solid var(--color-gray-900) !important;
  }

  .btn {
    border-width: 2px;
  }
}

/* ====================================
   11. UTILITY CLASSES
   ==================================== */

.glass-effect {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hover-lift {
  transition: var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.text-truncate-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.text-truncate-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* User table - Make checkmarks horizontal instead of vertical */
/* High specificity to override Bootstrap defaults */
#user-table thead th .form-check,
table#user-table thead th .form-check,
#table_user thead th .form-check,
table#table_user thead th .form-check,
.table thead th .form-check {
  display: flex !important;
  flex-direction: row !important;
  gap: 15px !important;
  align-items: center !important;
  flex-wrap: nowrap !important;
  justify-content: flex-start !important;
}

#user-table thead th .form-check > div,
table#user-table thead th .form-check > div,
#table_user thead th .form-check > div,
table#table_user thead th .form-check > div,
.table thead th .form-check > div {
  display: inline-flex !important;
  align-items: center !important;
  margin-right: 10px !important;
  white-space: nowrap !important;
  gap: 5px !important;
}

#user-table thead th .form-check input[type="radio"],
table#user-table thead th .form-check input[type="radio"],
#table_user thead th .form-check input[type="radio"],
table#table_user thead th .form-check input[type="radio"],
.table thead th .form-check input[type="radio"] {
  display: inline-block !important;
  margin: 0 5px 0 0 !important;
  vertical-align: middle !important;
  flex-shrink: 0 !important;
}

/* Admin table - Force proper table layout (not stacked/vertical) */
#table_user,
table#table_user {
  display: table !important;
  width: 100% !important;
}

#table_user thead,
table#table_user thead {
  display: table-header-group !important;
}

#table_user tbody,
table#table_user tbody {
  display: table-row-group !important;
}

#table_user tr,
table#table_user tr {
  display: table-row !important;
}

#table_user th,
#table_user td,
table#table_user th,
table#table_user td {
  display: table-cell !important;
  vertical-align: middle !important;
}

/* Ensure checkmark icons display inline */
#table_user td i.bi,
table#table_user td i.bi {
  display: inline !important;
}

/* Fix Bootstrap 5 modal backdrop - hide it like Bootstrap 3 theme does */
.modal-backdrop.show {
  display: none !important;
}

/* Fix identifier buttons (ISBN, etc.) - Bootstrap 5 doesn't have btn-xs */
.identifiers .btn-xs {
  padding: 0.25rem 0.5rem !important;
  font-size: 0.75rem !important;
  line-height: 1.5 !important;
  border-radius: 0.2rem !important;
}

/* Fix format list text color - ensure readable text */
#second a, #first a {
  color: #333 !important;
  text-decoration: none;
}

#second a:hover, #first a:hover {
  color: var(--color-primary) !important;
  text-decoration: underline;
}

/* Dark mode support for format list */
@media (prefers-color-scheme: dark) {
  #second a, #first a {
    color: #e9ecef !important;
  }

  #second a:hover, #first a:hover {
    color: var(--color-info) !important;
  }
}