@import url("https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap");

:root {
  --background: oklch(1 0 0);
  --foreground: oklch(0.145 0 0);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.145 0 0);
  --popover: oklch(1 0 0);
  --popover-foreground: oklch(0.145 0 0);
  --primary: oklch(0.205 0 0);
  --primary-foreground: oklch(0.985 0 0);
  --secondary: oklch(0.97 0 0);
  --secondary-foreground: oklch(0.205 0 0);
  --muted: oklch(0.97 0 0);
  --muted-foreground: oklch(0.556 0 0);
  --accent: oklch(0.97 0 0);
  --accent-foreground: oklch(0.205 0 0);
  --destructive: oklch(0.577 0.245 27.325);
  --destructive-foreground: oklch(0.577 0.245 27.325);
  --border: oklch(0.922 0 0);
  --input: oklch(0.922 0 0);
  --ring: oklch(0.708 0 0);
  --chart-1: oklch(0.646 0.222 41.116);
  --chart-2: oklch(0.6 0.118 184.704);
  --chart-3: oklch(0.398 0.07 227.392);
  --chart-4: oklch(0.828 0.189 84.429);
  --chart-5: oklch(0.769 0.188 70.08);
  --radius: 0.625rem;
  --sidebar: oklch(0.985 0 0);
  --sidebar-foreground: oklch(0.145 0 0);
  --sidebar-primary: oklch(0.205 0 0);
  --sidebar-primary-foreground: oklch(0.985 0 0);
  --sidebar-accent: oklch(0.97 0 0);
  --sidebar-accent-foreground: oklch(0.205 0 0);
  --sidebar-border: oklch(0.922 0 0);
  --sidebar-ring: oklch(0.708 0 0);

  /* Modern vibrant color palette inspired by design examples */
  --color-primary: #8b5cf6;
  --color-primary-dark: #7c3aed;
  --color-secondary: #3b82f6;
  --color-accent: #f59e0b;
  --color-background: #ffffff;
  --color-surface: #f9fafb;
  --color-text: #1f2937;
  --color-text-light: #6b7280;
  --color-border: #e5e7eb;
  --color-success: #10b981;
  --color-error: #ef4444;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.dark {
  --background: oklch(0.145 0 0);
  --foreground: oklch(0.985 0 0);
  --card: oklch(0.145 0 0);
  --card-foreground: oklch(0.985 0 0);
  --popover: oklch(0.145 0 0);
  --popover-foreground: oklch(0.985 0 0);
  --primary: oklch(0.985 0 0);
  --primary-foreground: oklch(0.205 0 0);
  --secondary: oklch(0.269 0 0);
  --secondary-foreground: oklch(0.985 0 0);
  --muted: oklch(0.269 0 0);
  --muted-foreground: oklch(0.708 0 0);
  --accent: oklch(0.269 0 0);
  --accent-foreground: oklch(0.985 0 0);
  --destructive: oklch(0.396 0.141 25.723);
  --destructive-foreground: oklch(0.637 0.237 25.331);
  --border: oklch(0.269 0 0);
  --input: oklch(0.269 0 0);
  --ring: oklch(0.439 0 0);
  --chart-1: oklch(0.488 0.243 264.376);
  --chart-2: oklch(0.696 0.17 162.48);
  --chart-3: oklch(0.769 0.188 70.08);
  --chart-4: oklch(0.627 0.265 303.9);
  --chart-5: oklch(0.645 0.246 16.439);
  --sidebar: oklch(0.205 0 0);
  --sidebar-foreground: oklch(0.985 0 0);
  --sidebar-primary: oklch(0.488 0.243 264.376);
  --sidebar-primary-foreground: oklch(0.985 0 0);
  --sidebar-accent: oklch(0.269 0 0);
  --sidebar-accent-foreground: oklch(0.985 0 0);
  --sidebar-border: oklch(0.269 0 0);
  --sidebar-ring: oklch(0.439 0 0);

  /* Dark mode colors */
  --color-primary: #a78bfa;
  --color-primary-dark: #8b5cf6;
  --color-secondary: #60a5fa;
  --color-accent: #fbbf24;
  --color-background: #111827;
  --color-surface: #1f2937;
  --color-text: #f9fafb;
  --color-text-light: #d1d5db;
  --color-border: #374151;
  --color-success: #34d399;
  --color-error: #f87171;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: "Poppins", sans-serif;
  background-color: var(--color-background);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
}
h2 {
  font-size: 2rem;
}
h3 {
  font-size: 1.5rem;
}
h4 {
  font-size: 1.25rem;
}
h5 {
  font-size: 1.125rem;
}
h6 {
  font-size: 1rem;
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-light);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-primary-dark);
}

.dark {
  --color-primary: #a78bfa;
  --color-primary-dark: #8b5cf6;
  --color-secondary: #60a5fa;
  --color-accent: #fbbf24;
  --color-background: #111827;
  --color-surface: #1f2937;
  --color-text: #f9fafb;
  --color-text-light: #d1d5db;
  --color-border: #374151;
  --color-success: #34d399;
  --color-error: #f87171;
}

body {
  transition: background-color 0.3s ease, color 0.3s ease;
}

.nav-container {
  transition: background-color 0.3s ease;
}

/* Skip Link for Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  text-decoration: none;
  z-index: 100;
  border-radius: 0 0 var(--radius) 0;
}

.skip-link:focus {
  top: 0;
}

/* Navigation */
.nav-container {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background-color: rgba(255, 255, 255, 0.9);
}

.dark .nav-container {
  background-color: rgba(31, 41, 55, 0.9);
}

.nav-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: transform 0.2s ease;
}

.nav-brand:hover {
  transform: scale(1.05);
}

.nav-links {
  display: flex;
  gap: var(--spacing-sm);
  list-style: none;
  align-items: center;
}

.nav-link {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius);
  transition: all 0.2s ease;
  font-weight: 500;
  color: var(--color-text-light);
}

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

.nav-link.active {
  background-color: var(--color-primary);
  color: white;
}

/* Main Container */
.main-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
  min-height: calc(100vh - 200px);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* Hero Section */
.hero-section {
  text-align: center;
  padding: var(--spacing-xl) 0;
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-secondary) 100%
  );
  border-radius: var(--radius-lg);
  color: white;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="40" fill="rgba(255,255,255,0.05)"/></svg>');
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: white;
}

.hero-description {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  color: rgba(255, 255, 255, 0.9);
}

.hero-cta {
  display: inline-flex;
  gap: var(--spacing-sm);
}

/* Feature Cards */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid-2 {
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}

/* Cards */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-primary);
}

.card-header {
  margin-bottom: var(--spacing-sm);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-sm);
  font-size: 1.5rem;
}

.card-icon.purple {
  background: linear-gradient(135deg, #8b5cf6 0%, #a78bfa 100%);
  color: white;
}

.card-icon.blue {
  background: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
  color: white;
}

.card-icon.yellow {
  background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
  color: white;
}

.card-icon.green {
  background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
  color: white;
}

.card-title {
  font-size: 1.25rem;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

.card-body {
  color: var(--color-text-light);
  flex-grow: 1;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  border: none;
  border-radius: var(--radius);
  font-family: "Poppins", var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-primary-dark) 100%
  );
  color: white;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(139, 92, 246, 0.4);
}

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-background);
  border-color: var(--color-primary);
}

.btn-success {
  background-color: var(--color-success);
  color: white;
}

.btn-success:hover:not(:disabled) {
  background-color: #059669;
  transform: translateY(-2px);
}

.btn-error {
  background-color: var(--color-error);
  color: white;
}

.btn-error:hover:not(:disabled) {
  background-color: #dc2626;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1.125rem;
}

/* Theme Toggle Button */
.theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-xs);
  cursor: pointer;
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  width: 40px;
  height: 40px;
}

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

/* Forms */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--color-text);
}

.form-label.required::after {
  content: " *";
  color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: "Poppins", var(--font-sans);
  font-size: 1rem;
  background-color: var(--color-surface);
  color: var(--color-text);
  transition: all 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--color-error);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-error {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: 0.875rem;
  color: var(--color-error);
}

.form-help {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* Search Bar */
.search-container {
  margin-bottom: var(--spacing-md);
}

.search-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  background-color: var(--color-surface);
  transition: all 0.2s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.1);
}

/* Filters */
.filters {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

/* Book Card */
.book-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.book-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-primary);
}

.book-cover {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-secondary) 100%
  );
}

.book-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.book-author {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
}

.book-meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.book-status {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: var(--spacing-xs);
}

.book-status.read {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
}

.book-status.reading {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--color-accent);
}

.book-status.to-read {
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--color-secondary);
}

.book-actions {
  display: flex;
  gap: var(--spacing-xs);
  margin-top: auto;
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.stat-card {
  background: linear-gradient(
    135deg,
    var(--color-surface) 0%,
    var(--color-background) 100%
  );
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-secondary) 50%,
    var(--color-accent) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

/* Progress Bar */
.progress-container {
  margin-bottom: var(--spacing-lg);
}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.progress-bar {
  width: 100%;
  height: 32px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--color-primary) 0%,
    var(--color-secondary) 50%,
    var(--color-accent) 100%
  );
  transition: width 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 0.875rem;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Alert */
.alert {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius);
  margin-bottom: var(--spacing-md);
  border-left: 4px solid;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.alert-success {
  background-color: rgba(16, 185, 129, 0.1);
  border-color: var(--color-success);
  color: var(--color-success);
}

.alert-error {
  background-color: rgba(239, 68, 68, 0.1);
  border-color: var(--color-error);
  color: var(--color-error);
}

.alert-info {
  background-color: rgba(59, 130, 246, 0.1);
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--spacing-md);
  backdrop-filter: blur(4px);
}

.modal-content {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
}

.modal-title {
  font-size: 1.5rem;
  color: var(--color-text);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text-light);
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  transition: all 0.2s ease;
}

.modal-close:hover {
  background-color: var(--color-background);
  color: var(--color-text);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
}

.empty-state-icon {
  font-size: 4rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.empty-state-title {
  font-size: 1.5rem;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.empty-state-description {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

/* Loading Spinner */
.spinner {
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 0.8s linear infinite;
  margin: var(--spacing-lg) auto;
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .nav-content {
    flex-wrap: wrap;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xs);
  }

  .main-container {
    padding: var(--spacing-md) var(--spacing-sm);
  }

  .hero-title {
    font-size: 2rem;
  }

  .page-title {
    font-size: 2rem;
  }

  h1 {
    font-size: 2rem;
  }
  h2 {
    font-size: 1.75rem;
  }
  h3 {
    font-size: 1.25rem;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .filters {
    flex-direction: column;
  }

  .book-actions {
    flex-direction: column;
  }
}

/* Books Table - Desktop View */
.books-table-container {
  display: none; /* Hidden by default (mobile) */
  overflow-x: auto;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.books-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.books-table thead {
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-secondary) 100%
  );
  color: white;
}

.books-table th {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.books-table tbody tr {
  border-bottom: 1px solid var(--color-border);
  transition: background-color 0.2s ease;
}

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

.books-table tbody tr:last-child {
  border-bottom: none;
}

.books-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text);
  vertical-align: middle;
}

.books-table td strong {
  color: var(--color-text);
  font-weight: 600;
}

.table-notes {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-top: 0.25rem;
  font-style: italic;
}

.table-actions {
  display: flex;
  gap: var(--spacing-xs);
  align-items: center;
}

.btn-icon {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-xs);
  cursor: pointer;
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-icon:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  transform: scale(1.1);
}

.btn-icon-danger:hover {
  background-color: var(--color-error);
  border-color: var(--color-error);
  color: white;
}

/* Books Cards - Mobile View */
.books-cards-container {
  display: block; /* Visible by default (mobile) */
}

/* Media query to show table on large screens and cards on mobile */
@media (min-width: 1024px) {
  .books-table-container {
    display: block; /* Show table on desktop */
  }

  .books-cards-container {
    display: none; /* Hide cards on desktop */
  }
}

@media (max-width: 1023px) {
  .books-table-container {
    display: none; /* Hide table on mobile */
  }

  .books-cards-container {
    display: block; /* Show cards on mobile */
  }
}

/* Print Styles */
@media print {
  .nav-container,
  .btn,
  .book-actions,
  .theme-toggle {
    display: none;
  }

  .main-container {
    max-width: 100%;
  }
}