@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

/* Color variables for the app theme - Trust-building color scheme */
:root,
[data-theme="light"] {
  --bg-color: #f8fafc;
  --secondary-bg-color: #ffffff;
  --main-color: #10b981;
  --accent-blue: #3b82f6;
  --accent-green: #10b981;
  --white-color: #ffffff;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --border-color: #e2e8f0;
  --shadow-color: rgba(0, 0, 0, 0.1);
  
  /* Default cover images for books */
  --default-covers: url('https://images.unsplash.com/photo-1544947950-fa07a98d237f?w=200&h=300&fit=crop'),
                    url('https://images.unsplash.com/photo-1589998059171-988d887df646?w=200&h=300&fit=crop'),
                    url('https://images.unsplash.com/photo-1532012197267-da84d127e765?w=200&h=300&fit=crop'),
                    url('https://images.unsplash.com/photo-1541963463532-d68292c34b19?w=200&h=300&fit=crop'),
                    url('https://images.unsplash.com/photo-1495446815901-a7297e633e8d?w=200&h=300&fit=crop');
}

/* Dark mode color variables */
[data-theme="dark"],
.dark-mode {
  --bg-color: #0f172a;
  --secondary-bg-color: #1e293b;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --border-color: #334155;
  --shadow-color: rgba(0, 0, 0, 0.3);
}

/* Dark mode hero section adjustments */
[data-theme="dark"] .hero-section::before,
.dark-mode .hero-section::before {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.8) 0%, rgba(30, 41, 59, 0.8) 50%, rgba(51, 65, 85, 0.8) 100%);
}

/* Force dark theme when data-theme="dark" */
[data-theme="dark"] {
  --bg-color: #0f172a !important;
  --secondary-bg-color: #1e293b !important;
  --text-primary: #f1f5f9 !important;
  --text-secondary: #94a3b8 !important;
  --border-color: #334155 !important;
}

/* Light theme specific overrides */
[data-theme="light"] body,
body:not(.dark-mode) {
  background: var(--bg-color) !important;
  color: var(--text-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Force light theme when data-theme="light" */
[data-theme="light"] {
  --bg-color: #f8fafc !important;
  --secondary-bg-color: #ffffff !important;
  --text-primary: #1e293b !important;
  --text-secondary: #64748b !important;
  --border-color: #e2e8f0 !important;
}

[data-theme="light"] .bg-gray-50,
.bg-gray-50:not(.dark-mode) {
  background-color: var(--bg-color) !important;
  transition: background-color 0.3s ease;
}

[data-theme="light"] .bg-white,
.bg-white:not(.dark-mode) {
  background-color: var(--secondary-bg-color) !important;
  color: var(--text-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
}

[data-theme="light"] .text-gray-800,
.text-gray-800:not(.dark-mode) {
  color: var(--text-primary) !important;
}

[data-theme="light"] .text-gray-700,
.text-gray-700:not(.dark-mode) {
  color: var(--text-secondary) !important;
}

[data-theme="light"] .text-gray-500,
.text-gray-500:not(.dark-mode) {
  color: var(--text-secondary) !important;
}

[data-theme="light"] .border-gray-200,
.border-gray-200:not(.dark-mode) {
  border-color: var(--border-color) !important;
}

[data-theme="light"] input,
[data-theme="light"] select,
input:not(.dark-mode),
select:not(.dark-mode) {
  background-color: var(--secondary-bg-color) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-color) !important;
}

[data-theme="light"] .bookquest-card,
.bookquest-card:not(.dark-mode) {
  background-color: var(--secondary-bg-color) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-color) !important;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

[data-theme="light"] .bookquest-card-title,
.bookquest-card-title:not(.dark-mode) {
  color: var(--text-primary) !important;
}

[data-theme="light"] .bookquest-card-authors,
.bookquest-card-authors:not(.dark-mode) {
  color: var(--text-secondary) !important;
}

[data-theme="light"] .bookquest-card-meta,
.bookquest-card-meta:not(.dark-mode) {
  color: var(--text-secondary) !important;
}

[data-theme="light"] .bookquest-card-desc,
.bookquest-card-desc:not(.dark-mode) {
  color: var(--text-secondary) !important;
}

/* Dark mode specific overrides */
.dark-mode body {
  background: var(--bg-color) !important;
  color: var(--text-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
}

.dark-mode .bg-gray-50 {
  background-color: var(--bg-color) !important;
  transition: background-color 0.3s ease;
}

.dark-mode .bg-white {
  background-color: var(--secondary-bg-color) !important;
  color: var(--text-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
}

.dark-mode .text-gray-800 {
  color: var(--text-primary) !important;
}

.dark-mode .text-gray-700 {
  color: var(--text-secondary) !important;
}

.dark-mode .text-gray-500 {
  color: var(--text-secondary) !important;
}

.dark-mode .border-gray-200 {
  border-color: var(--border-color) !important;
}

.dark-mode .bg-gray-50 {
  background-color: var(--secondary-bg-color) !important;
}

.dark-mode input,
.dark-mode select {
  background-color: var(--secondary-bg-color) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-color) !important;
}

.dark-mode .bookquest-card {
  background-color: var(--secondary-bg-color) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-color) !important;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.dark-mode .bookquest-card-title {
  color: var(--text-primary) !important;
}

.dark-mode .bookquest-card-authors {
  color: var(--text-secondary) !important;
}

.dark-mode .bookquest-card-meta {
  color: var(--text-secondary) !important;
}

.dark-mode .bookquest-card-desc {
  color: var(--text-secondary) !important;
}

/* Light theme health content styling */
[data-theme="light"] .bg-gradient-to-r.from-blue-50.to-green-50,
.bg-gradient-to-r.from-blue-50.to-green-50:not(.dark-mode) {
  background: linear-gradient(to right, #eff6ff, #f0fdf4) !important;
  border-color: #dbeafe !important;
}

[data-theme="light"] .bg-white.rounded-lg,
.bg-white.rounded-lg:not(.dark-mode) {
  background-color: #ffffff !important;
  border-color: #dbeafe !important;
}

[data-theme="light"] .text-blue-800,
.text-blue-800:not(.dark-mode) {
  color: #1e40af !important;
}

[data-theme="light"] .text-blue-700,
.text-blue-700:not(.dark-mode) {
  color: #1d4ed8 !important;
}

[data-theme="light"] .text-blue-900,
.text-blue-900:not(.dark-mode) {
  color: #1e3a8a !important;
}

/* Light theme form elements */
[data-theme="light"] .bookquest-select,
[data-theme="light"] .bookquest-input,
.bookquest-select:not(.dark-mode),
.bookquest-input:not(.dark-mode) {
  background-color: #ffffff !important;
  color: #1e293b !important;
  border-color: #e2e8f0 !important;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

[data-theme="light"] .bookquest-select:focus,
[data-theme="light"] .bookquest-input:focus,
.bookquest-select:focus:not(.dark-mode),
.bookquest-input:focus:not(.dark-mode) {
  border-color: var(--main-color) !important;
  box-shadow: 0 0 0 2px var(--main-color) !important;
}

/* Dark mode health content styling */
.dark-mode .bg-gradient-to-r.from-blue-50.to-green-50 {
  background: linear-gradient(to right, var(--secondary-bg-color), var(--bg-color)) !important;
  border-color: var(--border-color) !important;
}

.dark-mode .bg-white.rounded-lg {
  background-color: var(--secondary-bg-color) !important;
  border-color: var(--border-color) !important;
}

.dark-mode .text-blue-800 {
  color: var(--text-primary) !important;
}

.dark-mode .text-blue-700 {
  color: var(--text-secondary) !important;
}

.dark-mode .text-blue-900 {
  color: var(--text-primary) !important;
}

/* Dark mode form elements */
.dark-mode .bookquest-select,
.dark-mode .bookquest-input {
  background-color: var(--secondary-bg-color) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-color) !important;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.dark-mode .bookquest-select:focus,
.dark-mode .bookquest-input:focus {
  border-color: var(--main-color) !important;
  box-shadow: 0 0 0 2px var(--main-color) !important;
}

/* Theme transition for smooth switching */
.theme-transition,
.theme-transition *,
.theme-transition *:before,
.theme-transition *:after {
  transition: all 0.3s ease !important;
}

/* Set default background and text colors */
body, html {
  background: var(--bg-color) !important;
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Hero section styling */
.hero-section {
  background: linear-gradient(135deg, #1e3a8a 0%, #7c3aed 50%, #3730a3 100%);
  color: white;
  position: relative;
  overflow: hidden;
  min-height: 400px;
}

/* Add overlay for better text readability over the book background */
.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(30, 58, 138, 0.7) 0%, rgba(124, 58, 237, 0.7) 50%, rgba(55, 48, 163, 0.7) 100%);
  z-index: 1;
}

.hero-background {
  background: linear-gradient(135deg, #1e3a8a 0%, #7c3aed 50%, #3730a3 100%);
  background-image: url('/books-background.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.9;
  z-index: 0;
  min-height: 400px;
  width: 100%;
  height: 100%;
}

/* Header styling with dark background */
.bookquest-header {
  background: var(--bg-color);
  box-shadow: 0 2px 12px 0 rgba(31,36,45,0.12);
}
.bookquest-header-wave {
  background: url('data:image/svg+xml;utf8,<svg width="100%" height="48" viewBox="0 0 1440 48" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M0 24C360 48 1080 0 1440 24V48H0V24Z" fill="%2323242d"/></svg>') no-repeat bottom center/cover;
}

/* Search bar and filter controls styling */
.bookquest-searchbar, .bookquest-filters {
  background: var(--secondary-bg-color);
  color: var(--white-color);
}
.bookquest-select, .bookquest-input {
  background: var(--bg-color);
  color: var(--white-color);
  border-color: var(--main-color);
}
.bookquest-select:focus, .bookquest-input:focus {
  border-color: var(--main-color);
  box-shadow: 0 0 0 2px var(--main-color);
}

/* Button styling for search, filter, and other actions */
.bookquest-btn-search, .bookquest-btn-filter {
  background: var(--main-color);
  color: var(--bg-color);
  border: 2px solid var(--main-color);
  box-shadow: 0 0 1rem var(--main-color);
}
.bookquest-btn-search:hover, .bookquest-btn-filter:hover {
  background: transparent;
  color: var(--main-color);
  box-shadow: none;
}
.bookquest-btn-clear {
  background: var(--disabled-color);
  color: var(--bg-color);
  border: 2px solid var(--main-color);
}
.bookquest-btn-clear:hover {
  background: var(--main-color);
  color: var(--bg-color);
}

/* Back to top button styling */
.bookquest-backtotop {
  background: var(--main-color);
  color: var(--bg-color);
}
.bookquest-backtotop:hover {
  background: var(--white-color);
  color: var(--main-color);
}

/* Book card styling */
.bookquest-card {
  background: white;
  color: #374151;
  border: 1px solid #e5e7eb;
  border-radius: 16px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
  overflow: hidden;
  break-inside: avoid;
}

.bookquest-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.bookquest-card .bookquest-card-title {
  color: #1f2937;
  font-weight: 600;
}

.bookquest-card .bookquest-card-author {
  color: #6b7280;
}

.bookquest-card .bx {
  color: #10b981 !important;
}
.bookquest-card .bookquest-card-title {
  color: var(--main-color);
}
.bookquest-card .bx {
  color: var(--main-color) !important;
}

/* Toast Notification System */
.toast {
  background: white;
  color: #1f2937;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 16px 20px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(10px);
  transform: translateX(100%);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: auto;
  position: relative;
  overflow: hidden;
  min-width: 280px;
  max-width: 400px;
}

.toast.show {
  transform: translateX(0);
  opacity: 1;
}

.toast.success {
  border-left: 4px solid #10b981;
  background: linear-gradient(135deg, #f0fdf4 0%, #ffffff 100%);
}

.toast.error {
  border-left: 4px solid #ef4444;
  background: linear-gradient(135deg, #fef2f2 0%, #ffffff 100%);
}

.toast.info {
  border-left: 4px solid #3b82f6;
  background: linear-gradient(135deg, #eff6ff 0%, #ffffff 100%);
}

.toast.warning {
  border-left: 4px solid #f59e0b;
  background: linear-gradient(135deg, #fffbeb 0%, #ffffff 100%);
}

.toast-content {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.toast-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 14px;
}

.toast.success .toast-icon {
  background: #10b981;
  color: white;
}

.toast.error .toast-icon {
  background: #ef4444;
  color: white;
}

.toast.info .toast-icon {
  background: #3b82f6;
  color: white;
}

.toast.warning .toast-icon {
  background: #f59e0b;
  color: white;
}

.toast-message {
  flex: 1;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  color: #374151;
}

.toast-close {
  flex-shrink: 0;
  background: none;
  border: none;
  color: #9ca3af;
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  transition: all 0.2s;
  font-size: 16px;
}

.toast-close:hover {
  background: #f3f4f6;
  color: #6b7280;
}

/* Dark mode support for toasts */
html.dark .toast {
  background: #1f2937;
  color: #f9fafb;
  border-color: #374151;
}

html.dark .toast.success {
  background: linear-gradient(135deg, #064e3b 0%, #1f2937 100%);
}

html.dark .toast.error {
  background: linear-gradient(135deg, #7f1d1d 0%, #1f2937 100%);
}

html.dark .toast.info {
  background: linear-gradient(135deg, #1e3a8a 0%, #1f2937 100%);
}

html.dark .toast.warning {
  background: linear-gradient(135deg, #78350f 0%, #1f2937 100%);
}

html.dark .toast-message {
  color: #f9fafb;
}

html.dark .toast-close:hover {
  background: #374151;
  color: #d1d5db;
}

/* Modal styling improvements */
#modal-overlay {
  backdrop-filter: blur(4px);
}

#modal-box {
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

#modal-box.show {
  transform: scale(1) !important;
  opacity: 1 !important;
}

/* Responsive toast positioning */
@media (max-width: 640px) {
  #toast-container {
    top: 1rem;
    right: 1rem;
    left: 1rem;
    max-width: none;
  }
  
  .toast {
    min-width: auto;
    max-width: none;
  }
}

/* Enhanced responsive design improvements */
@media (max-width: 1024px) {
  .bookquest-results {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .bookquest-filters {
    flex-wrap: wrap;
  }
}

@media (max-width: 768px) {
  .bookquest-results {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .bookquest-searchbar {
    flex-direction: column;
  }
  
  .bookquest-btn-search {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .bookquest-results {
    grid-template-columns: 1fr;
  }
  
  .bookquest-header h1 {
    font-size: 1.5rem;
  }
  
  .bookquest-slider-slide {
    min-width: 100px;
  }
  
  .bookquest-card-img img {
    height: 180px;
  }
}

/* Touch target sizes for mobile accessibility */
button, .bookquest-collect-toggle {
  min-width: 44px;
  min-height: 44px;
}

/* Enhanced responsive design and accessibility */
@media (max-width: 1200px) {
  .bookquest-results {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1024px) {
  .bookquest-results {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .bookquest-filters {
    flex-direction: column;
    gap: 1rem;
  }
  
  .hero-section {
    min-height: 300px;
  }
  
  .hero-section h1 {
    font-size: 2.5rem;
  }
}

@media (max-width: 768px) {
  .bookquest-results {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .bookquest-searchbar {
    flex-direction: column;
    gap: 1rem;
  }
  
  .bookquest-btn-search {
    width: 100%;
    min-height: 48px; /* Large touch target */
  }
  
  .hero-section {
    min-height: 250px;
    padding: 2rem 1rem;
  }
  
  .hero-section h1 {
    font-size: 2rem;
  }
  
  .hero-background {
    background-position: center center;
  }
  
  .bookquest-card {
    min-height: 400px;
  }
  
  /* Improve touch targets on mobile */
  button, .bookquest-collect-toggle {
    min-height: 44px;
    min-width: 44px;
  }
}

@media (max-width: 480px) {
  .bookquest-results {
    grid-template-columns: 1fr;
  }
  
  .hero-section h1 {
    font-size: 1.75rem;
  }
  
  .bookquest-slider-slide {
    min-width: 180px;
  }
  
  .bookquest-card-img img {
    height: 180px;
  }
  
  .bookquest-card {
    min-height: 350px;
  }
  
  /* Ensure all interactive elements are accessible */
  input, select, button {
    font-size: 16px; /* Prevents zoom on iOS */
  }
}

/* Accessibility improvements */
.bookquest-card:focus-within {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}

button:focus,
input:focus,
select:focus {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
  border-radius: 4px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --border-color: #000000;
    --text-secondary: #000000;
  }
  
  .bookquest-card {
    border: 2px solid var(--border-color);
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Large touch targets for better accessibility */
.bookquest-collect-toggle {
  min-width: 48px;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Improved focus indicators */
.bookquest-card button:focus {
  box-shadow: 0 0 0 3px var(--accent-blue);
  border-radius: 50%;
}

/* Screen reader only text */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Theme toggle button styling with smooth animations */
.bookquest-dark-toggle {
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.bookquest-dark-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.bookquest-dark-toggle i {
  transition: all 0.3s ease;
}

.bookquest-dark-toggle:hover i {
  transform: rotate(180deg);
}

/* Theme toggle ripple effect */
.bookquest-dark-toggle::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.3s ease, height 0.3s ease;
}

.bookquest-dark-toggle:active::before {
  width: 100px;
  height: 100px;
}