/* 
 * AGC AI Document Search Interface
 * Custom CSS Styles
 */

/* Custom Properties / Variables */
:root {
  /* Color Palette - Based on AGC/Government Standards */
  --color-primary: #1e40af; /* Government Blue */
  --color-primary-light: #3b82f6;
  --color-primary-dark: #1e3a8a;

  --color-secondary: #d97706; /* Gold/Amber */
  --color-secondary-light: #f59e0b;
  --color-secondary-dark: #b45309;

  --color-success: #059669;
  --color-warning: #d97706;
  --color-error: #dc2626;

  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* Enhanced Color Palette for Government Theme */
  --color-navy-50: #f0f5fa;
  --color-navy-100: #dbe6f3;
  --color-navy-200: #b9cee6;
  --color-navy-300: #8eaed3;
  --color-navy-400: #6085bb;
  --color-navy-500: #4065a2;
  --color-navy-600: #355088;
  --color-navy-700: #2c4272;
  --color-navy-800: #24365c;
  --color-navy-900: #1e2d4c;

  --color-gold-50: #fefaeb;
  --color-gold-100: #fdf1c7;
  --color-gold-200: #fbe28a;
  --color-gold-300: #f8cb47;
  --color-gold-400: #f6b412;
  --color-gold-500: #e29807;
  --color-gold-600: #c07805;
  --color-gold-700: #965709;
  --color-gold-800: #7a4010;
  --color-gold-900: #653310;

  /* Typography */
  --font-family-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-family-mono: "Fira Code", monospace;
  --font-size-xs: 0.75rem; /* 12px */
  --font-size-sm: 0.875rem; /* 14px */
  --font-size-base: 1rem; /* 16px */
  --font-size-lg: 1.125rem; /* 18px */
  --font-size-xl: 1.25rem; /* 20px */
  --font-size-2xl: 1.5rem; /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem; /* 36px */

  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  /* Border Radius */
  --border-radius-sm: 0.125rem;
  --border-radius-md: 0.25rem;
  --border-radius-lg: 0.5rem;
  --border-radius-xl: 0.75rem;
  --border-radius-2xl: 1rem;
  --border-radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-bounce: 300ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-in-out: 300ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --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);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  --shadow-outline: 0 0 0 3px rgba(59, 130, 246, 0.5);
  --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.08);
}

/* Base Styles */
html {
  scroll-behavior: smooth;
  font-size: 16px; /* Base font size */
}

body {
  font-family: var(--font-family-sans);
  line-height: var(--line-height-normal);
  color: var(--color-gray-900);
  background-color: var(--color-gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography Enhancements */
h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: var(--line-height-tight);
  font-weight: 600;
  margin-bottom: 0.5em;
  color: var(--color-navy-800);
}

h1 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
}

h2 {
  font-size: var(--font-size-2xl);
}

h3 {
  font-size: var(--font-size-xl);
}

h4 {
  font-size: var(--font-size-lg);
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* Custom Focus States */
:focus {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

/* Enhanced focus style for interactive elements */
button:focus,
input:focus,
select:focus,
textarea:focus {
  outline: none;
  box-shadow: var(--shadow-outline);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--color-gray-400);
  border-radius: 4px;
  transition: background var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-gray-500);
}

/* Utilities */
.line-clamp-1 {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

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

/* Enhanced Custom Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

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

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

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

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

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

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Animation Classes */
.animate-fade-in {
  animation: fadeIn var(--transition-normal);
}

.animate-fade-in-up {
  animation: fadeInUp var(--transition-normal);
}

.animate-fade-in-down {
  animation: fadeInDown var(--transition-normal);
}

.animate-fade-in-left {
  animation: fadeInLeft var(--transition-normal);
}

.animate-fade-in-right {
  animation: fadeInRight var(--transition-normal);
}

.animate-slide-up {
  animation: slideUp var(--transition-normal);
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-spin {
  animation: spin 1s linear infinite;
}

.animate-bounce {
  animation: bounce 1s ease infinite;
}

.animate-delay-100 {
  animation-delay: 100ms;
}

.animate-delay-200 {
  animation-delay: 200ms;
}

.animate-delay-300 {
  animation-delay: 300ms;
}

.animate-delay-500 {
  animation-delay: 500ms;
}

/* Enhanced Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  font-weight: 500;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
  cursor: pointer;
  border: none;
  line-height: 1.5;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background-color: var(--color-secondary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--color-gray-300);
  color: var(--color-gray-700);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: var(--color-gray-50);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-gray-700);
}

.btn-ghost:hover {
  background-color: var(--color-gray-100);
  color: var(--color-gray-900);
}

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-lg);
}

.btn-icon {
  padding: 0.5rem;
  border-radius: var(--border-radius-full);
}

.btn:focus,
.btn:active {
  outline: none;
  box-shadow: var(--shadow-outline);
  transform: scale(0.98);
}

.btn-disabled,
.btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Enhanced Card Styles */
.card {
  background-color: white;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: transform var(--transition-normal),
    box-shadow var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

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

.card-interactive {
  cursor: pointer;
}

.card-header {
  padding: 1rem;
  border-bottom: 1px solid var(--color-gray-200);
}

.card-body {
  padding: 1rem;
}

.card-footer {
  padding: 1rem;
  border-top: 1px solid var(--color-gray-200);
}

/* Enhanced Form Controls */
.form-control {
  display: block;
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--color-gray-900);
  background-color: white;
  background-clip: padding-box;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--border-radius-md);
  transition: border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-outline);
}

.form-control::placeholder {
  color: var(--color-gray-400);
}

.form-control-sm {
  padding: 0.25rem 0.5rem;
  font-size: var(--font-size-sm);
}

.form-control-lg {
  padding: 0.75rem 1rem;
  font-size: var(--font-size-lg);
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--color-gray-700);
}

.form-group {
  margin-bottom: 1rem;
}

/* Custom Media Queries */
@media (max-width: 640px) {
  .container {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }

  h1 {
    font-size: var(--font-size-2xl);
  }

  h2 {
    font-size: var(--font-size-xl);
  }
}

/* Dark Mode Support - For future implementation */
@media (prefers-color-scheme: dark) {
  :root {
    /* Dark mode variables would go here */
  }
}

/* Badge Component */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.5rem;
  font-size: var(--font-size-xs);
  font-weight: 500;
  line-height: 1;
  border-radius: var(--border-radius-full);
  text-transform: uppercase;
}

.badge-primary {
  background-color: var(--color-primary-light);
  color: white;
}

.badge-secondary {
  background-color: var(--color-secondary-light);
  color: white;
}

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

.badge-warning {
  background-color: var(--color-warning);
  color: white;
}

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

.badge-outline {
  background-color: transparent;
  border: 1px solid currentColor;
}

/* Document Card Styles - Enhanced */
.document-card {
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  transition: box-shadow var(--transition-normal),
    transform var(--transition-normal);
  background-color: white;
  position: relative;
  overflow: hidden;
}

.document-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background-color: var(--color-primary);
  transition: width var(--transition-normal);
}

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

.document-card:hover::before {
  width: 100%;
}

/* Document Tag Styles - Enhanced */
.document-tag {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-xs);
  font-weight: 500;
  margin-bottom: 0.5rem;
  letter-spacing: 0.025em;
}

.document-tag-lkk {
  background-color: var(--color-navy-100);
  color: var(--color-navy-800);
}

.document-tag-legal {
  background-color: #dcfce7;
  color: #166534;
}

.document-tag-criminal {
  background-color: #fee2e2;
  color: #b91c1c;
}

/* Chat Message Styles - Enhanced */
.chat-message {
  max-width: 75%;
  margin-bottom: 1rem;
  position: relative;
}

.chat-message-user {
  margin-left: auto;
  background-color: var(--color-primary-light);
  color: white;
  border-radius: 1.25rem 1.25rem 0.25rem 1.25rem;
  padding: 0.75rem 1rem;
  box-shadow: var(--shadow-sm);
}

.chat-message-bot {
  margin-right: auto;
  background-color: var(--color-navy-100);
  color: var(--color-navy-800);
  border-radius: 0.25rem 1.25rem 1.25rem 1.25rem;
  padding: 0.75rem 1rem;
  box-shadow: var(--shadow-sm);
}

/* Skeleton Loading States - Enhanced */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-gray-200) 25%,
    var(--color-gray-300) 37%,
    var(--color-gray-200) 63%
  );
  background-size: 400% 100%;
  animation: skeleton-loading 1.4s ease infinite;
  border-radius: var(--border-radius-md);
}

.skeleton-text {
  height: 1rem;
  margin-bottom: 0.5rem;
  width: 100%;
}

.skeleton-text:last-child {
  width: 80%;
}

.skeleton-circle {
  height: 2.5rem;
  width: 2.5rem;
  border-radius: 50%;
}

.skeleton-square {
  height: 2.5rem;
  width: 2.5rem;
}

.skeleton-button {
  height: 2.5rem;
  width: 8rem;
  border-radius: var(--border-radius-md);
}

.skeleton-card {
  height: 12rem;
  width: 100%;
  border-radius: var(--border-radius-lg);
}

@keyframes skeleton-loading {
  0% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0 50%;
  }
}

/* Enhanced Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background-color: var(--color-gray-800);
  color: white;
  padding: 0.75rem 1rem;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  max-width: 24rem;
  animation: fadeInUp var(--transition-normal);
}

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

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

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

.toast-info {
  background-color: var(--color-primary);
}

/* Print Styles */
@media print {
  header,
  footer,
  .no-print {
    display: none;
  }

  body {
    background-color: white;
  }

  .container {
    width: 100%;
    max-width: none;
    padding: 0;
  }

  a {
    text-decoration: none;
    color: var(--color-gray-900);
  }

  .card,
  .document-card {
    box-shadow: none;
    border: 1px solid var(--color-gray-300);
  }
}

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

.skip-to-content {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: 8px;
  z-index: 100;
  transition: top 0.2s;
}

.skip-to-content:focus {
  top: 0;
}

/* Custom Components - Data Visualization */
.stat-card {
  background-color: white;
  padding: 1.5rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal),
    box-shadow var(--transition-normal);
}

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

.stat-value {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-navy-800);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-label {
  color: var(--color-gray-500);
  font-size: var(--font-size-sm);
}

.stat-change {
  display: flex;
  align-items: center;
  font-size: var(--font-size-sm);
  margin-top: 0.5rem;
}

.stat-change-positive {
  color: var(--color-success);
}

.stat-change-negative {
  color: var(--color-error);
}

/* Tabs Component */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--color-gray-200);
  margin-bottom: 1rem;
}

.tab {
  padding: 0.75rem 1rem;
  font-weight: 500;
  color: var(--color-gray-600);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-normal);
}

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

.tab-active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-content {
  display: none;
}

.tab-content-active {
  display: block;
  animation: fadeIn var(--transition-normal);
}

/* Dropdown Component */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-toggle {
  cursor: pointer;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 10;
  min-width: 10rem;
  padding: 0.5rem 0;
  margin-top: 0.5rem;
  background-color: white;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  display: none;
  animation: fadeInDown var(--transition-normal);
}

.dropdown-menu-right {
  left: auto;
  right: 0;
}

.dropdown-item {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--color-gray-700);
  transition: background-color var(--transition-fast);
}

.dropdown-item:hover {
  background-color: var(--color-gray-100);
  color: var(--color-gray-900);
}

.dropdown:hover .dropdown-menu,
.dropdown.active .dropdown-menu {
  display: block;
}

/* Tooltip Component */
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip-text {
  visibility: hidden;
  position: absolute;
  z-index: 20;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-gray-800);
  color: white;
  text-align: center;
  padding: 0.5rem;
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-xs);
  white-space: nowrap;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.tooltip-text::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: var(--color-gray-800) transparent transparent transparent;
}

.tooltip:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

/* API Error Display */
.api-error {
  max-width: 600px;
  margin: 2rem auto;
  padding: 2rem;
  background-color: #fff;
  border-radius: var(--radius);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.api-error h2 {
  color: var(--danger);
  margin-bottom: 1rem;
}

.error-details {
  background-color: #f8f9fa;
  padding: 1.5rem;
  border-radius: var(--radius);
  margin-top: 1rem;
  text-align: left;
}

.error-details ul {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.error-details li {
  margin-bottom: 0.5rem;
}

.error-details button {
  margin-top: 1rem;
}

/* Documents Container */
.documents-container {
  min-height: 200px;
  padding: 1rem 0;
}

/* Error message */
.error-message {
  background-color: #fef2f2;
  border: 1px solid #fee2e2;
  color: #b91c1c;
  padding: 1rem;
  border-radius: var(--radius);
  margin: 1rem 0;
}

.error-message p {
  margin: 0.5rem 0;
}

.error-details {
  font-family: monospace;
  font-size: 0.85rem;
  margin-top: 0.5rem;
  padding: 0.5rem;
  background-color: #fff;
  border-radius: 0.25rem;
  overflow-x: auto;
}

/* Search Results */
.search-results-section {
  margin-top: 2rem;
  display: none;
}

.search-results-container {
  min-height: 200px;
  padding: 1rem 0;
}

/* Tab content visibility */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Fix for search results section */
.search-results-section.active {
  display: block;
}