/**
 * Custom Styles for AI Content Engine Dashboard
 * Version: 1.0 Final
 * Unified & Optimized CSS
 */

/* ========================================
   ROOT VARIABLES
   ======================================== */
:root {
  --animation-duration: 0.3s;
  --border-radius: 8px;
  --toast-z-index: 9999;
  --transition-speed: 0.3s;
}

/* ========================================
   GLOBAL UTILITIES
   ======================================== */

html {
  scroll-behavior: smooth;
}

.btn {
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
}

/* ========================================
   TOAST NOTIFICATIONS
   ======================================== */

.alert.position-fixed {
  z-index: var(--toast-z-index);
  min-width: 300px;
  max-width: 400px;
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
  animation: slideIn var(--animation-duration) ease-out;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ========================================
   LOADING STATES
   ======================================== */

.spinner-border-sm {
  width: 1rem;
  height: 1rem;
  border-width: 0.15em;
}

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

.spinner-border {
  animation: spinner-border 0.75s linear infinite, pulse 2s ease-in-out infinite;
}

.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: 9998;
}

/* ========================================
   SCRIPT PREVIEW STYLING
   ======================================== */

.script-preview {
  background: #f8f9fa;
  border-left: 4px solid var(--tblr-primary);
  padding: 1rem;
  border-radius: var(--border-radius);
  font-family: 'Courier New', monospace;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.script-line {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.script-line.hook {
  font-weight: 600;
  color: var(--tblr-primary);
}

.script-line.cta {
  font-style: italic;
  color: var(--tblr-success);
}

/* ========================================
   QUALITY INDICATORS
   ======================================== */

.quality-indicator {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 0.5rem;
}

.quality-excellent { background: var(--tblr-success); }
.quality-good { background: var(--tblr-info); }
.quality-fair { background: var(--tblr-warning); }
.quality-poor { background: var(--tblr-danger); }

/* ========================================
   CHARTS
   ======================================== */

canvas {
  max-width: 100%;
  height: auto !important;
}

#quality-chart-container,
#source-chart-container {
  position: relative;
  min-height: 300px;
}

/* ========================================
   TABLES
   ======================================== */

.table-vcenter tbody tr {
  transition: background-color var(--transition-speed);
}

.table-vcenter tbody tr:hover {
  background-color: rgba(var(--tblr-primary-rgb), 0.05);
}

.table-actions {
  white-space: nowrap;
}

.table-actions .btn {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
}

.btn-group-sm .btn-icon {
  width: 1.5rem;
  height: 1.5rem;
  padding: 0;
}

/* ========================================
   MODALS
   ======================================== */

.modal.fade .modal-dialog {
  transition: transform 0.3s ease-out;
}

.modal-backdrop {
  backdrop-filter: blur(2px);
}

/* ========================================
   FORMS
   ======================================== */

.form-control:focus,
.form-select:focus {
  box-shadow: 0 0 0 0.25rem rgba(var(--tblr-primary-rgb), 0.15);
}

.form-control.is-invalid,
.form-select.is-invalid {
  background-image: none;
}

.form-selectgroup-item {
  transition: all var(--transition-speed);
}

.form-selectgroup-input:checked + .form-selectgroup-label {
  background-color: rgba(var(--tblr-primary-rgb), 0.1);
  border-color: var(--tblr-primary);
}

/* ========================================
   CARDS
   ======================================== */

.card.card-hover {
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
  cursor: pointer;
}

.card.card-hover:hover {
  transform: translateY(-2px);
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
}

/* ========================================
   NAVIGATION
   ======================================== */

.navbar-nav .nav-item.active .nav-link {
  font-weight: 600;
  background-color: rgba(var(--tblr-primary-rgb), 0.1);
}

.navbar-nav .nav-link {
  transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* ========================================
   BADGES
   ======================================== */

.badge {
  font-weight: 500;
  letter-spacing: 0.025em;
}

.badge.bg-purple {
  background-color: #ae3ec9 !important;
}

.badge.bg-blue {
  background-color: #206bc4 !important;
}

/* ========================================
   PROGRESS BARS
   ======================================== */

.progress-bar {
  transition: width 0.6s ease;
}

.progress-bar-indeterminate {
  animation: progress-indeterminate 1.5s ease-in-out infinite;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(var(--tblr-primary-rgb), 0.5),
    transparent
  );
  background-size: 200% 100%;
}

@keyframes progress-indeterminate {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* ========================================
   EMPTY STATES
   ======================================== */

.empty {
  padding: 3rem 1rem;
}

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--tblr-muted);
}

.empty-icon,
.empty-state-icon {
  font-size: 3rem;
  color: var(--tblr-muted);
  opacity: 0.5;
  margin-bottom: 1rem;
}

/* ========================================
   CODE BLOCKS
   ======================================== */

pre code {
  display: block;
  padding: 1rem;
  background: #f8f9fa;
  border-radius: var(--border-radius);
  overflow-x: auto;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.transition-all {
  transition: all var(--animation-duration) ease;
}

.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;
}

.fade-in {
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.cursor-pointer {
  cursor: pointer;
}

.no-select {
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
}

/* ========================================
   MOBILE RESPONSIVE (max-width: 768px)
   ======================================== */

@media (max-width: 767.98px) {
  .alert.position-fixed {
    left: 1rem;
    right: 1rem;
    min-width: 280px;
    max-width: calc(100vw - 2rem);
    margin: 0.5rem;
  }
  
  .btn-list .btn {
    width: 100%;
    margin-bottom: 0.5rem;
  }
  
  .table-responsive {
    font-size: 0.875rem;
  }
  
  .card-hover:hover {
    transform: none;
  }
  
  .modal-footer {
    flex-direction: column;
  }
  
  .modal-footer .btn {
    width: 100%;
    margin-bottom: 0.5rem;
  }
  
  .modal-footer .btn:last-child {
    margin-bottom: 0;
  }
}

/* ========================================
   TABLET (768px - 992px)
   ======================================== */

@media (min-width: 768px) and (max-width: 991.98px) {
  .row-deck > .col,
  .row-deck > [class*='col-'] {
    margin-bottom: 1rem;
  }
}

/* ========================================
   DARK MODE SUPPORT
   ======================================== */

[data-bs-theme="dark"] {
  --tblr-body-bg: #1a1d2e;
  --tblr-card-bg: #232738;
}

[data-bs-theme="dark"] .table-hover tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select {
  border-color: rgba(255, 255, 255, 0.1);
}

[data-bs-theme="dark"] .modal-content {
  background-color: var(--tblr-card-bg);
}

[data-bs-theme="dark"] .script-preview {
  background: #2d3142;
  border-left-color: var(--tblr-primary);
}

[data-bs-theme="dark"] pre code {
  background: #2d3142;
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

*:focus-visible {
  outline: 2px solid var(--tblr-primary);
  outline-offset: 2px;
}

.skip-to-content {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--tblr-primary);
  color: white;
  padding: 8px;
  text-decoration: none;
  z-index: 10000;
}

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

/* ========================================
   REDUCED MOTION
   ======================================== */

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

/* ========================================
   CUSTOM SCROLLBAR (Desktop only)
   ======================================== */

@media (min-width: 992px) {
  ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
  }
  
  ::-webkit-scrollbar-track {
    background: transparent;
  }
  
  ::-webkit-scrollbar-thumb {
    background: rgba(var(--tblr-muted-rgb), 0.3);
    border-radius: 4px;
  }
  
  ::-webkit-scrollbar-thumb:hover {
    background: rgba(var(--tblr-muted-rgb), 0.5);
  }
  
  [data-bs-theme="dark"] ::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
  }
  
  [data-bs-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
  }
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
  .navbar-vertical,
  .page-header .btn-list,
  .card-actions,
  .btn-group,
  .alert.position-fixed {
    display: none !important;
  }
  
  .page-wrapper {
    margin: 0 !important;
  }
  
  .card {
    box-shadow: none !important;
    border: 1px solid #dee2e6 !important;
  }
  
  .table {
    page-break-inside: avoid;
  }
}