/* ============================================================================
   MISTRAL OCR - Modern CSS Design System
   ============================================================================ */

/* CSS Variables - Design Tokens */
:root {
  /* Colors - Premium Dark Theme */
  --color-bg-primary: #0a0a0f;
  --color-bg-secondary: #12121a;
  --color-bg-tertiary: #1a1a25;
  --color-bg-card: rgba(26, 26, 37, 0.7);
  --color-bg-card-hover: rgba(35, 35, 50, 0.8);

  /* Accent Colors - Mistral Orange/Gold */
  --color-accent-primary: #ff6b35;
  --color-accent-secondary: #ff8c5a;
  --color-accent-tertiary: #ffa07a;
  --color-accent-glow: rgba(255, 107, 53, 0.3);

  /* Gradient Accents */
  --gradient-primary: linear-gradient(
    135deg,
    #ff6b35 0%,
    #ff8c5a 50%,
    #ffd93d 100%
  );
  --gradient-secondary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-glass: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0.05) 100%
  );
  --gradient-dark: linear-gradient(180deg, #0a0a0f 0%, #12121a 100%);

  /* Text Colors */
  --color-text-primary: #ffffff;
  --color-text-secondary: #a0a0b0;
  --color-text-muted: #6a6a7a;
  --color-text-accent: #ff8c5a;

  /* Status Colors */
  --color-success: #4ade80;
  --color-error: #f87171;
  --color-warning: #fbbf24;
  --color-info: #60a5fa;

  /* Borders & Shadows */
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(255, 255, 255, 0.15);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px var(--color-accent-glow);

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

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Typography */
  --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

/* ============================================================================
   BASE STYLES
   ============================================================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--gradient-dark);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Background Pattern */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(
      circle at 20% 20%,
      rgba(255, 107, 53, 0.08) 0%,
      transparent 40%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(102, 126, 234, 0.08) 0%,
      transparent 40%
    );
  pointer-events: none;
  z-index: -1;
}

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

a:hover {
  color: var(--color-accent-tertiary);
}

/* ============================================================================
   NAVBAR
   ============================================================================ */

.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
}

.brand-icon {
  font-size: 1.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
  color: var(--color-accent-primary);
  background: rgba(255, 107, 53, 0.1);
}

.nav-icon {
  font-size: 1.1rem;
}

.nav-divider {
  width: 1px;
  height: 24px;
  background: var(--border-color);
  margin: 0 var(--space-sm);
}

.nav-link-logout {
  color: var(--color-error);
  min-width: 40px;
  justify-content: center;
}

.nav-link-logout .nav-icon {
  font-size: 1.3rem;
  margin: 0;
}

.nav-link-logout:hover {
  background: rgba(248, 113, 113, 0.1);
  color: var(--color-error);
}

.user-info {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.user-avatar {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.user-name {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* ============================================================================
   MAIN CONTENT
   ============================================================================ */

.main-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-xl);
  min-height: calc(100vh - 180px);
}

/* ============================================================================
   FLASH MESSAGES
   ============================================================================ */

.flash-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.flash-message {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  border-left: 4px solid;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.flash-success {
  border-color: var(--color-success);
  background: rgba(74, 222, 128, 0.1);
}

.flash-error {
  border-color: var(--color-error);
  background: rgba(248, 113, 113, 0.1);
}

.flash-info {
  border-color: var(--color-info);
  background: rgba(96, 165, 250, 0.1);
}

.flash-icon {
  font-size: var(--font-size-lg);
}

.flash-close {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: var(--font-size-xl);
  line-height: 1;
  transition: color var(--transition-fast);
}

.flash-close:hover {
  color: var(--color-text-primary);
}

/* ============================================================================
   BUTTONS
   ============================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 500;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #0a0a0f;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px var(--color-accent-glow);
  color: #0a0a0f;
}

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

.btn-secondary:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--border-color-hover);
  color: var(--color-text-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-primary);
}

.btn-sm {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--space-lg) var(--space-2xl);
  font-size: var(--font-size-lg);
}

.btn-full {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

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

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  backdrop-filter: blur(10px);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--border-color-hover);
  background: var(--color-bg-card-hover);
}

.card-header {
  margin-bottom: var(--space-lg);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.card-subtitle {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.card-glass {
  background: var(--gradient-glass);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.form-input {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background: var(--color-bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

.form-hint {
  margin-top: var(--space-xs);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* ============================================================================
   FILE UPLOAD
   ============================================================================ */

.file-upload {
  position: relative;
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-3xl);
  text-align: center;
  transition: all var(--transition-base);
  cursor: pointer;
  background: var(--color-bg-secondary);
}

.file-upload:hover {
  border-color: var(--color-accent-primary);
  background: rgba(255, 107, 53, 0.03);
}

.file-upload.dragover {
  border-color: var(--color-accent-primary);
  background: rgba(255, 107, 53, 0.08);
  box-shadow: var(--shadow-glow);
}

.file-upload-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.file-upload-icon {
  font-size: 4rem;
  margin-bottom: var(--space-md);
  opacity: 0.6;
}

.file-upload-text {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.file-upload-hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.file-upload-name {
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  color: var(--color-accent-secondary);
}

/* ============================================================================
   STATS GRID
   ============================================================================ */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.stat-card {
  background: var(--color-bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0.8;
}

.stat-icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
  opacity: 0.8;
}

.stat-value {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

/* ============================================================================
   RESULTS
   ============================================================================ */

.result-container {
  margin-top: var(--space-2xl);
}

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

.result-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--radius-full);
}

.badge-cache {
  background: rgba(74, 222, 128, 0.15);
  color: var(--color-success);
}

.badge-new {
  background: rgba(255, 107, 53, 0.15);
  color: var(--color-accent-primary);
}

.badge-advanced {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm, 4px);
  font-size: var(--font-size-xs, 0.75rem);
  font-weight: 500;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: white;
}

.badge-beta {
  display: inline-block;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 700;
  background: var(--color-warning);
  color: #0a0a0f;
  text-transform: uppercase;
  margin-left: 6px;
  vertical-align: middle;
  line-height: 1;
}

/* OCR Mode Selector */
.ocr-mode-selector {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.mode-option {
  flex: 1;
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.mode-option:has(input:checked) {
  border-color: var(--color-accent-primary);
  background: rgba(255, 107, 53, 0.06);
}

.mode-label {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mode-option strong {
  display: block;
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
}

.mode-option small {
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
}

.mode-option input[type="radio"] {
  margin-top: 3px;
  accent-color: var(--color-accent-primary);
  flex-shrink: 0;
}

.result-content {
  background: var(--color-bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  max-height: 600px;
  overflow-y: auto;
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: var(--font-size-sm);
  line-height: 1.8;
  white-space: pre-wrap;
}

.result-content::-webkit-scrollbar {
  width: 8px;
}

.result-content::-webkit-scrollbar-track {
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
}

.result-content::-webkit-scrollbar-thumb {
  background: var(--color-text-muted);
  border-radius: var(--radius-sm);
}

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

.table-container {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
}

th {
  background: var(--color-bg-tertiary);
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

td {
  border-top: 1px solid var(--border-color);
  font-size: var(--font-size-sm);
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* ============================================================================
   PAGINATION
   ============================================================================ */

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-2xl);
}

.pagination-btn {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
  background: var(--color-bg-card-hover);
  color: var(--color-text-primary);
}

.pagination-btn.active {
  background: var(--color-accent-primary);
  color: #0a0a0f;
  border-color: var(--color-accent-primary);
}

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

/* ============================================================================
   HERO SECTION
   ============================================================================ */

.hero {
  text-align: center;
  padding: var(--space-3xl) 0;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-lg);
}

.hero-title-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
}

.hero-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.feature-card {
  padding: var(--space-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  text-align: left;
  transition: all var(--transition-base);
}

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

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 107, 53, 0.1);
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.feature-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.feature-description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* ============================================================================
   AUTH PAGES
   ============================================================================ */

.auth-container {
  max-width: 420px;
  margin: var(--space-2xl) auto;
}

.auth-card {
  background: var(--color-bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
}

.auth-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.auth-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.auth-subtitle {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.auth-footer {
  text-align: center;
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-color);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* ============================================================================
   SETTINGS PAGE
   ============================================================================ */

.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-xl);
}

.settings-section {
  background: var(--color-bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.settings-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.api-key-display {
  font-family: monospace;
  font-size: var(--font-size-sm);
  padding: var(--space-md);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  word-break: break-all;
}

.api-key-mask {
  color: var(--color-text-muted);
}

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

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-bg-tertiary);
  border-top-color: var(--color-accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.loading-text {
  margin-left: var(--space-md);
  color: var(--color-text-secondary);
}

/* ============================================================================
   OCR LOADING OVERLAY
   ============================================================================ */

.ocr-loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(16px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.ocr-loading-overlay.active {
  opacity: 1;
  visibility: visible;
}

.ocr-loading-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
  padding: var(--space-3xl) var(--space-3xl);
  background: var(--color-bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg), 0 0 60px rgba(255, 107, 53, 0.1);
  max-width: 420px;
  width: 90%;
  text-align: center;
  animation: loadingCardIn 0.5s ease forwards;
}

@keyframes loadingCardIn {
  from {
    opacity: 0;
    transform: scale(0.92) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.ocr-loading-icon {
  position: relative;
  width: 80px;
  height: 80px;
}

.ocr-loading-icon-ring {
  position: absolute;
  inset: 0;
  border: 3px solid rgba(255, 107, 53, 0.15);
  border-top-color: var(--color-accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.ocr-loading-icon-ring:nth-child(2) {
  inset: 8px;
  border-top-color: var(--color-accent-secondary);
  animation-direction: reverse;
  animation-duration: 1.5s;
}

.ocr-loading-icon-center {
  position: absolute;
  inset: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--color-accent-primary);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}

.ocr-loading-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text-primary);
}

.ocr-loading-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: calc(-1 * var(--space-sm));
}

.ocr-loading-progress {
  width: 100%;
  height: 4px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.ocr-loading-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  animation: indeterminateProgress 2s ease-in-out infinite;
}

@keyframes indeterminateProgress {
  0% { width: 0%; margin-left: 0; }
  50% { width: 60%; margin-left: 20%; }
  100% { width: 0%; margin-left: 100%; }
}

.ocr-loading-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  width: 100%;
}

.ocr-loading-step {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  transition: all 0.4s ease;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
}

.ocr-loading-step.active {
  color: var(--color-accent-secondary);
  background: rgba(255, 107, 53, 0.05);
}

.ocr-loading-step.done {
  color: var(--color-success);
}

.ocr-loading-step-icon {
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

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

.toast-container {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  z-index: 10000;
  display: flex;
  flex-direction: column-reverse;
  gap: var(--space-sm);
  pointer-events: none;
}

.toast {
  pointer-events: all;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  min-width: 320px;
  max-width: 440px;
  background: rgba(26, 26, 37, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.toast.toast-removing {
  animation: toastOut 0.3s ease forwards;
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateX(40px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

@keyframes toastOut {
  from {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateX(40px) scale(0.96);
  }
}

.toast-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.toast-success .toast-icon {
  background: rgba(74, 222, 128, 0.15);
  color: var(--color-success);
}

.toast-error .toast-icon {
  background: rgba(248, 113, 113, 0.15);
  color: var(--color-error);
}

.toast-info .toast-icon {
  background: rgba(96, 165, 250, 0.15);
  color: var(--color-info);
}

.toast-warning .toast-icon {
  background: rgba(251, 191, 36, 0.15);
  color: var(--color-warning);
}

.toast-body {
  flex: 1;
  min-width: 0;
}

.toast-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 2px;
}

.toast-message {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.toast-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--space-xs);
  font-size: var(--font-size-lg);
  line-height: 1;
  transition: color var(--transition-fast);
  flex-shrink: 0;
}

.toast-close:hover {
  color: var(--color-text-primary);
}

.toast-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  animation: toastProgress var(--toast-duration, 4s) linear forwards;
}

.toast-success .toast-progress { background: var(--color-success); }
.toast-error .toast-progress { background: var(--color-error); }
.toast-info .toast-progress { background: var(--color-info); }
.toast-warning .toast-progress { background: var(--color-warning); }

@keyframes toastProgress {
  from { width: 100%; }
  to { width: 0%; }
}

@media (max-width: 768px) {
  .toast-container {
    left: var(--space-md);
    right: var(--space-md);
    bottom: var(--space-md);
  }

  .toast {
    min-width: unset;
    max-width: unset;
  }
}

/* ============================================================================
   PATCH NOTES
   ============================================================================ */

.nav-brand-group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  position: relative;
}

.patchnote-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  font-family: var(--font-family);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-accent-secondary);
  background: rgba(255, 107, 53, 0.1);
  border: 1px solid rgba(255, 107, 53, 0.25);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.patchnote-btn:hover,
.patchnote-btn.active {
  background: rgba(255, 107, 53, 0.2);
  border-color: rgba(255, 107, 53, 0.5);
  color: var(--color-accent-primary);
  box-shadow: 0 0 12px rgba(255, 107, 53, 0.2);
}

.patchnote-btn i {
  font-size: 0.85rem;
}

/* Backdrop */
.patchnote-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 998;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(2px);
  animation: fadeIn 0.2s ease;
}

.patchnote-backdrop.active {
  display: block;
}

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

/* Panel */
.patchnote-panel {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  z-index: 999;
  width: 360px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  background: rgba(18, 18, 26, 0.97);
  backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 107, 53, 0.2);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), 0 0 40px rgba(255, 107, 53, 0.08);
  padding: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px) scale(0.97);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  pointer-events: none;
}

.patchnote-panel::-webkit-scrollbar {
  width: 4px;
}
.patchnote-panel::-webkit-scrollbar-track {
  background: transparent;
}
.patchnote-panel::-webkit-scrollbar-thumb {
  background: rgba(255, 107, 53, 0.3);
  border-radius: 4px;
}
.patchnote-panel::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 107, 53, 0.55);
}

.patchnote-panel.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

.patchnote-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: calc(-1 * var(--space-lg));
  z-index: 1;
  background: rgba(18, 18, 26, 0.97);
  backdrop-filter: blur(24px);
  padding-top: var(--space-lg);
  padding-bottom: var(--space-sm);
  margin-top: calc(-1 * var(--space-lg));
  margin-bottom: var(--space-sm);
}

.patchnote-title-group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.patchnote-version-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--gradient-primary);
  color: #0a0a0f;
  border-radius: var(--radius-full);
}

.patchnote-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-primary);
}

.patchnote-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.patchnote-close:hover {
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.06);
}

.patchnote-date {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-color);
}

.patchnote-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.patchnote-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.patchnote-item code {
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 0.8em;
  background: rgba(255, 255, 255, 0.07);
  padding: 1px 5px;
  border-radius: 4px;
  color: var(--color-accent-tertiary);
}

.patchnote-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  border-radius: var(--radius-full);
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 2px;
}

.patchnote-tag-new {
  background: rgba(96, 165, 250, 0.15);
  color: var(--color-info);
  border: 1px solid rgba(96, 165, 250, 0.25);
}

.patchnote-tag-improved {
  background: rgba(255, 107, 53, 0.12);
  color: var(--color-accent-secondary);
  border: 1px solid rgba(255, 107, 53, 0.25);
}

.patchnote-tag-fix {
  background: rgba(74, 222, 128, 0.12);
  color: var(--color-success);
  border: 1px solid rgba(74, 222, 128, 0.25);
}

/* Mobile */
@media (max-width: 768px) {
  .patchnote-panel {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    transform: translateY(20px) scale(1);
    max-height: 70vh;
    overflow-y: auto;
  }

  .patchnote-panel.open {
    transform: translateY(0) scale(1);
  }
}

/* ============================================================================
   FOOTER
   ============================================================================ */

.footer {
  padding: var(--space-xl);
  text-align: center;
  border-top: 1px solid var(--border-color);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* ============================================================================
   RESPONSIVE
   ============================================================================ */

@media (max-width: 768px) {
  .nav-container {
    flex-direction: column;
    gap: var(--space-md);
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .main-content {
    padding: var(--space-lg);
  }

  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-base);
  }

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

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

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
}

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

.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}

.text-primary {
  color: var(--color-text-primary);
}
.text-secondary {
  color: var(--color-text-secondary);
}
.text-muted {
  color: var(--color-text-muted);
}
.text-accent {
  color: var(--color-accent-primary);
}
.text-success {
  color: var(--color-success);
}
.text-error {
  color: var(--color-error);
}

.mt-sm {
  margin-top: var(--space-sm);
}
.mt-md {
  margin-top: var(--space-md);
}
.mt-lg {
  margin-top: var(--space-lg);
}
.mt-xl {
  margin-top: var(--space-xl);
}
.mt-2xl {
  margin-top: var(--space-2xl);
}

.mb-sm {
  margin-bottom: var(--space-sm);
}
.mb-md {
  margin-bottom: var(--space-md);
}
.mb-lg {
  margin-bottom: var(--space-lg);
}
.mb-xl {
  margin-bottom: var(--space-xl);
}
.mb-2xl {
  margin-bottom: var(--space-2xl);
}

.flex {
  display: flex;
}
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}
.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.gap-sm {
  gap: var(--space-sm);
}
.gap-md {
  gap: var(--space-md);
}
.gap-lg {
  gap: var(--space-lg);
}

.hidden {
  display: none !important;
}

/* ============================================================================
   BACKGROUND PROCESSING — Button in OCR modal
   ============================================================================ */

.ocr-background-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-color);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.ocr-background-hint.visible {
  opacity: 1;
  pointer-events: auto;
}

.ocr-background-hint p {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-align: center;
}

.btn-background {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color-hover);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.btn-background:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-accent-primary);
  color: var(--color-text-primary);
}

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

/* ============================================================================
   BACKGROUND JOBS — History page
   ============================================================================ */

.spin {
  display: inline-block;
  animation: spin 1s linear infinite;
}

.active-jobs-section {
  margin-bottom: var(--space-xl);
}

.job-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(96, 165, 250, 0.25);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-md);
  backdrop-filter: blur(10px);
}

.job-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.job-filename {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.job-progress-text {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.job-progress-bar {
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.job-progress-fill {
  height: 100%;
  width: 40%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--color-accent-primary), var(--color-info));
  animation: job-progress-slide 1.6s ease-in-out infinite;
}

@keyframes job-progress-slide {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

.badge-processing {
  background: rgba(96, 165, 250, 0.15);
  color: var(--color-info);
}

.badge-error {
  background: rgba(248, 113, 113, 0.15);
  color: var(--color-error);
}