/**
 * Vip District AI Request Validator - Stylesheet
 * A clean, modern design for the request validation application.
 */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500;700&display=swap');

/* ============================================================================
   CSS Variables
   ============================================================================ */

:root {
  /* Colors - Dark Theme matching login */
  --primary-color: #6366f1;
  --primary-hover: #4f46e5;
  --primary-light: rgba(99, 102, 241, 0.15);
  --secondary-color: #8b8fa3;
  --secondary-hover: #a5a9bd;
  
  --success-color: #10b981;
  --success-light: rgba(16, 185, 129, 0.15);
  --warning-color: #f59e0b;
  --warning-light: rgba(245, 158, 11, 0.15);
  --error-color: #ef4444;
  --error-light: rgba(239, 68, 68, 0.15);
  --info-color: #3b82f6;
  --info-light: rgba(59, 130, 246, 0.15);
  
  --text-primary: #e5e7eb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #252540;
  
  --border-color: rgba(99, 102, 241, 0.2);
  --border-radius: 8px;
  --border-radius-lg: 12px;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
}

/* ============================================================================
   Reset & Base Styles
   ============================================================================ */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  line-height: 1.5;
  color: var(--text-primary);
  background: 
    radial-gradient(ellipse 80% 50% at 20% 40%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 20%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse 50% 30% at 60% 80%, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
    linear-gradient(180deg, #0f0f1a 0%, #1a1a2e 50%, #16213e 100%);
  background-attachment: fixed;
  min-height: 100vh;
}

/* ============================================================================
   App Container
   ============================================================================ */

.app-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ============================================================================
   Header
   ============================================================================ */

.app-header {
  background-color: var(--primary-color);
  color: white;
  padding: var(--spacing-lg) var(--spacing-xl);
  box-shadow: var(--shadow-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.app-header h1 {
  font-family: 'Orbitron', sans-serif;
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  letter-spacing: 1.5px;
  background: linear-gradient(
    90deg,
    #e0e7ff 0%,
    #a5b4fc 20%,
    #c4b5fd 40%,
    #e0e7ff 60%,
    #a5f3fc 80%,
    #e0e7ff 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: titleShimmer 8s ease-in-out infinite;
}

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

.app-header .header-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.header-nav {
  display: flex;
  gap: var(--spacing-md);
}

.header-nav .nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: white;
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.25);
  transition: all 0.2s ease;
}

.header-nav .nav-link:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
}

.header-nav .nav-link.close-btn {
  border: none;
  cursor: pointer;
}

.header-nav .nav-link-button {
  border: 1px solid rgba(255, 255, 255, 0.25);
  cursor: pointer;
  font-family: inherit;
}

/* Assistant button - identical shape, accent text color with animated icon */
#nav-help {
  color: #a5f3fc;
}

#nav-help svg {
  animation: assistantColorShift 4s ease-in-out infinite;
  transition: transform 0.5s ease;
}

#nav-help.spin svg {
  transform: rotate(360deg);
}

#nav-help:hover {
  color: #cffafe;
}

@keyframes assistantColorShift {
  0%, 100% { color: #a5f3fc; filter: none; }
  33% { color: #c4b5fd; filter: drop-shadow(0 0 3px rgba(196, 181, 253, 0.3)); }
  66% { color: #6ee7b7; filter: drop-shadow(0 0 3px rgba(110, 231, 183, 0.3)); }
}

.header-nav .nav-user-info {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-sm);
  padding: var(--spacing-sm) var(--spacing-md);
}

.header-nav .nav-link svg {
  flex-shrink: 0;
}

/* ============================================================================
   Main Content
   ============================================================================ */

.main-content {
  flex: 1;
  padding: var(--spacing-xl);
  max-width: 1800px;
  margin: 0 auto;
  width: 100%;
}

/* ============================================================================
   Page Sections
   ============================================================================ */

.page {
  display: none;
  animation: fadeIn 0.3s ease;
}

.page.active {
  display: block;
}

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

/* ============================================================================
   Welcome Page
   ============================================================================ */

.welcome-container {
  max-width: 700px;
  margin: var(--spacing-2xl) auto;
  text-align: center;
  background: linear-gradient(145deg, rgba(45, 50, 70, 0.95) 0%, rgba(35, 40, 60, 0.95) 100%);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(99, 102, 241, 0.2);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.welcome-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  color: var(--primary-color);
}

.welcome-icon svg {
  width: 100%;
  height: 100%;
}

.welcome-container h2 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.welcome-description {
  text-align: left;
  margin-bottom: var(--spacing-xl);
  color: var(--text-secondary);
}

.welcome-description p {
  margin-bottom: var(--spacing-md);
}

.welcome-description ul {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.welcome-description li {
  margin-bottom: var(--spacing-sm);
}

/* ============================================================================
   Buttons
   ============================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-md);
  font-weight: 500;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

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

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

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

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

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

.btn-small {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
}

.btn-icon {
  padding: var(--spacing-xs);
  min-width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-icon svg {
  flex-shrink: 0;
}

/* Icon buttons should show their background color */
.btn-icon.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

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

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

.btn-icon.btn-danger:hover:not(:disabled) {
  background-color: #c0392b;
}

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

.btn-icon.btn-success:hover:not(:disabled) {
  background-color: #27ae60;
}

/* Ticket link - clickable icon without button appearance */
.ticket-link {
  cursor: pointer;
  font-size: 1.2rem;
  display: inline-block;
  transition: transform 0.15s ease, opacity 0.15s ease;
  opacity: 0.85;
  margin-right: 2px;
  padding: 2px;
  border-radius: 4px;
}

.ticket-link:hover {
  transform: scale(1.2);
  opacity: 1;
}

/* Ticket used indicator - the one selected by AI with highest accuracy */
.ticket-link.ticket-used {
  border: 2px solid #27ae60;
  background-color: rgba(39, 174, 96, 0.15);
  opacity: 1;
}

/* Container for multiple ticket icons */
.ticket-icons-cell {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  align-items: center;
}

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

.batch-info {
  background: var(--bg-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  margin: var(--spacing-sm) 0;
}

.batch-info p {
  margin: var(--spacing-xs) 0;
}

/* ============================================================================
   Upload Page
   ============================================================================ */

.upload-container {
  background: linear-gradient(145deg, rgba(45, 50, 70, 0.95) 0%, rgba(35, 40, 60, 0.95) 100%);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(99, 102, 241, 0.2);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.upload-container h2 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-lg);
}

.validation-info-banner {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background-color: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

.validation-info-banner .info-icon {
  font-size: var(--font-size-lg);
}

.validation-info-banner strong {
  color: var(--primary-color);
}

.form-section {
  margin-bottom: var(--spacing-xl);
}

.form-section h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.form-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-sm);
}

.date-range-inputs {
  display: flex;
  gap: var(--spacing-lg);
}

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

.form-group label {
  font-weight: 500;
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

.form-group input,
.form-group select {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: var(--font-size-md);
  background-color: rgba(15, 15, 26, 0.8);
  color: var(--text-primary);
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  background-color: rgba(15, 15, 26, 1);
  box-shadow: 0 0 0 3px var(--primary-light);
}

/* Date input calendar icon styling for dark theme */
.form-group input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(0.8);
  cursor: pointer;
}

.form-group input[type="date"]::-webkit-calendar-picker-indicator:hover {
  filter: invert(0.6);
}

/* Placeholder styling for dark theme */
.form-group input::placeholder {
  color: var(--text-muted);
  opacity: 1;
}

/* Autofill styling for dark theme */
.form-group input:-webkit-autofill,
.form-group input:-webkit-autofill:hover,
.form-group input:-webkit-autofill:focus {
  -webkit-box-shadow: 0 0 0 1000px rgba(15, 15, 26, 0.95) inset;
  -webkit-text-fill-color: var(--text-primary);
  border-color: var(--primary-color);
  caret-color: var(--text-primary);
}

/* File Upload Grid */
.file-upload-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.file-upload-card {
  background-color: rgba(37, 37, 64, 0.8);
  border: 2px dashed rgba(99, 102, 241, 0.3);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  transition: all 0.2s ease;
}

.file-upload-card:hover {
  border-color: var(--primary-color);
  background-color: rgba(37, 37, 64, 1);
}

.file-upload-card.has-file {
  border-color: var(--success-color);
  border-style: solid;
}

.file-upload-card.has-error {
  border-color: var(--error-color);
  border-style: solid;
}

.file-upload-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.file-number {
  width: 24px;
  height: 24px;
  background-color: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.file-upload-header h4 {
  font-size: var(--font-size-md);
  font-weight: 600;
}

.file-description {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.file-input-wrapper {
  position: relative;
}

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

.file-input-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-lg);
  background-color: var(--bg-primary);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.file-input-label:hover {
  background-color: var(--bg-tertiary);
}

.file-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

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

.file-status {
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-sm);
  min-height: 1.5em;
}

.file-status.success {
  color: var(--success-color);
}

.file-status.error {
  color: var(--error-color);
}

/* Error Container */
.error-container {
  background-color: var(--error-light);
  border: 1px solid var(--error-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.error-container.hidden {
  display: none;
}

.error-container h4 {
  color: var(--error-color);
  margin-bottom: var(--spacing-sm);
}

.error-container ul {
  margin-left: var(--spacing-lg);
  color: var(--error-color);
}

/* Processing Options */
.processing-options {
  padding: var(--spacing-md) 0;
  margin-bottom: var(--spacing-md);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--primary-color);
}

.checkbox-label:hover {
  color: var(--text-primary);
}

/* Action Buttons */
.action-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

/* ============================================================================
   Processing Page
   ============================================================================ */

.processing-container {
  max-width: 600px;
  margin: var(--spacing-2xl) auto;
  text-align: center;
  background: linear-gradient(145deg, rgba(45, 50, 70, 0.95) 0%, rgba(35, 40, 60, 0.95) 100%);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(99, 102, 241, 0.2);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  position: relative;
}

.processing-cat {
  position: absolute;
  bottom: 1rem;
  right: 1.5rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.processing-cat.visible {
  opacity: 0.85;
  visibility: visible;
}

/* Background Music Button */
.btn-music {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--border-radius);
  color: var(--text-secondary);
  transition: color 0.3s ease, background-color 0.3s ease, transform 0.2s ease;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-music:hover {
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
  transform: scale(1.1);
}

.btn-music .icon-playing {
  display: none;
}

.btn-music .icon-muted {
  display: block;
}

.btn-music.playing .icon-playing {
  display: block;
  color: var(--primary-color);
}

.btn-music.playing .icon-muted {
  display: none;
}

.btn-music.playing {
  color: var(--primary-color);
}

.btn-music.playing:hover {
  color: var(--primary-hover);
}

.processing-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid var(--bg-tertiary);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--spacing-lg);
}

.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: middle;
}

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

.processing-container h2 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
}

.processing-note {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-md);
}

/* Proverb Display - Zen/Tao/Buddhism quotes during processing */
.proverb-container {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: rgba(99, 102, 241, 0.08);
  border-radius: var(--border-radius-lg);
  border-left: 3px solid rgba(99, 102, 241, 0.4);
  text-align: center;
  min-height: 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  animation: fadeIn 0.5s ease;
}

.proverb-text {
  font-size: 1.1rem;
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
  transition: opacity 0.6s ease;
}

.proverb-text::before {
  content: '"';
  font-size: 1.5rem;
  color: var(--accent-color);
  margin-right: 4px;
}

.proverb-text::after {
  content: '"';
  font-size: 1.5rem;
  color: var(--accent-color);
  margin-left: 4px;
}

.proverb-source {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-weight: 500;
  transition: opacity 0.6s ease;
}

.proverb-source::before {
  content: '— ';
}

/* Proverb fade animation - smoother transition */
.proverb-container.fade-out .proverb-text,
.proverb-container.fade-out .proverb-source {
  opacity: 0;
  transform: translateY(-5px);
}

.proverb-text,
.proverb-source {
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

/* Different accent colors for each tradition */
.proverb-container[data-source="Zen"] {
  border-left-color: #10b981;
  background: rgba(16, 185, 129, 0.08);
}

.proverb-container[data-source="Tao"] {
  border-left-color: #3b82f6;
  background: rgba(59, 130, 246, 0.08);
}

.proverb-container[data-source="Buddhism"] {
  border-left-color: #f59e0b;
  background: rgba(245, 158, 11, 0.08);
}

/* ============================================================================
   Results Page
   ============================================================================ */

.results-container {
  background: linear-gradient(145deg, rgba(45, 50, 70, 0.95) 0%, rgba(35, 40, 60, 0.95) 100%);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(99, 102, 241, 0.2);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.results-title-row {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.results-header h2 {
  font-size: var(--font-size-xl);
  margin: 0;
}

.current-batch-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.batch-info-label {
  font-weight: 500;
}

.batch-info-date {
  color: var(--primary-color);
  font-weight: 600;
}

.batch-info-separator {
  color: var(--border-color);
}

.batch-info-range {
  color: var(--text-muted);
}

.batch-info-user {
  color: var(--success-color);
  font-weight: 500;
}

.results-actions {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
  flex-wrap: wrap;
}

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

.results-actions .btn svg {
  flex-shrink: 0;
}

/* Summary Cards */
.summary-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.summary-card {
  background-color: rgba(37, 37, 64, 0.8);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  text-align: center;
  border: 1px solid rgba(99, 102, 241, 0.15);
}

.summary-value {
  display: block;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.summary-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.summary-total .summary-value { color: var(--info-color); }
.summary-approved .summary-value { color: var(--success-color); }
.summary-denied .summary-value { color: var(--error-color); }
.summary-pending .summary-value { color: var(--warning-color); }
.summary-cost .summary-value { color: var(--primary-color); }

/* Table Controls */
.table-controls {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.sort-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  min-width: 150px;
}

.sort-group label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  text-align: left;
}

.sort-group .sort-selects {
  display: flex;
  gap: var(--spacing-xs);
}

.sort-group select {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  height: 38px;
  box-sizing: border-box;
}

/* Results Table */
.table-wrapper {
  overflow-x: visible;
  overflow-y: auto;
  margin-bottom: var(--spacing-lg);
}

.results-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
  table-layout: auto;
}

.results-table th,
.results-table td {
  padding: var(--spacing-xs) var(--spacing-sm);
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.results-table td.truncate {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 150px;
}

.results-table th {
  background-color: rgba(37, 37, 64, 0.9);
  font-weight: 600;
  color: #a5b4fc;
  text-transform: uppercase;
  font-size: var(--font-size-xs);
  letter-spacing: 0.5px;
  position: sticky;
  top: 0;
}

.results-table tbody tr:hover {
  background-color: rgba(99, 102, 241, 0.1);
}

.results-table .status-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 9999px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
}

.status-badge.approved {
  background-color: var(--success-light);
  color: var(--success-color);
}

.status-badge.denied {
  background-color: var(--error-light);
  color: var(--error-color);
}

.status-badge.pending {
  background-color: var(--warning-light);
  color: var(--warning-color);
}

.status-badge.manual {
  border: 2px dashed currentColor;
}

/* Previously Processed Indicator */
.status-container {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.previously-processed-indicator {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  cursor: help;
  position: relative;
}

.previously-processed-indicator svg {
  width: 18px;
  height: 18px;
}

.previously-processed-indicator::after {
  content: attr(title);
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  transform: none;
  background: rgba(45, 50, 70, 0.98);
  color: var(--text-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  border: 1px solid rgba(99, 102, 241, 0.3);
  font-size: var(--font-size-xs);
  white-space: nowrap;
  max-width: 280px;
  white-space: normal;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  z-index: 1000;
  pointer-events: none;
  box-shadow: var(--shadow-md);
}

.previously-processed-indicator::before {
  content: '';
  position: absolute;
  top: calc(100% + 2px);
  right: 4px;
  transform: none;
  border: 6px solid transparent;
  border-bottom-color: rgba(45, 50, 70, 0.98);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  z-index: 1001;
}

.previously-processed-indicator:hover::after,
.previously-processed-indicator:hover::before {
  opacity: 1;
  visibility: visible;
}

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

.results-table .actions-cell button {
  margin-right: var(--spacing-xs);
}

/* Clickable Failed Checks Cell */
.failed-checks-cell.clickable {
  cursor: pointer;
  color: var(--error-color);
  text-decoration: underline;
  text-decoration-style: dotted;
}

.failed-checks-cell.clickable:hover {
  color: #c0392b;
  text-decoration-style: solid;
}

.custom-reason-indicator {
  color: var(--primary);
  font-size: var(--font-size-sm);
  cursor: help;
  margin-left: 2px;
}

/* Failed Checks Modal */
.failed-checks-section,
.failure-reason-section {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
}

.failed-checks-section h4,
.failure-reason-section h4 {
  margin: 0 0 var(--spacing-sm) 0;
  color: var(--text-primary);
  font-size: var(--font-size-base);
}

.failed-checks-section ul {
  margin: 0;
  padding-left: var(--spacing-lg);
}

.failed-checks-section li {
  margin-bottom: var(--spacing-xs);
  color: var(--error-color);
}

.failure-reason-section p {
  margin: 0;
  color: var(--text-secondary);
  font-style: italic;
  word-wrap: break-word;
  overflow-wrap: break-word;
  white-space: pre-wrap;
}

/* Custom Failure Reason */
.custom-reason-section {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
}

.custom-reason-section h4 {
  margin: 0 0 var(--spacing-sm) 0;
  color: var(--text-primary);
  font-size: var(--font-size-base);
}

.custom-reason-textarea {
  width: 100%;
  padding: var(--spacing-sm);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-family: inherit;
  font-size: var(--font-size-sm);
  resize: vertical;
  min-height: 60px;
  box-sizing: border-box;
}

.custom-reason-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.custom-reason-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-sm);
}

.char-counter {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--text-secondary);
}

.empty-state.hidden {
  display: none;
}

/* ============================================================================
   Results Pagination
   ============================================================================ */

.pagination-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
  margin-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.pagination-container.hidden {
  display: none;
}

.pagination-info {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.page-size-selector {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.page-size-selector label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.page-size-selector select {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background-color: rgba(15, 15, 26, 0.8);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

.page-size-selector select:focus {
  outline: none;
  border-color: var(--primary-color);
}

.pagination-buttons {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.pagination-pages {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  min-width: 120px;
  text-align: center;
}

.pagination-buttons .btn {
  min-width: 36px;
  padding: var(--spacing-xs) var(--spacing-sm);
}

.pagination-buttons .btn:disabled {
  opacity: 0.4;
}

@media (max-width: 768px) {
  .pagination-container {
    flex-direction: column;
    align-items: stretch;
  }
  
  .pagination-controls {
    justify-content: center;
  }
}

/* ============================================================================
   Modals
   ============================================================================ */

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal.hidden {
  display: none;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.75);
}

.modal-content {
  position: relative;
  background: linear-gradient(145deg, rgba(45, 50, 70, 0.98) 0%, rgba(35, 40, 60, 0.98) 100%);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
  max-width: 600px;
  width: 90%;
  max-height: 90%;
  overflow: auto;
}

.modal-small {
  width: 400px;
}

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

.modal-header h3 {
  font-size: var(--font-size-lg);
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--font-size-2xl);
  cursor: pointer;
  color: var(--text-secondary);
  line-height: 1;
}

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

.modal-body {
  padding: var(--spacing-lg);
}

.modal-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
  margin-top: var(--spacing-lg);
}

/* Configuration Modal */
.config-description {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.config-field {
  margin-bottom: var(--spacing-md);
}

.config-label {
  display: block;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-base);
}

.config-help {
  color: var(--text-secondary);
  font-size: var(--font-size-xs);
  margin-bottom: var(--spacing-sm);
  line-height: 1.5;
}

.config-slider-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.config-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: 3px;
  background: var(--border-color);
  outline: none;
  cursor: pointer;
}

.config-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 2px solid rgba(255, 255, 255, 0.2);
  transition: box-shadow 0.2s ease;
}

.config-slider::-webkit-slider-thumb:hover {
  box-shadow: 0 0 8px rgba(99, 102, 241, 0.5);
}

.config-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.config-slider-value {
  min-width: 48px;
  text-align: center;
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: var(--primary);
}

/* Batch info accuracy badge */
.batch-info-accuracy {
  color: var(--primary);
  font-weight: 500;
}

/* Ticket Preview */
.ticket-preview-container {
  max-width: 800px;
  max-height: 600px;
  overflow: auto;
  margin-bottom: var(--spacing-md);
}

.ticket-preview-container img {
  max-width: 100%;
  height: auto;
}

.ticket-preview-container iframe {
  width: 100%;
  height: 500px;
}

.pdf-fallback {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  background: var(--bg-secondary);
  border-radius: var(--border-radius-md);
  text-align: center;
  min-height: 300px;
}

.pdf-fallback p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

.pdf-fallback p:first-child {
  font-size: 1.5rem;
  color: var(--text-primary);
}

.ticket-info {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.ticket-info a {
  color: var(--primary-color);
}

/* ============================================================================
   Back to Top Button
   ============================================================================ */

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
  z-index: 1000;
}

.back-to-top svg {
  width: 24px;
  height: 24px;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
  background: linear-gradient(135deg, #8b5cf6, var(--primary-color));
}

.back-to-top:active {
  transform: translateY(-2px);
}

/* ============================================================================
   Toast Notifications
   ============================================================================ */

.toast-container {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  color: white;
  font-size: var(--font-size-sm);
  animation: slideIn 0.3s ease;
  max-width: 400px;
}

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

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

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

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

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

/* ============================================================================
   Utility Classes
   ============================================================================ */

.hidden {
  display: none !important;
}

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

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

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 150px;
}

/* ============================================================================
   Responsive Adjustments
   ============================================================================ */

@media (max-width: 768px) {
  .main-content {
    padding: var(--spacing-md);
  }

  .date-range-inputs {
    flex-direction: column;
  }

  .file-upload-grid {
    grid-template-columns: 1fr;
  }

  .action-buttons {
    flex-direction: column;
  }

  .results-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .results-actions {
    width: 100%;
    flex-wrap: wrap;
  }

  .results-actions .btn {
    flex: 1;
    min-width: 120px;
    justify-content: center;
  }

  .summary-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .table-controls {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .summary-cards {
    grid-template-columns: 1fr;
  }

  .welcome-container {
    padding: var(--spacing-lg);
  }
}

/* ============================================================================
   Footer
   ============================================================================ */

.app-footer {
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-xl);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.app-footer strong {
  color: var(--text-primary);
}

.app-footer .version-info {
  font-size: var(--font-size-xs);
  opacity: 0.7;
}

.app-footer .version-name {
  background: linear-gradient(90deg, var(--primary-color), var(--primary-hover), var(--primary-color));
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.app-footer .version-name-link {
  background: linear-gradient(90deg, var(--primary-color), var(--primary-hover), var(--primary-color));
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
  animation: shimmer 3s ease-in-out infinite;
  text-decoration: none;
  cursor: pointer;
}

.app-footer .version-name-link:hover {
  opacity: 0.8;
}

/* Version Modal */
#version-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: background-color 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
}

#version-modal.visible {
  background-color: rgba(0, 0, 0, 0.75);
  opacity: 1;
  visibility: visible;
}

.version-modal-content {
  background: linear-gradient(145deg, var(--bg-primary), var(--bg-secondary));
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  width: 320px;
  text-align: center;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  transform: scale(0.8) translateY(20px);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
}

#version-modal.visible .version-modal-content {
  transform: scale(1) translateY(0);
  opacity: 1;
}

.version-modal-image {
  width: 100%;
  max-height: 260px;
  object-fit: contain;
  background: transparent;
  transform: scale(0.9);
  opacity: 0;
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.1s, opacity 0.4s ease 0.1s;
}

#version-modal.visible .version-modal-image {
  transform: scale(1);
  opacity: 1;
}

.version-modal-text {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
  transform: translateY(10px);
  opacity: 0;
  transition: transform 0.4s ease 0.2s, opacity 0.4s ease 0.2s;
}

#version-modal.visible .version-modal-text {
  transform: translateY(0);
  opacity: 1;
}

.version-modal-text #version-modal-version {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-xs);
}

.version-modal-text #version-modal-name {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================================
   Welcome Actions
   ============================================================================ */

.welcome-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.welcome-actions .btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* ============================================================================
   History Modal Styles
   ============================================================================ */

.modal-large {
  max-width: 1150px;
  width: 95%;
}

.history-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.history-actions {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.history-actions .history-description {
  flex: 1;
  min-width: 200px;
}

.history-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  padding: var(--spacing-xl);
  color: var(--text-secondary);
}

.processing-spinner.small {
  width: 24px;
  height: 24px;
  border-width: 2px;
}

.history-empty {
  padding: var(--spacing-xl);
}

.history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.history-table th,
.history-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.history-table th {
  background: rgba(37, 37, 64, 0.9);
  font-weight: 600;
  color: #a5b4fc;
  text-transform: uppercase;
  font-size: var(--font-size-xs);
  letter-spacing: 0.05em;
}

.history-table tbody tr:hover {
  background: rgba(99, 102, 241, 0.1);
}

.history-table .count-approved {
  color: var(--success-color);
  font-weight: 600;
}

.history-table .count-denied {
  color: var(--error-color);
  font-weight: 600;
}

.history-table .count-pending {
  color: var(--warning-color);
  font-weight: 600;
}

.history-table .ai-cost {
  color: var(--primary-color);
  font-weight: 600;
}

.batch-status {
  padding: 2px 8px;
  border-radius: 4px;
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.batch-status.completed {
  background: var(--success-light);
  color: var(--success-color);
}

.batch-status.processing {
  background: var(--info-light);
  color: var(--info-color);
}

.batch-status.failed {
  background: var(--error-light);
  color: var(--error-color);
}

/* ============================================================================
   Clear Data Modal Styles
   ============================================================================ */

.btn-danger {
  background-color: var(--error-color);
  color: white;
  border: none;
}

.btn-danger:hover {
  background-color: #dc2626;
}

.warning-message {
  background: var(--error-light);
  border: 1px solid var(--error-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.warning-message p:first-child {
  color: var(--error-color);
  margin-bottom: var(--spacing-md);
}

.warning-message ul {
  margin: var(--spacing-md) 0;
  padding-left: var(--spacing-lg);
}

.warning-message li {
  margin-bottom: var(--spacing-xs);
}

.preserve-note {
  color: var(--success-color);
  font-weight: 500;
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px dashed var(--border-color);
}

/* ============================================================================
   Progress Bar
   ============================================================================ */

.processing-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.processing-header h2 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.processing-header p {
  color: var(--text-secondary);
}

.processing-header .processing-hint {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-top: var(--spacing-md);
  line-height: 1.5;
}

.processing-header .processing-hint strong {
  color: var(--success-color);
}

.progress-section {
  margin: var(--spacing-xl) 0;
}

.progress-bar-container {
  width: 100%;
  height: 20px;
  background-color: var(--bg-tertiary);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: var(--spacing-md);
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-hover));
  border-radius: 10px;
  transition: width 0.3s ease;
}

.progress-stats {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.progress-percentage {
  font-weight: 600;
  color: var(--primary-color);
}

.progress-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md);
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-md);
}

.progress-current,
.progress-eta {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-sm);
}

.progress-current .label,
.progress-eta .label {
  color: var(--text-secondary);
}

.progress-current .value,
.progress-eta .value {
  font-weight: 500;
  color: var(--text-primary);
}

/* ============================================================================
   Advanced Filters
   ============================================================================ */

.advanced-filters {
  background-color: var(--bg-secondary);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-lg);
  border: 1px solid var(--border-color);
}

.filters-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  align-items: flex-end;
}

.filters-row:not(:last-child) {
  margin-bottom: var(--spacing-md);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  min-width: 150px;
}

.filter-group label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  text-align: left;
}

.filter-group select,
.filter-input {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  height: 38px;
  box-sizing: border-box;
}

.filter-input:focus,
.filter-group select:focus,
.sort-group select:focus {
  outline: none;
  border-color: var(--primary-color);
}

#btn-clear-filters {
  margin-left: auto;
  height: 38px;
  align-self: flex-end;
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .stat-card-wide {
    grid-column: span 1;
  }
  
  .filters-row {
    flex-direction: column;
    align-items: stretch;
  }
  
  .filter-group {
    width: 100%;
  }
  
  #btn-clear-filters {
    margin-left: 0;
    margin-top: var(--spacing-sm);
  }
}

/* ============================================================================
   Help Tooltip
   ============================================================================ */

.help-tooltip {
  position: relative;
  display: inline-flex;
  align-items: center;
  margin-left: var(--spacing-xs);
}

.help-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--text-muted);
  color: white;
  font-size: 11px;
  font-weight: 600;
  cursor: help;
  transition: background-color 0.2s ease;
}

.help-icon:hover {
  background-color: var(--primary-color);
}

.tooltip-content {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  width: 320px;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: rgba(45, 50, 70, 0.98);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  font-weight: 400;
  line-height: 1.5;
  border-radius: var(--border-radius);
  border: 1px solid rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  z-index: 1000;
  pointer-events: none;
}

.tooltip-content::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: rgba(45, 50, 70, 0.98);
}

.tooltip-content strong {
  color: var(--warning-color);
}

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

/* ============================================================================
   Mobile Device Warning
   ============================================================================ */

.mobile-warning {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #16213e 100%);
  z-index: 10000;
  overflow: hidden;
  touch-action: none;
  overscroll-behavior: none;
}

.mobile-warning.visible {
  display: block;
}

.mobile-warning-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  width: calc(100% - 3rem);
  max-width: 320px;
  animation: mobileWarningFadeIn 0.6s ease;
}

@keyframes mobileWarningFadeIn {
  from {
    opacity: 0;
    transform: translate(-50%, -45%);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%);
  }
}

.mobile-warning-title {
  font-size: 1.1rem;
  color: #6366f1;
  margin-bottom: 1.5rem;
  font-weight: 600;
  line-height: 1.4;
}

.mobile-warning-icon {
  margin-bottom: 1.5rem;
}

.mobile-warning-icon svg {
  stroke: #6366f1;
  filter: drop-shadow(0 0 20px rgba(99, 102, 241, 0.4));
}

.mobile-warning h2 {
  font-size: 1.75rem;
  color: #e5e7eb;
  margin-bottom: 1rem;
  font-weight: 600;
}

.mobile-warning p {
  color: #9ca3af;
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.mobile-warning-hint {
  color: #6b7280 !important;
  font-size: 0.9rem !important;
  margin-top: 1.5rem !important;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(99, 102, 241, 0.2);
}

.mobile-warning-brand {
  display: block;
  margin-top: 2rem;
  color: #6b7280;
  font-size: 0.85rem;
}

.mobile-warning-brand strong {
  color: #9ca3af;
}

/* ============================================================================
   Chat Panel (Vipi AI Assistant)
   ============================================================================ */

.chat-panel {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 400px;
  height: 560px;
  background: linear-gradient(165deg, rgba(30, 33, 50, 0.98) 0%, rgba(20, 22, 38, 0.99) 100%);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 30px rgba(99, 102, 241, 0.1);
  display: flex;
  flex-direction: column;
  z-index: 2000;
  transform: translateY(120%) scale(0.95);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.25s ease;
}

.chat-panel.open {
  transform: translateY(0) scale(1);
  opacity: 1;
  pointer-events: auto;
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(99, 102, 241, 0.08) 100%);
  border-bottom: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 16px 16px 0 0;
  flex-shrink: 0;
}

.chat-header-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.chat-avatar {
  color: #a5f3fc;
  background: rgba(99, 102, 241, 0.15);
  border-radius: 50%;
  padding: 4px;
  animation: assistantColorShift 4s ease-in-out infinite;
}

.chat-header-title {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.chat-header-subtitle {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 1px;
}

.chat-header-actions {
  display: flex;
  gap: 4px;
}

.chat-action-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 6px;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-action-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
}

#chat-clear-btn:hover {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

/* Chat messages area */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scrollbar-width: thin;
  scrollbar-color: rgba(99, 102, 241, 0.3) transparent;
}

.chat-messages::-webkit-scrollbar {
  width: 5px;
}

.chat-messages::-webkit-scrollbar-track {
  background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.3);
  border-radius: 3px;
}

/* Welcome message */
.chat-welcome {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 30px 20px;
  gap: 8px;
}

.chat-welcome-icon {
  margin-bottom: 8px;
  opacity: 0.8;
}

.chat-welcome-title {
  color: var(--text-primary);
  font-size: 1rem;
  margin: 0;
}

.chat-welcome-text {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.5;
  margin: 0;
}

/* Message bubbles */
.chat-msg {
  display: flex;
  flex-direction: column;
  max-width: 85%;
  animation: chatMsgIn 0.25s ease-out;
}

@keyframes chatMsgIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-msg.user {
  align-self: flex-end;
}

.chat-msg.assistant {
  align-self: flex-start;
}

.chat-msg-bubble {
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 0.85rem;
  line-height: 1.55;
  word-break: break-word;
}

.chat-msg.user .chat-msg-bubble {
  background: linear-gradient(135deg, #6366f1, #5558e6);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.chat-msg.assistant .chat-msg-bubble {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border-bottom-left-radius: 4px;
}

/* Markdown formatting inside assistant messages */
.chat-msg.assistant .chat-msg-bubble p {
  margin: 0 0 8px 0;
}

.chat-msg.assistant .chat-msg-bubble p:last-child {
  margin-bottom: 0;
}

.chat-msg.assistant .chat-msg-bubble strong {
  color: #a5b4fc;
}

.chat-msg.assistant .chat-msg-bubble ul,
.chat-msg.assistant .chat-msg-bubble ol {
  margin: 4px 0;
  padding-left: 18px;
}

.chat-msg.assistant .chat-msg-bubble li {
  margin-bottom: 2px;
}

.chat-msg.assistant .chat-msg-bubble code {
  background: rgba(99, 102, 241, 0.15);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 0.82rem;
}

.chat-msg-time {
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-top: 4px;
  padding: 0 4px;
}

.chat-msg.user .chat-msg-time {
  text-align: right;
}

/* Typing indicator */
.chat-typing {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 12px 16px;
  align-self: flex-start;
}

.chat-typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: chatTyping 1.4s infinite;
}

.chat-typing-dot:nth-child(2) { animation-delay: 0.2s; }
.chat-typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes chatTyping {
  0%, 60%, 100% { opacity: 0.3; transform: scale(0.8); }
  30% { opacity: 1; transform: scale(1); }
}

/* Chat input area */
.chat-input-area {
  padding: 12px 16px 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  flex-shrink: 0;
}

.chat-input-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 8px 8px 8px 14px;
  transition: border-color 0.2s ease;
}

.chat-input-wrapper:focus-within {
  border-color: rgba(99, 102, 241, 0.5);
}

.chat-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 0.85rem;
  font-family: inherit;
  resize: none;
  outline: none;
  min-height: 24px;
  max-height: 100px;
  line-height: 1.5;
  padding: 2px 0;
}

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

.chat-send-btn {
  background: var(--primary-color);
  border: none;
  border-radius: 8px;
  color: white;
  cursor: pointer;
  padding: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.chat-send-btn:hover:not(:disabled) {
  background: var(--primary-hover);
  transform: scale(1.05);
}

.chat-send-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Chat error message */
.chat-error {
  text-align: center;
  padding: 8px 12px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 8px;
  color: #fca5a5;
  font-size: 0.8rem;
  animation: chatMsgIn 0.25s ease-out;
}