/*
 * WORLD CAFÉ PLATFORM - UNIFIED STYLESHEET
 * Modern, standardized design system for perfect desktop and mobile experience
 * Preserves ALL backend functionality with beautiful, consistent interface
 */

/* Import design system foundation */
@import url('./design-system.css');
@import url('./components.css'); 
@import url('./layout.css');

/* ===== PLATFORM-SPECIFIC STYLES ===== */

/* Override any conflicting legacy styles */
* {
  box-sizing: border-box;
}

/* Ensure proper font loading */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@100..900&display=swap');

/* Enhanced system font stack */
body, html {
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
}

/* ===== PLATFORM ENHANCEMENTS ===== */

/* Enhanced focus states for better accessibility */
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
  border-radius: var(--radius-base);
}

/* Reprocess button states */
.btn.processing {
  background-color: var(--warning-500) !important;
  color: white !important;
  pointer-events: none;
}

.btn.success {
  background-color: var(--success-500) !important;
  color: white !important;
  transition: all 0.3s ease;
}

.btn.error {
  background-color: var(--error-500) !important;
  color: white !important;
  transition: all 0.3s ease;
}

/* Enhanced touch targets for mobile */
@media (hover: none) and (pointer: coarse) {
  .btn,
  button,
  [role="button"] {
    min-height: 48px;
    min-width: 48px;
  }
  
  input,
  select,
  textarea {
    min-height: 48px;
  }
}

/* Enhanced glass effects */
.glass-effect {
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

/* Enhanced animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.5s ease-out;
}

.animate-fade-in-scale {
  animation: fadeInScale 0.3s ease-out;
}

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

.toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: var(--z-max);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 400px;
}

.toast {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
  border: 1px solid transparent;
  color: var(--neutral-0);
  font-weight: var(--font-medium);
  animation: toastEnter 0.3s ease-out;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

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

.toast-success {
  background: var(--success-500);
  border-color: var(--success-600);
}

.toast-error {
  background: var(--error-500);
  border-color: var(--error-600);
}

.toast-warning {
  background: var(--warning-500);
  border-color: var(--warning-600);
}

.toast-info {
  background: var(--info-500);
  border-color: var(--info-600);
}

.toast-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: rgba(255, 255, 255, 0.3);
  animation: toastProgress 5s linear;
}

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

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

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-4);
  z-index: var(--z-overlay);
  color: var(--neutral-700);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--neutral-200);
  border-radius: var(--radius-full);
  border-top-color: var(--primary-500);
  animation: spin 1s linear infinite;
}

.loading-text {
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  text-align: center;
}

/* ===== QR CODE ENHANCEMENTS ===== */

.qr-scanner-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  padding: var(--space-4);
}

.qr-scanner-modal {
  background: var(--neutral-0);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  max-width: 500px;
  width: 100%;
  overflow: hidden;
  animation: modalEnter 0.2s ease-out;
}

.qr-scanner-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--neutral-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.qr-scanner-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--neutral-900);
}

.qr-scanner-body {
  padding: var(--space-6);
  text-align: center;
}

.qr-viewfinder {
  width: 100%;
  height: 300px;
  background: var(--neutral-900);
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  margin-bottom: var(--space-4);
}

.qr-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.qr-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
  border: 3px solid var(--primary-500);
  border-radius: var(--radius-xl);
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.5);
  animation: pulse 2s infinite;
}

.qr-instructions {
  background: var(--neutral-50);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
  font-size: var(--text-sm);
  color: var(--neutral-600);
  line-height: var(--leading-relaxed);
}

/* ===== SESSION MANAGEMENT ENHANCEMENTS ===== */

.session-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
}

.session-card {
  background: var(--neutral-0);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--neutral-200);
  overflow: hidden;
  transition: var(--transition-all);
  cursor: pointer;
}

.session-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--primary-200);
}

.session-card-header {
  padding: var(--space-6);
  background: var(--gradient-primary);
  color: var(--neutral-0);
  position: relative;
}

.session-card-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 20px;
  background: var(--neutral-0);
  border-radius: 20px 20px 0 0;
}

.session-card-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-2);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.session-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-sm);
  opacity: 0.9;
}

.session-card-body {
  padding: var(--space-6);
  padding-top: var(--space-4);
}

.session-stats {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.session-stat {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--neutral-600);
}

.session-stat-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-100);
  color: var(--primary-600);
  border-radius: var(--radius-base);
  font-size: var(--text-xs);
}

.session-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* ===== TABLE MANAGEMENT ENHANCEMENTS ===== */

.tables-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}

.table-card {
  background: var(--neutral-0);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 2px solid var(--neutral-200);
  padding: var(--space-6);
  transition: var(--transition-all);
  cursor: pointer;
  text-align: center;
  position: relative;
}

.table-card:hover {
  border-color: var(--primary-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.table-card.active {
  border-color: var(--primary-500);
  background: var(--primary-50);
}

.table-card.full {
  border-color: var(--warning-300);
  background: var(--warning-50);
}

.table-card-icon {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-3);
  opacity: 0.8;
}

.table-card-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
  color: var(--neutral-900);
}

.table-card-stats {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
  color: var(--neutral-600);
}

.table-card-actions {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
}

/* ===== TRANSCRIPTION ENHANCEMENTS ===== */

.transcription-container {
  background: var(--neutral-0);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--neutral-200);
  overflow: hidden;
  height: 400px;
  display: flex;
  flex-direction: column;
}

.transcription-header {
  padding: var(--space-4);
  background: var(--neutral-50);
  border-bottom: 1px solid var(--neutral-200);
  display: flex;
  align-items: center;
  justify-content: between;
  gap: var(--space-3);
}

.transcription-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--neutral-900);
  flex: 1;
}

.transcription-body {
  flex: 1;
  padding: var(--space-4);
  overflow-y: auto;
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.transcription-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--neutral-500);
  font-style: italic;
}

.chat-bubble {
  background: var(--primary-50);
  border: 1px solid var(--primary-200);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  margin-bottom: var(--space-3);
  position: relative;
}

.chat-bubble.speaker-0 {
  background: var(--blue-50);
  border-color: var(--blue-200);
}

.chat-bubble.speaker-1 {
  background: var(--green-50);
  border-color: var(--green-200);
}

.chat-bubble.speaker-2 {
  background: var(--purple-50);
  border-color: var(--purple-200);
}

.chat-bubble-header {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--neutral-600);
  margin-bottom: var(--space-1);
}

.chat-bubble-content {
  color: var(--neutral-800);
}

/* ===== ANALYSIS REPORT ENHANCEMENTS ===== */

.analysis-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-4);
}

.analysis-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.analysis-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--neutral-900);
  margin-bottom: var(--space-4);
}

.analysis-meta {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  font-size: var(--text-base);
  color: var(--neutral-600);
}

.analysis-sections {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.analysis-section {
  background: var(--neutral-0);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--neutral-200);
  overflow: hidden;
}

.analysis-section-header {
  padding: var(--space-6);
  background: var(--gradient-primary);
  color: var(--neutral-0);
}

.analysis-section-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-2);
}

.analysis-section-subtitle {
  opacity: 0.9;
  line-height: var(--leading-relaxed);
}

.analysis-section-body {
  padding: var(--space-6);
}

.analysis-insight {
  background: var(--neutral-50);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  border-left: 4px solid var(--primary-500);
}

.analysis-insight-title {
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
  color: var(--neutral-900);
}

.analysis-insight-content {
  color: var(--neutral-700);
  line-height: var(--leading-relaxed);
}

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

@media (max-width: 639px) {
  .session-grid {
    grid-template-columns: 1fr;
  }
  
  .tables-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
  
  .session-card-header {
    padding: var(--space-4);
  }
  
  .session-card-body {
    padding: var(--space-4);
  }
  
  .table-card {
    padding: var(--space-4);
  }
  
  .analysis-container {
    padding: var(--space-6) var(--space-3);
  }
  
  .analysis-header {
    margin-bottom: var(--space-8);
  }
  
  .analysis-meta {
    flex-direction: column;
    gap: var(--space-2);
  }
  
  .analysis-section-header {
    padding: var(--space-4);
  }
  
  .analysis-section-body {
    padding: var(--space-4);
  }
  
  .toast-container {
    right: var(--space-2);
    left: var(--space-2);
    max-width: none;
  }
  
  .qr-scanner-modal {
    margin: var(--space-4);
  }
  
  .qr-scanner-header {
    padding: var(--space-4);
  }
  
  .qr-scanner-body {
    padding: var(--space-4);
  }
  
  .qr-viewfinder {
    height: 250px;
  }
}

/* ===== HIGH CONTRAST MODE ===== */

@media (prefers-contrast: high) {
  .card,
  .session-card,
  .table-card,
  .analysis-section {
    border-width: 2px;
    border-color: var(--neutral-900);
  }
  
  .btn-primary {
    background: var(--neutral-900);
    color: var(--neutral-0);
    border: 2px solid var(--neutral-900);
  }
  
  .btn-secondary {
    border-width: 2px;
    border-color: var(--neutral-900);
  }
}

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

@media print {
  .navbar,
  .mobile-menu-toggle,
  .toast-container,
  .loading-overlay,
  .qr-scanner-overlay,
  .btn {
    display: none !important;
  }
  
  .screen {
    display: block !important;
    min-height: auto;
  }
  
  .analysis-container {
    max-width: none;
    padding: 0;
  }
  
  .analysis-section {
    break-inside: avoid;
    box-shadow: none;
    border: 2px solid var(--neutral-300);
  }
}