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

:root {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  font-weight: 400;

  --bg-primary: #e9edf3;
  --bg-secondary: #f8fafc;
  --bg-card: #fdfdfd;
  --text-primary: #1f2937;
  --text-secondary: #4b5563;
  --accent-blue: #466cd5;
  --accent-green: #34d399;
  --accent-yellow: #f59e0b;
  --accent-red: #f87171;
  --border-color: #cbd5e1;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.05);

  color: var(--text-primary);
  background-color: var(--bg-primary);

  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  background-color: var(--bg-primary);
}

#app {
  width: 100%;
  min-height: 100vh;
}

.header {
  background: var(--bg-secondary);
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  box-shadow: var(--shadow);
}

.header-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.language-switcher {
  display: flex;
  gap: 0.5rem;
  background: var(--bg-primary);
  padding: 0.25rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.lang-btn {
  padding: 0.5rem 1.5rem;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.9rem;
}

.lang-btn:hover {
  background: rgba(91, 124, 255, 0.1);
  color: var(--accent-blue);
}

.lang-btn.active {
  background: var(--accent-blue);
  color: white;
}

.main-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

.stats-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg-card);
  padding: 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  text-align: center;
  box-shadow: var(--shadow);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-blue);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.calls-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.call-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.25rem;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  height: fit-content;
}

.call-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border-color: var(--accent-blue);
}

.call-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
}

.company-badge {
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(91, 124, 255, 0.1);
  color: var(--accent-blue);
}

.call-number {
  font-size: 0.85rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.call-id {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.call-meta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.status-badge,
.score-badge,
.duration-badge {
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.status-badge {
  background: rgba(91, 124, 255, 0.1);
  color: var(--accent-blue);
}

.score-badge {
  border: 1px solid;
}

.score-high {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-green);
  border-color: var(--accent-green);
}

.score-medium {
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent-yellow);
  border-color: var(--accent-yellow);
}

.score-low {
  background: rgba(239, 68, 68, 0.1);
  color: var(--accent-red);
  border-color: var(--accent-red);
}

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

.transcription-preview {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.view-details {
  color: var(--accent-blue);
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-color);
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

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

.modal {
  background: var(--bg-secondary);
  border-radius: 16px;
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  background: var(--bg-secondary);
  z-index: 10;
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: all 0.2s ease;
}

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

.modal-content {
  padding: 1.5rem;
}

.modal-section {
  margin-bottom: 1.5rem;
}

.modal-section-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-blue);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.modal-transcription {
  background: var(--bg-primary);
  padding: 1rem;
  border-radius: 8px;
  border-left: 4px solid var(--accent-blue);
  color: var(--text-primary);
  line-height: 1.8;
  font-style: italic;
}

.modal-text {
  color: var(--text-secondary);
  line-height: 1.8;
  padding: 1rem;
  background: var(--bg-primary);
  border-radius: 8px;
}

.modal-recommendation {
  border-left: 4px solid var(--accent-yellow);
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  background: var(--bg-primary);
}

.banwords-info {
  padding: 0.75rem;
  border-radius: 8px;
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-green);
  font-weight: 600;
  font-size: 0.9rem;
}

.banwords-info.has-banwords {
  background: rgba(239, 68, 68, 0.1);
  color: var(--accent-red);
}

.banwords-list {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .header {
    padding: 1rem;
  }

  .header-title {
    font-size: 1.25rem;
  }

  .main-content {
    padding: 1rem;
  }

  .calls-container {
    grid-template-columns: 1fr;
  }

  .stat-value {
    font-size: 2rem;
  }

  .modal {
    max-height: 95vh;
  }

  .modal-header {
    padding: 1rem;
  }

  .modal-content {
    padding: 1rem;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --border-color: #334155;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  }
}