/* Reset and base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-primary: #ff0000;
  --color-primary-dark: #cc0000;
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-text-secondary: #666666;
  --color-border: #e0e0e0;
  --color-shadow: rgba(0, 0, 0, 0.08);
  --color-success: #28a745;
  --color-error: #dc3545;
  
  --font-heading: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Georgia', 'Times New Roman', serif;
  
  --radius: 12px;
  --radius-sm: 6px;
  --spacing: 1.5rem;
  --max-width: 900px;
}

body {
  font-family: var(--font-heading);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: calc(var(--spacing) * 2) var(--spacing);
}

/* Header */
header {
  text-align: center;
  margin-bottom: calc(var(--spacing) * 2);
}

header h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.subtitle {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
}

/* Input section */
.input-section {
  background: var(--color-surface);
  padding: calc(var(--spacing) * 1.5);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px var(--color-shadow);
  margin-bottom: calc(var(--spacing) * 2);
}

.fetch-form {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.url-input {
  flex: 1;
  min-width: 250px;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.url-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 0, 0, 0.1);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

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

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

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

.btn-secondary:hover {
  background-color: var(--color-border);
}

.btn-sm {
  padding: 0.5rem 0.875rem;
  font-size: 0.875rem;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  font-size: 1.5rem;
  line-height: 1;
  background: transparent;
  color: var(--color-text-secondary);
}

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

.btn-danger {
  background-color: transparent;
  color: var(--color-error);
  border: 1px solid var(--color-error);
  padding: 0.5rem 0.875rem;
  font-size: 0.875rem;
}

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

/* Messages */
.message {
  margin-top: 1rem;
  padding: 0.875rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
}

.message.success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.message.error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.message.info {
  background-color: #d1ecf1;
  color: #0c5460;
  border: 1px solid #bee5eb;
}

/* Transcripts section */
.transcripts-section h2 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing);
  color: var(--color-text);
}

.transcripts-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.empty-state {
  text-align: center;
  color: var(--color-text-secondary);
  padding: calc(var(--spacing) * 2);
  font-style: italic;
}

/* Transcript card */
.transcript-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px var(--color-shadow);
  overflow: hidden;
  transition: box-shadow 0.2s, transform 0.2s;
}

.transcript-card:hover {
  box-shadow: 0 4px 16px var(--color-shadow);
  transform: translateY(-2px);
}

.card-content {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
}

.card-thumbnail {
  width: 120px;
  height: 90px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-bg);
}

.card-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-info {
  flex: 1;
  min-width: 0;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-meta {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.5rem;
}

.card-excerpt {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing);
}

.modal[hidden] {
  display: none;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.modal-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
}

/* Transcript text - nice typography */
.transcript-text {
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-text);
}

.transcript-text p {
  margin-bottom: 1rem;
}

/* Responsive */
@media (max-width: 600px) {
  .container {
    padding: var(--spacing);
  }
  
  header h1 {
    font-size: 1.5rem;
  }
  
  .fetch-form {
    flex-direction: column;
  }
  
  .url-input {
    width: 100%;
  }
  
  .btn-primary {
    width: 100%;
  }
  
  .card-content {
    flex-direction: column;
  }
  
  .card-thumbnail {
    width: 100%;
    height: 180px;
  }
  
  .modal-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  
  .modal-header h3 {
    white-space: normal;
  }
  
  .modal-actions {
    width: 100%;
    justify-content: space-between;
  }
}

/* Auth status and user info */
.auth-status {
  margin-top: 0.5rem;
}

.user-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 3px var(--color-shadow);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

/* Login section */
.login-section {
  margin-bottom: calc(var(--spacing) * 2);
}

.login-card {
  background: var(--color-surface);
  padding: calc(var(--spacing) * 2);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px var(--color-shadow);
  text-align: center;
  max-width: 500px;
  margin: 0 auto;
}

.login-card h2 {
  margin-bottom: 1rem;
  color: var(--color-text);
}

.login-card p {
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
}

.login-note {
  font-size: 0.9rem;
  color: var(--color-success);
  font-weight: 500;
}