:root {
  --bg-primary: #0f172a;
  --bg-card: #1e293b;
  --bg-card-hover: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --border-color: #334155;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --purple: #8b5cf6;
  --radius: 8px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

nav {
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--primary);
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--text-primary);
}

.container {
  max-width: 1100px;
  width: 100%;
  margin: 2rem auto;
  padding: 0 1rem;
  flex: 1;
}

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

h1, h2, h3 {
  margin-bottom: 1rem;
  font-weight: 600;
}

p.subtitle {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-weight: 500;
  cursor: pointer;
  border: none;
  text-decoration: none;
  font-size: 0.875rem;
  transition: all 0.2s;
}

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

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

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

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

.btn-sm {
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
}

.form-group {
  margin-bottom: 1rem;
}

label {
  display: block;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

input[type="text"],
input[type="url"],
select,
textarea {
  width: 100%;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.9rem;
}

input[type="file"] {
  width: 100%;
  padding: 0.5rem 0;
  color: var(--text-secondary);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
}

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

.badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-start { background-color: rgba(16, 185, 129, 0.2); color: var(--success); border: 1px solid var(--success); }
.badge-end { background-color: rgba(239, 68, 68, 0.2); color: var(--danger); border: 1px solid var(--danger); }
.badge-both { background-color: rgba(139, 92, 246, 0.2); color: var(--purple); border: 1px solid var(--purple); }
.badge-status { background-color: var(--bg-card-hover); color: var(--text-secondary); }
.badge-processed { background-color: rgba(16, 185, 129, 0.2); color: var(--success); }
.badge-analyzing { background-color: rgba(245, 158, 11, 0.2); color: var(--warning); }
.badge-error { background-color: rgba(239, 68, 68, 0.2); color: var(--danger); }

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

.table th, .table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.table th {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.8rem;
}

.timeline {
  margin: 1rem 0;
  background-color: var(--bg-primary);
  height: 24px;
  border-radius: 4px;
  position: relative;
  overflow: hidden;
  display: flex;
}

.timeline-segment-content {
  background-color: #3b82f6;
  height: 100%;
}

.timeline-segment-ad {
  background-color: #ef4444;
  height: 100%;
}

.copy-box {
  display: flex;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 0.5rem;
}

.copy-box input {
  border: none;
  background: transparent;
  padding: 0.5rem 0.75rem;
  flex: 1;
}

.copy-box button {
  background-color: var(--bg-card-hover);
  border: none;
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  cursor: pointer;
  font-size: 0.8rem;
}

.copy-box button:hover {
  background-color: var(--primary);
}

audio {
  width: 100%;
  height: 36px;
  border-radius: var(--radius);
  margin-top: 0.5rem;
}

.spinner {
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top: 3px solid var(--primary);
  border-radius: 50%;
  width: 28px;
  height: 28px;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}