:root {
  color-scheme: light;
  --fg: #1c1c1e;
  --muted: #6b7280;
  --border: #e2e2e6;
  --accent: #4F46E5;
  --accent-2: #9333EA;
  --accent-fg: #ffffff;
  --error: #b91c1c;
  --success: #15803d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--fg);
  background: #fafafa;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: #fff;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--fg);
}

.brand-mark {
  display: block;
  border-radius: 6px;
}

.site-header nav a {
  margin-left: 1rem;
  text-decoration: none;
  color: var(--fg);
}

.site-header nav a:hover {
  color: var(--accent);
}

.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.hero ul {
  line-height: 1.6;
}

.hero .tagline {
  color: var(--muted);
  margin-top: -0.5rem;
}

.button {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  margin-right: 0.75rem;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--accent-fg);
  text-decoration: none;
  font-weight: 600;
}

.button.secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 420px;
  margin-bottom: 1.5rem;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.9rem;
  color: var(--muted);
}

input {
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
}

button {
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 6px;
  background: var(--accent);
  color: var(--accent-fg);
  font-weight: 600;
  cursor: pointer;
  align-self: flex-start;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin: 1rem 0 2rem;
}

.stat-card {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--fg);
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg);
}

.stat-sub {
  font-size: 0.75rem;
  color: var(--muted);
}

.urls-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.urls-table th,
.urls-table td {
  text-align: left;
  padding: 0.6rem 0.5rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.urls-table .truncate {
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.urls-table form {
  margin: 0;
  flex-direction: row;
}

.copy-btn {
  margin-left: 0.5rem;
  padding: 0.2rem 0.6rem;
  font-size: 0.8rem;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--border);
}

.copy-btn:hover {
  border-color: var(--accent);
}

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

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

.site-footer {
  text-align: center;
  color: var(--muted);
  padding: 2rem 0;
  font-size: 0.85rem;
}

.site-footer a {
  color: var(--accent);
}