/* Database Server Web - shared styles */
:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --border: #2d3a4d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --accent-hover: #79b8ff;
  --success: #3fb950;
  --error: #f85149;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
}

/* Landing */
.landing-header {
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
}
.landing-header h1 {
  margin: 0 0 0.25rem 0;
  font-size: 1.75rem;
  font-weight: 600;
}
.landing-header p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.landing-hero {
  padding: 3rem 0;
  text-align: center;
}
.landing-hero h2 {
  font-size: 2rem;
  font-weight: 600;
  margin: 0 0 1rem 0;
}
.landing-hero p {
  color: var(--muted);
  font-size: 1.125rem;
  max-width: 36em;
  margin: 0 auto 2rem auto;
}

.landing-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.feature-card h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1rem;
  font-weight: 600;
}
.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.landing-cta {
  text-align: center;
  padding: 2rem 0;
}
.btn {
  display: inline-block;
  padding: 0.6rem 1.25rem;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover {
  background: var(--accent-hover);
  color: var(--bg);
  text-decoration: none;
}
.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  margin-left: 0.5rem;
}

.landing-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.875rem;
  text-align: center;
}

/* Admin */
.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}
.admin-header h1 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
}
.admin-header .user {
  color: var(--muted);
  font-size: 0.9rem;
}
.admin-header .user span {
  color: var(--text);
}
.admin-header a.logout {
  margin-left: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.form-group {
  margin-bottom: 1rem;
}
.form-group label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.9rem;
  color: var(--muted);
}
.form-group input {
  width: 100%;
  max-width: 320px;
  padding: 0.5rem 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 1rem;
}
.form-group input:focus {
  outline: none;
  border-color: var(--accent);
}

.login-box {
  max-width: 360px;
  margin: 4rem auto;
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.login-box h2 {
  margin: 0 0 1.5rem 0;
  font-size: 1.25rem;
}
.login-box .btn {
  width: 100%;
  margin-top: 0.5rem;
}
.login-box .error {
  color: var(--error);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.stat-card h4 {
  margin: 0 0 0.25rem 0;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
  text-transform: uppercase;
}
.stat-card .value {
  font-size: 1.5rem;
  font-weight: 600;
}
.stat-card .value.ok {
  color: var(--success);
}
.stat-card .value.error {
  color: var(--error);
}

.section {
  margin: 2rem 0;
}
.section h2 {
  margin: 0 0 1rem 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.log-list {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.log-list table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.log-list th,
.log-list td {
  padding: 0.5rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.log-list th {
  color: var(--muted);
  font-weight: 500;
}
.log-list tr:last-child td {
  border-bottom: none;
}

.loading {
  color: var(--muted);
  padding: 1rem;
}
.empty {
  color: var(--muted);
  padding: 1.5rem;
  text-align: center;
}

.hidden {
  display: none;
}