:root {
  color-scheme: light dark;
  --bg: #f5f6f8;
  --surface: #ffffff;
  --border: #dde1e6;
  --text: #1c2126;
  --text-muted: #5b6470;
  --accent: #2f6fed;
  --accent-contrast: #ffffff;
  --danger: #d64545;
  --stale-bg: #fff6e5;
  --ok-bg: #e5f6ea;
  --ok-text: #1f8a3d;
  --disabled-bg: #eceff2;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c;
    --surface: #1c2128;
    --border: #2c333c;
    --text: #e6e9ed;
    --text-muted: #9aa4b1;
    --accent: #5b8dfc;
    --accent-contrast: #0b1220;
    --stale-bg: #332a12;
    --ok-bg: #123321;
    --ok-text: #4fd07a;
    --disabled-bg: #232830;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

.loading-screen,
.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem;
  max-width: 380px;
  text-align: center;
}

.login-card h1 {
  margin-top: 0;
  font-size: 1.4rem;
}

.login-card p {
  color: var(--text-muted);
}

.app-shell {
  min-height: 100vh;
}

.app-header {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 0.75rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.app-header .brand {
  font-weight: 600;
}

.app-header nav {
  display: flex;
  gap: 1rem;
  flex: 1;
}

.app-header nav a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
}

.app-header nav a.active,
.app-header nav a:hover {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.user-info a {
  color: var(--accent);
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  align-items: center;
}

.filter-bar select,
.filter-bar input[type="search"] {
  padding: 0.4rem 0.6rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.server-group {
  margin-bottom: 2rem;
}

.server-group h2 {
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.4rem;
}

.schedule-type-group {
  margin-bottom: 1.25rem;
}

.schedule-type-group h3 {
  color: var(--text-muted);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.5rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

th,
td {
  text-align: left;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
}

tr:last-child td {
  border-bottom: none;
}

tr.stale {
  opacity: 0.65;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.85rem;
}

.schedule-human {
  font-size: 0.85rem;
}

.schedule-raw {
  display: block;
  color: var(--text-muted);
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-ok {
  background: var(--ok-bg);
  color: var(--ok-text);
}

.badge-disabled {
  background: var(--disabled-bg);
  color: var(--text-muted);
}

.badge-stale {
  background: var(--stale-bg);
  color: #a16207;
}

.empty-state,
.loading-inline {
  color: var(--text-muted);
  padding: 2rem 0;
  text-align: center;
}

.error-banner {
  background: #fdecec;
  color: var(--danger);
  border: 1px solid #f3b8b8;
  padding: 0.6rem 0.9rem;
  border-radius: 6px;
  margin-bottom: 1rem;
}

.btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  font-size: 0.9rem;
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-contrast);
}

.btn-small {
  padding: 0.3rem 0.6rem;
  font-size: 0.8rem;
  margin-right: 0.4rem;
}

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

.add-server form {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.add-server input {
  padding: 0.45rem 0.6rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  flex: 1;
  min-width: 160px;
}

.token-reveal {
  background: var(--ok-bg);
  border: 1px solid var(--ok-text);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

.token-value {
  display: block;
  background: var(--surface);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  margin: 0.5rem 0;
  word-break: break-all;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.install-command {
  background: var(--surface);
  padding: 0.75rem;
  border-radius: 6px;
  overflow-x: auto;
  font-size: 0.8rem;
}

.servers-admin section {
  margin-bottom: 2rem;
}

.actions {
  white-space: nowrap;
}