:root,
[data-theme="dark"] {
  --bg: #0f1419;
  --surface: #1a2332;
  --surface-2: #243044;
  --text: #f0f4f8;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --danger: #f87171;
  --ok: #86efac;
  --border: #334155;
  --btn-primary-text: #082f49;
  --dialog-backdrop: rgba(0, 0, 0, 0.65);
  --radius: 16px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f1f5f9;
    --surface: #ffffff;
    --surface-2: #e2e8f0;
    --text: #0f172a;
    --muted: #64748b;
    --accent: #0284c7;
    --danger: #dc2626;
    --ok: #15803d;
    --border: #cbd5e1;
    --btn-primary-text: #f0f9ff;
    --dialog-backdrop: rgba(15, 23, 42, 0.4);
  }
}

[data-theme="light"] {
  --bg: #f1f5f9;
  --surface: #ffffff;
  --surface-2: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --accent: #0284c7;
  --danger: #dc2626;
  --ok: #15803d;
  --border: #cbd5e1;
  --btn-primary-text: #f0f9ff;
  --dialog-backdrop: rgba(15, 23, 42, 0.4);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
}

a {
  color: inherit;
  text-decoration: none;
}

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.page-title {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 700;
  margin: 0;
}

.page-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.nav-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 8px 16px;
  border-radius: 10px;
  border: none;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

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

.btn-secondary {
  background: var(--surface-2);
  color: var(--text);
  border: 2px solid var(--border);
}

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

.btn:hover {
  filter: brightness(1.08);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-grid {
  display: grid;
  gap: 16px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.95rem;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group select {
  width: 100%;
  min-height: 44px;
  padding: 10px 14px;
  border-radius: 10px;
  border: 2px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  color: var(--text);
}

.checkbox-row input {
  width: 18px;
  height: 18px;
}

.form-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.flash {
  margin-bottom: 16px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-2);
}

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

.flash.ok {
  border-color: var(--ok);
  color: var(--ok);
}

.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-wrap {
  width: 100%;
  max-width: 360px;
  margin: 0;
}

.login-card {
  padding: 28px;
}

.login-actions {
  margin-top: 0;
}

.login-actions .btn {
  width: 100%;
}

.table-wrap {
  overflow-x: auto;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

table.data-table th,
table.data-table td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
  white-space: nowrap;
}

table.data-table th {
  color: var(--muted);
  font-weight: 600;
}

table.data-table th.sortable {
  cursor: pointer;
  user-select: none;
}

table.data-table th.sortable:hover {
  color: var(--accent);
}

table.data-table th .sort-indicator {
  margin-left: 4px;
  color: var(--accent);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--surface-2);
  font-size: 0.85rem;
}

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

.badge.bad {
  color: var(--danger);
}

.row-actions {
  display: flex;
  gap: 8px;
}

.empty-state {
  color: var(--muted);
  padding: 24px 0;
  text-align: center;
}

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