/* Design language reused from droplanawatch: system fonts, one teal accent,
   shadow-elevated cards over hairline borders, generous but not oversized space.
   Adapted here for a dense admin/CRUD tool: fixed sidebar nav + tables. */

:root {
  --bg: #f5f7f9;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --ink: #13161c;
  --ink-muted: #667085;
  --accent: #0f9e93;
  --accent-hover: #0c7f76;
  --on-accent: #ffffff;
  --border: #e8eaee;

  --good: #16a34a;
  --good-bg: rgba(22, 163, 74, 0.1);
  --good-border: rgba(22, 163, 74, 0.24);

  --warning: #d97706;
  --warning-bg: rgba(217, 119, 6, 0.1);
  --warning-border: rgba(217, 119, 6, 0.26);

  --critical: #dc2626;
  --critical-bg: rgba(220, 38, 38, 0.08);
  --critical-border: rgba(220, 38, 38, 0.24);

  --none: #dde1e6;

  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(19, 22, 28, 0.05), 0 6px 16px rgba(19, 22, 28, 0.07);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0c0e12;
    --surface: #15181f;
    --surface-2: #1c2029;
    --ink: #f0f1f4;
    --ink-muted: #9298a8;
    --accent: #2dd4c5;
    --accent-hover: #5fe1d5;
    --on-accent: #06201d;
    --border: #262a34;
    --good: #4ade80; --good-bg: rgba(74, 222, 128, 0.14); --good-border: rgba(74, 222, 128, 0.32);
    --warning: #fbbf24; --warning-bg: rgba(251, 191, 36, 0.14); --warning-border: rgba(251, 191, 36, 0.32);
    --critical: #f87171; --critical-bg: rgba(248, 113, 113, 0.14); --critical-border: rgba(248, 113, 113, 0.32);
    --none: #2a2f3a;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.25), 0 6px 16px rgba(0, 0, 0, 0.3);
  }
}

* { box-sizing: border-box; }
html { color-scheme: light dark; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 { margin: 0 0 4px; letter-spacing: -0.01em; }

/* ---- shell / sidebar ---------------------------------------------------- */

.shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 220px;
  flex: none;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.sidebar__brand { font-weight: 700; font-size: 1.05rem; padding: 0 8px; }
.sidebar__brand span { color: var(--accent); }

.sidebar__nav { display: flex; flex-direction: column; gap: 2px; }

.sidebar__link {
  display: block;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  color: var(--ink-muted);
  font-weight: 500;
  font-size: 0.92rem;
}
.sidebar__link:hover { background: var(--surface-2); color: var(--ink); text-decoration: none; }
.sidebar__link.active { background: var(--accent); color: var(--on-accent); }

.sidebar__footer { margin-top: auto; font-size: 0.82rem; color: var(--ink-muted); padding: 0 8px; }
.sidebar__footer form { margin-top: 6px; }
.sidebar__footer button {
  background: none; border: none; padding: 0; color: var(--ink-muted); font-size: 0.82rem; cursor: pointer; text-decoration: underline;
}

.content { flex: 1; min-width: 0; padding: 28px 36px 60px; }
.content__header {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap;
}
.content__header p { margin: 4px 0 0; color: var(--ink-muted); }

@media (max-width: 860px) {
  .shell { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; overflow-x: auto; }
  .sidebar__nav { flex-direction: row; }
  .sidebar__footer { display: none; }
  .content { padding: 20px; }
}

/* ---- cards / panels ------------------------------------------------------ */

.card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 24px;
  margin-bottom: 20px;
}
.card h2 { font-size: 1rem; font-weight: 700; }

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.stat { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px 20px; }
.stat__label { font-size: 0.78rem; font-weight: 600; color: var(--ink-muted); text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 8px; }
.stat__value { font-size: 1.7rem; font-weight: 700; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }

/* ---- tables --------------------------------------------------------------- */

.table-wrap { overflow-x: auto; background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); }

table { width: 100%; border-collapse: collapse; font-size: 0.89rem; }
th {
  text-align: left; font-weight: 600; color: var(--ink-muted); font-size: 0.76rem;
  text-transform: uppercase; letter-spacing: 0.03em; padding: 12px 16px; border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
td { padding: 11px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--surface-2); }

.muted { color: var(--ink-muted); }
.mono { font-family: var(--font-mono); font-size: 0.85em; }

/* ---- badges ----------------------------------------------------------------- */

.badge {
  display: inline-flex; align-items: center; gap: 5px; font-size: 0.76rem; font-weight: 600;
  padding: 3px 10px; border-radius: 999px; white-space: nowrap; border: 1px solid transparent;
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; }

.badge--neutral { background: var(--surface-2); color: var(--ink-muted); }
.badge--neutral::before { background: var(--ink-muted); }

.badge--good { background: var(--good-bg); color: var(--good); border-color: var(--good-border); }
.badge--good::before { background: var(--good); }

.badge--warning { background: var(--warning-bg); color: var(--warning); border-color: var(--warning-border); }
.badge--warning::before { background: var(--warning); }

.badge--critical { background: var(--critical-bg); color: var(--critical); border-color: var(--critical-border); }
.badge--critical::before { background: var(--critical); }

.badge--accent { background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent-hover); border-color: color-mix(in srgb, var(--accent) 35%, transparent); }
.badge--accent::before { background: var(--accent); }

/* ---- forms -------------------------------------------------------------------- */

label { display: block; font-size: 0.84rem; font-weight: 600; color: var(--ink-muted); margin-bottom: 5px; }

input[type="text"], input[type="email"], input[type="password"], input[type="search"],
input[type="number"], select, textarea {
  width: 100%; font-family: inherit; font-size: 0.92rem; color: var(--ink);
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 9px 12px; margin-bottom: 14px;
}
textarea { min-height: 120px; resize: vertical; font-family: var(--font-mono); }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

.form-row { display: flex; flex-direction: column; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 20px; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

.field-error { color: var(--critical); font-size: 0.8rem; margin: -10px 0 12px; }
.validation-summary { color: var(--critical); background: var(--critical-bg); border: 1px solid var(--critical-border); border-radius: var(--radius-sm); padding: 10px 14px; margin-bottom: 16px; font-size: 0.88rem; }
.validation-summary ul { margin: 0; padding-left: 18px; }

/* ---- buttons -------------------------------------------------------------------- */

.btn {
  display: inline-flex; align-items: center; gap: 6px; font-family: inherit; font-size: 0.88rem; font-weight: 600;
  padding: 9px 16px; border-radius: var(--radius-sm); border: 1px solid var(--border); cursor: pointer;
  background: var(--surface); color: var(--ink); text-decoration: none; line-height: 1.2;
}
.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn--primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn--primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn--danger { color: var(--critical); border-color: var(--critical-border); }
.btn--danger:hover { background: var(--critical-bg); }
.btn--sm { padding: 5px 11px; font-size: 0.8rem; }
.btn-row { display: flex; gap: 10px; align-items: center; margin-top: 4px; }

/* ---- toolbar / filters -------------------------------------------------------- */

.toolbar { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 18px; }
.toolbar .form-row { margin-bottom: 0; }
.toolbar input, .toolbar select { margin-bottom: 0; min-width: 150px; }

.pagination { display: flex; gap: 8px; align-items: center; margin-top: 16px; font-size: 0.85rem; color: var(--ink-muted); }

/* ---- misc ------------------------------------------------------------------------ */

.empty-state { text-align: center; padding: 40px 20px; color: var(--ink-muted); }

.chip-list { display: flex; flex-wrap: wrap; gap: 8px; }

.variable-hint {
  display: inline-block; font-family: var(--font-mono); font-size: 0.78rem; background: var(--surface-2);
  border-radius: 999px; padding: 3px 9px; margin: 2px 4px 2px 0; color: var(--ink-muted);
}

.section-title { font-size: 1.15rem; font-weight: 700; margin: 26px 0 12px; }
.section-title:first-child { margin-top: 0; }

.alert { border-radius: var(--radius-sm); padding: 12px 16px; margin-bottom: 18px; font-size: 0.88rem; }
.alert--success { background: var(--good-bg); color: var(--good); border: 1px solid var(--good-border); }
.alert--warning { background: var(--warning-bg); color: var(--warning); border: 1px solid var(--warning-border); }

/* ---- auth page ------------------------------------------------------------------- */

.auth-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg);
}
.auth-card { width: 340px; background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 32px; }
.auth-card h1 { font-size: 1.2rem; margin-bottom: 18px; }