/* Admin console: a desk tool, so a quiet slate palette of its own rather than either brand's. */
:root {
  --font-display: -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: ui-monospace, 'Cascadia Code', 'SF Mono', Consolas, monospace;
  --bg: #f5f6f7;
  --surface: #e9ebed;
  --ink: #14181c;
  --ink-dim: #5c6570;
  --line: rgba(20, 24, 28, 0.14);
  --accent: #3a5a7a;
  --accent-ink: #ffffff;
  --danger: #b3392f;
  --ok: #2f7a4a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101317;
    --surface: #171b20;
    --ink: #e7e9eb;
    --ink-dim: #939ba5;
    --line: rgba(231, 233, 235, 0.14);
    --accent: #7fa3c4;
    --accent-ink: #0a1016;
    --danger: #e0665c;
    --ok: #6cc08b;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-display);
  line-height: 1.55;
  font-size: 15px;
}

a { color: var(--accent); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.headline { font-size: 24px; font-weight: 600; margin: 6px 0 20px; }
.lede { color: var(--ink-dim); margin: -8px 0 20px; }

.admin-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 18px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
.admin-nav-brand { font-weight: 700; margin-right: 6px; }
.admin-nav a { color: var(--ink-dim); text-decoration: none; font-size: 14px; }
.admin-nav a:hover, .admin-nav a.active { color: var(--ink); }
.admin-nav a.active { font-weight: 600; }
.admin-nav-user { margin-left: auto; display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--ink-dim); }

.admin-body { max-width: 1100px; margin: 0 auto; padding: 32px 24px 64px; }
.narrow { max-width: 360px; margin: 80px auto; padding: 0 24px; }

label { display: block; font-size: 14px; font-weight: 600; }
.field {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg);
  color: var(--ink);
  font: 400 14px var(--font-display);
}
textarea.field { min-height: 160px; font-family: var(--font-mono); font-size: 13px; }
textarea.field.tall { min-height: 360px; }
select.field { width: auto; min-width: 160px; }

.form-stack { display: flex; flex-direction: column; gap: 16px; max-width: 680px; }
.form-row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 20px; }
.form-row .field { width: auto; }
fieldset { border: 1px solid var(--line); border-radius: 6px; padding: 12px; }
fieldset label { font-weight: 400; }
.checks { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 2px 12px; max-height: 260px; overflow: auto; }
.checkline { display: flex; align-items: center; gap: 6px; font-weight: 400; }

.error-text { color: var(--danger); font-size: 13px; margin: 0; }

.btn-primary, .btn-destructive, .btn-ghost {
  display: inline-block;
  font: 600 13.5px var(--font-display);
  border-radius: 6px;
  padding: 7px 14px;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-destructive { background: var(--danger); color: #fff; }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--ink-dim); }
.btn-ghost:hover { color: var(--ink); }
button:disabled { opacity: 0.5; cursor: default; }
.inline-form { display: inline; margin: 0; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: flex-start; }
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 16px; }

.table-wrap { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.admin-table th {
  text-align: left;
  font: 400 10.5px var(--font-mono);
  text-transform: uppercase;
  color: var(--ink-dim);
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
}
.admin-table td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.mono { font-family: var(--font-mono); font-size: 12.5px; word-break: break-all; }
.dim { color: var(--ink-dim); font-size: 12.5px; }
.clip { max-width: 380px; }

.pill {
  display: inline-block;
  font: 400 10.5px var(--font-mono);
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-dim);
  border: 1px solid var(--line);
  white-space: nowrap;
}

.review-card { border: 1px solid var(--line); border-radius: 8px; padding: 16px 20px; background: var(--surface); margin-bottom: 16px; }
.review-card h2 { font-size: 17px; margin: 0 0 6px; }
.review-card p { color: var(--ink-dim); margin: 0 0 10px; }
.review-card details { margin: 8px 0; }
.review-card pre { white-space: pre-wrap; font: 12.5px var(--font-mono); max-height: 320px; overflow: auto; }
.tags { display: flex; gap: 6px; flex-wrap: wrap; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.stat-card { display: flex; flex-direction: column; gap: 4px; border: 1px solid var(--line); border-radius: 8px; padding: 18px 20px; background: var(--surface); }
.stat-card-label { font: 400 11px var(--font-mono); text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-dim); }
.stat-card-value { font-size: 28px; font-weight: 700; font-variant-numeric: tabular-nums; }

.state-box { border: 1px dashed var(--line); border-radius: 8px; padding: 40px 20px; text-align: center; color: var(--ink-dim); margin-bottom: 16px; }
.state-box.error { border-color: var(--danger); color: var(--danger); }
.flash { border-radius: 8px; padding: 10px 14px; margin-bottom: 16px; font-size: 14px; border: 1px solid; }
.flash.error { border-color: var(--danger); color: var(--danger); }
.flash.notice { border-color: var(--ok); color: var(--ok); }

.pager { display: flex; gap: 10px; align-items: center; margin-top: 16px; font-size: 14px; }

/* Course module editor */
.module-card { border: 1px solid var(--line); border-radius: 10px; padding: 12px; margin-top: 12px; }
.module-head { display: flex; align-items: center; gap: 6px; margin-bottom: 8px; }
.module-head .label { font: 12px var(--font-mono); color: var(--ink-dim); margin-right: auto; }
.quiz { margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line); }
.question { border: 1px solid var(--line); border-radius: 8px; padding: 10px; margin-top: 10px; }
.option { display: flex; align-items: center; gap: 8px; margin-top: 4px; }
.option .field, .question-head .field { margin-top: 0; }
.question-head { display: flex; gap: 8px; margin-bottom: 6px; }

@media (max-width: 640px) {
  .admin-nav { padding: 10px 16px; }
  .admin-body { padding: 24px 16px 48px; }
  .admin-nav-user { margin-left: 0; width: 100%; }
}