/* Frontier Desk — mobile-first styles
 * Keep it small, fast, readable. No framework.
 */

:root {
  --bg: #ffffff;
  --bg-soft: #f7f7f8;
  --fg: #151821;
  --fg-muted: #5c6270;
  --border: #e5e7ea;
  --accent: #2b5cff;
  --accent-soft: #e6edff;
  --survey: #16a34a;
  --warn: #b45309;
  --error: #b91c1c;
  --card-shadow: 0 1px 2px rgba(0,0,0,0.06);
  --radius: 12px;
  --radius-sm: 8px;
  --max-col: 720px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #10131a;
    --bg-soft: #171b24;
    --fg: #e6e8ee;
    --fg-muted: #8b90a0;
    --border: #222733;
    --accent: #7c9cff;
    --accent-soft: #1c2444;
    --survey: #4ade80;
    --card-shadow: 0 1px 2px rgba(0,0,0,0.4);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

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

/* ---------- Layout ---------- */
.page {
  max-width: var(--max-col);
  margin: 0 auto;
  padding: 0 16px 80px;
}

header.site-header {
  position: sticky; top: 0; z-index: 10;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
  max-width: var(--max-col);
  margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  gap: 8px;
}

header.site-header h1 {
  font-size: 17px; margin: 0;
  letter-spacing: -0.01em;
}
header.site-header h1 .brand-sub {
  color: var(--fg-muted); font-weight: 400; font-size: 12px;
  margin-left: 6px;
}

.header-meta {
  font-size: 12px; color: var(--fg-muted);
  text-align: right; line-height: 1.3;
}

.nav-bottom {
  position: fixed; bottom: 0; left: 0; right: 0;
  max-width: var(--max-col); margin: 0 auto;
  background: var(--bg);
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-around;
  padding: 6px 0 calc(6px + env(safe-area-inset-bottom));
  z-index: 10;
}
.nav-bottom a {
  flex: 1; text-align: center;
  color: var(--fg-muted); font-size: 11px;
  padding: 4px 0;
}
.nav-bottom a.active { color: var(--accent); }
.nav-bottom .nav-ico { display: block; font-size: 18px; margin-bottom: 2px; }

/* ---------- Cards ---------- */
.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin: 12px 0;
  box-shadow: var(--card-shadow);
}
.card-title {
  font-size: 15px; font-weight: 600; margin: 0 0 6px;
  line-height: 1.4;
}
.card-meta {
  font-size: 12px; color: var(--fg-muted);
  display: flex; flex-wrap: wrap; gap: 6px 10px;
  margin-bottom: 6px;
}
.card-meta .dot::before { content: "·"; margin-right: 10px; color: var(--border); }
.card-summary {
  font-size: 13.5px; color: var(--fg-muted);
  display: -webkit-box; -webkit-line-clamp: 3;
  -webkit-box-orient: vertical; overflow: hidden;
  margin-top: 4px;
}
.card-summary.expanded {
  -webkit-line-clamp: unset; overflow: visible; color: var(--fg);
}

.card-actions {
  display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap;
}
.btn {
  display: inline-block; padding: 5px 12px;
  font-size: 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--bg-soft);
  color: var(--fg); cursor: pointer;
}
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.active { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }

/* ---------- Badges ---------- */
.badge {
  display: inline-block; padding: 1px 8px;
  font-size: 11px; border-radius: 999px;
  background: var(--bg-soft); color: var(--fg-muted);
  border: 1px solid var(--border);
}
.badge.accent { background: var(--accent-soft); color: var(--accent); border-color: var(--accent-soft); }
.badge.survey { background: rgba(22,163,74,0.1); color: var(--survey); border-color: rgba(22,163,74,0.25); }
.badge.warn { background: rgba(180,83,9,0.1); color: var(--warn); border-color: rgba(180,83,9,0.25); }
.badge.entry { background: rgba(34,197,94,0.1); color: #16a34a; border-color: rgba(34,197,94,0.25); }
.badge.scan { background: rgba(59,130,246,0.1); color: #2563eb; border-color: rgba(59,130,246,0.25); }
.badge.deeper { background: rgba(234,179,8,0.12); color: #a16207; border-color: rgba(234,179,8,0.25); }
.badge.skip { background: rgba(220,38,38,0.08); color: #b91c1c; border-color: rgba(220,38,38,0.2); }

.score-bar {
  display: inline-block; width: 40px; height: 4px;
  background: var(--border); border-radius: 2px; overflow: hidden;
  vertical-align: middle; margin-right: 6px;
}
.score-bar > span {
  display: block; height: 100%;
  background: var(--accent);
}

/* ---------- Sections ---------- */
.section {
  margin: 20px 0 8px;
}
.section-header {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 8px;
}
.section-header h2 {
  font-size: 15px; margin: 0; font-weight: 600;
}
.section-header .more {
  font-size: 12px; color: var(--fg-muted);
}
.section-sub {
  font-size: 12px; color: var(--fg-muted);
  margin: -2px 0 10px;
}

.status-bar {
  font-size: 12px; color: var(--fg-muted);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px; margin: 12px 0;
  display: flex; align-items: center; gap: 8px;
}
.status-bar .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--survey);
}
.status-bar.warn .dot { background: var(--warn); }
.status-bar.err .dot { background: var(--error); }

.filters {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin: 10px 0 12px;
}
.filters select, .filters input {
  font-size: 13px; padding: 6px 10px;
  border: 1px solid var(--border);
  background: var(--bg); color: var(--fg);
  border-radius: var(--radius-sm);
}
.filters select { min-width: 110px; }

/* ---------- Empty / loading ---------- */
.loading { text-align: center; color: var(--fg-muted); padding: 40px 0; }
.empty {
  text-align: center; color: var(--fg-muted);
  padding: 40px 20px; font-size: 14px;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed; bottom: 72px; left: 50%;
  transform: translateX(-50%);
  background: var(--fg); color: var(--bg);
  padding: 8px 16px; border-radius: 999px;
  font-size: 13px; opacity: 0;
  transition: opacity 0.2s;
  z-index: 100;
}
.toast.show { opacity: 0.95; }

/* ---------- Desktop breakpoint ---------- */
@media (min-width: 760px) {
  .page { padding: 0 24px 40px; }
  header.site-header { padding: 14px 24px; }
  .card { padding: 18px 20px; }
}

/* ---------- Utility ---------- */
.text-muted { color: var(--fg-muted); }
.text-sm { font-size: 12px; }
.text-lg { font-size: 18px; }
.mono { font-family: "SF Mono", Menlo, Consolas, monospace; font-size: 12px; }

/* Prevent FOUC */
body.pending { opacity: 0; }