:root {
  --bg: #f5f6f8; --panel: #ffffff; --panel-2: #f8fafc; --text: #0f172a; --muted: #64748b; --border: #e2e8f0;
  --accent: #2563eb; --accent-text: #ffffff; --accent-weak: #e0e7ff; --good: #15803d; --good-weak: #dcfce7;
  --warn: #b45309; --warn-weak: #fef3c7; --bad: #b91c1c; --bad-weak: #fee2e2;
  --radius: 12px; --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 4px 16px rgba(15, 23, 42, .04);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0f17; --panel: #121826; --panel-2: #0f1520; --text: #e5e7eb; --muted: #94a3b8; --border: #1f2a3a;
    --accent: #60a5fa; --accent-text: #0b0f17; --accent-weak: #1e2a44; --good: #4ade80; --good-weak: #12301f;
    --warn: #fbbf24; --warn-weak: #3a2d0c; --bad: #f87171; --bad-weak: #3a1515;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4); color-scheme: dark;
  }
}
* { box-sizing: border-box; }
/* accessibility */
.skip { position: absolute; left: 8px; top: -60px; z-index: 100; background: var(--accent); color: var(--accent-text); padding: 10px 14px; border-radius: 8px; font-weight: 600; }
.skip:focus { top: 8px; text-decoration: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
h1:focus { outline: none; }
@media (pointer: coarse) { .btn, .chip, .tabs button { min-height: 44px; } .btn.sm { min-height: 40px; } .chip { padding: 6px 12px; } }
@media (prefers-contrast: more) { :root { --muted: #334155; --border: #94a3b8; } }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.55 var(--font); -webkit-text-size-adjust: 100%; }
.thumbs { display: inline-flex; gap: 4px; }
.thumbs .btn.on-up { background: var(--good-weak); color: var(--good); border-color: transparent; }
.thumbs .btn.on-down { background: var(--bad-weak); color: var(--bad); border-color: transparent; }
.todo { display: flex; flex-direction: column; gap: 8px; }
.todo a { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 10px; background: var(--panel-2); border: 1px solid var(--border); color: var(--text); }
.todo a:hover { border-color: var(--accent); text-decoration: none; }
.todo .n { min-width: 28px; height: 28px; border-radius: 999px; display: grid; place-items: center; background: var(--accent); color: var(--accent-text); font-weight: 700; font-size: .85rem; }
.qa { border-top: 1px solid var(--border); padding: 12px 0; }
.qa:first-child { border-top: 0; }
.qa .q { font-weight: 600; margin-bottom: 4px; }
.qa .a { white-space: pre-wrap; }
.people a { display: block; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; margin-bottom: 8px; color: var(--text); background: var(--panel-2); }
.people a:hover { border-color: var(--accent); text-decoration: none; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; margin: 0 0 .25rem; letter-spacing: -.01em; }
h2 { font-size: 1.05rem; margin: 0 0 .75rem; }
h3 { font-size: .95rem; margin: 0 0 .5rem; }
p { margin: .25rem 0 .75rem; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .85rem; word-break: break-all; }
.hidden { display: none !important; }

/* layout */
.app { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }
.side { position: sticky; top: 0; height: 100vh; padding: 20px 12px; border-right: 1px solid var(--border); background: var(--panel); display: flex; flex-direction: column; gap: 4px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; padding: 0 10px 16px; }
.brand img { width: 28px; height: 28px; border-radius: 7px; }
.nav a { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 8px; color: var(--text); font-weight: 500; }
.nav a:hover { background: var(--panel-2); text-decoration: none; }
.nav a.active { background: var(--accent-weak); color: var(--accent); }
.nav svg { width: 18px; height: 18px; flex: none; }
.side .foot { margin-top: auto; display: flex; flex-direction: column; gap: 6px; padding: 0 10px; }
main { padding: 28px 32px 96px; max-width: 1180px; width: 100%; }
.topbar { display: none; }
.tabbar { display: none; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }

@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .side { display: none; }
  main { padding: 16px 16px 96px; }
  .topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; position: sticky; top: 0; z-index: 5;
    padding: 12px 16px; padding-top: max(12px, env(safe-area-inset-top)); background: var(--panel); border-bottom: 1px solid var(--border); }
  .topbar .brand { padding: 0; }
  .tabbar { display: grid; grid-template-columns: repeat(5, 1fr); position: fixed; bottom: 0; left: 0; right: 0; z-index: 5;
    background: var(--panel); border-top: 1px solid var(--border); padding-bottom: env(safe-area-inset-bottom); }
  .tabbar a { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 8px 0 6px; font-size: .7rem; color: var(--muted); }
  .tabbar a.active { color: var(--accent); }
  .tabbar svg { width: 22px; height: 22px; }
  h1 { font-size: 1.3rem; }
}

/* surfaces */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); min-width: 0; }
.card + .card { margin-top: 16px; }
.grid { display: grid; gap: 16px; }
.grid > .card + .card { margin-top: 0; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kpi { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; color: var(--text); }
a.kpi:hover { text-decoration: none; border-color: var(--accent); }
.kpi .v { font-size: 1.7rem; font-weight: 700; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.kpi .l { color: var(--muted); font-size: .82rem; }
.kpi.hi { border-color: var(--accent); background: linear-gradient(0deg, var(--accent-weak), var(--panel)); }
@media (max-width: 860px) { .g2, .g3 { grid-template-columns: 1fr; } }

/* controls */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 8px 14px; border-radius: 9px; border: 1px solid var(--border);
  background: var(--panel); color: var(--text); font: 500 .9rem var(--font); cursor: pointer; white-space: nowrap; min-height: 38px; }
.btn:hover { background: var(--panel-2); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.primary:hover { filter: brightness(1.07); }
.btn.danger { color: var(--bad); }
.btn.sm { padding: 4px 10px; min-height: 30px; font-size: .82rem; }
.btn:disabled { opacity: .55; cursor: progress; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row.end { justify-content: flex-end; }
.spread { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
label { display: block; font-size: .85rem; font-weight: 600; margin: 0 0 4px; }
label .muted { font-weight: 400; }
.field { margin-bottom: 14px; }
.field.req label::after { content: " *"; color: var(--bad); }
input[type=text], input[type=url], input[type=email], input[type=number], input[type=date], input[type=search], select, textarea {
  width: 100%; padding: 9px 11px; border-radius: 9px; border: 1px solid var(--border); background: var(--panel-2); color: var(--text); font: inherit; }
textarea { min-height: 110px; resize: vertical; line-height: 1.5; }
textarea.tall { min-height: 320px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
input[type=range] { width: 100%; accent-color: var(--accent); }
.code-input { font-size: 1.6rem !important; letter-spacing: .4em; text-align: center; font-variant-numeric: tabular-nums; }
.switch { display: inline-flex; align-items: center; gap: 8px; font-weight: 500; cursor: pointer; margin: 0; }
.switch input { width: 18px; height: 18px; accent-color: var(--accent); }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 999px; border: 1px solid var(--border); background: var(--panel-2);
  font: .8rem var(--font); cursor: pointer; color: var(--text); }
.chip.on { background: var(--accent-weak); color: var(--accent); border-color: transparent; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 16px; overflow-x: auto; }
.tabs button { background: none; border: 0; border-bottom: 2px solid transparent; padding: 8px 12px; font: 600 .9rem var(--font); color: var(--muted); cursor: pointer; white-space: nowrap; }
.tabs button.on { color: var(--accent); border-color: var(--accent); }

/* badges + lists */
.badge { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 999px; font-size: .75rem; font-weight: 600; background: var(--panel-2); color: var(--muted); border: 1px solid var(--border); }
.badge.good { background: var(--good-weak); color: var(--good); border-color: transparent; }
.badge.warn { background: var(--warn-weak); color: var(--warn); border-color: transparent; }
.badge.bad { background: var(--bad-weak); color: var(--bad); border-color: transparent; }
.badge.acc { background: var(--accent-weak); color: var(--accent); border-color: transparent; }
.score { flex: none; width: 52px; height: 52px; border-radius: 12px; display: grid; place-content: center; font-weight: 700; font-variant-numeric: tabular-nums;
  background: var(--panel-2); border: 1px solid var(--border); line-height: 1.05; text-align: center; }
.score small { display: block; font-size: .58rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.score.s-hi { background: var(--good-weak); color: var(--good); border-color: transparent; }
.score.s-mid { background: var(--accent-weak); color: var(--accent); border-color: transparent; }
.list { display: flex; flex-direction: column; }
.item { display: flex; gap: 14px; align-items: flex-start; padding: 12px 0; border-top: 1px solid var(--border); }
.item:first-child { border-top: 0; padding-top: 0; }
.item .body { flex: 1; min-width: 0; }
.item .title { font-weight: 600; color: var(--text); }
.item .meta { color: var(--muted); font-size: .85rem; overflow: hidden; text-overflow: ellipsis; }
.item .acts { display: flex; gap: 6px; flex: none; }
@media (max-width: 600px) { .item { flex-wrap: wrap; } .item .acts { width: 100%; padding-left: 66px; } }
.bar { display: flex; height: 12px; border-radius: 999px; overflow: hidden; background: var(--panel-2); border: 1px solid var(--border); }
.bar span { display: block; height: 100%; }
.hbar { display: grid; grid-template-columns: 120px 1fr 40px; gap: 8px; align-items: center; font-size: .85rem; margin: 6px 0; }
.hbar .track { height: 8px; border-radius: 999px; background: var(--panel-2); overflow: hidden; }
.hbar .fill { height: 100%; background: var(--accent); border-radius: 999px; }
.hbar .n { text-align: right; font-variant-numeric: tabular-nums; color: var(--muted); }
.legend { display: flex; gap: 12px; flex-wrap: wrap; font-size: .8rem; color: var(--muted); margin-top: 8px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: 8px; border-top: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .8rem; border-top: 0; }
td select, td input { min-width: 120px; padding: 6px 8px; }
.table-wrap { overflow-x: auto; }
.desc { white-space: pre-wrap; font-size: .9rem; max-height: 520px; overflow: auto; background: var(--panel-2); padding: 14px; border-radius: 10px; border: 1px solid var(--border); }
.pdf { width: 100%; height: 72vh; border: 1px solid var(--border); border-radius: 10px; background: #fff; }
.log { font: .78rem/1.45 ui-monospace, Menlo, Consolas, monospace; background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px; padding: 10px; max-height: 260px; overflow: auto; white-space: pre-wrap; }
.notice { padding: 12px 14px; border-radius: 10px; background: var(--accent-weak); color: var(--text); margin-bottom: 16px; }
.notice.warn { background: var(--warn-weak); }
.notice.bad { background: var(--bad-weak); }
.empty { text-align: center; padding: 36px 12px; color: var(--muted); }
.qr { width: 220px; height: 220px; background: #fff; border-radius: 12px; padding: 6px; display: block; margin: 8px auto; }
.codes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; font: 1rem ui-monospace, Menlo, Consolas, monospace; margin: 12px 0; }
.codes span { background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; padding: 6px; text-align: center; }
.auth { max-width: 440px; margin: 6vh auto; padding: 0 16px 40px; }
.auth .brand { justify-content: center; font-size: 1.4rem; padding-bottom: 8px; }
.onb { max-width: 760px; margin: 4vh auto; padding: 0 16px 60px; }
.steps { display: flex; gap: 6px; margin-bottom: 18px; }
.steps span { flex: 1; height: 4px; border-radius: 99px; background: var(--border); }
.steps span.on { background: var(--accent); }
.drop { border: 2px dashed var(--border); border-radius: 12px; padding: 32px 16px; text-align: center; cursor: pointer; display: block; }
.drop:hover { border-color: var(--accent); }
.adv-sec { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border); }
.adv-sec:first-child { border-top: 0; padding-top: 0; }
.adv-sec [data-adv-list] { margin-top: 10px; }
.adv-item { border: 1px solid var(--border); background: var(--panel-2); border-radius: 10px; padding: 14px 14px 10px; margin-bottom: 10px; }
.adv-item .field { margin-bottom: 10px; }
.adv-item textarea { min-height: 90px; }
.adv-item input, .adv-item textarea { background: var(--panel); }
.adv-row { display: flex; gap: 10px; align-items: flex-start; }
.adv-item[data-kind="skill"] { padding-bottom: 4px; }
@media (max-width: 600px) { .adv-row { flex-wrap: wrap; } .adv-row .field { flex: 1 1 100% !important; } }
details > summary { cursor: pointer; }
.theme-card { border: 1px solid var(--border); border-radius: 10px; padding: 14px; display: flex; flex-direction: column; gap: 8px; }
.theme-card.on { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.swatch { height: 70px; border-radius: 8px; border: 1px solid var(--border); background: #fff; padding: 10px; display: flex; flex-direction: column; gap: 5px; }
.swatch b { display: block; height: 7px; width: 45%; border-radius: 3px; }
.swatch u { display: block; height: 2px; border-radius: 1px; }
.swatch i { display: block; height: 4px; border-radius: 2px; background: #d6dae1; }
.toast { position: fixed; left: 50%; bottom: 90px; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 10px;
  font-size: .9rem; z-index: 50; box-shadow: var(--shadow); max-width: calc(100vw - 32px); }
.spinner { width: 16px; height: 16px; border-radius: 50%; border: 2px solid currentColor; border-right-color: transparent; animation: spin .7s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation-duration: 2s; } }