/* Masking app. Same dark family as segweb, deliberately a different accent —
   segweb is cyan (look at a prediction), this is amber (paint something out), so a
   glance at the tab tells you which corpus tool you are in. */
:root {
  --bg: #0e1013; --panel: #171a20; --panel2: #1d2129; --inset: #101318;
  --ink: #e9edf3; --muted: #97a1b0; --faint: #5e6875;
  --line: #262c37; --line2: #1b2029;
  --accent: #e8a33d; --accent-dim: #8a5f1c; --accent-soft: #2a2012;
  --mask: #ff5d3b;              /* the mask paint itself — never used for chrome */
  --warn: #fbbf24; --good: #4ade80; --bad: #f87171; --info: #6ea8fe;
  --mono: ui-monospace, "JetBrains Mono", "SF Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--ink); font-family: var(--sans); line-height: 1.5;
  -webkit-font-smoothing: antialiased; }

/* ---------- top bar ---------- */
.topbar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 16px;
  padding: 10px 20px; background: rgba(14,16,19,.88); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line); }
.brand { font-family: var(--mono); font-weight: 600; font-size: 14.5px; text-decoration: none;
  color: var(--ink); }
.brand .k { color: var(--accent); }
.brand small { display: block; font-size: 10px; letter-spacing: .15em; text-transform: uppercase;
  color: var(--faint); font-weight: 400; margin-top: 1px; }
.spacer { flex: 1; }
.user { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.user a { color: var(--accent); text-decoration: none; }
.user a:hover { text-decoration: underline; }

/* ---------- shared bits ---------- */
.wrap { max-width: 1400px; margin: 0 auto; padding: 22px 20px 80px; }
.intro { color: var(--muted); font-size: 14px; max-width: 78ch; margin: 0 0 18px; }
.btn { font-family: var(--mono); font-size: 12.5px; padding: 7px 13px; border: 1px solid var(--line);
  border-radius: 8px; background: var(--panel2); color: var(--ink); cursor: pointer; }
.btn:hover:not(:disabled) { border-color: var(--accent-dim); }
.btn:disabled { opacity: .45; cursor: default; }
.btn.primary { background: var(--accent-soft); border-color: var(--accent-dim); color: var(--accent); }
.btn.danger:hover:not(:disabled) { border-color: var(--bad); color: var(--bad); }
.btn.active { background: var(--accent-soft); border-color: var(--accent-dim); color: var(--accent); }
label.chk { font-family: var(--mono); font-size: 12.5px; color: var(--muted);
  display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.err { display: none; margin: 12px 0; padding: 10px 13px; border: 1px solid var(--bad);
  border-radius: 8px; background: #2a1518; color: #ffc9c9; font-size: 13px; font-family: var(--mono); }
.err.show { display: block; }
.mono { font-family: var(--mono); }

/* ---------- progress header ---------- */
.summary { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px;
  border: 1px solid var(--line); background: var(--panel); border-radius: 12px;
  padding: 14px 16px; margin-bottom: 18px; }
.stat { font-family: var(--mono); font-size: 12.5px; color: var(--muted); }
.stat b { color: var(--ink); font-size: 15px; font-weight: 600; }
.pbar { flex: 1 1 220px; height: 8px; background: var(--inset); border: 1px solid var(--line);
  border-radius: 5px; overflow: hidden; min-width: 160px; }
.pbar i { display: block; height: 100%; background: var(--good); width: 0; transition: width .25s; }

/* ---------- filters ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 16px; }
.filters .sep { width: 1px; height: 22px; background: var(--line); margin: 0 4px; }

/* ---------- sheet grid ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; }
.card { border: 1px solid var(--line); background: var(--panel); border-radius: 12px;
  overflow: hidden; text-decoration: none; color: inherit; display: flex; flex-direction: column;
  transition: border-color .15s, transform .15s; }
.card:hover { border-color: var(--accent-dim); transform: translateY(-1px); }
.card .thumbwrap { position: relative; aspect-ratio: 4 / 3; background: var(--inset);
  border-bottom: 1px solid var(--line); overflow: hidden; }
.card img { width: 100%; height: 100%; object-fit: contain; display: block; }
.card .meta { padding: 10px 12px 12px; display: flex; flex-direction: column; gap: 6px; }
.card .name { font-family: var(--mono); font-size: 13px; font-weight: 600; word-break: break-all; }
.card .sub { font-family: var(--mono); font-size: 11px; color: var(--faint); }
.tags { display: flex; flex-wrap: wrap; gap: 5px; }
.tag { font-family: var(--mono); font-size: 10.5px; padding: 2px 7px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--muted); white-space: nowrap; }
.tag.unreviewed { border-color: var(--line); color: var(--faint); }
.tag.clean { border-color: #2f5d3d; color: var(--good); background: #10201700; }
.tag.masked { border-color: var(--accent-dim); color: var(--accent); background: var(--accent-soft); }
.tag.bake { border-color: #6b4a1a; color: var(--warn); }
.tag.holdout { border-color: #2b4a72; color: var(--info); }
.tag.drift { border-color: var(--bad); color: var(--bad); }
.corner { position: absolute; top: 8px; right: 8px; display: flex; gap: 4px; }

/* ---------- editor ---------- */
.ed-wrap { display: flex; flex-direction: column; height: calc(100vh - 53px); }
.ed-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 9px 16px;
  border-bottom: 1px solid var(--line); background: var(--panel); }
.ed-bar .group { display: inline-flex; align-items: center; gap: 6px; }
.ed-bar .sep { width: 1px; height: 22px; background: var(--line); margin: 0 3px; }
.modes { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.modes .btn { border: none; border-radius: 0; }
.modes .btn + .btn { border-left: 1px solid var(--line); }
input[type=range] { width: 100px; accent-color: var(--accent); }
.num { font-family: var(--mono); font-size: 12px; color: var(--muted); min-width: 34px;
  display: inline-block; text-align: right; }
.ed-stage { position: relative; flex: 1; min-height: 0; background: var(--inset);
  overflow: hidden; touch-action: none; }
.ed-stage canvas { display: block; width: 100%; height: 100%; cursor: crosshair; }
.ed-status { position: absolute; left: 12px; bottom: 12px; font-family: var(--mono);
  font-size: 11.5px; color: var(--muted); background: rgba(14,16,19,.86);
  border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; pointer-events: none;
  white-space: pre; }
.ed-save { font-family: var(--mono); font-size: 11.5px; color: var(--faint); min-width: 92px; }
.ed-save.dirty { color: var(--warn); }
.ed-save.ok { color: var(--good); }
.ed-save.bad { color: var(--bad); }
.loading { position: absolute; inset: 0; display: grid; place-items: center;
  background: rgba(14,16,19,.9); font-family: var(--mono); font-size: 13px; color: var(--muted);
  z-index: 5; text-align: center; }
.hint { font-family: var(--mono); font-size: 11px; color: var(--faint); padding: 6px 16px;
  border-top: 1px solid var(--line); background: var(--panel); }
kbd { font-family: var(--mono); font-size: 10.5px; border: 1px solid var(--line);
  border-bottom-width: 2px; border-radius: 4px; padding: 0 4px; color: var(--muted); }

/* ---------- login ---------- */
.login { max-width: 340px; margin: 14vh auto; padding: 26px 24px; border: 1px solid var(--line);
  border-radius: 14px; background: var(--panel); }
.login h1 { font-family: var(--mono); font-size: 17px; margin: 0 0 4px; }
.login p { color: var(--faint); font-size: 12px; font-family: var(--mono); margin: 0 0 18px; }
.login input { width: 100%; padding: 9px 11px; margin-bottom: 10px; background: var(--inset);
  border: 1px solid var(--line); border-radius: 8px; color: var(--ink); font-family: var(--mono);
  font-size: 13px; }
.login input:focus { outline: none; border-color: var(--accent-dim); }
.login .btn { width: 100%; }