/* Swing Master — International Typographic Style (Swiss).
   Paper ground, Helvetica, hairline rules, one red accent. No ornament, no
   gradient, no shadow, no radius. Hierarchy by size/weight/grid alone.
   All DOM hooks preserved for app.js. */
:root {
  --paper: #f2f1ec;
  --ink: #111110;
  --grey: #6f6f68;
  --red: #d81e05;
  --rule: #111110;        /* strong hairline */
  --rule-soft: #cfcdc3;   /* quiet hairline */
  --field: #e9e8e2;
  --font: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --emoji-font: "Noto Color Emoji", "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { min-height: 100%; background: var(--paper); color: var(--ink); font-family: var(--font), var(--emoji-font); -webkit-font-smoothing: antialiased; }
main { max-width: 780px; margin: 0 auto; min-height: 100vh; display: flex; flex-direction: column; padding: 22px 20px 30px; gap: 20px; }

/* ---------- masthead ---------- */
#topbar { display: flex; justify-content: space-between; align-items: flex-end; padding-bottom: 12px; border-bottom: 1px solid var(--rule); }
.brand-wrap { display: flex; flex-direction: column; }
.brand { font-size: 25px; font-weight: 700; letter-spacing: -0.03em; line-height: 1; }
.brand-sub { font-size: 9px; color: var(--grey); text-transform: uppercase; letter-spacing: 0.18em; margin-top: 7px; }
.stats { display: flex; gap: 20px; align-items: flex-end; }
.stat { display: flex; flex-direction: column; align-items: flex-start; gap: 5px; }
.stat-k { font-size: 8px; text-transform: uppercase; letter-spacing: 0.18em; color: var(--grey); }
.pill { font-size: 11px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; padding: 3px 9px; border: 1px solid var(--rule); color: var(--ink); }
.pill.active { background: var(--red); border-color: var(--red); color: #fff; }
.pill.armed { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.pill.error { background: var(--red); border-color: var(--red); color: #fff; }
.count { font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }

/* ---------- stage ---------- */
#stage { position: relative; aspect-ratio: 3 / 4; background: var(--field); border: 1px solid var(--rule); overflow: hidden; }
#video, #overlay { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
#stage.mirror #video, #stage.mirror #overlay { transform: scaleX(-1); }
.stage-caption { position: absolute; left: 0; bottom: 0; z-index: 2; display: flex; align-items: center; gap: 8px; font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; background: var(--ink); color: var(--paper); padding: 6px 12px; }
.live-dot { width: 7px; height: 7px; background: var(--red); }
#stage-msg { position: absolute; inset: 0; z-index: 3; display: flex; flex-direction: column; justify-content: flex-end; padding: 28px; background: rgba(242, 241, 236, 0.94); }
.msg-kicker { font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--red); margin-bottom: 14px; }
#stage-msg p { font-size: 16px; font-weight: 400; line-height: 1.5; max-width: 42ch; }
#stage-msg b { font-weight: 700; }

/* ---------- report ---------- */
#report-card { border: 1px solid var(--rule); padding: 18px; background: var(--paper); }
.fb-kicker { font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--red); }
#report-text { font-size: 19px; font-weight: 500; line-height: 1.35; letter-spacing: -0.01em; margin: 8px 0 6px; max-width: 46ch; }
#report-meta { font-size: 11px; color: var(--grey); text-transform: uppercase; letter-spacing: 0.06em; }
/* metric table: collapsed hairline grid */
.rows { display: grid; grid-template-columns: repeat(auto-fit, minmax(116px, 1fr)); margin-top: 16px; border-top: 1px solid var(--rule); border-left: 1px solid var(--rule); }
.mrow { display: flex; flex-direction: column; gap: 6px; padding: 11px 12px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.mk { font-size: 9px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--grey); }
.mv { font-size: 21px; font-weight: 700; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.deep { margin-top: 16px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.deep-status { font-size: 11px; color: var(--grey); text-transform: uppercase; letter-spacing: 0.06em; }

/* ---------- controls ---------- */
#controls { display: flex; gap: 12px; }
.btn { flex: 1; font-family: inherit; font-size: 12px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; padding: 15px 14px; border: 1px solid var(--rule); background: var(--paper); color: var(--ink); cursor: pointer; transition: background 0.12s, color 0.12s; }
.btn:hover { background: var(--ink); color: var(--paper); }
.btn.primary { background: var(--ink); color: var(--paper); }
.btn.primary:hover { background: var(--paper); color: var(--ink); }
.btn.primary.stop { background: var(--red); border-color: var(--red); color: #fff; }
.btn.primary.stop:hover { background: var(--paper); color: var(--red); }
.btn.line { flex: 0 0 auto; padding: 10px 16px; font-size: 11px; }

/* ---------- settings ---------- */
#settings { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 24px; border-top: 1px solid var(--rule); padding-top: 20px; counter-reset: param; }
.param { counter-increment: param; }
.param-k { display: block; font-size: 10px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--ink); margin-bottom: 9px; }
.param-k::before { content: counter(param, decimal-leading-zero); color: var(--red); margin-right: 9px; font-variant-numeric: tabular-nums; }
.param-note { text-transform: none; letter-spacing: 0; font-weight: 400; color: var(--grey); }
.seg { display: flex; border: 1px solid var(--rule); }
.seg button { flex: 1; font-family: inherit; font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; padding: 9px 4px; background: var(--paper); color: var(--grey); border: none; border-left: 1px solid var(--rule); cursor: pointer; transition: background 0.12s, color 0.12s; }
.seg button:first-child { border-left: none; }
.seg button.on { background: var(--ink); color: var(--paper); font-weight: 700; }
.select-wrap select { width: 100%; font-family: inherit; font-size: 13px; padding: 10px 11px; background: var(--field); color: var(--ink); border: 1px solid var(--rule); border-radius: 0; appearance: none; }
.select-wrap select:focus, .btn:focus-visible, .seg button:focus-visible { outline: 2px solid var(--red); outline-offset: 1px; }

.param-wide { grid-column: 1 / -1; }
.param-wide .btn.line { width: 100%; text-align: center; }

/* ---------- Logic behind (transparency doc) ---------- */
#logic-panel { position: fixed; inset: 0; z-index: 100; background: var(--paper); overflow-y: auto; }
.doc { max-width: 720px; margin: 0 auto; padding: 22px 20px 60px; }
.doc-head { border-bottom: 1px solid var(--rule); padding-bottom: 18px; margin-bottom: 8px; }
.doc-close { font-family: inherit; font-size: 12px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; background: transparent; border: none; color: var(--ink); cursor: pointer; padding: 6px 0; margin-bottom: 18px; }
.doc-close:hover { color: var(--red); }
.doc-kicker { display: block; font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--red); margin-bottom: 8px; }
.doc h1 { font-size: 34px; font-weight: 700; letter-spacing: -0.03em; line-height: 1; }
.doc-lead { font-size: 16px; line-height: 1.55; color: var(--ink); margin-top: 14px; max-width: 60ch; }
.doc-sec { display: grid; grid-template-columns: 40px 1fr; gap: 4px 16px; padding: 22px 0; border-bottom: 1px solid var(--rule-soft); }
.doc-n { font-size: 12px; font-weight: 700; color: var(--red); font-variant-numeric: tabular-nums; padding-top: 5px; }
.doc-sec h2 { font-size: 18px; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 8px; }
.doc-sec p { grid-column: 2; font-size: 15px; line-height: 1.6; color: var(--ink); max-width: 62ch; }
.doc-sec ul { grid-column: 2; margin: 4px 0 0; padding-left: 18px; }
.doc-sec li { font-size: 15px; line-height: 1.55; margin-bottom: 7px; max-width: 62ch; }
.doc-sec b { font-weight: 700; }
.doc-note { margin-top: 14px !important; padding: 14px 16px; background: var(--field); border-left: 3px solid var(--red); font-size: 14px !important; }
.doc-sign { margin-top: 14px !important; font-weight: 700; }

@media (max-width: 480px) { #settings { grid-template-columns: 1fr; } .doc h1 { font-size: 27px; } .doc-sec { grid-template-columns: 28px 1fr; } }