/* Setup screens (M14): customise, settings, calibrate, free play select and the board, in the dance flyer look (docs/UI-PLAN.md,
   look A): a yellow header band in Anton, dark cards with a cream edge and a day-glo hard shadow, cream ticket buttons and rows
   with black text. Tokens come from base.css; the fallbacks keep these screens readable on their own.
   Text sizes are calc(Npx * var(--su-u)) so Large text (25 percent) scales them together; every control is at least 44 px tall. */
.su {
  --su-ink: var(--black, #0d0b10);
  --su-card: var(--panel, #1a1620);
  --su-card-2: var(--stage-2, #1f1a24);
  --su-gold: var(--yellow, #ffe600);
  --su-cream: var(--cream, #fff6e0);
  --su-text: var(--text, #ffffff);
  --su-dim: var(--text-dim, #d9d2c4);
  --su-danger: var(--red, #ff3b30);
  --su-ok: var(--green, #19e36b);
  --su-focus: var(--focus, #ffffff);
  --su-ink-red: #a8201a;   /* red text on cream, 6.8:1 */
  --su-ink-soft: #4a4038;  /* quiet text on cream, 9.4:1 */
  --su-cream-dim: #d8d0bf; /* a locked row */
  --su-display: var(--display, Impact, "Arial Narrow Bold", sans-serif);
  --su-u: var(--ui, 1);
  --su-shadow: var(--su-gold);
  flex: 0 0 auto; width: 100%; max-width: 560px; margin: 0 auto; padding: 0 14px 26px;
  background: var(--su-ink); border: 3px solid var(--su-cream); border-radius: 0; box-shadow: 8px 8px 0 var(--su-shadow);
  color: var(--su-text); font-family: var(--font, system-ui, sans-serif); font-size: calc(16px * var(--su-u)); line-height: 1.35;
  touch-action: pan-y;
}
.su[data-screen="customise"] { --su-shadow: var(--pink, #ff2e88); }
.su[data-screen="calibrate"] { --su-shadow: var(--su-ok); }
.su[data-screen="board"] { --su-shadow: var(--blue, #2ea8ff); }
.su[data-screen="freeplay"] { --su-shadow: var(--red, #ff3b30); }
.su > * + *, .su-body > * + * { margin-top: 16px; }
/* the header: a yellow band with the title in Anton */
.su-head {
  display: flex; align-items: center; gap: 12px; position: sticky; top: 0; z-index: 2; margin: 0 -14px; padding: 10px 14px;
  background: var(--su-gold); color: var(--su-ink); border-bottom: 3px solid var(--su-ink); box-shadow: 0 4px 0 var(--su-cream);
}
.su-title { margin: 0; font: 400 calc(32px * var(--su-u)) / 1 var(--su-display); letter-spacing: 0.02em; color: var(--su-ink); overflow-wrap: break-word; min-width: 0; }
.su-title:focus, .su-title:focus-visible { outline: none; box-shadow: none; }
.su-h2 { margin: 0 0 10px; font: 400 calc(26px * var(--su-u)) / 1.05 var(--su-display); letter-spacing: 0.02em; color: var(--su-gold); padding: 0; }
.su-lead { margin: 0; font-size: calc(18px * var(--su-u)); font-weight: 800; overflow-wrap: break-word; }
.su-hint { margin: 6px 0 0; font-size: calc(14px * var(--su-u)); color: var(--su-dim); overflow-wrap: break-word; }
.su-msg { margin: 6px 0 0; min-height: 1.35em; font-size: calc(15px * var(--su-u)); font-weight: 700; color: var(--su-gold); overflow-wrap: break-word; }
.su-msg:empty { min-height: 0; margin: 0; }
.su-warn { color: #ff9c94; }
.su-note { margin: 0; padding: 10px 12px; border: 3px solid var(--su-cream); border-left-width: 8px; border-radius: 0; background: var(--su-card-2); font-size: calc(15px * var(--su-u)); }
.su-label { display: block; font-weight: 800; font-size: calc(16px * var(--su-u)); padding: 0; overflow-wrap: break-word; }
.su-card {
  margin-left: 0; margin-right: 0; min-width: 0; padding: 14px 14px 16px; border: 3px solid var(--su-cream); border-radius: 0; background: var(--su-card);
  box-shadow: 6px 6px 0 var(--su-card-shadow, var(--su-gold));
}
.su-body > .su-card:nth-child(4n+2) { --su-card-shadow: var(--su-ok); }
.su-body > .su-card:nth-child(4n+3) { --su-card-shadow: var(--pink, #ff2e88); }
.su-body > .su-card:nth-child(4n+4) { --su-card-shadow: var(--blue, #2ea8ff); }
fieldset.su-card, fieldset.su-seg-group { min-inline-size: 0; }
.su-card > * + * { margin-top: 10px; }
.su-field + .su-field { margin-top: 16px; }
.su-field-top { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.su-value { font: 400 calc(22px * var(--su-u)) / 1 var(--su-display); letter-spacing: 0.02em; color: var(--su-gold); white-space: nowrap; font-variant-numeric: tabular-nums; }

/* buttons: cream ticket stubs, black text */
.su-btn {
  position: relative; min-height: 44px; min-width: 44px; padding: 8px 16px 7px; border: 3px solid var(--su-ink); border-radius: 0; cursor: pointer;
  background: var(--su-cream); color: var(--su-ink); font: 400 calc(19px * var(--su-u)) / 1.1 var(--su-display); letter-spacing: 0.03em;
  box-shadow: 0 0 0 2px var(--su-cream); -webkit-appearance: none; appearance: none; overflow-wrap: break-word;
}
.su-btn:active { transform: translate(2px, 2px); }
.su-btn:focus-visible { outline: 3px solid var(--su-ink); outline-offset: -7px; box-shadow: 0 0 0 4px var(--su-focus), 0 0 0 7px var(--su-ink); }
.su-btn:disabled { opacity: 0.55; cursor: default; }
.su-primary { background: var(--su-gold); color: var(--su-ink); box-shadow: 4px 4px 0 var(--pink, #ff2e88); }
.su-primary:active { box-shadow: 1px 1px 0 var(--pink, #ff2e88); }
.su-danger { background: var(--su-danger); color: var(--su-ink); box-shadow: 0 0 0 2px var(--su-danger); }
.su-big { min-height: 60px; font-size: calc(28px * var(--su-u)); padding-left: 22px; padding-right: 22px; }
.su-small { padding: 6px 12px 5px; }
.su-back { flex: 0 0 auto; box-shadow: none; }
.su-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.su-row > .su-msg { flex: 1 1 160px; margin: 0; }
.su-grow > input { flex: 1 1 160px; min-width: 0; }
.su-nudge { margin-top: 10px; }
.su-confirm { padding: 12px; border: 3px solid var(--su-danger); border-radius: 0; background: var(--su-card-2); box-shadow: 4px 4px 0 var(--su-danger); }
.su-ask { margin: 0 0 10px; font-weight: 800; }
.su-confirm-host { margin-top: 12px; }

/* inputs: cream slips */
.su-text, .su-area {
  display: block; width: 100%; min-height: 44px; padding: 8px 12px; border: 3px solid var(--su-ink); border-radius: 0; box-shadow: 0 0 0 2px var(--su-cream);
  background: var(--su-cream); color: var(--su-ink); font: 700 calc(17px * var(--su-u)) / 1.3 var(--font, system-ui, sans-serif);
  -webkit-user-select: text; user-select: text; -webkit-appearance: none; appearance: none;
}
.su-text { margin-top: 6px; }
.su-row .su-text { margin-top: 0; }
.su-area { resize: vertical; margin: 8px 0; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: calc(14px * var(--su-u)); font-weight: 600; word-break: break-all; }
.su-text[aria-invalid="true"] { border-color: var(--su-danger); box-shadow: 0 0 0 3px var(--su-danger); }
.su-range { display: block; width: 100%; min-height: 44px; margin: 4px 0 0; accent-color: var(--su-gold); background: transparent; touch-action: pan-y; }
.su-range::-webkit-slider-thumb { min-width: 28px; min-height: 28px; }

/* segmented radios and switches: unpicked is an outline, picked is a yellow sticker */
.su-seg-group { margin: 14px 0 0; padding: 0; border: 0; }
.su-seg-group > .su-label { margin-bottom: 8px; }
.su-seg { display: flex; flex-wrap: wrap; gap: 10px; }
.su-seg-opt { position: relative; flex: 1 1 110px; min-width: 0; display: block; cursor: pointer; }
.su-seg-opt input, .su-opt input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.su-seg-opt span {
  display: flex; align-items: center; justify-content: center; text-align: center; min-height: 44px; padding: 6px 10px;
  border: 3px solid var(--su-cream); border-radius: 0; background: var(--su-card-2); color: var(--su-text); font-weight: 800; overflow-wrap: break-word;
}
.su-seg-opt input:checked + span { background: var(--su-gold); color: var(--su-ink); border-color: var(--su-ink); box-shadow: 4px 4px 0 var(--pink, #ff2e88); }
.su-seg-opt input:focus-visible + span, .su-opt input:focus-visible ~ .su-swatch, .su-opt input:focus-visible ~ .su-logo-canvas {
  outline: 4px solid var(--su-focus); outline-offset: 2px;
}
.su-seg-opt input:disabled + span { opacity: 0.5; cursor: default; }
.su-switch { display: flex; align-items: center; gap: 12px; min-height: 44px; font-weight: 800; cursor: pointer; }
.su-switch input { width: 28px; height: 28px; flex: 0 0 auto; accent-color: var(--su-gold); margin: 0; }
.su-pick { margin-left: 0; margin-right: 0; }

/* customise */
.su-preview-wrap { display: flex; justify-content: center; }
.su-preview { display: block; width: 100%; max-width: 440px; aspect-ratio: 36 / 25; height: auto; border: 3px solid var(--su-cream); border-radius: 0; background: #141118; box-shadow: 6px 6px 0 var(--pink, #ff2e88); }
.su-grid { display: grid; gap: 12px; }
.su-grid-colour { grid-template-columns: repeat(auto-fill, minmax(min(100%, 130px), 1fr)); }
.su-grid-logo { grid-template-columns: repeat(auto-fill, minmax(min(100%, 96px), 1fr)); }
.su-opt { position: relative; display: flex; flex-direction: column; align-items: center; gap: 5px; padding: 4px; cursor: pointer; text-align: center; min-width: 0; }
.su-swatch { display: block; width: 100%; height: 44px; border: 3px solid var(--su-ink); border-radius: 0; box-shadow: 0 0 0 2px var(--su-cream); }
.su-logo-canvas { display: block; width: 52px; height: 52px; border-radius: 0; border: 3px solid var(--su-ink); box-sizing: content-box; box-shadow: 0 0 0 2px var(--su-cream); }
.su-opt input:checked ~ .su-swatch, .su-opt input:checked ~ .su-logo-canvas { border-color: var(--su-ink); box-shadow: 0 0 0 3px var(--su-gold), 5px 5px 0 3px var(--pink, #ff2e88); }
.su-opt-name { font-size: calc(14px * var(--su-u)); font-weight: 800; overflow-wrap: break-word; word-break: normal; line-height: 1.15; max-width: 100%; }
.su-opt input:checked ~ .su-opt-name { color: var(--su-gold); }
.su-actions { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }

/* calibrate: the pad is a speaker cone */
.su-stage { display: flex; flex-direction: column; align-items: center; gap: 14px; text-align: center; }
.su-count { margin: 0; font: 400 calc(34px * var(--su-u)) / 1 var(--su-display); letter-spacing: 0.03em; color: var(--su-gold); text-shadow: 3px 3px 0 var(--red, #ff3b30); }
.su-pad {
  position: relative; display: grid; place-items: center; width: min(56vw, 220px, 36vh); aspect-ratio: 1; min-width: 150px; border-radius: 50%; margin: 18% 0;
  border: 5px solid var(--su-cream); cursor: pointer; touch-action: none; -webkit-user-select: none; user-select: none; color: var(--su-ink);
  background: radial-gradient(circle, var(--su-gold) 0 27%, var(--su-ink) 27.5% 31%, #2a2430 31.5% 47%, var(--su-ink) 47.5% 50%, #1f1a24 50.5% 66%, var(--su-ink) 66.5% 100%);
  box-shadow: 7px 7px 0 var(--pink, #ff2e88);
  font: 400 calc(36px * var(--su-u)) / 1 var(--su-display); letter-spacing: 0.03em;
}
.su-pad:focus-visible { outline: 4px solid var(--su-focus); outline-offset: 4px; }
.su-pad-text { position: relative; z-index: 1; pointer-events: none; }
.su-stage { overflow: hidden; }
/* the target ring on the pad's rim, and the approach circle that shrinks onto it over one beat (osu! style, 2026-10-30):
   cream while it is far, green inside the Nice window, yellow inside Wicked; the count-in circles are dimmer */
.su-target { position: absolute; inset: -9px; border-radius: 50%; border: 6px solid var(--su-cream); pointer-events: none; }
.su-target[data-tone="nice"] { border-color: var(--green, #19e36b); }
.su-target[data-tone="wicked"] { border-color: var(--su-gold); box-shadow: 0 0 0 4px var(--su-ink), 0 0 0 9px var(--su-gold); }
.su-ring { position: absolute; inset: -9px; border-radius: 50%; border: 8px solid var(--su-cream); opacity: 0; pointer-events: none; will-change: transform, opacity; }
.su-ring[data-tone="nice"] { border-color: var(--green, #19e36b); }
.su-ring[data-tone="wicked"] { border-color: var(--su-gold); }
.su-ring[data-phase="count"] { border-style: dashed; }
:root[data-reduced-motion="on"] .su-ring { transform: none !important; }
.su-tapmsg { margin: 0; min-height: 1.35em; color: var(--su-dim); font: 400 calc(26px * var(--su-u)) / 1.1 var(--su-display); letter-spacing: 0.03em; font-variant-numeric: tabular-nums; }
.su-tapmsg[data-grade="wicked"] { color: var(--su-gold); }
.su-tapmsg[data-grade="nice"] { color: var(--green, #19e36b); }
.su-tapmsg[data-grade="ok"] { color: #8fd0ff; }
.su-tapmsg[data-grade="close"], .su-tapmsg[data-grade="miss"] { color: #ff9c94; }
/* the timing strip: early on the left, late on the right, the middle line is the beat; a tick per tap, the pink marker is your beat */
.su-strip { position: relative; width: min(100%, 340px); height: 34px; border: 3px solid var(--su-ink); background: var(--su-cream); box-shadow: 4px 4px 0 var(--su-ink); }
.su-strip-mid { position: absolute; left: 50%; top: -6px; bottom: -6px; width: 4px; margin-left: -2px; background: var(--su-ink); }
.su-strip-end { position: absolute; top: 50%; left: 6px; transform: translateY(-50%); font: 700 calc(14px * var(--su-u))/1 var(--font); color: var(--su-ink); }
.su-strip-late { left: auto; right: 6px; }
.su-strip-ticks { position: absolute; inset: 0; }
.su-tick { position: absolute; top: 5px; bottom: 5px; width: 5px; margin-left: -2.5px; background: var(--su-ink); border-radius: 2px; }
.su-tick[data-grade="wicked"] { background: #c9a800; }
.su-tick[data-grade="nice"] { background: #0f9a47; }
.su-tick[data-grade="ok"] { background: #1f6fb0; }
.su-tick[data-grade="close"], .su-tick[data-grade="miss"] { background: #d12a20; }
.su-strip-beat { position: absolute; top: -10px; bottom: -10px; width: 8px; margin-left: -4px; background: var(--pink, #ff2e88); border: 2px solid var(--su-ink); }
.su-strip-note { margin: 0; max-width: 340px; }
:root[data-contrast="high"] .su-strip { background: #ffffff; }
.su-median { display: block; margin: 6px 0; font: 400 calc(64px * var(--su-u)) / 1 var(--su-display); letter-spacing: 0.02em; color: var(--su-gold); text-shadow: 4px 4px 0 var(--red, #ff3b30); font-variant-numeric: tabular-nums; overflow-wrap: break-word; }
.su-result[data-ok="false"] .su-median { color: #ff9c94; text-shadow: none; }
.su-sr { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* lists: free play and the board, as cream tickets */
.su-list, .su-rows { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.su-li, .su-row-item {
  position: relative; display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 10px 12px 10px 28px; min-width: 0;
  border: 3px solid var(--su-ink); border-radius: 0; background: var(--su-cream); color: var(--su-ink); box-shadow: 0 0 0 2px var(--su-cream);
}
.su-li::before, .su-row-item::before { content: ""; position: absolute; left: 12px; top: 6px; bottom: 6px; border-left: 2px dashed var(--su-ink); pointer-events: none; }
.su-li-main { flex: 1 1 140px; display: flex; flex-direction: column; min-width: 0; }
.su-li-name { font: 400 calc(22px * var(--su-u)) / 1.1 var(--su-display); letter-spacing: 0.02em; overflow-wrap: break-word; }
.su-li-sub { font-size: calc(14px * var(--su-u)); font-weight: 700; color: var(--su-ink-soft); overflow-wrap: break-word; }
.su-locked { background: var(--su-cream-dim); box-shadow: 0 0 0 2px var(--su-cream-dim); }
.su-badge { flex: 0 0 auto; padding: 3px 10px 2px; border-radius: 0; background: var(--su-ink); color: var(--su-cream); font: 400 calc(16px * var(--su-u)) / 1.1 var(--su-display); letter-spacing: 0.04em; transform: rotate(-3deg); }
.su-why { flex: 1 1 100%; margin: 0; font-size: calc(14px * var(--su-u)); font-weight: 700; color: var(--su-ink-red); overflow-wrap: break-word; }
.su-li .su-btn { box-shadow: 4px 4px 0 var(--pink, #ff2e88); }
.su-rank { flex: 0 0 auto; min-width: 1.6em; text-align: right; font: 400 calc(30px * var(--su-u)) / 1 var(--su-display); color: var(--su-ink); font-variant-numeric: tabular-nums; }
.su-chip { flex: 0 0 auto; width: 44px; height: 44px; }
.su-total { flex: 0 0 auto; font: 400 calc(22px * var(--su-u)) / 1 var(--su-display); letter-spacing: 0.02em; font-variant-numeric: tabular-nums; }
.su-me { background: var(--su-gold); box-shadow: 0 0 0 2px var(--su-gold), 6px 6px 0 2px var(--pink, #ff2e88); }
.su-me .su-li-sub { color: var(--su-ink); }
.su-mine { display: flex; flex-direction: column; gap: 6px; }
.su-mine:empty { display: none; }
.su-board { min-height: 3em; }

@media (max-width: 380px) {
  .su { padding-left: 10px; padding-right: 10px; }
  .su-head { margin: 0 -10px; padding-left: 10px; padding-right: 10px; }
  .su-card { padding: 12px 10px 14px; }
  .su-btn { padding: 8px 12px 7px; }
}
@media (min-width: 900px) { .su { margin-top: 28px; margin-bottom: 28px; } }

/* high contrast: plain black and white with strong outlines (REQ-150) */
:root[data-contrast="high"] .su, :root[data-contrast="high"] .su-card { box-shadow: none; border-color: #ffffff; }
:root[data-contrast="high"] .su-card, :root[data-contrast="high"] .su-note, :root[data-contrast="high"] .su-seg-opt span { background: #000000; border-color: #ffffff; color: #ffffff; }
:root[data-contrast="high"] .su-btn, :root[data-contrast="high"] .su-li, :root[data-contrast="high"] .su-row-item { box-shadow: none; border-color: #000000; outline: 2px solid #ffffff; outline-offset: 0; }
:root[data-contrast="high"] .su-primary, :root[data-contrast="high"] .su-seg-opt input:checked + span { background: #ffe14d; color: #000000; box-shadow: none; }
:root[data-contrast="high"] .su-hint { color: #ffffff; }
:root[data-contrast="high"] .su-head { box-shadow: none; }

/* a control scrolled into view must not end up under the sticky header */
.su input, .su button, .su textarea, .su-card, .su-field, .su-seg-opt, .su-opt { scroll-margin-top: 84px; scroll-margin-bottom: 24px; }