/* Fairline v2: a calculator you hold, not a form you fill. */
:root {
  --bg: #0b0c0f;
  --s1: #14161b;
  --s2: #1b1e25;
  --s3: #242832;
  --hair: rgba(255, 255, 255, 0.06);
  --hair-2: rgba(255, 255, 255, 0.11);
  --text: #f5f3ee;
  --text-2: #a5a39b;
  --text-3: #8a8982;
  --text-4: #807f78;
  --gold: #e8b84a;
  --gold-text: #e8b84a;
  --gold-ink: #1b1400;
  --gold-soft: rgba(232, 184, 74, 0.14);
  --gold-sel: rgba(232, 184, 74, 0.22);
  --pos: #5ad19a;
  --neg: #f0736b;
  --neg-soft: rgba(240, 115, 107, 0.14);
  --key: #20242c;
  --key-fn: #171a20;
  --key-press: #2e333e;
  --kp-bg: #0f1114;
  --sheet: #14161b;
  --pop-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.55);
  --slot-shadow: inset 0 0 0 1px var(--hair);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Inter, system-ui, sans-serif;
  --font-num: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Inter, system-ui, sans-serif;
  --tab-h: 56px;
  --sat: env(safe-area-inset-top);
  --r: 16px;
  --r-key: 14px;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #f4f2ec;
  --s1: #ffffff;
  --s2: #ebe8e0;
  --s3: #ddd9cf;
  --hair: rgba(20, 19, 15, 0.08);
  --hair-2: rgba(20, 19, 15, 0.14);
  --text: #15140f;
  --text-2: #55534c;
  --text-3: #6a6860;
  --text-4: #72705f;
  --gold: #a87400;
  --gold-text: #8a5f00;
  --gold-ink: #1b1400;
  --gold-soft: rgba(168, 116, 0, 0.12);
  --gold-sel: rgba(168, 116, 0, 0.18);
  --pos: #0f7a54;
  --neg: #b02f2f;
  --neg-soft: rgba(176, 47, 47, 0.12);
  --key: #ffffff;
  --key-fn: #e4e0d6;
  --key-press: #d6d2c7;
  --kp-bg: #ebe8e0;
  --sheet: #ffffff;
  --pop-shadow: 0 8px 20px -10px rgba(20, 19, 15, 0.22), 0 0 0 1px var(--hair);
  --slot-shadow: inset 0 0 0 1px var(--hair), 0 1px 0 rgba(20, 19, 15, 0.08);
  color-scheme: light;
}
:root[data-theme="light"] .kp-key.kp-next { background: #e5b040; }
:root[data-theme="light"] .toggle::after { background: #ffffff; box-shadow: 0 1px 2px rgba(20,19,15,.2); }
:root[data-theme="light"] .seg { background: var(--s2); }
:root[data-theme="light"] .seg-btn.is-on { background: #ffffff; box-shadow: 0 1px 2px rgba(20,19,15,.12); }
:root[data-theme="light"] .chip.is-on { background: #ffffff; }
:root[data-theme="light"] .kp-half.is-on { background: #ffffff; box-shadow: 0 1px 2px rgba(20,19,15,.15); }

/* Reset and shell */
*, *::before, *::after { box-sizing: border-box; }
html { height: 100%; -webkit-text-size-adjust: 100%; background: var(--bg); overscroll-behavior: none; }
body {
  margin: 0; height: 100%; overflow: hidden;
  background: var(--bg); color: var(--text);
  font-family: var(--font); font-size: 17px; line-height: 1.3;
  -webkit-font-smoothing: antialiased; -webkit-tap-highlight-color: transparent;
  touch-action: manipulation; font-variant-numeric: tabular-nums;
  -webkit-user-select: none; user-select: none;
}
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; margin: 0; cursor: pointer; touch-action: manipulation; }
[hidden] { display: none !important; }
:focus { outline: none; }
button:focus-visible { outline: 2px solid var(--gold); outline-offset: -2px; }

#app {
  height: 100vh; height: -webkit-fill-available; height: 100dvh;
  display: flex; flex-direction: column;
  max-width: 560px; margin: 0 auto; overflow: hidden;
}

/* Header */
.top {
  flex: none; display: flex; align-items: center; justify-content: space-between;
  padding: calc(env(safe-area-inset-top) + 6px) 8px 2px 20px; min-height: 48px;
}
.wordmark { display: inline-flex; align-items: center; gap: 9px; font-weight: 600; font-size: 17px; letter-spacing: -0.02em; color: var(--text); }
.wm-mark { position: relative; width: 16px; height: 12px; }
.wm-mark::before { content: ""; position: absolute; left: 5px; top: 0; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }
.wm-mark::after { content: ""; position: absolute; left: 0; bottom: 0; width: 16px; height: 3px; border-radius: 2px; background: var(--gold); }
.top-actions { display: flex; }
.icon-btn { width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; color: var(--text-2); transition: background .15s, color .15s; }
.icon-btn:active { background: var(--s2); color: var(--text); }

/* Screens: one scroller each, answer sticky on top, slots anchored to the keypad */
#screens { flex: 1 1 auto; min-height: 0; display: flex; flex-direction: column; }
.screen {
  flex: 1 1 auto; min-height: 0; display: flex; flex-direction: column; padding: 0 20px;
  overflow-y: auto; overscroll-behavior: contain; -webkit-overflow-scrolling: touch; scrollbar-width: none;
}
.screen::-webkit-scrollbar { display: none; }
.answer { position: sticky; top: 0; z-index: 2; flex: none; margin: 0 -20px; padding: 8px 20px 12px; background: var(--bg); display: flex; flex-direction: column; }
#app:not(.kb-open) .answer { flex: 1 1 auto; justify-content: center; position: static; }
#app:not(.kb-open) .res-hero .res-value { font-size: clamp(60px, min(20vw, 11dvh), 92px); }
#app:not(.kb-open) .res-hero.is-long .res-value { font-size: clamp(40px, 14vw, 60px); }
#app:not(.kb-open) .res-hero.is-xlong .res-value { font-size: clamp(32px, 11vw, 48px); }
#app:not(.kb-open) .res-hero.is-xxlong .res-value { font-size: clamp(26px, 9vw, 40px); }
#app:not(.kb-open) .res-hero.is-xxxlong .res-value { font-size: clamp(20px, 7.2vw, 32px); }
#app:not(.kb-open) .res-col.res-hero.is-long .res-value { font-size: clamp(30px, 9vw, 44px); }
.screen.fits .answer { margin-top: auto; }
#app:not(.kb-open) .res-col.res-hero .res-value { font-size: clamp(50px, min(15vw, 9dvh), 72px); }
.screen-head { display: flex; align-items: center; gap: 8px; min-height: 40px; margin-bottom: 8px; }
.screen-head .spacer { flex: 1; min-width: 4px; }
.screen-head > * { flex: none; }
.screen-head .pill-example { flex: 0 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.slots { flex: none; margin-top: auto; padding: 4px 0 10px; display: flex; flex-direction: column; gap: 10px; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.legs-list { display: flex; flex-direction: column; gap: 10px; }
.legs-list.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.legs-list.two-col .leg { grid-template-columns: 1fr 44px; gap: 4px; }

/* Answer pieces */
.say { margin: 4px 0 0; font-size: 14.5px; line-height: 1.4; color: var(--text-2); min-height: 20px; text-wrap: pretty; }
.say strong { color: var(--text); font-weight: 600; }
.answer.is-stale .res, .answer.is-stale .say, .answer.is-stale .tiles-cap, .answer.is-stale .pill:not(.pill-example) { opacity: 0.55; }
:root[data-theme="light"] .answer.is-stale .res, :root[data-theme="light"] .answer.is-stale .say { opacity: 0.65; }
.answer.is-stale .res-hero { opacity: 0.65; }
.answer.is-stale .res-hero .res-label { color: var(--text); }
.answer.is-example .res-hero .res-value { opacity: 0.9; }
.tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 10px; }
.tiles-1 { grid-template-columns: 1fr; }
.tiles-cap { grid-column: 1 / -1; flex-basis: 100%; font-size: 12.5px; font-weight: 500; color: var(--text-2); margin-bottom: -2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Results: tap to copy */
.res {
  display: flex; flex-direction: column; align-items: flex-start; gap: 2px;
  width: 100%; min-width: 0; text-align: left;
  padding: 10px 14px; border-radius: var(--r); background: var(--s1);
  transition: transform .08s, background .15s;
  -webkit-user-select: none; user-select: none;
}
.res:active { transform: scale(0.985); background: var(--s2); }
.res-label { font-size: 12px; font-weight: 600; letter-spacing: 0.02em; color: var(--text-2); max-width: 100%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.res-value { font-family: var(--font-num); font-size: 22px; font-weight: 600; letter-spacing: -0.02em; line-height: 1.15; max-width: 100%; white-space: nowrap; }
.res.is-long .res-value { font-size: 18px; }
.res.is-xlong .res-value { font-size: 15.5px; }
.res.is-xxlong .res-value { font-size: 13px; }
.res.is-xxxlong .res-value { font-size: 11.5px; }
.res-sub { font-size: 13px; color: var(--text-3); max-width: 100%; line-height: 1.25; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.tiles .res { min-height: 58px; }
.res.is-empty .res-value { color: var(--text-4); font-weight: 400; }
.res.tone-pos .res-value { color: var(--pos); }
.res.tone-neg .res-value { color: var(--neg); }
.res.is-copied .res-label { color: var(--pos); }
.res-hero { background: transparent; padding: 0; gap: 2px; min-height: 92px; justify-content: flex-start; }
.res-hero:active { background: transparent; transform: scale(0.995); }
.res-hero .res-label { font-size: 14px; font-weight: 500; color: var(--text-2); white-space: normal; }
.res-hero .res-value { font-size: clamp(52px, min(16vw, 9dvh), 72px); font-weight: 600; letter-spacing: -0.04em; line-height: 0.98; color: var(--gold); font-variant-numeric: proportional-nums; }
.res-hero.tone-pos .res-value { color: var(--pos); }
.res-hero.tone-neg .res-value { color: var(--neg); }
.res-hero.is-long .res-value { font-size: clamp(36px, 10.5vw, 50px); }
.res-hero.is-xlong .res-value { font-size: clamp(28px, 8.2vw, 40px); }
.res-hero.is-xxlong .res-value { font-size: clamp(24px, 6.8vw, 32px); }
.res-hero.is-xxxlong .res-value { font-size: clamp(19px, 5.6vw, 26px); }
.res-hero.is-empty .res-value { font-size: 34px; font-weight: 400; color: var(--text-4); }
.res-hero .res-sub { font-size: 14px; color: var(--text-2); -webkit-line-clamp: 2; margin-top: 4px; }
.res-hero.is-copied .res-value { color: var(--pos); }
.res-value.tick { animation: tick .12s ease-out; }
@keyframes tick { from { opacity: .8; transform: translateY(3px); } to { opacity: 1; transform: none; } }

/* Two columns (fair odds) */
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.col { min-width: 0; }
.eyebrow { font-size: 12px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-2); margin-bottom: 2px; }
.res-col.res-hero { min-height: 0; }
.res-col.res-hero .res-label { display: none; }
.res-col.res-hero .res-value { font-size: clamp(44px, min(13vw, 8dvh), 56px); }
.res-col.res-hero.is-long .res-value { font-size: clamp(24px, 7.5vw, 34px); }
.res-col.res-hero .res-sub { font-size: 14px; }
.cols + .say { margin-top: 12px; }

/* Pills (book's cut, leg count, example) */
.res-pill, .pill {
  display: inline-flex; flex-direction: row; align-items: center; gap: 6px; width: auto; min-height: 40px; padding: 0 12px; border-radius: 999px;
  background: var(--s1); font-size: 13px; font-weight: 600; color: var(--text-2); white-space: nowrap;
}
.res-pill .res-label { font-size: 13px; }
.res-pill .res-value { font-size: 14px; font-weight: 700; }
.res-pill .res-sub { display: none; }
.pill-example { color: var(--text-3); background: transparent; box-shadow: inset 0 0 0 1px var(--hair-2); font-weight: 500; }
.pill-btn { color: var(--text); gap: 4px; min-height: 44px; padding: 0 12px 0 10px; box-shadow: var(--slot-shadow); }
.pill-btn:active { background: var(--s2); }

/* Slots (fields) */
.fld {
  display: flex; flex-direction: column; align-items: flex-start; gap: 2px; width: 100%; min-width: 0; text-align: left;
  min-height: 64px; padding: 10px 14px; border-radius: var(--r);
  background: var(--s1); box-shadow: var(--slot-shadow);
  transition: box-shadow .15s, background .15s, transform .08s;
}
.fld:active { transform: scale(0.985); }
.fld.is-active { box-shadow: inset 0 0 0 1.5px var(--gold); background: var(--s1); }
:root[data-theme="dark"] .fld.is-active { background: var(--s2); }
.fld-label { display: flex; gap: 4px; font-size: 12px; font-weight: 600; letter-spacing: 0.02em; color: var(--text-2); white-space: nowrap; max-width: 100%; }
.fld-label-text { overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.fld-tag { flex: none; color: var(--text-3); font-weight: 500; }
.legs-list.two-col .fld-tag { display: none; }
.fld-row { display: inline-flex; align-items: baseline; gap: 1px; max-width: 100%; font-variant-numeric: proportional-nums; }
.fld-value, .fld-sign { font-family: var(--font-num); font-size: 28px; font-weight: 600; letter-spacing: -0.02em; line-height: 1.1; white-space: nowrap; }
.fld.is-long .fld-value, .fld.is-long .fld-sign { font-size: 22px; }
.fld.is-xlong .fld-value, .fld.is-xlong .fld-sign { font-size: 17px; }
.fld-affix { font-size: 18px; font-weight: 600; color: var(--text-3); align-self: baseline; }
.fld-suffix { padding-left: 1px; }
.fld-caret { width: 0; height: 26px; margin-left: 0; border-radius: 1px; background: var(--gold); opacity: 0; align-self: center; }
.fld.is-active .fld-caret { width: 2px; margin-left: 3px; opacity: 1; animation: blink 1.1s steps(2, start) infinite; }
@keyframes blink { to { visibility: hidden; } }
.fld.is-empty .fld-value, .fld.is-empty .fld-sign { color: var(--text-4); }
.fld.is-empty .fld-value { opacity: .7; }
.fld.is-empty:not(.is-active) .fld-sign { display: none; }
.fld.is-active.is-empty .fld-value { display: none; }
.fld.is-ghost .fld-value, .fld.is-ghost .fld-sign { color: var(--text-3); }
.fld.is-active.is-fresh .fld-row { background: var(--gold-sel); border-radius: 6px; padding: 0 5px; margin: 0 -5px; }
.fld.is-computed { background: transparent; box-shadow: inset 0 0 0 1px var(--hair); }
.fld.is-computed .fld-value, .fld.is-computed .fld-sign { color: var(--text-2); }
.fld.is-computed.is-empty .fld-value, .fld.is-computed.is-empty .fld-sign { color: var(--text-4); font-weight: 400; }
.fld.is-invalid { box-shadow: inset 0 0 0 1.5px var(--neg); }
.fld-sub { font-size: 13px; color: var(--text-3); }
.fld-money .fld-sub, .fld-percent .fld-sub { min-height: 17px; }
.fld-sub.is-error { color: var(--neg); }
.fld-sub.is-link { color: var(--gold-text); font-weight: 600; }
.fld-compact { min-height: 54px; padding: 7px 14px; }
.fld-compact .fld-value, .fld-compact .fld-sign { font-size: 24px; }

/* Slot rows with a trailing action (parlay legs) */
.leg { display: grid; grid-template-columns: 1fr 44px; gap: 8px; align-items: stretch; }
.leg-remove { border-radius: var(--r); display: grid; place-items: center; color: var(--text-3); background: var(--s1); box-shadow: var(--slot-shadow); }
.leg-remove:active { color: var(--neg); background: var(--neg-soft); }
.btn-row { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; border-radius: var(--r); width: 100%; background: var(--s1); color: var(--text); font-weight: 600; font-size: 15px; box-shadow: var(--slot-shadow); }
.btn-row:active { background: var(--s2); }
.btn-primary { min-height: 50px; border-radius: var(--r); background: var(--gold); color: var(--gold-ink); font-weight: 700; font-size: 17px; width: 100%; }
.btn-danger { min-height: 48px; border-radius: var(--r); background: var(--neg-soft); color: var(--neg); font-weight: 600; font-size: 15px; width: 100%; }

/* Segmented controls */
.seg { display: inline-flex; padding: 2px; gap: 2px; background: var(--s1); border-radius: 12px; }
.seg-btn { min-height: 44px; padding: 0 14px; border-radius: 9px; font-size: 14px; font-weight: 600; color: var(--text-2); white-space: nowrap; transition: background .15s, color .15s; }
.seg-btn.is-on { background: var(--s3); color: var(--text); }
.seg-mini .seg-btn { min-width: 44px; padding: 0 12px; }
.seg-full { display: flex; width: 100%; }
.seg-full .seg-btn { flex: 1; min-height: 44px; text-align: center; padding: 0 8px; }

/* Collapsible */
.card-disclosure { border-radius: var(--r); background: var(--s1); box-shadow: var(--slot-shadow); }
.disclosure { display: flex; align-items: center; justify-content: space-between; width: 100%; min-height: 48px; padding: 0 14px; font-size: 14px; font-weight: 600; color: var(--text-2); }
.disclosure svg { transition: transform .18s; color: var(--text-3); }
.disclosure.is-open svg { transform: rotate(180deg); }
.disclosure-body { display: flex; flex-direction: column; gap: 10px; padding: 0 12px 12px; }

/* Dock: keypad + tabs */
.dock { flex: none; display: flex; flex-direction: column; position: relative; z-index: 3; }
.keypad { padding: 8px 12px 10px; background: var(--kp-bg); border-top: 1px solid var(--hair); }
.kp-chips { display: flex; gap: 8px; overflow-x: auto; padding: 0 24px 8px 0; scrollbar-width: none; -webkit-overflow-scrolling: touch; touch-action: pan-x; -webkit-mask-image: linear-gradient(90deg, #000 calc(100% - 32px), transparent); mask-image: linear-gradient(90deg, #000 calc(100% - 32px), transparent); }
.kp-chips::-webkit-scrollbar { display: none; }
.kp-chip { flex: none; height: 44px; padding: 0 14px; border-radius: 999px; background: var(--key); color: var(--text); font-size: 14px; font-weight: 600; font-variant-numeric: tabular-nums; box-shadow: inset 0 0 0 1px var(--hair); }
.kp-chip:active { background: var(--s3); }
.kp-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.kp-key {
  height: clamp(44px, 6.4dvh, 56px); border-radius: var(--r-key); background: var(--key); color: var(--text);
  font-family: var(--font-num); font-size: 26px; font-weight: 400; display: grid; place-items: center;
  transition: transform .06s, background .06s;
}
.kp-key.kp-fn { background: var(--key-fn); color: var(--text-2); font-size: 18px; font-weight: 600; box-shadow: inset 0 0 0 1px var(--hair); }
.kp-key.kp-next { background: var(--gold); color: var(--gold-ink); box-shadow: none; font-size: 17px; font-weight: 700; }
.kp-key:disabled { visibility: hidden; }
.kp-key.kp-sign { display: grid; grid-template-columns: 1fr 1fr; place-items: stretch; padding: 4px; gap: 4px; font-size: 22px; }
.kp-half { display: grid; place-items: center; border-radius: 10px; color: var(--text-3); }
.kp-half.is-on { background: var(--s3); color: var(--text); }
.res-hero.tone-muted .res-value { color: var(--text); }
.kp-key.is-pressed { transform: scale(0.94); background: var(--key-press); }
.kp-grid.kp-odds .kp-zero { grid-column: 2 / 4; }
.kp-grid.kp-odds .kp-key:disabled { display: none; }
.kp-key.kp-next.is-pressed { background: var(--gold); filter: brightness(1.1); }
.tabs {
  display: grid; grid-template-columns: repeat(5, 1fr);
  height: calc(var(--tab-h) + env(safe-area-inset-bottom));
  padding: 4px 8px max(env(safe-area-inset-bottom), 6px);
  background: var(--s1); border-top: 1px solid var(--hair);
}
.tab { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; color: var(--text-3); }
.tab-ic { width: 44px; height: 26px; display: grid; place-items: center; border-radius: 10px; }
.tab-label { font-size: 11px; font-weight: 600; letter-spacing: 0.01em; }
.tab.is-active { color: var(--gold-text); }
.tab.is-active .tab-ic { background: var(--s3); }
.tab:active .tab-ic { background: var(--s2); }

/* Toast: above the dock, never over the answer */
#toast {
  position: fixed; left: 104px; right: 96px; margin: 0 auto; width: max-content; max-width: calc(100vw - 200px); top: calc(var(--sat) + 8px); z-index: 90;
  display: inline-flex; align-items: center; gap: 8px;
  transform: translateY(-6px); opacity: 0; pointer-events: none;
  padding: 8px 14px 8px 11px; border-radius: 999px;
  background: var(--s2); color: var(--text); font-size: 14px; font-weight: 600;
  box-shadow: var(--pop-shadow); transition: opacity .16s, transform .16s; white-space: nowrap; text-align: left; line-height: 1.25;
}
#toast svg { color: var(--pos); flex: none; }
#toast span { overflow: hidden; text-overflow: ellipsis; min-width: 0; }
#toast.is-on { opacity: 1; transform: none; }

/* Sheets: full height, above the dock; Settings carries the keypad inside its panel */
.sheet { position: fixed; inset: 0; z-index: 50; }
.sheet:not(.is-open) { pointer-events: none; }
.sheet-backdrop { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.45); opacity: 0; transition: opacity .2s; }
.sheet-panel {
  position: absolute; left: 0; right: 0; bottom: 0; max-height: calc(100% - env(safe-area-inset-top) - 24px);
  display: flex; flex-direction: column; max-width: 560px; margin: 0 auto;
  background: var(--sheet); border-radius: 24px 24px 0 0; box-shadow: 0 -16px 48px rgba(0, 0, 0, 0.35);
  transform: translateY(105%); transition: transform .26s cubic-bezier(.2, .9, .3, 1.05);
}
.sheet-panel.is-dragging { transition: none; }
.sheet.is-open .sheet-backdrop { opacity: 1; }
.sheet.is-open .sheet-panel { transform: none; }
.sheet-grab { width: 36px; height: 5px; border-radius: 3px; background: var(--hair-2); margin: 8px auto 0; }
.sheet-head { display: flex; align-items: center; justify-content: space-between; padding: 6px 20px 4px; touch-action: none; box-shadow: 0 1px 0 var(--hair); position: relative; z-index: 1; }
.sheet-title { margin: 0; font-size: 20px; font-weight: 700; letter-spacing: -0.01em; }
.btn-done { color: var(--gold-text); font-weight: 700; font-size: 17px; min-height: 44px; padding: 0 2px 0 12px; }
.sheet-body { flex: 1 1 auto; min-height: 0; overflow-y: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; padding: 12px 20px calc(env(safe-area-inset-bottom) + 20px); display: flex; flex-direction: column; gap: 22px; }
.sheet-panel .keypad { flex: none; border-radius: 0; padding-bottom: calc(env(safe-area-inset-bottom) + 8px); }
.sheet-panel .kp-key { height: 48px; }
.sheet-panel .keypad + .sheet-body, .sheet-body:has(+ .keypad) { padding-bottom: 12px; }
.sheet-body > * { flex-shrink: 0; }
.sheet-body::-webkit-scrollbar { display: none; }
.section { display: flex; flex-direction: column; gap: 10px; }
.section-title { font-size: 12px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-3); }
.note { font-size: 13px; color: var(--text-3); line-height: 1.4; }
.about { font-size: 12px; color: var(--text-3); }
.chips { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.chips .chip:last-child:nth-child(odd) { grid-column: 1 / -1; }
.chip { min-height: 48px; line-height: 1.15; padding: 6px 13px; border-radius: 12px; background: var(--s2); color: var(--text-2); font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; justify-content: space-between; gap: 6px; text-align: left; }
.chip.is-on { background: var(--s3); color: var(--text); box-shadow: inset 0 0 0 1.5px var(--gold); }
.chip small { font-weight: 500; color: var(--text-3); }
.chip.is-on small { color: var(--text-2); }
.sheet .seg { background: var(--s2); }
.switch-row { display: flex; align-items: center; justify-content: space-between; min-height: 48px; padding: 0; }
.switch-row .lbl { font-size: 15px; font-weight: 500; }
.switch-row .sub { font-size: 13px; color: var(--text-3); }
.toggle { width: 50px; height: 30px; border-radius: 999px; background: var(--s3); position: relative; transition: background .15s; flex: none; }
.toggle::before { content: ""; position: absolute; inset: -9px -10px; }
.toggle::after { content: ""; position: absolute; top: 3px; left: 3px; width: 24px; height: 24px; border-radius: 50%; background: #ffffff; box-shadow: 0 1px 2px rgba(0,0,0,.25); transition: transform .15s; }
.toggle.is-on { background: var(--gold); }
.toggle.is-on::after { transform: translateX(20px); }
.glossary { margin: 0; }
.glossary dt { font-weight: 600; margin-top: 12px; }
.glossary dd { margin: 2px 0 0; color: var(--text-2); font-size: 14px; line-height: 1.45; }

/* Haptic helper: an off-screen native switch, toggled on key taps (iOS plays a tick) */
.haptic { position: fixed; left: -9999px; top: 0; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

/* While typing, the answer stays but its secondary tiles fold away so the slot being edited is always on screen */
/* Key tiles stay, in a compact one-line form, so the number the current slot drives is never hidden */
.kb-open .answer .tiles { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.kb-open .answer .tiles-cap { margin-bottom: -2px; font-size: 11.5px; }
.kb-open .answer .tiles .res { min-height: 0; padding: 5px 10px 6px; gap: 0; flex: 1 1 0; min-width: 0; overflow: hidden; }
.kb-open .answer .tiles .res-sub { display: none; }
.kb-open .answer .tiles .res-value { font-size: 17px; }
.kb-open .answer .tiles .res-label { font-size: 11px; }
.kb-open .say { display: none; }
.kb-open .answer { box-shadow: 0 1px 0 var(--hair); }
.kb-open .answer::after { content: ""; position: absolute; left: 0; right: 0; top: 100%; height: 22px; background: linear-gradient(var(--bg), transparent); pointer-events: none; }
/* Slack: the screen fits with room to spare while typing, so the answer sits at the top and the hero grows into it */
.kb-open .screen.fits .answer { margin-top: 0; }
.kb-open .screen.slack .res-hero:not(.is-long) .res-value { font-size: clamp(60px, 18vw, 80px); }
.kb-open .screen.slack .res-col.res-hero:not(.is-long) .res-value { font-size: clamp(52px, 15.5vw, 68px); }
.kb-open .screen.roomy .say { display: block; }
.kb-open .screen.roomy .res-hero:not(.res-col):not(.is-long) .res-value { font-size: clamp(64px, 20vw, 92px); }
.kb-open .screen.slack .answer .tiles .res-value { font-size: 20px; }
.kb-open .screen.slack .answer .tiles .res-sub { display: -webkit-box; }
.kb-open .screen.slack .answer .tiles .res { padding: 8px 12px; }
.kb-open .slots .note { display: none; }
/* On a tight screen the what-if tiles step aside while another slot is being typed, so that slot stays on screen */
.tight.kb-open .tiles-whatif:not(.tiles-keep) { display: none; }
.tight.kb-open .answer.whatif-focus .tiles:not(.tiles-whatif) { display: none; }
.fld:focus-visible, .res:focus-visible { outline: none; }
/* Parlay with many legs on a tight screen: the tiles fold while typing so two leg rows stay on screen */
.tight.kb-open .screen.many-legs:not(.slack) .tiles { display: none; }
/* Tight: little room between the header and the keypad (notched phones). Only sizes shrink; nothing folds. */
.tight .kp-key { height: clamp(44px, 5.6dvh, 50px); }
.tight .kp-chip { height: 40px; }
.tight .kp-chips { padding-bottom: 6px; }
.tight .keypad { padding: 6px 12px 8px; }
.tight .answer { padding: 4px 20px 10px; }
.tight .screen-head { min-height: 36px; margin-bottom: 6px; }
.tight .res-hero .res-value { font-size: clamp(40px, 12vw, 52px); }
.tight .res-col.res-hero .res-value { font-size: clamp(36px, 10.5vw, 46px); }
.tight .fld { min-height: 56px; padding: 6px 14px; }
.tight .fld-value, .tight .fld-sign { font-size: 24px; }
.tight .fld-compact { min-height: 48px; }

/* Compact mode for short screens (iPhone SE, or a browser tab with chrome) */
@media (max-height: 740px) {
  .top { min-height: 44px; padding-top: env(safe-area-inset-top); padding-bottom: 0; }
  :root { --tab-h: 50px; }
  .keypad { padding: 6px 12px 8px; }
  .kp-chips { padding-bottom: 6px; }
  .kp-chip { height: 40px; }
  .kp-grid { gap: 6px; }
  .answer { padding: 4px 20px 10px; }
  .screen-head { min-height: 36px; margin-bottom: 6px; }
  .res-hero { min-height: 0; }
  .res-hero .res-value { font-size: clamp(40px, 12vw, 46px); }
  .tiles { margin-top: 6px; }
  .tiles .res { min-height: 48px; padding: 6px 12px; }
  .kb-open .say { display: none; }
  .fld { min-height: 56px; padding: 6px 14px; }
  .fld-value, .fld-sign { font-size: 24px; }
  .fld-compact { min-height: 48px; }
}
@media (min-width: 600px) { #app { border-left: 1px solid var(--hair); border-right: 1px solid var(--hair); } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }