/* Size It Up board. Tokens from style.css (Moonlit): the reference silhouette is lavender, the player's guess is moon
 * gold, the real size (revealed on lock-in) is green. Silhouettes are PhyloPic SVGs used as CSS masks, so one file
 * serves every colour and both themes. */
:root { --siu-ref: var(--accent-2); --siu-guess: var(--accent); --siu-true: var(--good); --siu-grid: color-mix(in srgb, var(--ink) 6%, transparent); --siu-ground: var(--line-strong); }
[data-theme='dark'] { --siu-grid: color-mix(in srgb, var(--ink) 7%, transparent); }

.siu { width: 100%; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; display: flex; flex-direction: column; gap: 10px; }
.siu-top { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; font-size: 13px; font-weight: 700; color: var(--ink-soft); font-variant-numeric: tabular-nums; }
.siu-top .sc b { color: var(--ink); font-family: var(--display); font-size: 18px; }
.siu-top .dots { display: inline-flex; gap: 4px; margin-left: 8px; vertical-align: middle; }
.siu-top .dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--line-strong); display: inline-block; }
.siu-top .dots i.g { background: var(--good); } .siu-top .dots i.y { background: var(--accent); } .siu-top .dots i.r { background: var(--bad); } .siu-top .dots i.cur { outline: 2px solid var(--accent-2); outline-offset: 1px; }

/* ---------- stage ---------- */
.siu-stage { position: relative; width: 100%; aspect-ratio: 4 / 3; max-height: 440px; border-radius: 12px; overflow: hidden; background: var(--surface-2); background-image: linear-gradient(var(--siu-grid) 1px, transparent 1px), linear-gradient(90deg, var(--siu-grid) 1px, transparent 1px); background-size: 24px 24px; cursor: ew-resize; touch-action: none; }
.siu-stage.done { cursor: default; }
.siu-ground { position: absolute; left: 0; right: 0; bottom: 18%; height: 2px; background: var(--siu-ground); }
.siu-fig { position: absolute; bottom: 18%; -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; -webkit-mask-size: 100% 100%; mask-size: 100% 100%; -webkit-mask-position: center bottom; mask-position: center bottom; pointer-events: none; }
.siu-fig.ref { background: var(--siu-ref); }
.siu-fig.tgt { background: var(--siu-guess); }
.siu-fig.truth { background: var(--siu-true); opacity: 0; }
.siu-stage.reveal .siu-fig.tgt { opacity: .55; }
.siu-stage.reveal .siu-fig.truth { opacity: .85; transition: width .6s cubic-bezier(.3, 1.2, .4, 1), height .6s cubic-bezier(.3, 1.2, .4, 1), left .6s cubic-bezier(.3, 1.2, .4, 1), opacity .25s ease; }
.siu-grip { position: absolute; width: 30px; height: 30px; margin: -15px 0 0 -15px; border-radius: 50%; background: var(--surface); border: 2px solid var(--siu-guess); color: var(--siu-guess); display: grid; place-items: center; box-shadow: var(--shadow-hover); cursor: nwse-resize; pointer-events: none; }
.siu-grip svg { width: 16px; height: 16px; }
.siu-stage.done .siu-grip { display: none; }
.siu-tag { position: absolute; font-size: 12px; font-weight: 700; color: var(--ink-soft); white-space: nowrap; transform: translateX(-50%); pointer-events: none; max-width: 46%; overflow: hidden; text-overflow: ellipsis; text-align: center; }
.siu-tag.ref { color: var(--siu-ref); } .siu-tag.tgt { color: color-mix(in srgb, var(--siu-guess) 70%, var(--ink)); }
.siu-tag small { display: block; font-weight: 600; color: var(--ink-faint); }
.siu-clip { position: absolute; top: 8px; right: 10px; font-size: 11px; font-weight: 700; color: var(--ink-faint); background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 2px 8px; }
.siu-hinttip { position: absolute; left: 10px; top: 8px; right: 10px; font-size: 13px; font-weight: 700; color: var(--ink); background: var(--surface); border: 1px solid var(--accent); border-radius: 10px; padding: 6px 10px; animation: siuin .2s ease; }
@keyframes siuin { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }

/* ---------- readout + slider ---------- */
.siu-ctl { display: grid; grid-template-columns: 1fr auto; gap: 8px 12px; align-items: center; }
.siu-read { grid-column: 1; grid-row: 1; font-family: var(--display); font-weight: 700; font-size: 20px; font-variant-numeric: tabular-nums; min-height: 1.3em; }
.siu-read small { font-family: var(--body); font-size: 13px; color: var(--ink-faint); font-weight: 600; margin-left: 8px; }
.siu-read .x { font-family: var(--body); font-size: 13px; color: var(--ink-soft); font-weight: 700; margin-left: 8px; }
.siu-ctl .btn { grid-column: 2; grid-row: 1 / span 2; }
.siu-slider { grid-column: 1; grid-row: 2; width: 100%; -webkit-appearance: none; appearance: none; height: 28px; background: transparent; margin: 0; cursor: pointer; }
.siu-slider::-webkit-slider-runnable-track { height: 6px; border-radius: 3px; background: linear-gradient(90deg, var(--line) 0 50%, var(--siu-ref) 50% calc(50% + 2px), var(--line) calc(50% + 2px)); }
.siu-slider::-moz-range-track { height: 6px; border-radius: 3px; background: var(--line); }
.siu-slider::-webkit-slider-thumb { -webkit-appearance: none; width: 26px; height: 26px; border-radius: 50%; margin-top: -10px; background: var(--siu-guess); border: 3px solid var(--surface); box-shadow: 0 2px 6px rgba(0, 0, 0, .25); }
.siu-slider::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: var(--siu-guess); border: 3px solid var(--surface); box-shadow: 0 2px 6px rgba(0, 0, 0, .25); }
.siu-slider:disabled { opacity: .4; cursor: default; }
.siu-prompt { font-size: 14px; color: var(--ink-soft); margin: 0; }
.siu-prompt b { color: var(--ink); }
.siu-prompt .ref { color: var(--siu-ref); font-weight: 800; } .siu-prompt .tgt { color: color-mix(in srgb, var(--siu-guess) 70%, var(--ink)); font-weight: 800; }

/* ---------- reveal card ---------- */
.siu-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-btn); padding: 12px 14px; display: grid; grid-template-columns: auto 1fr; gap: 4px 16px; align-items: start; animation: siuin .25s ease; }
.siu-card .big { grid-row: 1 / span 3; font-family: var(--display); font-weight: 800; font-size: 46px; line-height: 1; font-variant-numeric: tabular-nums; color: var(--ink); align-self: center; min-width: 2.2ch; text-align: center; }
.siu-card .big small { display: block; font-size: 12px; font-weight: 700; color: var(--ink-faint); letter-spacing: .08em; }
.siu-card.perfect .big { color: var(--good); } .siu-card.zero .big { color: var(--bad); }
.siu-card .row { font-size: 14px; color: var(--ink-soft); }
.siu-card .row b { color: var(--ink); font-variant-numeric: tabular-nums; }
.siu-card .verdict { font-weight: 800; color: var(--ink); }
.siu-card.perfect .verdict { color: var(--good); }
.siu-card .foot { grid-column: 1 / -1; font-size: 12px; color: var(--ink-faint); border-top: 1px solid var(--line); padding-top: 8px; margin-top: 4px; }
.siu-card .foot a { color: var(--ink-soft); }
.siu-acts { display: flex; gap: 8px; justify-content: flex-end; flex-wrap: wrap; }
.siu-acts .hint-used { font-size: 12px; color: var(--ink-faint); margin-right: auto; align-self: center; }

/* ---------- summary (after the last round) ---------- */
.siu-sum { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-btn); padding: 10px 14px; animation: siuin .3s ease; }
.siu-sum h3 { margin: 4px 0 8px; font-size: 17px; }
.siu-sum table { width: 100%; border-collapse: collapse; font-size: 14px; font-variant-numeric: tabular-nums; }
.siu-sum td { padding: 6px 4px; border-top: 1px solid var(--line); vertical-align: middle; }
.siu-sum td.n { color: var(--ink-faint); font-weight: 700; width: 1.5em; }
.siu-sum td.s { text-align: right; font-weight: 800; width: 3em; }
.siu-sum td .g { color: var(--ink-faint); font-size: 12px; display: block; }
.siu-sum .total { display: flex; justify-content: space-between; align-items: baseline; font-family: var(--display); font-weight: 800; font-size: 22px; margin-top: 8px; }
.siu-sum .total .bar { font-size: 20px; letter-spacing: 2px; }
.siu-sum .quip { color: var(--ink-soft); font-size: 14px; margin: 2px 0 6px; }
.siu .shake { animation: siushake .35s cubic-bezier(.36, .07, .19, .97) both; }
@keyframes siushake { 10%, 90% { transform: translateX(-2px); } 20%, 80% { transform: translateX(3px); } 30%, 50%, 70% { transform: translateX(-4px); } 40%, 60% { transform: translateX(4px); } }
.siu-confetti { position: absolute; inset: 0; pointer-events: none; z-index: 5; }

/* ---------- page pieces ---------- */
.btn-icon .cnt { position: absolute; right: -5px; top: -6px; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 999px; background: var(--accent); color: var(--accent-ink); font-size: 11px; font-weight: 800; display: grid; place-items: center; font-variant-numeric: tabular-nums; }
.btn-icon .cnt:empty { display: none; }
.btn-icon { position: relative; }
.btn-icon svg { width: 20px; height: 20px; }
.q-meta { display: inline-flex; gap: 6px; align-items: center; font-size: 13px; font-weight: 700; color: var(--ink-soft); }
.q-meta .pill { background: var(--surface-2); border: 1px solid var(--line); border-radius: 999px; padding: 4px 10px; font-variant-numeric: tabular-nums; }
.q-pick { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 0 12px; }
.q-pick button { border: 1px solid var(--line); background: var(--surface); color: var(--ink-soft); border-radius: 999px; padding: 6px 12px; font: inherit; font-size: 13px; font-weight: 700; cursor: pointer; }
.q-pick button[aria-pressed='true'] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.siu-page .board-wrap { padding: 12px; }
.siu-page .board-wrap #game { min-height: 0; }
/* archive answer page: a pair drawn to scale */
.siu-pair { display: flex; align-items: flex-end; gap: 18px; height: 120px; border-bottom: 2px solid var(--siu-ground); padding: 0 12px; margin: 10px 0 4px; overflow: hidden; }
.siu-pair i { display: block; -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; -webkit-mask-size: 100% 100%; mask-size: 100% 100%; -webkit-mask-position: center bottom; mask-position: center bottom; }
.siu-pair i.ref { background: var(--siu-ref); } .siu-pair i.tgt { background: var(--siu-true); }
.siu-credits { font-size: 13px; color: var(--ink-faint); }
@media (max-width: 480px) { .siu-card .big { font-size: 38px; } .siu-read { font-size: 18px; } }