*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-green: #5aa363;--color-yellow: #c9b458;--color-gray: #787c7e;--bg-grad-a: #2a1a4a;--bg-grad-b: #4a2a6a;--cell-bg: #121a33;--cell-empty-bg: #1d2744;--cell-border: #2d3a5e;--anchor-bg: #3a4a74;--blocker-bg: #0a0d18;--tile-bg: #e7e3d8;--tile-fg: #1a1a22;--panel-bg: #1b1b2b;--panel-border: #33334d;--fg: #f2f0ff;--fg-muted: #b9b4d6;--accent: #b388ff;--tile-half: 20px;--rack-h: 108px;--safe-top: env(safe-area-inset-top, 0px);--safe-right: env(safe-area-inset-right, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-left: env(safe-area-inset-left, 0px)}html,body{height:100%}html,body,#app{overflow:hidden}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--fg);background:linear-gradient(160deg,var(--bg-grad-a),var(--bg-grad-b));background-attachment:fixed;height:100vh;height:100dvh}#app{height:100vh;height:100dvh}h1,h2,h3{font-weight:700;line-height:1.15}button{font:inherit;color:inherit;cursor:pointer;border:none;background:none}button:disabled{cursor:not-allowed}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.screen{display:none;flex-direction:column;height:100vh;height:100dvh;min-height:0;overflow:hidden;padding-top:var(--safe-top);padding-right:var(--safe-right);padding-left:var(--safe-left);padding-bottom:var(--safe-bottom)}.screen.is-active{display:flex}.topbar{flex:0 0 auto;display:flex;align-items:center;gap:12px;padding:10px 16px}.topbar--moves-only{justify-content:flex-end}.topbar__moves{font-variant-numeric:tabular-nums;font-weight:700;color:var(--fg-muted)}.btn{background:var(--accent);color:#1a1030;font-weight:700;border-radius:10px;padding:10px 16px}.history-strip{flex:0 0 auto;max-height:84px;display:flex;gap:8px;padding:8px 12px 0;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;justify-content:center}.history-chip{flex:0 0 auto;min-width:48px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:8px 6px;border-radius:12px;background:#ffffff0f;border:1px solid rgba(255,255,255,.12);color:var(--fg-muted);font-size:12px}.history-chip__label{font-size:11px;text-transform:uppercase;letter-spacing:.04em}.history-chip__day{font-size:15px;font-weight:700;color:var(--fg)}.history-chip.is-active{background:var(--accent);border-color:var(--accent);color:#1a1030}.history-chip.is-active .history-chip__day{color:#1a1030}.history-chip__badge{display:inline-flex;align-items:center;gap:2px;margin-top:2px;padding:1px 5px;border-radius:999px;font-size:10px;font-weight:700;line-height:1.4;background:#4ade802e;color:#4ade80}.history-chip__badge-check{font-size:10px}.history-chip.is-active .history-chip__badge{background:#1a103033;color:#1a1030}.puzzle-main{flex:1 1 auto;min-height:0;width:100%;display:flex;flex-direction:column;align-items:center;gap:8px;padding:8px 12px 0}.board-fit{flex:1 1 0;min-height:0;width:100%;max-width:480px;display:flex;align-items:center;justify-content:center}.loading-note{flex:0 0 auto;color:var(--fg-muted);font-size:13px}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:none;align-items:center;justify-content:center;background:#080614b3;z-index:100;padding:24px}.overlay.is-active{display:flex}.overlay__card{background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:18px;padding:28px 24px;text-align:center;max-width:320px;width:100%;display:flex;flex-direction:column;gap:14px}.overlay__title{font-size:26px}.overlay__stat{color:var(--fg-muted)}.fatal{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;text-align:center;padding:24px;background:linear-gradient(160deg,var(--bg-grad-a),var(--bg-grad-b));z-index:200}@media (min-width: 540px){.display-title{font-size:52px}}.board{--board-size: min(100%, 480px);width:var(--board-size);height:var(--board-size);max-width:100%;max-height:100%;aspect-ratio:1 / 1;display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(8,1fr);gap:3px;padding:6px;background:#00000038;border-radius:12px;touch-action:none}.board.is-locked .cell{pointer-events:none}.cell{position:relative;aspect-ratio:1 / 1;background:var(--cell-empty-bg);border:1px solid var(--cell-border);border-radius:6px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:clamp(14px,4.4vw,24px);text-transform:uppercase;-webkit-user-select:none;user-select:none;overflow:hidden;touch-action:none}.cell.is-filled{background:var(--cell-bg)}.cell--anchor{background:var(--anchor-bg);color:#fff;border-color:#5a6da0;pointer-events:none}.cell--blocker{background:var(--blocker-bg);border-color:#000;pointer-events:none}.cell__glyph{position:relative;z-index:2}.cell--preview-ok{outline:2px solid var(--color-green);outline-offset:-2px}.cell--preview-bad{outline:2px solid #d06a6a;outline-offset:-2px}.cell__tri{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1}.cell__tri--row{clip-path:polygon(0 0,100% 0,0 100%)}.cell__tri--col{clip-path:polygon(100% 0,100% 100%,0 100%)}.tri-green{background:var(--color-green)}.tri-yellow{background:var(--color-yellow)}.tri-gray{background:var(--color-gray)}.tri-none{background:transparent}.cc-legend{flex:0 0 auto;display:flex;align-items:center;gap:14px;font-size:12px;color:var(--fg-muted);text-align:center}.cc-legend__swatch{display:inline-block;position:relative;width:20px;height:20px;border-radius:4px;overflow:hidden;vertical-align:middle;margin-right:5px;background:var(--color-gray)}.cc-legend__swatch:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:var(--color-green);clip-path:polygon(0 0,100% 0,0 100%)}.rack{flex:0 0 auto;width:100%;max-width:520px;height:var(--rack-h);min-height:var(--rack-h);max-height:var(--rack-h);display:flex;flex-wrap:wrap;align-items:center;justify-content:center;align-content:center;gap:8px;padding:10px 12px;overflow:hidden;background:#0003;border-radius:12px}.rack__empty{color:var(--fg-muted);font-size:13px;padding:0 6px}.rack-complete{color:var(--accent);font-size:16px;font-weight:700;text-align:center;padding:0 10px}.tile{flex:0 0 auto;display:flex;background:var(--tile-bg);color:var(--tile-fg);border-radius:8px;font-weight:800;text-transform:uppercase;box-shadow:0 2px 4px #00000059;touch-action:none;-webkit-user-select:none;user-select:none}.tile--h{flex-direction:row}.tile--v{flex-direction:column}.tile__half{width:var(--tile-half);height:var(--tile-half);display:flex;align-items:center;justify-content:center;font-size:calc(var(--tile-half) * .62)}.tile--h .tile__half:first-child{border-right:1px solid rgba(0,0,0,.18)}.tile--v .tile__half:first-child{border-bottom:1px solid rgba(0,0,0,.18)}.tile.is-inflight{opacity:.3}.tile.is-shaking{animation:tile-shake .3s ease}@keyframes tile-shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.drag-ghost{position:fixed;top:0;left:0;z-index:150;pointer-events:none;opacity:.9;will-change:transform}.selftest-panel{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;line-height:1.45;background:#1b1b2b;color:#e8e8f0;border:1px solid #33334d;border-radius:10px;padding:12px 14px;max-height:60vh;overflow:auto}.selftest-panel__summary{font-weight:700;margin-bottom:8px;padding-bottom:8px;border-bottom:1px solid #33334d}.selftest-panel__summary--pass{color:#5aa363}.selftest-panel__summary--fail{color:#d06a6a}.selftest-row{display:flex;gap:8px;align-items:baseline;padding:2px 0}.selftest-row__badge{flex:0 0 auto;width:44px;text-align:center;border-radius:4px;font-size:11px;font-weight:700;padding:1px 0}.selftest-row__badge--ok{background:#234a2b;color:#8fd79a}.selftest-row__badge--fail{background:#4a2323;color:#e59a9a}.selftest-row__name{flex:1 1 auto}.selftest-row__detail{flex:0 0 auto;color:#9a9ab0}.selftest-row--fail .selftest-row__name{color:#f0bcbc}