:root{--bg:#f4efe2;--surface:#fffdf8;--surface-2:#f1ead9;--text:#2a241d;--muted:#776d5e;--line:#e2d8c3;--accent:#5b8a35;--accent-strong:#4a7429;--accent-ink:#fff;--warn:#e0832a;--danger:#d6483a;--sq-light:#efe4c7;--sq-dark:#8fa86c;--shadow:0 1px 2px #2a241d0f, 0 8px 24px #2a241d14;--radius:18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;font-family:ui-rounded,SF Pro Rounded,Nunito,system-ui,-apple-system,Segoe UI,sans-serif}@media (prefers-color-scheme:dark){:root{--bg:#161a13;--surface:#20251c;--surface-2:#2a3024;--text:#ece6d6;--muted:#a39b88;--line:#353c2e;--accent:#7aaa4f;--accent-strong:#8dbd60;--accent-ink:#10140c;--shadow:0 1px 2px #0000004d, 0 8px 24px #00000040;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*{box-sizing:border-box}body{min-height:100dvh;margin:0}button{font:inherit;color:inherit}input{font:inherit;color:var(--text);background:var(--surface);border:1.5px solid var(--line);border-radius:12px;width:100%;padding:10px 12px}input:focus{border-color:var(--accent);outline:none}label{color:var(--muted);margin:14px 0 6px;font-size:13px;font-weight:700;display:block}h1,h2,h3{letter-spacing:-.01em;margin:0}.muted{color:var(--muted)}.small{font-size:13px}.good{color:var(--accent);font-weight:700}.row{flex-wrap:wrap;gap:8px;display:flex}.btn{background:var(--accent);color:var(--accent-ink);cursor:pointer;box-shadow:0 2px 0 var(--accent-strong);border:none;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;gap:2px;padding:11px 18px;font-size:15px;font-weight:800;transition:transform 80ms,background .15s,opacity .15s;display:inline-flex}.btn:hover:not(:disabled){background:var(--accent-strong)}.btn:active:not(:disabled){box-shadow:none;transform:translateY(1px)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn small{opacity:.85;font-size:12px;font-weight:600}.btn.secondary{background:var(--surface-2);color:var(--text);box-shadow:0 2px 0 var(--line)}.btn.secondary:hover:not(:disabled){background:var(--line)}.btn.ghost{color:var(--muted);box-shadow:none;background:0 0}.btn.ghost:hover:not(:disabled){background:var(--surface-2);color:var(--text)}.btn.big{width:100%;padding:14px 18px;font-size:17px}.btn.small{padding:6px 12px;font-size:13px}.link{color:var(--muted);cursor:pointer;background:0 0;border:none;text-decoration:underline}.icon-btn{background:var(--surface-2);cursor:pointer;border:none;border-radius:50%;place-items:center;width:36px;height:36px;font-weight:800;display:grid}.icon-btn:hover{background:var(--line)}.chips{flex-wrap:wrap;gap:6px;display:flex}.chip{border:1.5px solid var(--line);background:var(--surface);cursor:pointer;border-radius:999px;padding:6px 12px;font-size:14px;font-weight:700}.chip.on{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 15%, var(--surface))}.segmented{background:var(--surface-2);border-radius:12px;grid-auto-columns:1fr;grid-auto-flow:column;margin-bottom:14px;padding:3px;display:grid}.segmented button{cursor:pointer;color:var(--muted);background:0 0;border:none;border-radius:10px;padding:8px;font-weight:700}.segmented button.on{background:var(--surface);color:var(--text);box-shadow:0 1px 3px #0000001f}.pill{background:var(--surface-2);white-space:nowrap;border-radius:999px;align-items:center;gap:6px;padding:5px 11px;font-size:13px;font-weight:700;display:inline-flex}.pill .dot{background:#3fbf4a;border-radius:50%;width:8px;height:8px;box-shadow:0 0 0 3px #3fbf4a40}.pill.off{color:var(--muted)}.spinner{border:2.5px solid color-mix(in srgb, var(--accent) 30%, transparent);border-top-color:var(--accent);vertical-align:-2px;border-radius:50%;width:14px;height:14px;margin-right:6px;animation:.8s linear infinite spin;display:inline-block}.spinner.big{border-width:3.5px;width:28px;height:28px;margin:0}@keyframes spin{to{transform:rotate(360deg)}}.app{flex-direction:column;min-height:100dvh;display:flex}.app-header{padding:10px max(14px, env(safe-area-inset-left));padding-top:max(10px, env(safe-area-inset-top));z-index:30;background:color-mix(in srgb, var(--bg) 88%, transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);justify-content:space-between;align-items:center;display:flex;position:sticky;top:0}.logo{cursor:pointer;background:0 0;border:none;align-items:center;gap:8px;padding:0;font-size:19px;font-weight:900;display:flex}.logo img{width:32px;height:32px}.header-right{align-items:center;gap:8px;display:flex}main{padding:0 12px calc(24px + env(safe-area-inset-bottom));flex:1}.banner{background:color-mix(in srgb, var(--warn) 20%, var(--surface));justify-content:center;align-items:center;gap:12px;padding:10px;font-weight:700;display:flex}.toast{left:50%;bottom:calc(24px + env(safe-area-inset-bottom));background:var(--text);color:var(--bg);z-index:100;box-shadow:var(--shadow);text-align:center;border-radius:14px;max-width:min(92vw,420px);padding:12px 18px;font-weight:700;animation:.2s ease-out toast-in;position:fixed;transform:translate(-50%)}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,10px)}}.home{max-width:1080px;margin:0 auto}.hero{align-items:center;gap:22px;padding:18px 6px 26px;display:flex}.hero-snail{flex-shrink:0;width:130px;height:130px;animation:4s ease-in-out infinite bob}@keyframes bob{50%{transform:translate(6px)rotate(-1.5deg)}}.hero h1{font-size:clamp(32px,6vw,46px);font-weight:900}.hero p{max-width:560px;color:var(--muted);margin:6px 0 14px;font-size:16px;line-height:1.5}.resume{margin-bottom:16px}.cards{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));align-items:start;gap:16px;display:grid}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);flex-direction:column;gap:10px;padding:20px;display:flex}.card label{margin:4px 0 0}.card .segmented{margin-bottom:4px}.card-head{justify-content:space-between;align-items:center;gap:10px;margin-bottom:4px;display:flex}.card h2{font-size:21px;font-weight:900}.levels{flex-direction:column;gap:5px;display:flex}.level{border:1.5px solid var(--line);background:var(--surface);cursor:pointer;text-align:left;border-radius:12px;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;padding:8px 12px;display:grid}.level.on{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 14%, var(--surface))}.level-name{white-space:nowrap;font-size:14.5px;font-weight:800}.level-blurb{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:12.5px;font-weight:600;overflow:hidden}.level-dots{gap:3px;display:flex}.level-dots i{background:var(--line);border-radius:50%;width:7px;height:7px}.level-dots i.filled{background:var(--accent)}.friend-setup{border-top:1px dashed var(--line);flex-direction:column;gap:8px;padding-top:6px;display:flex}.join-form{gap:8px;margin-top:4px;display:flex}.join-form input{text-transform:uppercase;letter-spacing:.12em;font-weight:800}.join-form input::placeholder{letter-spacing:normal;text-transform:none;font-weight:600}.searching{grid-template-columns:auto 1fr;align-items:center;gap:12px;display:grid}.searching p{margin:2px 0 0}.searching .btn,.searching .tip{grid-column:1/-1}.searching .tip{margin:0}.room{text-align:center;flex-direction:column;align-items:center;gap:10px;display:flex}.room p{margin:0}.room-code{letter-spacing:.16em;font-variant-numeric:tabular-nums;background:var(--surface-2);-webkit-user-select:all;user-select:all;border-radius:14px;padding:6px 14px 6px 20px;font-size:40px;font-weight:900}.game-layout{--board:min(calc(100dvh - 214px), 680px, calc(100vw - 380px));justify-content:center;gap:22px;padding-top:6px;display:flex}.board-column{width:var(--board);flex-direction:column;gap:8px;display:flex}.side-panel{width:320px;max-height:calc(var(--board) + 130px);flex-direction:column;gap:10px;display:flex}@media (width<=820px){.game-layout{--board:min(calc(100vw - 16px), calc(100dvh - 230px), 640px);flex-direction:column;align-items:center;gap:12px}.game-layout .board-column{--board:min(calc(100vw - 16px), 640px)}.side-panel{width:min(100%,640px);max-height:none}main{padding:0 8px calc(16px + env(safe-area-inset-bottom))}.move-list{max-height:132px}.hero{padding-top:6px}.hero-snail{width:84px;height:84px}}.status-line{background:var(--surface);box-shadow:var(--shadow);border-radius:14px;padding:12px 14px;font-weight:800}.status-line.alert{background:color-mix(in srgb, var(--danger) 18%, var(--surface))}.status-line.warn{background:color-mix(in srgb, var(--warn) 22%, var(--surface))}.status-line.over{background:color-mix(in srgb, var(--accent) 18%, var(--surface))}.viewing-history{background:color-mix(in srgb, #4b7bd1 18%, var(--surface));cursor:pointer;border:none;border-radius:12px;padding:8px 12px;font-weight:700}.notice{background:var(--surface);box-shadow:var(--shadow);border-radius:14px;padding:10px 14px;font-size:14px;font-weight:600}.notice.warn{background:color-mix(in srgb, var(--warn) 20%, var(--surface))}.notice.offer{background:color-mix(in srgb, var(--accent) 16%, 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10px;font-size:20px;font-weight:800}.clock.running{background:var(--text);color:var(--bg)}.clock.running.low{background:var(--danger);color:#fff}.move-list-wrap{background:var(--surface);box-shadow:var(--shadow);border-radius:14px;flex-direction:column;flex:1;min-height:0;display:flex}.move-list{flex:1;min-height:80px;padding:8px;overflow-y:auto}.move-list p{margin:6px}.move-row{grid-template-columns:34px 1fr 1fr;align-items:center;display:grid}.move-no{color:var(--muted);text-align:right;padding-right:6px;font-size:13px;font-weight:700}.move{text-align:left;cursor:pointer;font-variant-numeric:tabular-nums;background:0 0;border:none;border-radius:7px;align-items:center;gap:4px;padding:4px 6px;font-weight:700;display:flex}.move:hover{background:var(--surface-2)}.move.current{background:color-mix(in srgb, var(--accent) 22%, var(--surface))}.move-snail{color:var(--danger);align-items:center;font-size:12px;display:inline-flex}.move-snail 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14%)}.snail-paths{pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.snail-arrow{stroke-width:.075px;stroke-linecap:round;stroke-dasharray:.16 .12;fill:none}.snail-arrow.w{stroke:#fffbf0f2}.snail-arrow.b{stroke:#2a221ad9}.snail-arrow.soon{stroke:#d6483a;animation:.9s linear infinite march}@keyframes march{to{stroke-dashoffset:-.56px}}.arrowhead.w path{fill:#fffbf0f2}.arrowhead.b path{fill:#2a221ad9}.arrowhead.soon path{fill:#d6483a}.pieces{pointer-events:none;position:absolute;inset:0}.piece{width:12.5%;height:12.5%;position:absolute}.piece img{width:100%;height:100%;display:block}.piece.slide{z-index:3;animation:.18s ease-out both slide}@keyframes slide{0%{transform:translate(var(--dx), var(--dy))}}.piece.crawl{animation:.85s cubic-bezier(.45,0,.3,1) .2s both crawl}@keyframes crawl{0%{transform:translate(var(--dx), var(--dy))}}.piece.eaten{animation:1s ease-in both eaten}@keyframes eaten{0%,70%{opacity:1;transform:none}to{opacity:0;transform:scale(.3)rotate(-25deg)}}.piece.lifted{opacity:.3}.piece.snail{z-index:2}.snail-count{color:#fff;background:#2a241d;border-radius:50%;place-items:center;width:30%;height:30%;font-size:max(9px,2.3cqi);font-weight:900;display:grid;position:absolute;top:2%;right:2%;box-shadow:0 0 0 max(1.5px,.25cqi) #ffffffe6}.snail-count.soon{background:#d6483a;animation:1.1s ease-in-out infinite pop}@keyframes pop{50%{transform:scale(1.15)}}.drag-ghost{pointer-events:none;z-index:10;filter:drop-shadow(0 6px 8px #00000059);width:12.5%;height:12.5%;position:absolute;transform:translate(-50%,-55%)scale(1.15)}.promotion{z-index:20;cursor:default;background:#14120e8c;place-items:center;display:grid;position:absolute;inset:0}.promotion-card{background:var(--surface);box-shadow:var(--shadow);border-radius:16px;flex-direction:column;align-items:center;gap:8px;padding:14px;font-weight:800;display:flex}.promotion-options{gap:6px;display:flex}.promotion-options button{background:var(--surface-2);cursor:pointer;border:none;border-radius:12px;width:min(16cqi,84px);height:min(16cqi,84px);padding:4px}.promotion-options button:hover{background:color-mix(in srgb, var(--accent) 25%, var(--surface))}.promotion-options img{width:100%;height:100%}.end-card-backdrop,.modal-backdrop{z-index:50;background:#14120e73;place-items:center;padding:16px;animation:.2s ease-out fade;display:grid;position:fixed;inset:0}@keyframes fade{0%{opacity:0}}.end-card{background:var(--surface);text-align:center;width:min(360px,100%);box-shadow:var(--shadow);border-radius:22px;padding:24px;animation:.3s cubic-bezier(.2,.9,.3,1.2) rise}@keyframes rise{0%{opacity:0;transform:translateY(16px)scale(.96)}}.end-card h2{font-size:28px;font-weight:900}.end-card p{color:var(--muted);margin:6px 0 18px;font-weight:700}.end-snail{width:90px;height:90px}.end-actions{flex-direction:column;gap:8px;display:flex}.modal{background:var(--surface);width:min(440px,100%);max-height:min(86dvh,760px);box-shadow:var(--shadow);border-radius:22px;animation:.25s ease-out rise;overflow-y:auto}.modal.wide{width:min(600px,100%)}.modal-head{background:var(--surface);justify-content:space-between;align-items:center;padding:18px 20px 6px;display:flex;position:sticky;top:0}.modal-head h2{font-size:22px;font-weight:900}.modal-body{padding:6px 20px 20px}.toggle{color:var(--text);cursor:pointer;align-items:center;gap:10px;font-size:15px;display:flex}.toggle input{width:20px;height:20px;accent-color:var(--accent)}.rules .lead-text{margin-top:4px;font-size:16px;line-height:1.5}.rule{border-top:1px solid var(--line);align-items:flex-start;gap:14px;padding:10px 0;display:flex}.rule img,.rule-icon{flex-shrink:0;width:52px;height:52px}.rule-icon{color:#fff;background:#2a241d;border-radius:50%;place-items:center;font-size:22px;font-weight:900;display:grid;transform:scale(.8)}.rule-icon.danger{background:var(--warn)}.rule h3{font-size:16px;font-weight:900}.rule p{color:var(--muted);margin:4px 0 0;line-height:1.5}