:root{--bg: #f4f1e8;--panel: #fffdf8;--line: #d4ccbd;--text: #1f1f1c;--muted: #6d675c;--snake: #2f6f43;--snake-head: #1f4e2f;--food: #b7422f;--button: #efe7d8;--button-active: #e1d7c3;--shadow: 0 16px 40px rgba(43, 37, 28, .08);--board-a: rgba(236, 228, 213, .92);--board-b: rgba(228, 219, 202, .92);--board-c: rgba(232, 224, 210, .92);--board-d: rgba(224, 214, 196, .92);--board-accent-1: rgba(255, 255, 255, .05);--board-accent-2: rgba(25, 18, 12, .05);--board-accent-3: rgba(183, 66, 47, .16);--board-accent-4: rgba(47, 111, 67, .18);--pause-ink: #2d241d;--pause-muted: #766354;--pause-line: rgba(125, 97, 73, .28);--pause-card: rgba(255, 248, 237, .86);--pause-card-strong: rgba(246, 230, 209, .9);--pause-accent: #7f5038;--pause-accent-soft: rgba(127, 80, 56, .1);--veneno-a: rgba(171, 154, 191, .86);--veneno-b: rgba(198, 189, 145, .84);--veneno-c: rgba(118, 166, 160, .84);--veneno-d: rgba(137, 144, 182, .84)}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Trebuchet MS,Gill Sans,Segoe UI,sans-serif;background:var(--bg);color:var(--text);overscroll-behavior:none}button,input{font:inherit}.app-shell{min-height:100vh;display:grid;place-items:center;padding:24px;padding:max(24px,env(safe-area-inset-top)) max(24px,env(safe-area-inset-right)) max(24px,env(safe-area-inset-bottom)) max(24px,env(safe-area-inset-left))}.game-panel{width:min(100%,720px);background:radial-gradient(circle at top left,rgba(255,242,213,.42),transparent 34%),linear-gradient(180deg,#fffcf6fa,#f6efe4f5);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:24px}.board-wrap{display:flex;justify-content:center}.command-strip{display:grid;gap:8px;width:min(100%,480px);margin:14px auto 0}.command-label{font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.command-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px}.command-input,.command-send{min-height:42px;border:1px solid rgba(212,204,189,.8);border-radius:14px;background:#fffdf8eb;color:var(--text);box-shadow:0 8px 20px #2b251c0d}.command-input{width:100%;padding:10px 14px}.command-send{padding:10px 16px;cursor:pointer;text-transform:uppercase;letter-spacing:.08em}.board-stack{position:relative;width:min(92vw,480px)}.board-stack.is-veneno .board{background:linear-gradient(135deg,#b2a2c699,#ccc6998a 44%,#6da39c94);box-shadow:0 0 0 1px #b5a6d042,0 0 20px #796ca01f;animation:veneno-board-flicker .3s steps(2,end) infinite,veneno-board-pulse 1.1s ease-in-out infinite}.board-stack.is-capicua .board{background:linear-gradient(180deg,#dce7ff57,#e8f2ff24),linear-gradient(90deg,#4c6fd624,#fff0 28% 72%,#4c6fd624);box-shadow:0 0 0 1px #7593e22e,0 0 20px #567ad61f;animation:capicua-board-pulse 1.2s ease-in-out infinite,capicua-board-shimmer 1.8s linear infinite}.board-stack.is-culebrita .board{background:radial-gradient(circle at 24% 20%,rgba(255,222,234,.28),transparent 30%),radial-gradient(circle at 76% 74%,rgba(248,237,168,.2),transparent 34%),linear-gradient(180deg,#fff4f861,#fffae829),linear-gradient(135deg,#ffb7d224,#fff7b01a 48%,#c4f2e924);box-shadow:0 0 0 1px #d691aa2e,0 0 18px #ffbacc1f;animation:culebrita-board-pulse .9s ease-in-out infinite,culebrita-board-glimmer 1.6s linear infinite}.board-stack.is-mystery-flash .board{animation:mystery-board-flash .9s steps(2,end) infinite}.hud-strip{position:absolute;top:16px;left:16px;z-index:2;display:flex;gap:10px}.shell-link-row{position:absolute;top:16px;right:16px;z-index:2}.shell-link,.sheet-link{display:inline-flex;align-items:center;justify-content:center;min-height:34px;padding:8px 12px;border:1px solid rgba(212,204,189,.5);border-radius:999px;background:#fffdf82e;color:#3a2d23;text-decoration:none;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);box-shadow:0 8px 20px #2b251c0d}.pause-shell-button{min-width:40px;padding:8px 10px;cursor:pointer;font-size:.95rem;line-height:1}.sheet-meta-actions{display:flex;justify-content:center;width:100%}.sheet-link{background:#fff8edb8;border-color:#7d614938}.hud-chip{min-width:72px;padding:8px 10px;border:1px solid rgba(212,204,189,.6);border-radius:12px;background:#fffdf82e;text-align:center;box-shadow:0 8px 20px #2b251c0d;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);position:relative}.hud-chip.is-scored{border-color:#d868437a;background:#fff4e44d;box-shadow:0 10px 22px #d868431f,0 0 0 1px #d8684314;animation:score-chip-bump .34s ease}.hud-button{min-width:54px;cursor:pointer}.score-value-chip{display:block;font-size:1.32rem;font-weight:800;line-height:1;color:#2d241d}@keyframes score-chip-bump{0%{transform:translateZ(0) scale(1)}20%{transform:translate3d(-1px,0,0) scale(1.06)}40%{transform:translate3d(2px,-1px,0) scale(1.08)}65%{transform:translate3d(-1px,1px,0) scale(1.03)}to{transform:translateZ(0) scale(1)}}.board-burst{position:absolute;top:0;left:0;color:#d85a3a;font-size:1.28rem;font-weight:800;letter-spacing:.05em;opacity:0;transform:translate(-50%,10px) scale(.9);transition:opacity .18s ease,transform .42s ease;pointer-events:none;text-shadow:0 0 14px rgba(255,244,222,.95),0 2px 0 rgba(255,255,255,.45);z-index:2}.board-burst.is-visible{opacity:1;transform:translate(-50%,-26px) scale(1.16)}.pause-modal{position:absolute;top:50%;left:50%;z-index:4;display:grid;gap:12px;min-width:min(78vw,280px);padding:18px 16px;border:1px solid rgba(164,130,96,.68);border-radius:18px;background:linear-gradient(180deg,#fffaf1fa,#f1e7d5f2),#fffdf8f5;box-shadow:0 20px 40px #49301e33,inset 0 1px #ffffffb8;text-align:center;transform:translate(-50%,-50%)}.pause-modal[hidden]{display:none}.pause-modal-title{margin:0;color:var(--pause-ink);font-size:1.2rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.pause-modal-actions{display:flex;justify-content:center;gap:10px}.pause-modal-actions button{min-width:108px;min-height:40px;border:1px solid var(--pause-line);border-radius:12px;background:#fff8eddb;color:var(--pause-ink);cursor:pointer;padding:8px 12px;text-transform:uppercase;letter-spacing:.06em;box-shadow:0 10px 24px #442f1f0d}.pause-modal-actions button:active{background:var(--button-active)}.board{width:100%;aspect-ratio:var(--board-columns, 16) / var(--board-rows, 24);display:grid;grid-template-columns:repeat(var(--board-columns, 16),1fr);grid-template-rows:repeat(var(--board-rows, 24),1fr);gap:3px;padding:10px;border-radius:18px;background:#ddd2bd;touch-action:none;overscroll-behavior:contain}.title-overlay{position:absolute;inset:0;display:grid;place-items:center;align-content:center;gap:18px;pointer-events:none;z-index:2;transition:opacity .18s ease}.title-actions{display:grid;gap:12px;justify-items:center}.title-overlay.is-hidden{opacity:0}.veneno-splash{position:absolute;inset:0;display:grid;place-items:center;font-size:clamp(2.8rem,14vw,6rem);font-weight:900;letter-spacing:.12em;text-transform:uppercase;color:#a247ff;text-shadow:0 0 12px rgba(214,173,255,.75),0 0 28px rgba(162,71,255,.55),0 4px 18px rgba(39,14,76,.45);opacity:0;transform:scale(.82);pointer-events:none;z-index:3}.veneno-splash.is-visible{animation:veneno-splash-in .96s ease}.capicua-splash{position:absolute;inset:0;display:grid;place-items:center;opacity:0;transform:scale(.82);pointer-events:none;z-index:3}.capicua-splash.is-visible{animation:capicua-splash-in 1.7s ease}.culebrita-splash{position:absolute;inset:0;display:grid;place-items:center;opacity:0;pointer-events:none;z-index:3;color:#a14b74;font-size:clamp(2rem,9vw,3.6rem);font-weight:900;letter-spacing:.14em;text-transform:uppercase;text-shadow:0 0 16px rgba(255,244,248,.9),0 2px 0 rgba(255,255,255,.45)}.culebrita-splash.is-visible{animation:culebrita-splash-in 1.28s ease}.serpiente-splash{position:absolute;inset:0;display:grid;place-items:center;opacity:0;transform:scale(.82);pointer-events:none;z-index:3}.serpiente-splash.is-visible{animation:serpiente-splash-in 1.7s ease}.mode-sigil{display:none}.mode-label{font-size:clamp(2rem,9vw,3.8rem);font-weight:900;letter-spacing:.18em;text-transform:uppercase;opacity:0}.capicua-splash .mode-label{color:#426dff;text-shadow:0 0 12px rgba(180,204,255,.72),0 0 20px rgba(66,109,255,.28)}.serpiente-splash .mode-label{color:#245531;text-shadow:0 0 12px rgba(214,235,190,.62),0 0 18px rgba(36,85,49,.22)}.mystery-splash{position:absolute;inset:0;display:grid;align-content:space-evenly;justify-items:center;padding-block:18px;opacity:0;pointer-events:none;z-index:3}.mystery-splash.is-visible{opacity:1}.mystery-splash span{font-size:clamp(1.15rem,7vw,2.9rem);font-weight:900;letter-spacing:.18em;text-transform:uppercase;color:#fff6deeb;text-shadow:0 0 10px rgba(255,240,171,.78),0 0 24px rgba(150,92,28,.42),0 3px 12px rgba(59,39,15,.38);opacity:0;transform:translateY(-12px) scale(.96)}.mystery-splash.is-visible span{animation:mystery-splash-cascade 1.2s ease-in-out infinite}.mystery-splash.is-visible span:nth-child(2){animation-delay:.14s}.mystery-splash.is-visible span:nth-child(3){animation-delay:.28s}.mystery-splash.is-visible span:nth-child(4){animation-delay:.42s}.mystery-splash.is-visible span:nth-child(5){animation-delay:.56s}.scores-sheet{position:absolute;inset:10px;display:grid;grid-template-rows:auto auto minmax(0,1fr) auto;align-content:stretch;justify-items:center;gap:8px;padding:12px;border-radius:14px;background:radial-gradient(circle at top,rgba(255,222,170,.45),transparent 36%),radial-gradient(circle at bottom right,rgba(142,179,166,.2),transparent 32%),linear-gradient(180deg,#fff6e8fa,#e8dcc6f5),#fffdf8f5;border:1px solid rgba(164,130,96,.75);overflow-y:auto;text-align:center;z-index:3;box-shadow:0 24px 48px #49301e2e,inset 0 1px #fffaf0cc}.scores-sheet[hidden]{display:none}.overlay-title{margin:0;font-size:clamp(2.4rem,9vw,4.2rem);letter-spacing:.08em;color:var(--pause-ink);text-align:center;text-shadow:0 10px 26px rgba(255,246,222,.4),0 2px 0 rgba(255,255,255,.35)}.start-button{pointer-events:auto;appearance:none;border:1px solid rgba(129,102,79,.22);border-radius:999px;background:#fff6e8b8;color:var(--pause-ink);padding:12px 26px;min-width:138px;font:inherit;font-size:.95rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;box-shadow:0 10px 24px #6f533c1f;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);cursor:pointer;transition:transform .12s ease,background .12s ease,box-shadow .12s ease}.install-button{pointer-events:auto;appearance:none;border:1px solid rgba(54,96,67,.2);border-radius:999px;background:#e4f3e6c2;color:#20442b;padding:10px 20px;min-width:138px;font:inherit;font-size:.82rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;box-shadow:0 10px 24px #224e2e1a;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);cursor:pointer;transition:transform .12s ease,background .12s ease,box-shadow .12s ease}.start-button:hover,.start-button:focus-visible,.install-button:hover,.install-button:focus-visible{outline:none;transform:translateY(-1px);background:#fff8eee0;box-shadow:0 14px 30px #6f533c2e}.install-button:hover,.install-button:focus-visible{background:#ecf8eeeb;box-shadow:0 14px 30px #224e2e29}.install-hint{margin:0;max-width:280px;text-align:center;color:#3a2d23e0;font-size:.82rem;line-height:1.4;letter-spacing:.02em;text-shadow:0 1px 0 rgba(255,255,255,.28)}.scores-sheet-title{font-size:clamp(1.45rem,5vw,2.25rem)}.snake-letter{display:inline-block;color:var(--snake-head);text-shadow:10px 0 0 var(--snake),20px 0 0 rgba(47,111,67,.75);animation:snake-sway 1.5s ease-in-out infinite}@keyframes snake-sway{0%,to{transform:translate(0) rotate(-6deg)}50%{transform:translate(2px) rotate(6deg)}}@keyframes veneno-splash-in{0%{opacity:0;transform:scale(.78)}15%{opacity:1;transform:scale(1.04)}70%{opacity:.96;transform:scale(1)}to{opacity:0;transform:scale(1.06)}}@keyframes capicua-splash-in{0%{opacity:0;transform:scale(.8)}14%{opacity:1;transform:scale(1.02)}18%,46%{opacity:1;transform:scale(1)}26%,40%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(1.04)}}@keyframes serpiente-splash-in{0%{opacity:0;transform:scale(.82)}16%{opacity:1;transform:scale(1.01)}48%,78%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(1.04)}}.capicua-splash.is-visible .mode-label,.serpiente-splash.is-visible .mode-label{animation:mode-label-flash 1.7s ease}@keyframes mode-label-flash{0%,12%{opacity:0;transform:scale(.94)}24%,82%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(1.04)}}@keyframes veneno-board-flicker{0%{filter:saturate(1.05) brightness(.98) hue-rotate(0deg)}50%{filter:saturate(1.22) brightness(1.05) hue-rotate(6deg)}to{filter:saturate(1.08) brightness(.99) hue-rotate(-4deg)}}@keyframes veneno-board-pulse{0%,to{box-shadow:0 0 0 1px #b5a6d03d,0 0 18px #796ca01a}50%{box-shadow:0 0 0 1px #c4b6e04d,0 0 26px #9584ba2e}}@keyframes capicua-board-pulse{0%,to{box-shadow:0 0 0 1px #7593e229,0 0 16px #567ad61a}50%{box-shadow:0 0 0 1px #8aa6ec3d,0 0 24px #567ad629}}@keyframes capicua-board-shimmer{0%{filter:saturate(1) brightness(1)}50%{filter:saturate(1.08) brightness(1.03)}to{filter:saturate(1) brightness(1)}}@keyframes culebrita-board-pulse{0%,to{filter:saturate(.96) brightness(1)}50%{filter:saturate(1.12) brightness(1.04)}}@keyframes culebrita-board-glimmer{0%,to{box-shadow:0 0 0 1px #d691aa2e,0 0 18px #ffbacc1f}50%{box-shadow:0 0 0 1px #d691aa47,0 0 22px #ffcd9b2e}}@keyframes culebrita-splash-in{0%{opacity:0;transform:scale(.9);letter-spacing:.28em}18%{opacity:1;transform:scale(1.02)}72%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(1.04);letter-spacing:.18em}}@keyframes mystery-board-flash{0%,to{filter:saturate(1) brightness(1);box-shadow:0 0 0 1px #ba9a5c24,0 0 14px #8965260f}30%{filter:saturate(1.2) brightness(1.08) hue-rotate(10deg);box-shadow:0 0 0 1px #dfbb6d52,0 0 24px #b9812f2e}60%{filter:saturate(1.08) brightness(1.02) hue-rotate(-8deg);box-shadow:0 0 0 1px #a9c9d647,0 0 20px #5d849224}}@keyframes mystery-splash-cascade{0%{opacity:0;transform:translateY(-14px) scale(.94)}20%{opacity:1;transform:translateY(0) scale(1)}60%{opacity:1;transform:translateY(5px) scale(1)}to{opacity:0;transform:translateY(14px) scale(.98)}}.actions,.name-row{display:flex;gap:12px;justify-self:center}.name-row{position:relative;width:min(100%,360px)}.sheet-actions{display:flex;flex-wrap:nowrap;justify-content:center;gap:8px;width:min(100%,420px);justify-self:center}.sheet-actions button{flex:0 0 196px;min-width:196px;height:42px;align-self:center;font-size:.82rem;white-space:nowrap}.sheet-status{margin:0;color:var(--pause-muted);line-height:1.35;font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;max-width:28ch}.sheet-status:empty{display:none}.actions button,#save-score-button{border:1px solid var(--pause-line);background:#fff8edd1;color:var(--pause-ink);border-radius:12px;cursor:pointer;padding:8px 10px;text-transform:uppercase;letter-spacing:.06em;box-shadow:0 10px 24px #442f1f0d}.actions button:active,#save-score-button:active{background:var(--button-active)}.scores-block{display:grid;align-self:stretch;align-content:start;gap:4px;justify-items:center;width:100%;min-height:0;padding:8px 12px 10px;border-radius:18px;background:linear-gradient(180deg,#fffbf5b8,#f3e8d6a3);border:1px solid rgba(168,136,104,.2)}.scores-list{width:min(100%,360px);margin:0;padding-left:0;list-style:none;color:var(--pause-ink);text-align:left;display:grid;gap:5px}.scores-list li{margin-bottom:0}.score-row{display:grid;grid-template-columns:46px 1fr auto;align-items:center;gap:10px;padding:8px 12px;border:1px solid rgba(170,137,105,.36);border-radius:16px;background:linear-gradient(180deg,#fffcf7f2,#f4e9d6e0),var(--pause-card);box-shadow:0 10px 24px #442f1f14,inset 0 1px #fff9}.score-place,.score-name,.score-value{text-transform:uppercase;letter-spacing:.06em}.score-place{display:inline-grid;place-items:center;min-height:30px;padding:0 10px;border-radius:999px;color:var(--pause-accent);font-size:.78rem;font-weight:700;background:var(--pause-accent-soft);border:1px solid rgba(127,80,56,.18)}.score-name{color:var(--pause-ink);font-weight:700;justify-self:start}.score-value{color:#6d3421;font-weight:800;justify-self:end}.scores-pending{opacity:1}.score-row-entry{border-color:#8a583885;background:linear-gradient(180deg,#fff8ecfa,#f4e2c5eb),var(--pause-card-strong)}.score-row-latest{border-color:#82582b80;background:linear-gradient(180deg,#fff3dcfa,#eeddb8f0),var(--pause-card-strong)}.score-row-latest .score-place,.score-row-latest .score-value{color:#99592d;background:#99592d1f;border-color:#99592d33}.score-row-latest .score-name{color:#7d4320}.scores-empty{color:var(--pause-muted);text-transform:uppercase;letter-spacing:.08em;text-align:center}.name-entry{width:100%}.name-input{width:100%;min-width:0;padding:10px 48px 10px 12px;border:1px solid var(--pause-line);border-radius:12px;background:#fffdf9eb;color:var(--pause-ink);text-transform:uppercase;letter-spacing:.04em}.name-confirm{position:absolute;top:50%;right:6px;transform:translateY(-50%);width:34px;height:34px;padding:0;display:grid;place-items:center;border-radius:10px;font-size:1rem;line-height:1}.cell{border-radius:4px;background:var(--board-a);box-shadow:inset 0 0 0 999px #fff0}.cell.zone-a{background:var(--board-a)}.cell.zone-b{background:var(--board-b)}.cell.zone-c{background:var(--board-c)}.cell.zone-d{background:var(--board-d)}.cell.tone-1{box-shadow:inset 0 0 0 999px var(--board-accent-1)}.cell.tone-2{box-shadow:inset 0 0 0 999px var(--board-accent-2)}.cell.tone-pop{box-shadow:inset 0 0 0 999px var(--board-accent-3)}.cell.tone-pop-strong{box-shadow:inset 0 0 0 999px var(--board-accent-4)}.cell.tone-burst{box-shadow:inset 0 0 0 999px #6d311838}.cell.tone-burst-soft{box-shadow:inset 0 0 0 999px #f2c05d2e}.cell.tone-wave{box-shadow:inset 0 0 0 999px 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