.kc-shell{--kc-accent: #0f766e;--kc-surface: #eef7f3;--kc-text: #0f172a;--kc-muted: #64748b;--kc-panel: rgba(255, 255, 255, .78);box-sizing:border-box;width:min(440px,100%);min-height:100dvh;margin:0 auto;display:grid;grid-template-rows:auto minmax(260px,1fr) auto auto auto;gap:12px;padding:max(12px,env(safe-area-inset-top)) max(12px,env(safe-area-inset-right)) max(14px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left));color:var(--kc-text);background:radial-gradient(120% 80% at 50% -10%,rgba(15,118,110,.16),transparent 55%),linear-gradient(180deg,#f8fcfa 0%,var(--kc-surface) 48%,#e7f3ee 100%);font-family:Trebuchet MS,Segoe UI,sans-serif;overscroll-behavior:contain}.kc-shell *,.kc-shell *:before,.kc-shell *:after{box-sizing:border-box}.kc-topbar{min-height:48px;display:grid;grid-template-columns:minmax(66px,1fr) auto minmax(66px,1fr);align-items:center;gap:8px}.kc-title{text-align:center;display:grid;gap:2px}.kc-title strong{font-size:15px;letter-spacing:.01em}.kc-title span,.kc-intro-panel span{color:var(--kc-muted);font-size:12px;font-weight:700}.kc-game-area{position:relative;min-height:0;border:1px solid rgba(15,118,110,.18);background:linear-gradient(180deg,#ffffffb8,#ffffff6b),#ffffff80;border-radius:18px;overflow:hidden;touch-action:none;box-shadow:inset 0 1px #fffc,0 10px 28px #0f172a0f}.kc-board-host{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;touch-action:none;overflow:hidden}.kc-canvas-mount{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;pointer-events:none}.kc-canvas-mount canvas{display:block;pointer-events:none;touch-action:none}.kc-hit-layer{position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;pointer-events:none}.kc-hit-tile{position:absolute;margin:0;padding:0;border:0;border-radius:12px;background:transparent;pointer-events:auto;touch-action:manipulation;-webkit-tap-highlight-color:transparent;cursor:pointer}.kc-hit-tile[data-exposed=false]{cursor:not-allowed}.kc-hit-tile:disabled{cursor:default}.kc-tray{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:6px;min-height:72px;padding:8px;border-radius:14px;background:var(--kc-panel);border:1px solid rgba(15,23,42,.08)}.kc-tray-slot{position:relative;aspect-ratio:5 / 7;height:auto;min-height:58px;max-height:78px;margin-inline:auto;width:100%;max-width:56px;border-radius:6px;border:1px dashed rgba(15,23,42,.14);background:#f7f1e4bf;display:grid;place-items:center;font-weight:800;color:#0f172a;overflow:hidden;transition:transform .12s ease,box-shadow .12s ease}.kc-tray-slot[data-filled=true]{border-style:solid;box-shadow:0 6px 14px #0f172a24}.kc-tray-slot span{font-size:clamp(14px,3.6vw,18px);line-height:1}.kc-tray-empty{color:#64748b8c;font-size:11px!important;font-weight:700}.kc-tray-meta{position:absolute;right:5px;bottom:4px;font-style:normal;font-size:9px;opacity:.82}.kc-boosters{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.kc-boosters button,.kc-ghost,.kc-primary,.kc-icon-button{min-height:44px;border:0;border-radius:12px;font:inherit;font-weight:800;cursor:pointer}.kc-boosters button{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:4px;padding:8px;color:var(--kc-text);background:#fff;border:1px solid rgba(15,23,42,.1);font-size:clamp(11px,2.5vw,13px);box-shadow:0 4px 12px #0f172a0a}.kc-boosters button span{min-width:20px;min-height:20px;border-radius:999px;display:grid;place-items:center;color:#fff;background:var(--kc-accent);font-size:12px}.kc-boosters button:disabled,.kc-ghost:disabled,.kc-primary:disabled{cursor:not-allowed;opacity:.5}.kc-ghost{padding:0 12px;color:var(--kc-accent);background:#ffffffc7;border:1px solid rgba(15,118,110,.18)}.kc-icon-button{justify-self:end;width:44px;background:#fffc;color:var(--kc-text)}.kc-primary{width:min(280px,100%);padding:0 18px;color:#fff;background:linear-gradient(180deg,#149388,var(--kc-accent));box-shadow:0 10px 24px #0f766e47}.kc-footer-status,.kc-status{min-height:20px;margin:0;color:var(--kc-muted);text-align:center;font-size:13px;font-weight:700}.kc-intro{grid-template-rows:auto minmax(0,1fr)}.kc-intro-panel{display:grid;align-content:center;justify-items:center;gap:22px;text-align:center}.kc-intro-panel h1{margin:6px 0 0;font-size:clamp(34px,11vw,56px);line-height:.96;letter-spacing:-.03em}@media(min-width:760px){.kc-shell{min-height:min(100dvh,820px);border-left:1px solid rgba(15,23,42,.08);border-right:1px solid rgba(15,23,42,.08)}}@media(max-height:720px){.kc-shell{gap:8px;grid-template-rows:auto minmax(220px,1fr) auto auto auto}.kc-tray{min-height:64px;padding:6px}.kc-tray-slot{min-height:50px;max-height:68px;max-width:48px}.kc-boosters button,.kc-ghost{min-height:40px}}@media(prefers-reduced-motion:reduce){.kc-shell *,.kc-shell *:before,.kc-shell *:after{animation-duration:.001ms!important;transition-duration:.001ms!important}}