:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#071119;--panel:#0a141cb8;--panel-line:#b2e2ff1f;--text:#eef7ff;--muted:#dcf0ffad;--accent:#8ce7ff;--accent-strong:#34b5da;--danger:#ff7e79}*{box-sizing:border-box}html,body,#app{min-height:100%}html,body{margin:0}body{color:var(--text);background:radial-gradient(circle at 18% 18%,#3599c738,#0000 30%),radial-gradient(circle at 80% 16%,#64e0ff2e,#0000 26%),radial-gradient(circle at 50% 78%,#ff89742e,#0000 32%),linear-gradient(160deg,#03080d 0%,#09121a 52%,#060a0f 100%);font-family:Segoe UI,PingFang SC,sans-serif;overflow:hidden}body:before{content:"";pointer-events:none;background-color:#0000;background-image:linear-gradient(#ffffff08 1px,#0000 1px),linear-gradient(90deg,#ffffff08 1px,#0000 1px);background-position:0 0,0 0;background-repeat:repeat,repeat;background-size:44px 44px;background-attachment:scroll,scroll;background-origin:padding-box,padding-box;background-clip:border-box,border-box;position:fixed;inset:0;-webkit-mask-image:radial-gradient(circle,#000 24%,#0000 84%);mask-image:radial-gradient(circle,#000 24%,#0000 84%)}#app{padding:clamp(18px,3vw,34px);padding-bottom:max(clamp(18px, 3vw, 34px), env(safe-area-inset-bottom));grid-template-columns:minmax(280px,360px) 1fr;gap:clamp(16px,3vw,36px);display:grid}.hud{border:1px solid var(--panel-line);background:linear-gradient(180deg, #ffffff0f, transparent 20%), var(--panel);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-radius:28px;align-self:start;padding:24px;box-shadow:0 24px 60px #00000047}.eyebrow{letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin:0 0 10px;font-size:.75rem;font-weight:700}.hud h1{letter-spacing:-.05em;margin:0;font-size:clamp(2rem,4vw,3.4rem);line-height:.94}.summary{color:var(--muted);margin:16px 0 0;line-height:1.7}.stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:24px;display:grid}.stat-card{background:#ffffff0d;border:1px solid #ffffff0f;border-radius:22px;padding:14px 16px 16px}.stat-card span{letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-size:.74rem;display:block}.stat-card strong{margin-top:6px;font-size:clamp(1.8rem,3vw,2.4rem);display:block}.actions{flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px;display:flex}.board-size-picker{background:#ffffff0f;border:1px solid #ffffff14;border-radius:999px;align-items:center;gap:10px;padding:8px 12px;display:inline-flex}.board-size-picker span{letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-size:.78rem}.board-size-picker select{color:var(--text);font:inherit;cursor:pointer;background:0 0;border:none;outline:none;font-weight:700}.board-size-picker option{color:#041018}button{font:inherit;color:#041018;cursor:pointer;background:linear-gradient(135deg,#aef0ff,#5fd4f4);border:none;border-radius:999px;padding:12px 18px;font-weight:700;transition:transform .14s,box-shadow .14s,filter .14s;box-shadow:0 14px 28px #5fd4f43d}button:hover{transform:translateY(-1px);box-shadow:0 18px 30px #5fd4f447}button:active{transform:translateY(1px)}button:disabled{cursor:default;color:#04101894;box-shadow:none;background:linear-gradient(135deg,#aef0ff6b,#5fd4f452);transform:none}button:disabled:hover{box-shadow:none;transform:none}.actions p{color:var(--muted);margin:0}.debug-tools{border-top:1px solid #ffffff14;margin-top:18px;padding-top:18px}.debug-tools__header{justify-content:space-between;align-items:center;gap:12px;display:flex}.debug-tools__header strong{letter-spacing:.06em;font-size:.95rem}.debug-toggle{color:var(--text);background:#ffffff14;padding:9px 14px;box-shadow:inset 0 0 0 1px #ffffff14}.debug-toggle.is-active{color:#041018;background:linear-gradient(135deg,#ffd79b,#ff9c74);box-shadow:0 14px 28px #ff9c7433}.debug-panel{gap:12px;margin-top:14px;display:grid}.debug-panel.hidden{display:none}.debug-panel p{color:var(--muted);margin:0;line-height:1.6}.debug-panel__actions{flex-wrap:wrap;gap:10px;display:flex}.debug-panel__actions button{color:var(--text);background:#ffffff14;padding:10px 14px;box-shadow:inset 0 0 0 1px #ffffff14}.debug-panel__actions button.is-selected{color:#041018;background:linear-gradient(135deg,#ffe3a8,#ffb089);box-shadow:0 14px 28px #ffb08938}.viewport-shell{background:radial-gradient(circle at top,#8ce7ff1a,#0000 34%),linear-gradient(#0c141ceb,#04080cf5);border:1px solid #ffffff14;border-radius:34px;min-height:calc(100vh - clamp(36px,6vw,68px));position:relative;overflow:hidden;box-shadow:0 28px 70px #00000057}.viewport{touch-action:none;overscroll-behavior:none;-webkit-user-select:none;user-select:none;position:absolute;inset:0}.viewport canvas{touch-action:none;width:100%;height:100%;display:block}.overlay{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#04080c85;place-items:center;transition:opacity .16s;display:grid;position:absolute;inset:0}.overlay.hidden{opacity:0;pointer-events:none}.overlay-card{background:linear-gradient(#ffffff17,#0000 18%),#081018eb;border:1px solid #ffffff14;border-radius:28px;width:min(88%,380px);padding:24px;box-shadow:0 24px 60px #00000052}.overlay-tag{letter-spacing:.15em;text-transform:uppercase;color:var(--accent);margin:0 0 10px;font-size:.78rem;font-weight:700}.overlay-card h2{letter-spacing:-.04em;margin:0;font-size:clamp(1.8rem,4vw,2.4rem)}.overlay-card p:last-of-type{color:var(--muted);margin:12px 0 0;line-height:1.65}.overlay-actions{flex-wrap:wrap;gap:12px;margin-top:20px;display:flex}.overlay-actions button:first-child{color:var(--text);background:#ffffff14;box-shadow:inset 0 0 0 1px #ffffff14}@media (width<=980px){body{overflow:auto}#app{grid-template-columns:1fr}.hud{order:2}.viewport-shell{order:1;min-height:58svh}}@media (width<=640px){#app{gap:14px;padding:14px}.hud{border-radius:22px;padding:18px}.stats{grid-template-columns:1fr 1fr}.actions{gap:10px}.actions p{width:100%;font-size:.94rem}.board-size-picker{min-height:42px}button,.board-size-picker{justify-content:center;width:100%}.viewport-shell{border-radius:24px;min-height:52svh}.overlay-card{border-radius:24px;width:min(92%,360px);padding:20px}}