:root{--sat: env(safe-area-inset-top, 0px);--sab: env(safe-area-inset-bottom, 0px);--bg: #262832;--surface: #2e303c;--surface-2: #363844;--fg: #f2f1ee;--muted: #9a9ca6;--accent: #d4d7de;--accent-fg: #07080b;--border: rgb(242 241 238 / 12%);--font: "Segoe UI", system-ui, -apple-system, sans-serif;--display: Georgia, "Times New Roman", serif}*,*:before,*:after{box-sizing:border-box}html,body,#root{margin:0;min-height:100dvh;background:var(--bg);color:var(--fg);font-family:var(--font);-webkit-font-smoothing:antialiased;overscroll-behavior:none;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none}button{font:inherit;color:inherit;cursor:pointer;border:none;background:none}button:disabled{opacity:.4;cursor:default}html.tessera-drag,html.tessera-drag body{touch-action:none;overflow:hidden}html.tessera-drag header,html.tessera-drag footer{pointer-events:none}html.tessera-drag .tray-dock{pointer-events:none}.app{position:relative;height:100dvh;min-height:100dvh;overflow:hidden;-webkit-user-select:none;user-select:none;background:var(--bg);color:var(--fg)}.app canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;touch-action:none}.hud{pointer-events:none;position:absolute;inset-inline:0;top:0;z-index:20;display:flex;align-items:center;gap:.5rem;padding:max(.75rem,var(--sat)) 1rem .5rem}.hud .title{pointer-events:auto;font-family:var(--display);font-size:1.125rem;font-weight:500;letter-spacing:-.02em}.hud .score-wrap{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center}.hud .label{font-size:.65rem;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}.hud .score{font-family:var(--display);font-size:1.5rem;font-weight:500;font-variant-numeric:tabular-nums;line-height:1;letter-spacing:-.02em}.hud .best-line{margin-top:.15rem;font-size:.68rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-variant-numeric:tabular-nums}.ver-chip{pointer-events:none;position:absolute;top:max(.35rem,var(--sat));right:.7rem;z-index:24;font-size:.62rem;letter-spacing:.08em;color:var(--muted)}.hud .actions{pointer-events:auto;display:flex;align-items:center;gap:.25rem}.icon-btn{width:2.75rem;height:2.75rem;border-radius:.5rem;display:inline-flex;align-items:center;justify-content:center;color:var(--fg)}.icon-btn:hover{background:var(--surface-2)}.icon-btn:active{transform:scale(.98)}.hint{pointer-events:none;position:absolute;inset-inline:0;top:max(3.55rem,calc(var(--sat) + 2.55rem));z-index:20;padding:0 1.25rem;text-align:center;font-size:.875rem;color:var(--muted);text-wrap:pretty}.hud-dim{opacity:.45;transition:opacity .4s ease}.end-veil{pointer-events:none;position:absolute;top:0;right:0;bottom:0;left:0;z-index:25;display:flex;align-items:center;justify-content:center;background:#0c0d10}.end-veil-label{margin:0;font-family:var(--display);font-size:1.25rem;font-weight:500;letter-spacing:-.02em;color:var(--fg)}.foot{pointer-events:none;position:absolute;inset-inline:0;bottom:var(--tessera-dock, calc(5.75rem + var(--sab)));z-index:20;display:flex;justify-content:space-between;align-items:center;padding:.25rem 1.25rem 0;font-size:.75rem;color:var(--muted)}.tray-dock{pointer-events:auto;position:absolute;inset-inline:0;bottom:0;z-index:22;display:grid;grid-template-columns:1fr 1fr 1fr;gap:.35rem;padding:.4rem .5rem max(1rem,calc(var(--sab) + .55rem));background:linear-gradient(to top,var(--bg) 72%,transparent);overflow:hidden;isolation:isolate}.tray-well{--well-rows: 4;min-height:calc(var(--tessera-cell, 28px) * 2 + .5rem);height:calc(var(--tessera-cell, 28px) * var(--well-rows) + .5rem);max-height:none;border-radius:14px;background:#ffffff14;border:1.25px solid rgba(242,241,238,.18);display:grid;place-items:center;padding:.25rem;touch-action:none;-webkit-user-select:none;user-select:none;overflow:hidden;isolation:isolate;contain:paint;clip-path:inset(0 round 14px)}.tray-well:disabled{opacity:.55}.mini-piece{--cols: 1;--rows: 1;--cell: min( var(--tessera-cell, 28px), calc(var(--well-inner-w, 99rem) / var(--cols)), calc(var(--well-inner-h, 99rem) / var(--rows)) );width:calc(var(--cell) * var(--cols));height:calc(var(--cell) * var(--rows));max-width:100%;max-height:100%;display:grid;grid-template-columns:repeat(var(--cols),var(--cell));grid-template-rows:repeat(var(--rows),var(--cell));gap:0;pointer-events:none;overflow:hidden}.mini-piece span{border-radius:4px;width:var(--tile, calc(var(--cell) - var(--tessera-gap, 2px)));height:var(--tile, calc(var(--cell) - var(--tessera-gap, 2px)));margin:auto;min-width:0;min-height:0;aspect-ratio:1 / 1}.mini-piece.is-gray span{filter:grayscale(1) brightness(.7)}@media(min-width:640px){.hint,.foot{display:none}}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:30;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow-y:auto;background:var(--bg);padding:max(1rem,var(--sat)) 1.5rem max(1rem,var(--sab))}.panel{width:100%;max-width:24rem;display:flex;flex-direction:column;align-items:center;text-align:center}.logo{width:72px;height:72px;border-radius:16px;background:var(--surface)}.panel h1{margin:1.25rem 0 0;font-family:var(--display);font-size:3rem;font-weight:500;letter-spacing:-.03em;text-wrap:balance}.panel h2{margin:0;font-family:var(--display);font-size:1.875rem;font-weight:500;letter-spacing:-.02em}.panel .tag{margin:.5rem 0 0;font-size:1rem;color:var(--muted);text-wrap:pretty}.panel .meta{margin:.75rem 0 0;font-size:.875rem;color:var(--muted);font-variant-numeric:tabular-nums}.howto{width:100%;margin:1.5rem 0 0;padding:0;list-style:none;text-align:left;font-size:.875rem;line-height:1.35}.howto li{display:flex;gap:.75rem;margin-top:.625rem}.howto li:first-child{margin-top:0}.howto .n{width:1rem;flex-shrink:0;font-weight:500;font-variant-numeric:tabular-nums}.howto .t{color:var(--muted);text-wrap:pretty}.actions-col{width:100%;margin-top:2rem;display:flex;flex-direction:column;gap:.75rem}.btn{width:100%;height:3rem;border-radius:.5rem;font-size:1rem;font-weight:500;display:inline-flex;align-items:center;justify-content:center;transition:opacity .15s ease,transform .15s ease}.btn:active{transform:scale(.98)}.btn-primary{background:var(--accent);color:var(--accent-fg)}.btn-primary:hover{opacity:.9}.btn-outline{border:1px solid var(--border);background:transparent;color:var(--fg)}.btn-outline:hover{background:var(--surface-2)}.over-label{margin:0;font-size:.75rem;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}.over-score{margin:.75rem 0 0;font-family:var(--display);font-size:3rem;font-weight:500;font-variant-numeric:tabular-nums;letter-spacing:-.03em}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}