:root{--bg:#101014;--panel:#191920;--panel-2:#212129;--line:#2e2e39;--text:#e8e8ef;--text-dim:#a0a0b0;--accent:#f0b040;--accent-ink:#1a1206;--danger:#e06060;--radius:10px}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);margin:0;padding:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;font-size:16px;line-height:1.5}body{min-height:100vh}.shell{flex-direction:column;min-height:100vh;display:flex}.shell-header{border-bottom:1px solid var(--line);background:var(--panel);align-items:center;gap:24px;padding:14px max(24px,50% - 356px);display:flex}.shell-brand{letter-spacing:-.01em;color:var(--text);align-items:center;gap:8px;font-size:17px;font-weight:600;text-decoration:none;display:flex}.shell-brand-mark{color:var(--accent);font-size:19px}.shell-nav{gap:6px;display:flex}.shell-link{color:var(--text-dim);border-radius:8px;padding:6px 12px;font-size:14px;text-decoration:none}.shell-link:hover,.shell-link.active{color:var(--text);background:var(--panel-2)}.shell-main{flex:1;width:100%;max-width:760px;margin:0 auto;padding:32px 24px 48px}.shell-footer{border-top:1px solid var(--line);color:var(--text-dim);text-align:center;padding:16px max(24px,50% - 356px);font-size:13px}.config-title{letter-spacing:-.02em;margin:0 0 24px;font-size:26px;font-weight:600}.config-group{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);margin:0 0 16px;padding:18px}.config-legend{text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim);padding:0 6px;font-size:12px}.config-cards{grid-template-columns:1fr 1fr;gap:10px;display:grid}.config-cards--compact{grid-template-columns:repeat(3,1fr)}.config-card{text-align:left;background:var(--panel-2);border:1px solid var(--line);color:var(--text);font:inherit;cursor:pointer;border-radius:8px;flex-direction:column;gap:3px;padding:12px 14px;display:flex}.config-card:hover{border-color:#3d3d4a}.config-card.is-selected{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}.config-card-label{font-size:15px;font-weight:600}.config-card-blurb{color:var(--text-dim);font-size:13px;line-height:1.4}.config-card-note{text-transform:uppercase;letter-spacing:.06em;color:var(--accent);margin-top:4px;font-size:11px}.config-hint{color:var(--text-dim);margin:12px 0 0;font-size:13px}.config-chips{flex-wrap:wrap;gap:8px;display:flex}.config-chip{background:var(--panel-2);border:1px solid var(--line);color:var(--text);font:inherit;cursor:pointer;border-radius:8px;flex-direction:column;gap:1px;padding:9px 14px;font-size:14px;font-weight:600;display:flex}.config-chip:hover{border-color:#3d3d4a}.config-chip.is-selected{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}.config-chip-detail{color:var(--text-dim);font-size:12px;font-weight:400}.config-custom{grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px;display:grid}.config-field{color:var(--text-dim);flex-direction:column;gap:5px;font-size:13px;display:flex}.config-field input{background:var(--bg);border:1px solid var(--line);color:var(--text);font:inherit;border-radius:7px;padding:8px 10px;font-size:15px}.config-field input:focus{outline:2px solid var(--accent);outline-offset:1px}.config-toggle{cursor:pointer;align-items:flex-start;gap:10px;padding:8px 0;display:flex}.config-toggle+.config-toggle{border-top:1px solid var(--line)}.config-toggle input{accent-color:var(--accent);flex:none;width:16px;height:16px;margin-top:4px}.config-toggle strong{font-size:14px;font-weight:600;display:block}.config-toggle-detail{color:var(--text-dim);font-size:13px;display:block}.config-preview{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);min-height:44px;margin-bottom:16px;padding:12px 14px}.config-preview-text{color:var(--text-dim);margin:0;font-size:14px}.config-preview-text strong{color:var(--text);font-weight:500}.config-preview-error{color:var(--danger);margin:0;font-size:14px}.config-actions{justify-content:flex-end;display:flex}.config-play{background:var(--accent);color:var(--accent-ink);font:inherit;cursor:pointer;border:none;border-radius:8px;padding:11px 34px;font-size:16px;font-weight:700}.config-play:hover:not(:disabled){filter:brightness(1.08)}.config-play:disabled{opacity:.4;cursor:not-allowed}.placeholder{padding:24px 0}.placeholder h1{margin:0 0 12px;font-size:24px;font-weight:600}.placeholder p{color:var(--text-dim);margin:0 0 12px}.placeholder-config{font-weight:500;color:var(--text)!important}.placeholder-note{font-size:14px}.placeholder-note code{background:var(--panel-2);border-radius:4px;padding:2px 6px;font-size:13px}.placeholder-query{background:var(--panel);border:1px solid var(--line);color:var(--text-dim);border-radius:8px;padding:10px 12px;font-size:12px;overflow-x:auto}.placeholder-link{color:var(--accent);margin-top:8px;font-size:14px;display:inline-block}@media (width<=560px){.config-cards,.config-cards--compact,.config-custom{grid-template-columns:1fr}}.game-page{padding:8px 0 24px}.game-head{margin-bottom:14px}.game-title{letter-spacing:-.02em;margin:0;font-size:22px;font-weight:600}.game-sub{color:var(--text-dim);margin:2px 0 0;font-size:13px}.game{flex-direction:column;align-items:center;gap:12px;display:flex}.game-canvas{max-width:100%;height:auto;image-rendering:pixelated;cursor:pointer;touch-action:manipulation;border-radius:8px;display:block;box-shadow:0 2px 18px #00000073}.game-hint{text-align:center;max-width:46ch;color:var(--text-dim);margin:0;font-size:12.5px;line-height:1.45}.game-actions{justify-content:center;align-items:center;gap:16px;margin-top:18px;display:flex}.game-btn{background:var(--panel-2);border:1px solid var(--line);color:var(--text);font:inherit;cursor:pointer;border-radius:8px;padding:8px 18px;font-size:14px}.game-btn:hover{border-color:var(--accent)}