:root{--bg: #1a1025;--bg-card: #0f0820;--bg-section: #150d1f;--bg-raised: #1e1335;--text: #ffd8a8;--text-muted: #c9a87c;--text-dim: #6b4f36;--accent: #f4a261;--accent-dark: #c47a3a;--purple: #8b5cf6;--purple-light:#a78bfa;--green: #4ade80;--green-dim: #166534;--red: #f87171;--border: rgba(244, 162, 97, .2);--border-strong: rgba(244, 162, 97, .45);--font-pixel: "Press Start 2P", monospace;--font-vt: "VT323", monospace;--font-mono: monospace}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:var(--font-mono);min-height:100vh;display:flex;flex-direction:column}.app-header{position:sticky;top:0;z-index:100;background:#0f0820f2;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--border);padding:12px 28px;display:flex;align-items:center;gap:20px}.back-link{font-family:var(--font-pixel);font-size:7px;color:var(--text-dim);text-decoration:none;letter-spacing:1px;white-space:nowrap;transition:color .2s}.back-link:hover{color:var(--text-muted)}.header-brand{font-family:var(--font-pixel);font-size:11px;color:var(--text);letter-spacing:2px;flex:1;display:flex;align-items:center;gap:10px}.demo-badge{font-size:7px;background:var(--purple);color:#fff;padding:3px 7px;letter-spacing:2px}.header-wallet{display:flex;align-items:center;gap:16px}.wallet-stats{display:flex;flex-direction:column;align-items:flex-end;gap:2px}.balance-display{font-family:var(--font-pixel);font-size:9px;color:var(--accent)}.reward-display{font-family:var(--font-vt);font-size:16px;color:var(--green);letter-spacing:1px}.btn-connect{font-family:var(--font-pixel);font-size:7px;background:transparent;border:2px solid var(--purple);color:var(--purple-light);padding:8px 14px;cursor:pointer;letter-spacing:1px;transition:background .2s,color .2s;box-shadow:3px 3px #8b5cf64d}.btn-connect:hover{background:var(--purple);color:#fff}.app-main{flex:1;display:grid;grid-template-columns:auto 1fr;gap:0;max-width:1200px;margin:0 auto;width:100%;padding:28px 24px;align-items:start}.room-panel{display:flex;flex-direction:column;gap:16px;width:520px}.panel-title{font-family:var(--font-pixel);font-size:10px;color:var(--text);letter-spacing:2px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}.cat-tag{font-family:var(--font-vt);font-size:16px;color:var(--text-muted);font-style:normal;letter-spacing:1px}.cat-tag em{color:var(--purple-light);font-style:normal}.canvas-wrap{border-radius:12px;overflow:hidden;border:2px solid var(--border);box-shadow:0 0 50px #f4a2611f,4px 4px #f4a26133;line-height:0}.canvas-wrap canvas{image-rendering:pixelated;image-rendering:crisp-edges;display:block;width:100%;height:auto}.room-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.stat-block{background:var(--bg-card);border:1px solid var(--border);padding:12px 10px;display:flex;flex-direction:column;gap:6px;text-align:center}.stat-block.highlight{border-color:var(--green);box-shadow:0 0 12px #4ade8026}.stat-label{font-family:var(--font-pixel);font-size:5px;color:var(--text-dim);letter-spacing:1px;text-transform:uppercase}.stat-value{font-family:var(--font-pixel);font-size:11px;color:var(--text)}.stat-value.small{font-size:7px}.stat-block.highlight .stat-value{color:var(--green)}.shop-panel{padding-left:32px;display:flex;flex-direction:column;gap:20px}.shop-tagline{font-family:var(--font-vt);font-size:19px;color:var(--text-muted);line-height:1.6;max-width:520px}.shop-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.shop-card{background:var(--bg-card);border:2px solid var(--border);padding:12px;display:flex;flex-direction:column;gap:10px;transition:border-color .2s,box-shadow .2s,transform .15s;cursor:default}.shop-card:hover{border-color:var(--border-strong);transform:translateY(-2px);box-shadow:0 6px 20px #0000004d}.shop-card.placed{border-color:var(--green);box-shadow:0 0 14px #4ade8033}.item-thumb-wrap{background:#ffffff08;border:1px solid rgba(255,255,255,.06);border-radius:4px;display:flex;align-items:center;justify-content:center;padding:4px;height:68px}.item-thumb-wrap canvas{image-rendering:pixelated;image-rendering:crisp-edges;display:block}.item-info{display:flex;flex-direction:column;gap:6px}.item-name{font-family:var(--font-pixel);font-size:7px;color:var(--text);line-height:1.6}.item-meta{display:flex;justify-content:space-between;align-items:center;gap:4px}.item-cost{font-family:var(--font-vt);font-size:15px;color:var(--accent)}.item-reward{font-family:var(--font-vt);font-size:15px;color:var(--green)}.variant-row{display:flex;gap:6px;margin:2px 0}.var-btn{width:18px;height:18px;border-radius:50%;border:2px solid transparent;cursor:pointer;padding:0;transition:transform .15s,border-color .15s}.var-btn:hover{transform:scale(1.2)}.var-btn.active{border-color:var(--text);box-shadow:0 0 0 1px #ffffff4d}.item-btn{width:100%;font-family:var(--font-pixel);font-size:6px;padding:8px;border:none;cursor:pointer;letter-spacing:1px;background:var(--accent);color:var(--bg);box-shadow:2px 2px 0 var(--accent-dark);transition:transform .1s,box-shadow .1s,background .2s}.item-btn:hover{transform:translate(-1px,-1px);box-shadow:3px 3px 0 var(--accent-dark)}.item-btn:active{transform:translate(1px,1px);box-shadow:1px 1px 0 var(--accent-dark)}.item-btn.remove{background:transparent;color:var(--red);border:2px solid var(--red);box-shadow:2px 2px #f871714d}.item-btn.remove:hover{background:var(--red);color:#fff;box-shadow:3px 3px #f8717166}.item-btn:disabled{background:#ffffff0d;color:var(--text-dim);cursor:not-allowed;box-shadow:none;transform:none;border:2px solid rgba(255,255,255,.07)}.mechanic-box{background:var(--bg-raised);border:1px solid var(--border);border-left:3px solid var(--purple);padding:18px 20px}.mechanic-title{font-family:var(--font-pixel);font-size:8px;color:var(--purple-light);letter-spacing:2px;margin-bottom:14px}.mechanic-list{list-style:none;display:flex;flex-direction:column;gap:10px}.mechanic-list li{font-family:var(--font-vt);font-size:18px;color:var(--text-muted);line-height:1.4}.mechanic-list li strong{color:var(--text)}.ai-panel{grid-column:1 / -1;margin-top:26px;background:var(--bg-raised);border:1px solid var(--border);border-left:4px solid var(--purple);padding:20px;display:flex;flex-direction:column;gap:14px}.ai-chat-box{background:var(--bg-card);border:1px solid var(--border);min-height:220px;max-height:320px;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:10px}.ai-msg{font-family:var(--font-vt);font-size:20px;line-height:1.4;border:1px solid rgba(255,255,255,.08);padding:10px 12px}.ai-msg.user{background:#8b5cf629;border-color:#8b5cf661;color:var(--text)}.ai-msg.assistant{background:#f4a2611f;border-color:#f4a26159;color:var(--text-muted)}.ai-msg.system{background:#ffffff08;color:var(--text-dim);font-size:17px}.ai-form{display:flex;gap:12px;align-items:stretch}.ai-input{flex:1;background:var(--bg-card);border:2px solid var(--border);color:var(--text);font-family:var(--font-vt);font-size:22px;padding:10px 14px;outline:none}.ai-input:focus{border-color:var(--purple-light)}.ai-send{min-width:120px}.demo-bar{background:#8b5cf61f;border-top:1px solid rgba(139,92,246,.3);padding:10px 28px;display:flex;align-items:center;gap:16px;font-family:var(--font-vt);font-size:17px}.demo-bar span:first-child{color:var(--purple-light);font-family:var(--font-pixel);font-size:7px;white-space:nowrap}.demo-bar span:last-child{color:var(--text-muted)}.toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%) translateY(20px);background:var(--bg-raised);border:2px solid var(--border-strong);color:var(--text);font-family:var(--font-vt);font-size:18px;padding:12px 24px;letter-spacing:1px;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;white-space:nowrap;z-index:200}.toast.show{opacity:1;transform:translate(-50%) translateY(0)}.toast.error{border-color:var(--red);color:var(--red)}@media (max-width: 1000px){.app-main{grid-template-columns:1fr;padding:16px}.room-panel{width:100%}.shop-panel{padding-left:0}.shop-grid{grid-template-columns:repeat(3,1fr)}.ai-panel{margin-top:18px}}@media (max-width: 600px){.shop-grid,.room-stats{grid-template-columns:repeat(2,1fr)}.app-header{flex-wrap:wrap;gap:10px}.header-wallet{width:100%;justify-content:space-between}.ai-form{flex-direction:column}.ai-send{width:100%}}