:root{--bg: #0f1115;--bg-subtle: #171a20;--bg-elev: #1b1f27;--line: #262b34;--line-strong: #39404d;--fg: #e7eaf0;--fg-muted: #9aa4b2;--fg-subtle: #67707e;--accent: #8b6cff;--accent-strong: #6a48f0;--accent-soft: #241d3d;--success: #34d399;--error: #f87171;--r: 12px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;--shadow: 0 1px 2px rgba(0, 0, 0, .35), 0 6px 18px rgba(0, 0, 0, .3)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:var(--font);background:linear-gradient(180deg,#14161c 0%,var(--bg) 100%);background-attachment:fixed;color:var(--fg);line-height:1.5;font-size:14px;-webkit-font-smoothing:antialiased}::selection{background:var(--accent);color:#fff}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:5px;border:2px solid var(--bg)}::-webkit-scrollbar-thumb:hover{background:var(--fg-subtle)}.shell{max-width:1280px;margin:0 auto;padding:24px 24px 80px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:4px 0 18px;margin-bottom:18px;border-bottom:1px solid var(--line)}.brand{font-size:20px;font-weight:800;letter-spacing:-.03em;background:linear-gradient(120deg,var(--accent),#c084fc);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}.topbar-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.pill-btn{appearance:none;background:var(--bg-elev);color:var(--fg);border:1px solid var(--line-strong);border-radius:999px;padding:7px 16px;font-size:13px;font-weight:500;cursor:pointer;box-shadow:var(--shadow);transition:background .15s,border-color .15s,transform .05s}.pill-btn:hover{border-color:var(--accent);color:var(--accent)}.pill-btn:active{transform:translateY(1px)}.pill-btn.primary{background:linear-gradient(120deg,var(--accent),var(--accent-strong));border-color:transparent;color:#fff;font-weight:600}.pill-btn.primary:hover{opacity:.9;color:#fff}.pill-btn.primary:disabled{opacity:.5;cursor:default}.pill-btn.remove{width:30px;height:30px;padding:0;line-height:1}.error-banner{background:#f871711f;border:1px solid rgba(248,113,113,.35);color:var(--error);padding:10px 14px;border-radius:var(--r);margin-bottom:14px;font-size:13px}.empty-state{appearance:none;width:100%;font:inherit;text-align:center;border:2px dashed var(--line-strong);border-radius:var(--r);padding:90px 24px;color:var(--fg-muted);background:var(--bg-elev);cursor:pointer;transition:border-color .15s,background .15s}.empty-state:hover{border-color:var(--accent);background:var(--bg-subtle)}.empty-state:active{transform:translateY(1px)}.empty-state .empty-icon{font-size:46px;color:var(--accent);margin-bottom:14px}.empty-state h3{font-size:20px;font-weight:700;color:var(--fg);margin-bottom:6px}.toolbar{background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r);padding:14px 18px;margin-bottom:20px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow)}.tb-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.tb{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:500;color:var(--fg-muted);white-space:nowrap}.tool-toggle{appearance:none;background:var(--bg-subtle);border:1px solid var(--line-strong);color:var(--fg-muted);border-radius:8px;padding:7px 14px;font-size:13px;font-weight:500;cursor:pointer}.tool-toggle:hover{border-color:var(--accent);color:var(--accent)}.tool-toggle.on{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.color-input{width:42px;height:30px;padding:0;border:1px solid var(--line-strong);border-radius:8px;background:transparent;cursor:pointer}.color-input::-webkit-color-swatch-wrapper{padding:2px}.color-input::-webkit-color-swatch{border:none;border-radius:6px}.color-input::-moz-color-swatch{border:none;border-radius:6px}.slider{width:130px;accent-color:var(--accent);cursor:pointer}.paint-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(560px,1fr));gap:20px}.paint-card{background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}.paint-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#20242d,#181b22)}.paint-card-name{font-size:13px;font-weight:600;color:var(--fg);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.paint-card-actions{display:flex;align-items:center;gap:6px;flex-shrink:0}.paint-pair{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line)}.paint-side{background:var(--bg-elev);padding:12px}.paint-side-label{font-size:11px;text-transform:uppercase;letter-spacing:.06em;font-weight:600;color:var(--fg-subtle);margin-bottom:8px}.paint-orig-wrap{display:flex;justify-content:center;align-items:center;min-height:240px;background:var(--bg-subtle);border-radius:8px;overflow:hidden}.paint-orig{max-width:100%;max-height:460px;display:block;object-fit:contain}.paint-canvas-wrap{display:flex;justify-content:center;align-items:center;min-height:240px;background-color:#101318;background-image:linear-gradient(45deg,#1d2129 25%,transparent 25%),linear-gradient(-45deg,#1d2129 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#1d2129 75%),linear-gradient(-45deg,transparent 75%,#1d2129 75%);background-size:18px 18px;background-position:0 0,0 9px,9px -9px,-9px 0;border-radius:8px;overflow:hidden}.paint-canvas{max-width:100%;max-height:460px;cursor:crosshair;touch-action:none;display:block}@media (max-width: 860px){.paint-pair,.paint-list{grid-template-columns:1fr}}