:root{--bg:#0a0a0a;--surface:#121212;--surface-hover:#181818;--surface-active:#202020;--border:#242424;--border-highlight:#383838;--accent:#d4a843;--accent-hover:#e6b955;--accent-dim:#d4a84326;--text:#f0f0f0;--text-muted:#888;--radius:12px;--radius-sm:8px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);-webkit-user-select:none;user-select:none;flex-direction:column;min-height:100vh;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;display:flex}#header{border-bottom:1px solid var(--border);background:var(--surface);z-index:50;justify-content:space-between;align-items:center;height:56px;padding:0 20px;display:flex;position:sticky;top:0}.logo{letter-spacing:.1em;color:var(--text-muted);text-transform:uppercase;font-size:15px;font-weight:800}.logo span{color:var(--accent)}.btn{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;justify-content:center;align-items:center;gap:8px;padding:8px 14px;font-size:12px;font-weight:600;text-decoration:none;transition:background .15s,border-color .15s,color .15s,transform .1s;display:inline-flex}.btn:hover{background:var(--surface-hover);border-color:var(--border-highlight);color:#fff}.btn:active{transform:scale(.98)}.btn-primary{background:var(--accent);color:#0d0d0d;border-color:var(--accent);font-weight:700}.btn-primary:hover{background:var(--accent-hover);color:#000}.btn-ghost{border-color:var(--border);background:0 0}.btn-ghost:hover{background:var(--surface-hover)}.btn:disabled{opacity:.45;cursor:not-allowed;pointer-events:none}.main-layout{flex:1;grid-template-columns:1.1fr 1fr;gap:28px;width:100%;max-width:1280px;margin:0 auto;padding:24px 20px 48px;display:grid}@media (width<=900px){.main-layout{grid-template-columns:1fr;gap:20px;padding:16px 14px 40px}}.viewer-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;gap:16px;padding:18px;display:flex;position:relative}.viewer-header{justify-content:space-between;align-items:center;display:flex}.viewer-title{text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);align-items:center;gap:8px;font-size:13px;font-weight:700;display:flex}.viewer-title span{color:var(--accent)}.image-viewport{border:1px solid var(--border);border-radius:var(--radius-sm);cursor:crosshair;background:#070707;justify-content:center;align-items:center;width:100%;min-height:380px;max-height:540px;display:flex;position:relative;overflow:hidden}.dropzone-empty{text-align:center;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:12px;width:100%;height:100%;padding:32px 20px;display:flex}.dropzone-empty.hidden{display:none}.dropzone-icon{background:var(--accent-dim);width:52px;height:52px;color:var(--accent);border-radius:50%;justify-content:center;align-items:center;margin-bottom:4px;display:flex}.dropzone-title{color:#fff;font-size:16px;font-weight:700}.dropzone-sub{color:var(--text-muted);max-width:280px;font-size:12px}.preview-img-wrapper{justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:relative}.preview-img-wrapper.hidden{display:none}#preview-canvas{object-fit:contain;border-radius:4px;max-width:100%;max-height:520px;display:block;box-shadow:0 8px 24px #000000b3}.loupe{pointer-events:none;z-index:20;border:2px solid #fff;border-radius:50%;width:60px;height:60px;display:none;position:absolute;transform:translate(-50%,-50%);box-shadow:0 4px 16px #000c,inset 0 0 0 1px #00000080}.loupe-hex{color:#fff;white-space:nowrap;background:#000000d9;border:1px solid #fff3;border-radius:4px;padding:2px 6px;font-size:10px;font-weight:700;position:absolute;bottom:-22px;left:50%;transform:translate(-50%)}.viewer-hint{color:var(--text-muted);justify-content:space-between;align-items:center;padding:0 2px;font-size:11px;display:flex}.viewer-hint strong{color:var(--text)}.palette-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;gap:20px;padding:20px;display:flex}.section-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;display:flex}.section-title{color:#fff;letter-spacing:-.01em;font-size:16px;font-weight:800}.section-sub{color:var(--text-muted);font-size:12px}.options-bar{border-bottom:1px solid var(--border);flex-wrap:wrap;gap:14px;padding-bottom:14px;display:flex}.option-group{align-items:center;gap:8px;display:flex}.option-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:11px;font-weight:700}.pill-selector{border:1px solid var(--border);background:#181818;border-radius:20px;gap:2px;padding:2px;display:inline-flex}.pill-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:16px;padding:4px 10px;font-size:11px;font-weight:600;transition:background .15s,color .15s}.pill-btn:hover{color:var(--text)}.pill-btn.active{background:var(--accent);color:#0f0f10;font-weight:700}.swatches-container{flex-direction:column;gap:12px;display:flex}.swatches-strip{border-radius:var(--radius-sm);height:68px;box-shadow:0 4px 16px #00000080, 0 0 0 1px var(--border);display:flex;overflow:hidden}.strip-color{cursor:pointer;flex:1;height:100%;transition:flex .2s cubic-bezier(.16,1,.3,1),filter .15s;position:relative}.strip-color:hover{filter:brightness(1.06);flex:1.35}.swatches-list{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;display:grid}.swatch-card{border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;background:#171717;flex-direction:column;gap:8px;padding:10px;transition:transform .15s,border-color .15s,box-shadow .15s;display:flex;position:relative}.swatch-card:hover{border-color:var(--border-highlight);transform:translateY(-2px);box-shadow:0 6px 16px #0006}.swatch-card.active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.swatch-color-box{border-radius:6px;justify-content:flex-end;align-items:flex-end;width:100%;height:56px;padding:4px 6px;display:flex;position:relative;box-shadow:inset 0 0 0 1px #00000026}.swatch-role-tag{text-transform:uppercase;letter-spacing:.04em;color:#fff;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0009;border-radius:4px;padding:2px 6px;font-size:9px;font-weight:700}.swatch-codes{flex-direction:column;gap:3px;display:flex}.swatch-hex{color:#fff;justify-content:space-between;align-items:center;font-family:JetBrains Mono,monospace,sans-serif;font-size:13px;font-weight:800;display:flex}.swatch-rgb{color:var(--text-muted);font-variant-numeric:tabular-nums;font-size:10px;font-weight:500}.swatch-copy-badge{color:var(--accent);opacity:0;font-size:9px;font-weight:600;transition:opacity .15s}.swatch-card:hover .swatch-copy-badge{opacity:1}.copy-actions-bar{flex-wrap:wrap;gap:8px;padding-top:6px;display:flex}.card-export-box{border:1px solid var(--border);border-radius:var(--radius-sm);background:#161616;flex-direction:column;gap:12px;padding:16px;display:flex}.card-export-header{justify-content:space-between;align-items:center;display:flex}.card-export-title{color:#fff;align-items:center;gap:6px;font-size:13px;font-weight:700;display:flex}.card-export-title span{color:var(--accent)}.card-formats-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}.toast{color:var(--accent);border:1px solid var(--accent);z-index:1000;opacity:0;pointer-events:none;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#141414f2;border-radius:20px;padding:8px 18px;font-size:12px;font-weight:700;transition:transform .2s cubic-bezier(.16,1,.3,1),opacity .2s;position:fixed;bottom:24px;left:50%;transform:translate(-50%)translateY(40px);box-shadow:0 8px 24px #0009}.toast.show{opacity:1;transform:translate(-50%)translateY(0)}.loading-overlay{z-index:30;border-radius:var(--radius-sm);background:#0a0a0ad9;flex-direction:column;justify-content:center;align-items:center;gap:12px;display:flex;position:absolute;inset:0}.loading-overlay.hidden{display:none}.spinner{border:3px solid #ffffff1a;border-top-color:var(--accent);border-radius:50%;width:32px;height:32px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}footer{border-top:1px solid var(--border);text-align:center;color:var(--text-muted);background:var(--surface);margin-top:auto;padding:20px;font-size:12px}footer span{color:var(--accent)}