*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #FFFFFF;--card: #FAFAFA;--border: #F0EEEB;--text: #111827;--muted: #6B7280;--serif: "Fraunces", serif;--sans: "DM Sans", sans-serif}body{background:var(--bg);color:var(--text);font-family:var(--sans);min-height:100vh;-webkit-font-smoothing:antialiased}.app{max-width:780px;margin:0 auto;padding:52px 24px 100px}header{margin-bottom:36px}.logo{display:flex;align-items:center;gap:14px}.logo-text{font-family:var(--serif);font-size:26px;font-weight:700;letter-spacing:-.5px;line-height:1.1}.tagline{color:var(--muted);font-size:13px;margin-top:2px}.drop-zone{border:1.5px dashed #D1D5DB;border-radius:16px;cursor:pointer;min-height:200px;display:flex;align-items:center;justify-content:center;transition:border-color .2s,background .2s;margin-bottom:28px;overflow:hidden;background:var(--card)}.drop-zone:hover{border-color:#9ca3af;background:#f9f9f9}.drop-zone.over{border-color:#374151;background:#f5f5f5}.drop-zone.has-image{border-style:solid;border-color:var(--border);cursor:pointer}.preview-img{width:100%;height:280px;object-fit:cover;display:block;transition:opacity .15s}.drop-zone.has-image:hover .preview-img{opacity:.85}.drop-prompt{display:flex;flex-direction:column;align-items:center;gap:8px;padding:40px;text-align:center}.drop-icon{font-size:28px;color:#d1d5db}.drop-text{font-family:var(--serif);font-size:18px;font-weight:700;color:var(--text)}.drop-sub{font-size:12px;color:var(--muted)}.loading-bar{height:3px;background:#f0f0f0;border-radius:2px;overflow:hidden;margin-bottom:28px;margin-top:-16px}.loading-fill{height:100%;width:60%;background:#111;animation:slide 1s ease-in-out infinite alternate}@keyframes slide{0%{transform:translate(-50%)}to{transform:translate(150%)}}.swatches{display:grid;grid-template-columns:repeat(6,1fr);border-radius:14px;overflow:hidden;height:160px;margin-bottom:20px;box-shadow:0 2px 20px #0000000f}.swatch{cursor:pointer;position:relative;transition:flex .3s}.swatch:hover{flex:1.4}.swatch-info{position:absolute;bottom:10px;left:10px;right:10px}.swatch-hex{display:block;font-family:DM Sans,monospace;font-size:11px;font-weight:600;letter-spacing:.02em}.swatch-sub{display:block;font-size:9px;opacity:.7;margin-top:2px}.color-detail-row{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin-bottom:28px}.color-detail{display:flex;align-items:flex-start;gap:8px}.cd-dot{width:14px;height:14px;border-radius:50%;flex-shrink:0;margin-top:3px;border:1px solid rgba(0,0,0,.06)}.cd-values{display:flex;flex-direction:column;gap:2px}.cd-hex{font-family:var(--sans);font-size:11px;font-weight:600;color:var(--text)}.cd-rgb,.cd-hsl{font-size:10px;color:var(--muted)}.export-section{background:#f7f7f7;border:1px solid var(--border);border-radius:12px;overflow:hidden;margin-bottom:20px}.export-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);gap:12px}.export-tabs{display:flex;gap:2px}.etab{background:transparent;border:none;border-radius:6px;color:var(--muted);font-family:var(--sans);font-size:12px;font-weight:500;padding:5px 10px;cursor:pointer;transition:all .15s}.etab.active{background:#111;color:#fff}.etab:hover:not(.active){color:var(--text)}.copy-export-btn{background:transparent;border:1px solid #D1D5DB;border-radius:5px;color:var(--muted);font-family:var(--sans);font-size:11px;padding:4px 12px;cursor:pointer;transition:all .15s}.copy-export-btn:hover{color:var(--text);border-color:#9ca3af}.export-code{font-family:DM Sans,monospace;font-size:12px;line-height:1.7;padding:16px;white-space:pre-wrap;color:var(--text)}.reset-btn{background:transparent;border:1px solid var(--border);border-radius:7px;color:var(--muted);font-family:var(--sans);font-size:13px;padding:8px 18px;cursor:pointer;transition:all .15s}.reset-btn:hover{color:var(--text);border-color:#9ca3af}@media (max-width: 600px){.swatches{grid-template-columns:repeat(3,1fr);height:240px}.color-detail-row{grid-template-columns:repeat(3,1fr)}.swatch:hover{flex:1}}