:root{--bg:#f5f6f8;--surface:#fff;--border:#d9dce1;--text:#1c1f24;--text-muted:#6b7280;--accent:#2f6feb;--accent-contrast:#fff;--error-bg:#fdeceb;--error-border:#e5534b;--error-text:#8a1f16;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root[data-theme=dark]{--bg:#14161a;--surface:#1b1e24;--border:#2e333c;--text:#e6e8eb;--text-muted:#9aa1ac;--accent:#5b9dff;--accent-contrast:#0b1220;--error-bg:#3a1c1c;--error-border:#e5534b;--error-text:#ffb4ac;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:system-ui,Segoe UI,Roboto,sans-serif}.app{max-width:960px;margin:0 auto;padding:20px 20px 60px}.site-header{align-items:center;gap:10px;margin-bottom:12px;display:flex}.site-header__brand{color:var(--accent);white-space:nowrap;font-size:15px;font-weight:700;text-decoration:none}.site-header__brand:hover{text-decoration:underline}.site-header__divider{color:var(--text-muted);font-weight:400}.site-header__title{color:var(--text-muted);white-space:nowrap;font-size:15px;font-weight:600}.toolbar-spacer{flex:1}.btn,.toggle-btn{border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;border-radius:6px;padding:6px 12px;font-size:13px}.btn:hover,.toggle-btn:hover{border-color:var(--accent)}.icon-btn{padding:6px 10px}.app__main h1{margin:8px 0 4px;font-size:28px}.app__intro{color:var(--text-muted);margin:0 0 20px}.app__status{color:var(--text-muted);font-size:14px}.error-banner{background:var(--error-bg);border:1px solid var(--error-border);color:var(--error-text);border-radius:8px;margin-bottom:16px;padding:12px 16px;font-size:14px}.dropzone{border:2px dashed var(--border);background:var(--surface);cursor:pointer;text-align:center;color:var(--text);border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:48px 20px;transition:border-color .15s;display:flex}.dropzone:hover,.dropzone--dragging{border-color:var(--accent)}.dropzone__hint{color:var(--text-muted);font-size:13px}.dropzone__input{display:none}.app__workspace{grid-template-columns:1.4fr 1fr;align-items:start;gap:24px;display:grid}@media (width<=720px){.app__workspace{grid-template-columns:1fr}}.app__canvas-column{flex-direction:column;gap:10px;display:flex}.app__result-column{flex-direction:column;gap:12px;display:flex}.image-canvas{border:1px solid var(--border);cursor:crosshair;touch-action:manipulation;-webkit-touch-callout:none;border-radius:8px;max-width:100%;line-height:0;display:inline-block;position:relative;overflow:hidden}.image-canvas__surface canvas{max-width:100%;height:auto;display:block}.image-canvas__marker{pointer-events:none;border:2px solid #fff;border-radius:50%;width:20px;height:20px;position:absolute;transform:translate(-50%,-50%);box-shadow:0 0 0 2px #0009}.image-canvas__marker:before,.image-canvas__marker:after{content:"";background:#fff;position:absolute;box-shadow:0 0 0 1px #0009}.image-canvas__marker:before{width:1px;top:-6px;bottom:-6px;left:50%;transform:translate(-50%)}.image-canvas__marker:after{height:1px;top:50%;left:-6px;right:-6px;transform:translateY(-50%)}.result-panel{border:1px solid var(--border);background:var(--surface);border-radius:12px;flex-direction:column;gap:14px;padding:16px;display:flex}.result-panel__swatch{border:1px solid var(--border);border-radius:8px;width:100%;height:90px}.result-panel__note{color:var(--text-muted);margin:0;font-size:13px}.result-panel__fields{flex-direction:column;gap:8px;display:flex}.color-field{align-items:center;gap:8px;display:flex}.color-field__label{width:36px;color:var(--text-muted);font-size:12px;font-weight:600}.color-field__value{flex:1;font-family:ui-monospace,Consolas,monospace;font-size:14px}.copy-btn{flex-shrink:0}.named-color-card{border-top:1px solid var(--border);align-items:center;gap:12px;padding-top:12px;display:flex}.named-color-card__swatches{display:flex}.named-color-card__swatch{border:2px solid var(--surface);width:28px;height:28px;box-shadow:0 0 0 1px var(--border);border-radius:50%}.named-color-card__swatches .named-color-card__swatch:nth-child(2){margin-left:-10px}.named-color-card__text{flex-direction:column;display:flex}.named-color-card__label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;font-size:11px}.named-color-card__name{font-size:15px;font-weight:600}.named-color-card__hex{color:var(--text-muted);font-family:ui-monospace,Consolas,monospace;font-size:12px}