:root{--bg:#f5f6f8;--surface:#fff;--border:#d9dce1;--text:#1c1f24;--text-h:#08060d;--text-muted:#6b7280;--accent:#2f6feb;--accent-contrast:#fff;--error-bg:#fdeceb;--error-border:#e5534b;--error-text:#8a1f16;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:15px/145% var(--sans);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}:root[data-theme=dark]{--bg:#14161a;--surface:#1b1e24;--border:#2e333c;--text:#e6e8eb;--text-h:#f3f4f6;--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}h1,h2{font-family:var(--heading);color:var(--text-h)}.app{box-sizing:border-box;flex-direction:column;width:100%;max-width:1400px;min-height:100svh;margin:0 auto;padding:20px 24px 32px;display:flex}.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-header{margin-bottom:16px}.app-header h1{margin:0 0 4px;font-size:22px}.embed-notice{background:var(--surface);border:1px solid var(--border);color:var(--text-muted);border-radius:8px;align-items:flex-start;gap:12px;margin-top:10px;padding:10px 12px;font-size:13px;display:flex}.embed-notice__dismiss{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:2px;font-size:13px;line-height:1}.embed-notice__dismiss:hover{color:var(--text)}.url-bar{margin-bottom:16px}.url-bar__row{gap:8px;display:flex}.url-bar__input{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:6px;flex:1;padding:8px 12px;font-size:14px}.url-bar__input:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.url-bar__load{font-weight:600}.url-bar__error{color:var(--error-text);margin:6px 0 0;font-size:13px}.app-toolbar{margin-bottom:16px;display:flex}.view-mode-toggle{border:1px solid var(--border);border-radius:6px;display:inline-flex;overflow:hidden}.view-mode-toggle__btn{background:var(--surface);color:var(--text-muted);cursor:pointer;border:none;padding:6px 16px;font-size:13px}.view-mode-toggle__btn:not(:last-child){border-right:1px solid var(--border)}.view-mode-toggle__btn--active{background:var(--accent);color:var(--accent-contrast)}.device-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;display:grid}.device-grid__cell{min-width:0}.device-frame{border:1px solid var(--border);background:var(--surface);border-radius:8px;overflow:hidden;box-shadow:0 1px 3px #0000000f}.device-frame__header{border-bottom:1px solid var(--border);align-items:center;gap:8px;padding:6px 10px;font-size:12px;display:flex}.device-frame__name{color:var(--text);font-weight:600}.device-frame__dims{color:var(--text-muted)}.device-frame__rotate{cursor:pointer;color:var(--text-muted);background:0 0;border:none;padding:2px 4px;font-size:14px}.device-frame__rotate:hover{color:var(--accent)}.device-frame__open{color:var(--accent);white-space:nowrap;text-decoration:none}.device-frame__open:hover{text-decoration:underline}.device-frame__viewport{background:var(--bg);margin:0 auto;position:relative;overflow:hidden}.device-frame__iframe{transform-origin:0 0;border:none;display:block}.device-frame__placeholder{color:var(--text-muted);text-align:center;justify-content:center;align-items:center;padding:12px;font-size:13px;display:flex;position:absolute;inset:0}.device-frame__overlay{color:#fff;text-align:center;background:#0000008c;justify-content:center;align-items:center;padding:16px;font-size:13px;display:flex;position:absolute;inset:0}.device-frame__overlay--timeout{background:#8a1f16bf}.custom-preview{flex-direction:column;gap:16px;display:flex}.custom-preview__controls{flex-wrap:wrap;gap:24px;display:flex}.custom-preview__field{color:var(--text-muted);align-items:center;gap:8px;font-size:13px;display:flex}.custom-preview__field input[type=range]{width:200px}.custom-preview__field input[type=number]{border:1px solid var(--border);background:var(--surface);width:80px;color:var(--text);border-radius:6px;padding:4px 8px}.custom-preview__auto{align-items:center;gap:4px;font-size:13px;display:flex}.custom-preview__panel{width:100%}