:root{--cherry-red: #e30613;--cherry-red-dark: #b8050f;--cherry-red-soft: #fde8ea;--ink: #1a1a1a;--ink-muted: #5c5c5c;--surface: #ffffff;--surface-muted: #f6f6f7;--border: #e6e6ea;--radius: 16px;--shadow: 0 12px 40px rgba(26, 26, 26, .08);--font: "DM Sans", system-ui, -apple-system, sans-serif}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:var(--font);color:var(--ink);background:linear-gradient(180deg,#fff 0%,var(--surface-muted) 100%);min-height:100vh}.page{min-height:100vh;display:flex;flex-direction:column}.header{border-bottom:1px solid var(--border);background:var(--surface)}.header__inner{max-width:1100px;margin:0 auto;padding:1rem 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.15s}.btn:hover{transform:translateY(-1px)}.btn--primary{background:var(--cherry-red);color:#fff}.btn--primary:hover{background:var(--cherry-red-dark)}.btn--secondary{background:#fff;color:var(--ink);border:1px solid var(--border)}.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin-bottom:1rem}.stat{background:var(--surface-muted);border-radius:12px;padding:1rem}.stat__value{display:block;font-size:1.6rem;font-weight:700;color:var(--cherry-red)}.stat__label{color:var(--ink-muted);font-size:.9rem}.warnings{background:#fff8e6;border:1px solid #f0d998;border-radius:12px;padding:1rem 1.25rem;margin-bottom:1rem}.warnings h4{margin:0 0 .5rem}.warnings ul{margin:0;padding-left:1.2rem;color:#6a4f00}.preview-panel{border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--surface-muted);margin-bottom:1rem}.preview-toolbar{padding:1rem 1.1rem;border-bottom:1px solid var(--border);background:var(--surface)}.preview-toolbar__title{margin:0 0 .85rem;font-size:.95rem;font-weight:700;color:var(--ink)}.preview-toolbar__controls{display:flex;flex-wrap:wrap;gap:1rem 1.25rem;align-items:flex-end}.preview-control{margin:0;padding:0;border:0;min-width:0}.preview-control__label{display:block;margin-bottom:.4rem;padding:0;font-size:.7rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-muted)}.preview-control--client{flex:1 1 12rem;min-width:10rem;max-width:16rem}.chip-group{display:inline-flex;padding:.2rem;background:var(--surface-muted);border:1px solid var(--border);border-radius:10px;gap:.15rem}.chip-group .chip{border:none;background:transparent;border-radius:8px;padding:.4rem .75rem;font-size:.85rem;color:var(--ink-muted);box-shadow:none}.chip-group .chip:hover{color:var(--ink);background:#ffffff8c}.chip-group .chip:focus-visible{outline:2px solid var(--cherry-red);outline-offset:1px}.chip-group .chip--active{background:#fff;color:var(--cherry-red-dark);font-weight:600;box-shadow:0 1px 3px #1a1a1a14}.preview-client-select__input{display:block;width:100%;border:1px solid var(--border);border-radius:10px;padding:.5rem 2rem .5rem .75rem;font:inherit;font-size:.85rem;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235c5c5c' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right .65rem center;-webkit-appearance:none;-moz-appearance:none;appearance:none;cursor:pointer;color:var(--ink)}.preview-client-select__input:disabled{opacity:.55;cursor:not-allowed}.preview-client-select__input:not(:disabled):hover,.preview-client-select__input:not(:disabled):focus-visible{border-color:var(--cherry-red);outline:none}.preview-frame-wrap{background:#ececf0;padding:1.5rem;overflow:auto}.preview-frame-wrap--dark{background:#1a1a1a}.preview-frame--dark{background:#2d2d2d;box-shadow:0 8px 24px #00000059}.chip{border:1px solid var(--border);background:#fff;border-radius:999px;padding:.45rem .85rem;cursor:pointer;font:inherit}.chip--active{border-color:var(--cherry-red);background:var(--cherry-red-soft);color:var(--cherry-red-dark);font-weight:600}.chip:focus-visible{outline:2px solid var(--cherry-red);outline-offset:2px}.preview-frame{display:block;margin:0 auto;width:600px;min-height:500px;border:0;background:#fff;box-shadow:0 8px 24px #00000014}.code-panel summary{cursor:pointer;font-weight:600;margin-bottom:.75rem}.code-panel__textarea{width:100%;min-height:260px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.82rem;line-height:1.5;border:1px solid var(--border);border-radius:12px;padding:1rem;resize:vertical;background:#fafafa}@media(max-width:720px){.stats{grid-template-columns:1fr}.preview-toolbar__controls{flex-direction:column;align-items:stretch}.preview-control--client{max-width:none}.chip-group{display:flex;width:100%}.chip-group .chip{flex:1;text-align:center}.preview-frame{width:100%!important;min-width:320px}}