:root{--accent:#f59e0b;--accent-soft:#f59e0b24;--accent-glow:#f59e0b47;--ink:#1e293b;--muted:#64748b;--bg-gradient-1:#f59e0b1f;--bg-gradient-2:#2563eb14;--bg-gradient-3:#f59e0b0d;--surface:#ffffffa6;--surface-border:#fffc;--radius:1rem;color:var(--ink);font-synthesis:none;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f8fafc;font-family:Inter,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{background:radial-gradient(circle at 0% 0%, var(--bg-gradient-1), transparent 40%), radial-gradient(circle at 100% 0%, var(--bg-gradient-2), transparent 36%), radial-gradient(circle at 50% 100%, var(--bg-gradient-3), transparent 40%), #f8fafc;min-width:280px;min-height:100vh;margin:0}#app{min-height:100vh}.demo-app{width:min(980px,100%);margin:0 auto;padding:1rem}@media (width>=768px){.demo-app{padding:1.5rem 1.5rem 2rem}}.demo-header{justify-content:space-between;align-items:flex-end;gap:1rem;margin-bottom:1.25rem;display:flex}.header-titles{min-width:0}.header-controls{flex-shrink:0}@media (width<=480px){.demo-header{flex-direction:column;align-items:flex-start}.header-controls{width:100%;margin-top:.5rem}}.demo-eyebrow{color:var(--accent);letter-spacing:.08em;text-transform:uppercase;align-items:center;gap:.4rem;margin:0 0 .45rem;font-family:SFMono-Regular,Consolas,monospace;font-size:.75rem;display:inline-flex}.demo-eyebrow:before{content:"";background:var(--accent);width:.45rem;height:.45rem;box-shadow:0 0 0 3px var(--accent-soft);border-radius:50%}h1{letter-spacing:-.04em;margin:0;font-size:clamp(1.4rem,5vw,2rem);font-weight:800}.demo-panel{grid-template-columns:1fr;gap:1rem;display:grid}@media (width>=768px){.demo-panel{grid-template-columns:repeat(2,minmax(0,1fr))}}.demo-card{background:var(--surface);-webkit-backdrop-filter:blur(12px);border:1px solid var(--surface-border);border-radius:var(--radius);flex-direction:column;gap:.85rem;min-height:9rem;padding:1rem;transition:transform .2s,box-shadow .2s,border-color .2s;display:flex;box-shadow:0 4px 24px #0f172a0a}.demo-card:hover{transform:translateY(-2px);box-shadow:0 12px 32px #0f172a14}.demo-card--highlight{color:#fff;background:linear-gradient(145deg,#1e293b 0%,#0f172a 100%);border-color:#1a274433;box-shadow:0 12px 32px #0f172a26}.demo-card--highlight:hover{border-color:#ffffff26;box-shadow:0 16px 48px #0f172a33}.demo-label{color:var(--muted);letter-spacing:.04em;text-transform:uppercase;font-size:.72rem;font-weight:700}.demo-card--highlight .demo-label{color:#fff9}.locale-readout{grid-template-columns:auto 1fr;align-items:center;gap:.25rem .7rem;margin-top:auto;display:grid}.status-dot{background:var(--accent);width:.72rem;height:.72rem;box-shadow:0 0 0 4px var(--accent-soft);border-radius:50%;grid-row:span 2;animation:2.4s ease-in-out infinite pulse}@keyframes pulse{0%,to{box-shadow:0 0 0 4px var(--accent-soft)}50%{box-shadow:0 0 0 7px var(--accent-soft)}}.locale-readout strong{font-size:1.2rem;font-weight:700}.locale-readout code{color:var(--muted);background:#1a27440f;border-radius:.35rem;padding:.15em .4em;font-family:SFMono-Regular,Consolas,monospace;font-size:.75rem}.language-control{margin-top:auto}select{appearance:none;width:100%;color:var(--ink);font:inherit;cursor:pointer;background:#fffc url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") right .75rem center/1rem no-repeat;border:1px solid #1a27441a;border-radius:.65rem;padding:.72rem 2.2rem .72rem .85rem;font-size:.92rem;font-weight:600;transition:all .16s}select:hover{border-color:var(--accent);box-shadow:0 4px 12px var(--accent-soft);transform:translateY(-1px)}select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.translation-output{margin-top:auto}.translation-output p{min-height:2.94rem;margin:0;font-size:1.05rem;font-weight:600;line-height:1.4}.translation-output span{color:#ffffffa6;min-height:2.46rem;margin-top:.5rem;font-size:.82rem;line-height:1.5;display:block}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (prefers-reduced-motion:reduce){.status-dot{animation:none}.demo-card,select{transition:none}}