:root{color-scheme:light dark;--accent:#2563eb;--danger:#dc2626;--border:color-mix(in srgb,currentColor 20%,transparent)}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}main{max-width:860px;margin-inline:auto;padding:16px}h1{font-size:1.35rem}.btn,button{font-size:1rem;padding:12px 18px;border-radius:10px;background:var(--accent);color:#fff;cursor:pointer;min-height:48px}.btn,.card,button{border:1px solid var(--border)}.card{border-radius:12px;padding:14px;margin-block:10px}.badge{display:inline-block;border:1px solid var(--border);border-radius:999px;padding:2px 10px;font-size:.8rem;opacity:.85}.muted{opacity:.65;font-size:.9rem}.topnav{display:flex;gap:18px;padding:10px 16px;border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;background:Canvas;z-index:10}.topnav,.topnav a{align-items:center}.topnav a{color:inherit;text-decoration:none;font-weight:500;min-height:40px;display:inline-flex}.topnav a:hover{color:var(--accent)}.nav-signout{background:transparent;color:inherit;min-height:40px;padding:6px 14px;font-size:.9rem}.voice-hint{text-align:center;font-size:.85rem;padding:6px 16px;border-bottom:1px solid var(--border);background:color-mix(in srgb,var(--accent) 10%,transparent)}