:root{--bg: #f3f4f7;--surface: #ffffff;--surface-2: #f1f3f6;--ink: #10141b;--ink-2: #4b5563;--ink-3: #8b94a3;--line: #e6e9ef;--brand: #163a5f;--brand-700: #1f4d7a;--focus: #2f80ed;--amber: #e0a93b;--green-1: #5fae7a;--green-2: #2f8f57;--danger: #d64545;--danger-bg: #fdecec;--r-sm: 10px;--r: 14px;--r-lg: 22px;--pill: 999px;--shadow-sm: 0 1px 2px rgba(16, 21, 28, .06), 0 1px 3px rgba(16, 21, 28, .08);--shadow: 0 6px 20px rgba(16, 21, 28, .1);--shadow-lg: 0 16px 40px rgba(16, 21, 28, .22);--tap: 48px;--maxw: 540px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}*{box-sizing:border-box}html,body{margin:0;padding:0;min-height:100dvh;background:var(--bg)}h1,h2,h3,p{margin:0}button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:3px solid color-mix(in srgb,var(--focus) 55%,transparent);outline-offset:2px}.app-shell{max-width:var(--maxw);margin:0 auto;min-height:100dvh;display:flex;flex-direction:column;background:var(--bg)}@media (min-width: 600px){.app-shell{border-left:1px solid var(--line);border-right:1px solid var(--line);background:var(--surface)}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:var(--tap);padding:0 1.25rem;border-radius:var(--r);font-weight:600;font-size:1rem;transition:transform .06s ease,background .15s ease,opacity .15s ease}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--brand);color:#fff}.btn-primary:not(:disabled):hover{background:var(--brand-700)}.btn-soft{background:var(--surface-2);color:var(--ink)}.btn-ghost{background:transparent;color:var(--ink-2)}.btn-block{width:100%}.icon-btn{width:var(--tap);height:var(--tap);border-radius:var(--pill);display:inline-grid;place-items:center;background:var(--surface-2);color:var(--ink);font-size:1.1rem}.chip{display:inline-flex;align-items:center;gap:.4rem;padding:.3rem .7rem;border-radius:var(--pill);font-size:.78rem;font-weight:700;background:var(--surface-2);color:var(--ink-2)}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-sm)}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}