:root{--bg:#fafafa;--surface:#fff;--text:#111;--muted:#6b7280;--border:#e5e7eb;--accent:#2563eb;--accent-hover:#1d4ed8;--success:#16a34a;--danger:#dc2626;--radius-btn:16px;--radius-card:22px;--font:-apple-system, "SF Pro Display", "SF Pro Text", "Segoe UI", system-ui, Roboto, "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}button{cursor:pointer;font-family:inherit}img{max-width:100%}.page{min-height:100dvh;padding:28px 20px calc(env(safe-area-inset-bottom) + 28px);flex-direction:column;align-items:center;display:flex}.wrap{flex-direction:column;align-items:center;width:100%;max-width:420px;display:flex}.brand{letter-spacing:.02em;color:var(--text);align-items:center;gap:10px;margin-bottom:22px;font-size:.9375rem;font-weight:800;display:flex}.brand .mark{background:var(--text);color:#fff;letter-spacing:0;border-radius:6px;place-items:center;width:28px;height:28px;font-size:.8125rem;font-weight:800;display:grid}.card-slot{justify-content:center;width:100%;margin-bottom:22px;display:flex}.headline{text-align:center;margin:2px 0 6px;font-size:1.35rem;font-weight:800}.sub{color:var(--muted);text-align:center;margin:0 0 22px;font-size:.98rem;line-height:1.55}.btn{border-radius:var(--radius-btn);border:none;justify-content:center;align-items:center;gap:9px;width:100%;min-height:58px;font-size:1.05rem;font-weight:700;text-decoration:none;transition:transform 80ms,background .15s,opacity .15s;display:inline-flex}.btn:active{transform:scale(.985)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-ghost{background:var(--surface);color:var(--text);border:1.5px solid var(--border)}.btn:disabled{opacity:.55;cursor:not-allowed}.section-title{text-align:center;align-self:stretch;margin:6px 0 14px;font-size:1.02rem;font-weight:700}.options{flex-direction:column;gap:12px;width:100%;display:flex}.option{text-align:left;background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-btn);justify-content:space-between;align-items:center;gap:12px;width:100%;min-height:68px;padding:14px 18px;transition:transform 80ms,border-color .15s,box-shadow .15s;display:flex}.option:first-child{border-color:var(--accent);box-shadow:0 0 0 3px #2563eb1f}.option:hover:not(:disabled){border-color:var(--accent)}.option:active:not(:disabled){transform:scale(.99)}.option:disabled{opacity:.55;cursor:not-allowed}.option-body{flex-direction:column;gap:3px;min-width:0;display:flex}.option-title{flex-wrap:wrap;align-items:center;gap:8px;font-size:1.02rem;font-weight:700;display:flex}.option-sub{color:var(--muted);font-size:.88rem}.option-tag{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:2px 8px;font-size:.7rem;font-weight:700}.note{color:var(--muted);text-align:center;margin-top:16px;font-size:.85rem;line-height:1.5}.alert{border-radius:14px;width:100%;margin-bottom:16px;padding:12px 15px;font-size:.92rem;line-height:1.5}.alert-error{color:var(--danger);background:#fef2f2;border:1px solid #fecaca}.alert-info{color:var(--accent);background:#eff6ff;border:1px solid #bfdbfe}.alert-success{color:var(--success);background:#f0fdf4;border:1px solid #bbf7d0}.progress-big{letter-spacing:-.02em;text-align:center;font-size:2rem;font-weight:800}.progress-big span{color:var(--muted);font-size:1rem;font-weight:600}.center-fill{min-height:60dvh;color:var(--muted);flex-direction:column;justify-content:center;align-items:center;gap:14px;display:flex}.spinner{border:3px solid var(--border);border-top-color:var(--accent);border-radius:999px;width:26px;height:26px;animation:.8s linear infinite spin}.btn .spinner{border-color:#fff #fff6 #fff6}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){.spinner{animation:none}.btn:active{transform:none}}