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1.1rem;border-radius:999px;box-shadow:var(--shadow-lg);font-size:.9rem;max-width:calc(100vw - 2rem)}.update-bar.svelte-12qhfyh button:where(.svelte-12qhfyh){background:var(--on-primary);color:var(--primary);border:none;border-radius:999px;padding:.35rem .85rem;font:inherit;font-weight:700;cursor:pointer;white-space:nowrap}@media (min-width: 721px){.update-bar.svelte-12qhfyh{bottom:1.25rem}}:root,[data-theme=light]{--bg: #fafafa;--surface: #ffffff;--surface-alt: #f3f4f6;--text: #111827;--muted: #6b7280;--border: #e5e7eb;--primary: #2563eb;--primary-soft: #eff6ff;--on-primary: #ffffff;--correct: #10b981;--correct-soft: #ecfdf5;--incorrect: #ef4444;--incorrect-soft: #fef2f2;--warning: #f59e0b;--warning-soft: #fffbeb;--warning-text: #92400e;--accent: #0e7490;--accent-soft: #ecfeff;--radius-sm: 10px;--radius: 12px;--radius-lg: 16px;--shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);--shadow-md: 0 4px 10px -2px rgba(16, 24, 40, .1), 0 2px 4px -2px rgba(16, 24, 40, 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var(--border);border-radius:999px;background:var(--surface);color:var(--text);font:inherit;font-size:.95rem;font-weight:600;line-height:1.2;text-decoration:none;cursor:pointer;user-select:none;-webkit-user-select:none;transition:transform .12s ease,box-shadow .15s ease,background .15s,border-color .15s,filter .15s,opacity .15s}.btn:hover{border-color:var(--primary)}.btn:active{transform:scale(.96)}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.btn-primary{background:var(--primary);border-color:var(--primary);color:var(--on-primary);box-shadow:var(--shadow-primary)}.btn-primary:hover{filter:brightness(1.06)}.btn-lg{min-height:52px;padding:.85rem 1.7rem;font-size:1.05rem}.btn-block{width:100%}@media (prefers-reduced-motion: reduce){.btn{transition:none}.btn:active{transform:none}}.topbar.svelte-12qhfyh{border-bottom:1px solid var(--border);background:var(--surface);padding:calc(.75rem + env(safe-area-inset-top,0px)) 1rem .75rem 1rem;display:flex;align-items:center;justify-content:space-between;gap:.5rem}.topbar.svelte-12qhfyh>:where(.svelte-12qhfyh){max-width:720px}.brand.svelte-12qhfyh{font-weight:800;letter-spacing:-.02em;color:inherit;text-decoration:none;white-space:nowrap;font-size:1.05rem}.brand-accent.svelte-12qhfyh{color:var(--primary)}nav.svelte-12qhfyh{display:flex;gap:.9rem;align-items:center}.nav-links.svelte-12qhfyh{display:flex;gap:.9rem;align-items:center}.nav-links.svelte-12qhfyh a:where(.svelte-12qhfyh){color:var(--primary);text-decoration:none;font-size:.95rem;font-weight:500}.icon-toggle.svelte-12qhfyh{background:none;border:none;cursor:pointer;font-size:1.05rem;line-height:1;padding:.5rem;min-width:40px;min-height:40px;border-radius:999px}.icon-toggle.svelte-12qhfyh:hover{background:var(--surface-alt)}.icon-toggle.svelte-12qhfyh+.icon-toggle:where(.svelte-12qhfyh){margin-left:-.25rem}.profile-btn.svelte-12qhfyh{display:inline-flex;align-items:center;justify-content:center;min-width:40px;min-height:40px;margin-left:.1rem;border-radius:999px;background:var(--surface-alt);border:1px solid var(--border);font-size:1.15rem;line-height:1;text-decoration:none}.profile-btn.svelte-12qhfyh:hover{border-color:var(--primary)}main.svelte-12qhfyh{max-width:720px;margin:0 auto;padding:1.25rem 1rem 3rem;padding-bottom:max(3rem,env(safe-area-inset-bottom,0px));padding-left:max(1rem,env(safe-area-inset-left,0px));padding-right:max(1rem,env(safe-area-inset-right,0px))}@media 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