:root{--bg:#f4f6f2;--surface:#fff;--ink:#1a2e22;--muted:#6b7d70;--brand:#14532d;--brand-soft:#e5f2e9;--accent:#d97706;--radius:16px;--nav-h:64px;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme:dark){:root{--bg:#101613;--surface:#1a231e;--ink:#e7efe9;--muted:#8fa396;--brand:#4ade80;--brand-soft:#1e2f25}}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{background:var(--bg);color:var(--ink);-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:none}.app,.login{background:var(--bg);max-width:480px;min-height:100dvh;margin:0 auto}@media (width>=481px){body{background:#0b0f0d}.app,.login{box-shadow:0 0 40px #0006}}.screen{padding:16px 16px calc(var(--nav-h) + 24px)}.muted{color:var(--muted)}.center{text-align:center;padding:24px 0}.small{font-size:.8rem}.pulse{animation:1.4s ease-in-out infinite pulse}@keyframes pulse{50%{opacity:.45}}.login{flex-direction:column;justify-content:center;gap:32px;padding:32px 24px;display:flex}.login-hero{text-align:center}.login-logo{font-size:64px}.login-hero h1{color:var(--brand);letter-spacing:.02em;font-size:2.4rem}.login-tagline{margin-top:4px;font-weight:600}.login-sub{color:var(--muted);font-size:.9rem}.login-form{flex-direction:column;gap:16px;display:flex}.login-form label{color:var(--muted);flex-direction:column;gap:6px;font-size:.85rem;font-weight:600;display:flex}.login-form input{font:inherit;border:1.5px solid color-mix(in srgb, var(--muted) 35%, transparent);background:var(--surface);color:var(--ink);border-radius:12px;padding:14px 16px}.login-form input:focus{outline:2px solid var(--brand);border-color:#0000}.login-error{color:#dc2626;font-size:.85rem}.btn-primary{background:var(--brand);color:#fff;border-radius:999px;padding:14px 20px;font-size:1rem;font-weight:700}@media (prefers-color-scheme:dark){.btn-primary{color:#0c1a11}}.btn-ghost{color:var(--muted);border:1px solid color-mix(in srgb, var(--muted) 35%, transparent);border-radius:999px;padding:8px 12px;font-size:.85rem}.app-header{justify-content:space-between;align-items:center;padding:8px 0 20px;display:flex}.app-title{color:var(--brand);font-size:1.6rem}.app-greeting{color:var(--muted);font-size:.9rem}.category-grid{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}.category-card{border-radius:var(--radius);background:linear-gradient(145deg, hsl(var(--hue) 45% 96%), hsl(var(--hue) 40% 90%));border:1px solid hsl(var(--hue) 35% 85%);text-align:left;flex-direction:column;align-items:flex-start;gap:6px;padding:16px 14px;transition:transform .1s;display:flex;position:relative}.category-card:active{transform:scale(.97)}@media (prefers-color-scheme:dark){.category-card{background:linear-gradient(145deg, hsl(var(--hue) 25% 16%), hsl(var(--hue) 30% 12%));border-color:hsl(var(--hue) 25% 22%)}}.category-emoji{font-size:30px}.category-title{font-size:.95rem;font-weight:700;line-height:1.25}.category-count{color:var(--muted);font-size:.75rem}.badge-new{background:var(--accent);color:#fff;letter-spacing:.06em;border-radius:999px;padding:3px 7px;font-size:.6rem;font-weight:800;position:absolute;top:10px;right:10px}.badge-new.inline{margin-bottom:6px;display:inline-block;position:static}.feed-header{align-items:center;gap:12px;padding:8px 0 18px;display:flex}.btn-back{background:var(--surface);border-radius:12px;flex-shrink:0;width:40px;height:40px;font-size:1.8rem;line-height:1;box-shadow:0 1px 4px #00000014}.feed-emoji{font-size:30px}.feed-titles h2{font-size:1.05rem;line-height:1.3}.feed-titles p{color:var(--muted);font-size:.8rem}.feed-list{flex-direction:column;gap:14px;display:flex}.widget-card{background:var(--surface);border-radius:var(--radius);overflow:hidden;box-shadow:0 1px 4px #0000000f}.widget-media{background:linear-gradient(135deg, hsl(var(--hue) 50% 88%), hsl(calc(var(--hue) + 40) 45% 80%));flex-direction:column;justify-content:center;align-items:center;gap:8px;height:130px;display:flex}@media (prefers-color-scheme:dark){.widget-media{background:linear-gradient(135deg, hsl(var(--hue) 30% 20%), hsl(calc(var(--hue) + 40) 30% 14%))}}.widget-media-emoji{font-size:40px}.widget-type{text-transform:uppercase;letter-spacing:.08em;color:var(--ink);background:color-mix(in srgb, var(--surface) 75%, transparent);border-radius:999px;padding:4px 10px;font-size:.7rem;font-weight:700}.widget-body{padding:14px 16px 16px}.widget-body h3{font-size:.95rem;line-height:1.35}.widget-body p{color:var(--muted);margin-top:6px;font-size:.85rem;line-height:1.45}.people-list{flex-direction:column;gap:10px;list-style:none;display:flex}.person{background:var(--surface);border-radius:var(--radius);align-items:center;gap:12px;padding:12px 14px;display:flex}.person-avatar{background:var(--brand-soft);width:42px;height:42px;color:var(--brand);border-radius:50%;place-items:center;font-weight:800;display:grid}.person-info{flex-direction:column;flex:1;display:flex}.person-name{font-size:.95rem;font-weight:600}.person-since{color:var(--muted);font-size:.75rem}.person-dot{background:#22c55e;border-radius:50%;width:10px;height:10px}.game-list{flex-direction:column;gap:12px;display:flex}.game-card{border-radius:var(--radius);background:linear-gradient(145deg, hsl(var(--hue) 45% 96%), hsl(var(--hue) 40% 90%));border:1px solid hsl(var(--hue) 35% 85%);text-align:left;align-items:center;gap:16px;padding:18px 16px;display:flex}@media (prefers-color-scheme:dark){.game-card{background:linear-gradient(145deg, hsl(var(--hue) 25% 16%), hsl(var(--hue) 30% 12%));border-color:hsl(var(--hue) 25% 22%)}}.game-emoji{font-size:34px}.game-card h3{font-size:1rem}.game-card p{color:var(--muted);margin-top:2px;font-size:.82rem}.game-screen{flex-direction:column;gap:16px;display:flex}.banner-win{background:var(--brand-soft);color:var(--brand);text-align:center;border-radius:12px;padding:12px;font-weight:700}.sudoku-grid{background:var(--surface);border:2px solid var(--ink);border-radius:8px;grid-template-columns:repeat(9,1fr);display:grid;overflow:hidden}.sudoku-cell{aspect-ratio:1;border-right:1px solid color-mix(in srgb, var(--muted) 30%, transparent);border-bottom:1px solid color-mix(in srgb, var(--muted) 30%, transparent);color:var(--brand);place-items:center;font-size:clamp(.9rem,4vw,1.2rem);font-weight:500;display:grid}.sudoku-cell.given{color:var(--ink);font-weight:800}.sudoku-cell.selected{background:var(--brand-soft);outline:2px solid var(--brand);outline-offset:-2px}.sudoku-cell.wrong{color:#dc2626}.sudoku-cell.br{border-right:2px solid var(--ink)}.sudoku-cell.bb{border-bottom:2px solid var(--ink)}.sudoku-pad{grid-template-columns:repeat(5,1fr);gap:8px;display:grid}.pad-btn{background:var(--surface);border-radius:10px;padding:12px 0;font-size:1.1rem;font-weight:700;box-shadow:0 1px 3px #00000014}.pad-btn:active{background:var(--brand-soft)}.ttt-lobby{flex-direction:column;gap:16px;padding-top:24px;display:flex}.ttt-meta{color:var(--muted);justify-content:space-between;font-weight:600;display:flex}.ttt-meta .me{color:var(--brand)}.ttt-status{text-align:center;font-weight:700}.ttt-grid{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.ttt-cell{aspect-ratio:1;background:var(--surface);color:var(--brand);border-radius:14px;font-size:2.6rem;font-weight:700;box-shadow:0 1px 4px #00000014}.bottom-nav{width:100%;max-width:480px;height:calc(var(--nav-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:color-mix(in srgb, var(--surface) 92%, transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid color-mix(in srgb, var(--muted) 20%, transparent);display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.nav-btn{color:var(--muted);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;display:flex}.nav-btn.active{color:var(--brand)}.nav-icon{font-size:22px}.nav-label{font-size:.7rem;font-weight:600}