:root{--bg:var(--tg-theme-secondary-bg-color,#f1f2f6);--card:var(--tg-theme-section-bg-color,var(--tg-theme-bg-color,#fff));--text:var(--tg-theme-text-color,#111418);--hint:var(--tg-theme-hint-color,#8a8f98);--link:var(--tg-theme-link-color,#2a7de1);--accent:var(--tg-theme-button-color,#2a7de1);--accent-text:var(--tg-theme-button-text-color,#fff);--danger:var(--tg-theme-destructive-text-color,#e5484d);--ok:#2fa84f;--warn:#f5a524;--line:color-mix(in srgb, var(--hint) 22%, transparent);--soft:color-mix(in srgb, var(--accent) 12%, transparent);--radius:14px;--tabbar:62px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}:root:not([data-tg]){--bg:#0f1115;--card:#1a1d23;--text:#eceef2;--hint:#8b919c}}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{background:var(--bg);color:var(--text);margin:0}body{-webkit-font-smoothing:antialiased;overscroll-behavior:none;font:15px/1.45 -apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,sans-serif}button{font:inherit;color:inherit}.page{padding:12px 16px calc(var(--tabbar) + 20px + env(safe-area-inset-bottom));max-width:640px;margin:0 auto;animation:.18s ease-out fade}.page.no-tabs{padding-bottom:calc(24px + env(safe-area-inset-bottom))}@keyframes fade{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}h1{letter-spacing:-.01em;margin:6px 2px 12px;font-size:22px}h2{text-transform:uppercase;letter-spacing:.04em;color:var(--hint);margin:18px 4px 8px;font-size:13px;font-weight:600}.sub{color:var(--hint);font-size:13px}.row{align-items:center;gap:10px;display:flex}.between{justify-content:space-between}.grow{flex:1;min-width:0}.ellipsis{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.mt{margin-top:10px}.card{background:var(--card);border-radius:var(--radius);margin-bottom:10px;padding:14px}.card.tap{cursor:pointer;transition:transform 80ms}.card.tap:active{transform:scale(.985)}.list{background:var(--card);border-radius:var(--radius);margin-bottom:10px;overflow:hidden}.list>.item{align-items:center;gap:12px;padding:12px 14px;display:flex}.list>.item+.item{border-top:1px solid var(--line)}.list>.item.tap:active{background:var(--soft)}.hero{background:linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 60%, #7b3fe4));color:var(--accent-text)}.hero .sub{color:color-mix(in srgb, var(--accent-text) 80%, transparent)}.btn{cursor:pointer;background:var(--accent);color:var(--accent-text);border:0;border-radius:12px;justify-content:center;align-items:center;gap:6px;width:100%;padding:12px 16px;font-weight:600;transition:opacity .15s,transform 80ms;display:inline-flex}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.5}.btn.secondary{background:var(--soft);color:var(--accent)}.btn.light{background:color-mix(in srgb, var(--accent-text) 22%, transparent);color:var(--accent-text)}.btn.small{border-radius:10px;width:auto;padding:7px 12px;font-size:13px}.link{color:var(--link);cursor:pointer;background:0 0;border:0;padding:0;font-size:14px}.bar{background:var(--line);border-radius:99px;height:6px;overflow:hidden}.bar>i{background:var(--accent);border-radius:99px;height:100%;transition:width .4s;display:block}.bar.ok>i{background:var(--ok)}.pct{font-variant-numeric:tabular-nums;text-align:right;min-width:42px;font-weight:700}.stats{grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px;display:grid}.stat{background:var(--soft);text-align:center;border-radius:12px;padding:10px}.stat b{font-size:18px;display:block}.stat span{color:var(--hint);font-size:12px}.chips{scrollbar-width:none;gap:8px;padding:2px 0 10px;display:flex;overflow-x:auto}.chip{cursor:pointer;background:var(--card);color:var(--text);border:0;border-radius:99px;flex:none;padding:7px 13px;font-size:13px}.chip.on{background:var(--accent);color:var(--accent-text)}.seg{background:var(--card);border-radius:12px;margin-bottom:12px;padding:3px;display:flex}.seg button{cursor:pointer;background:0 0;border:0;border-radius:10px;flex:1;padding:8px;font-weight:500}.seg button.on{background:var(--accent);color:var(--accent-text)}.search{background:var(--card);width:100%;color:var(--text);font:inherit;border:0;border-radius:12px;outline:none;margin-bottom:10px;padding:11px 14px}.badge-dot{background:var(--soft);color:var(--accent);border-radius:99px;padding:2px 7px;font-size:11px;font-weight:600}.badge-dot.red{background:color-mix(in srgb, var(--danger) 14%, transparent);color:var(--danger)}.medal{text-align:center;font-variant-numeric:tabular-nums;width:28px;font-weight:700}.me{background:var(--soft)}.q-head{justify-content:space-between;align-items:center;margin:4px 2px 10px;display:flex}.q-progress{gap:4px;margin-bottom:14px;display:flex}.q-progress i{background:var(--line);border-radius:99px;flex:1;height:4px}.q-progress i.ok{background:var(--ok)}.q-progress i.bad{background:var(--danger)}.q-progress i.cur{background:var(--accent)}.q-text{white-space:pre-wrap;margin:0 0 16px;font-size:18px;font-weight:600;line-height:1.4}.opt{text-align:left;background:var(--card);cursor:pointer;border:2px solid #0000;border-radius:14px;align-items:flex-start;gap:12px;width:100%;margin-bottom:8px;padding:13px 14px;transition:border-color .15s,background .15s;display:flex}.opt .l{background:var(--soft);width:26px;height:26px;color:var(--accent);border-radius:8px;flex:none;place-items:center;font-size:13px;font-weight:700;display:grid}.opt:disabled{cursor:default}.opt.right{border-color:var(--ok);background:color-mix(in srgb, var(--ok) 10%, var(--card))}.opt.right .l{background:var(--ok);color:#fff}.opt.wrong{border-color:var(--danger);background:color-mix(in srgb, var(--danger) 9%, var(--card))}.opt.wrong .l{background:var(--danger);color:#fff}.opt.dim{opacity:.55}.explain{border-left:3px solid var(--accent)}.footer-btn{bottom:calc(10px + env(safe-area-inset-bottom));margin-top:6px;position:sticky}.big-emoji{text-align:center;margin:10px 0 0;font-size:54px}.center{text-align:center}.qa summary{cursor:pointer;gap:10px;font-weight:600;list-style:none;display:flex}.qa summary::-webkit-details-marker{display:none}.qa summary:after{content:"＋";color:var(--hint);margin-left:auto}.qa[open] summary:after{content:"－"}.qa .ans{border-top:1px solid var(--line);white-space:pre-wrap;margin-top:10px;padding-top:10px}.badges{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.bdg{background:var(--card);text-align:center;border-radius:12px;padding:10px 6px}.bdg .i{font-size:26px}.bdg .n{margin-top:2px;font-size:12px;font-weight:600}.bdg.off{opacity:.35;filter:grayscale()}.tabbar{z-index:10;background:color-mix(in srgb, var(--card) 92%, transparent);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom));justify-content:space-around;display:flex;position:fixed;bottom:0;left:0;right:0}.tabbar button{cursor:pointer;color:var(--hint);background:0 0;border:0;flex-direction:column;flex:1;align-items:center;gap:2px;padding:4px 0;font-size:11px;font-weight:500;display:flex}.tabbar button svg{width:24px;height:24px}.tabbar button.on{color:var(--accent)}.skel{background:linear-gradient(90deg, var(--card) 25%, color-mix(in srgb, var(--hint) 12%, var(--card)) 50%, var(--card) 75%);border-radius:var(--radius);background-size:200% 100%;margin-bottom:10px;animation:1.2s infinite sh}@keyframes sh{to{background-position:-200% 0}}.empty{text-align:center;color:var(--hint);padding:30px 16px}.empty .e{margin-bottom:6px;font-size:40px}.toast{left:16px;right:16px;bottom:calc(var(--tabbar) + 16px);z-index:20;background:var(--text);color:var(--card);text-align:center;border-radius:12px;padding:12px 14px;font-weight:500;animation:.2s ease-out fade;position:fixed}