:root{--bg: var(--tg-theme-bg-color, #0e1621);--surface: var(--tg-theme-secondary-bg-color, #17212b);--surface2: color-mix(in srgb, var(--ink) 9%, var(--surface));--ink: var(--tg-theme-text-color, #f5f5f5);--hint: var(--tg-theme-hint-color, #708499);--link: var(--tg-theme-link-color, #64b5ef);--btn: var(--tg-theme-button-color, #5288c1);--btn-ink: var(--tg-theme-button-text-color, #ffffff);--amber: #ffb020;--ok: #4cd97b;--bad: #ff6b6b;--hairline: color-mix(in srgb, var(--ink) 7%, transparent)}:root[data-scheme=light]{--amber: #d98a00;--ok: #22a45d;--bad: #de4f4f}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:-apple-system,SF Pro Text,Roboto,Segoe UI,system-ui,sans-serif;font-size:15px;line-height:1.4;overscroll-behavior:none}.mono{font-family:ui-monospace,SF Mono,JetBrains Mono,Menlo,monospace}button{font:inherit;border:0;background:none;color:inherit;padding:0;cursor:pointer}button:focus-visible{outline:2px solid var(--link);outline-offset:2px;border-radius:8px}.app{max-width:480px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;padding:0 14px calc(84px + env(safe-area-inset-bottom))}.appbar{display:flex;align-items:center;gap:10px;padding:12px 2px 10px}.appbar .title{font-weight:700;font-size:17px}.appbar .spacer{flex:1}.iconbtn{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;color:var(--hint);background:var(--surface)}.backbtn{color:var(--hint);font-size:24px;line-height:1;padding:0 6px 2px 0}.pill{display:inline-flex;align-items:center;gap:5px;font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:12.5px;background:var(--surface);color:var(--ink);border-radius:999px;padding:5px 11px;white-space:nowrap}.pill .zap{color:var(--amber)}.pill.dead,.pill.dead .zap{color:var(--bad)}.card{background:var(--surface);border-radius:16px;padding:14px}.stack{display:flex;flex-direction:column;gap:12px}.label{font-family:ui-monospace,Menlo,monospace;font-size:11px;letter-spacing:.12em;color:var(--hint);text-transform:uppercase;padding:4px 4px 0}.quip{color:var(--hint);font-size:12.5px;font-style:italic}.hairline-top{border-top:1px solid var(--hairline)}.streak{display:flex;gap:14px;align-items:center}.flame{color:var(--amber);display:flex;filter:drop-shadow(0 2px 10px rgba(255,176,32,.3))}.streak .num{font-family:ui-monospace,Menlo,monospace;font-size:22px;font-weight:700}.streak .num small{font-size:13px;font-weight:400;color:var(--hint)}.week{display:flex;gap:6px;margin-top:6px}.day{width:10px;height:10px;border-radius:50%;background:var(--surface2)}.day.on{background:var(--amber)}.day.today{outline:2px solid var(--amber);outline-offset:2px}.map{display:flex;flex-direction:column}.trow{display:flex;align-items:center;gap:10px;padding:9px 2px}.trow+.trow{border-top:1px solid var(--hairline)}.tname{width:122px;font-size:13px;flex:none}.bar{flex:1;height:6px;border-radius:3px;background:var(--surface2);overflow:hidden}.bar i{display:block;height:100%;border-radius:3px}.pct{width:42px;text-align:right;flex:none;font-family:ui-monospace,Menlo,monospace;font-size:12px;color:var(--hint)}.hole{font-size:10px;font-family:ui-monospace,Menlo,monospace;color:var(--bad);border:1px solid var(--bad);border-radius:4px;padding:1px 5px}.row-link{display:flex;align-items:center;gap:10px;padding:13px 14px;background:var(--surface);border-radius:16px;width:100%;text-align:left;color:var(--ink);font-size:14.5px}.row-link .ric{color:var(--hint);display:flex}.row-link .chev{margin-left:auto;color:var(--hint)}.lock{font-size:10px;font-family:ui-monospace,Menlo,monospace;color:var(--amber);border:1px solid var(--amber);border-radius:4px;padding:1px 5px}.qprogress{display:flex;align-items:center;gap:10px;padding:2px 4px}.qbar{flex:1;height:4px;background:var(--surface2);border-radius:2px}.qbar i{display:block;height:100%;background:var(--amber);border-radius:2px;transition:width .25s}.qn{font-family:ui-monospace,Menlo,monospace;font-size:12px;color:var(--hint)}.chip{align-self:flex-start;font-family:ui-monospace,Menlo,monospace;font-size:11.5px;color:var(--hint);background:var(--surface);padding:4px 10px;border-radius:6px}.question{font-size:16.5px;font-weight:700;line-height:1.35;padding:2px 4px;text-wrap:balance}.opts{display:flex;flex-direction:column;gap:8px}.opt{display:flex;gap:10px;align-items:flex-start;text-align:left;width:100%;background:var(--surface);border:1px solid transparent;border-radius:13px;padding:11px 12px;font-size:13.5px;line-height:1.35;color:var(--ink);transition:border-color .15s,opacity .2s}.opt .key{font-family:ui-monospace,Menlo,monospace;font-size:12px;flex:none;width:22px;height:22px;border-radius:6px;background:var(--surface2);display:grid;place-items:center;color:var(--hint)}.opt.right{border-color:var(--ok)}.opt.right .key{background:var(--ok);color:#08130c}.opt.wrong{border-color:var(--bad)}.opt.wrong .key{background:var(--bad);color:#1a0b0b}.opt.dim{opacity:.55}.opt:disabled{cursor:default}.explain{border-left:3px solid var(--ok)}.explain.was-wrong{border-left-color:var(--bad)}.explain .label{padding:0 0 6px}.explain p{margin:0;font-size:13.5px;line-height:1.45}.srs-note{display:flex;gap:8px;align-items:center;margin-top:10px;font-family:ui-monospace,Menlo,monospace;font-size:12px;color:var(--amber)}.result-center{text-align:center;padding:26px 6px 10px}.result-score{font-family:ui-monospace,Menlo,monospace;font-size:42px;font-weight:700}.result-score small{font-size:20px;color:var(--hint);font-weight:400}.result-h{font-size:19px;font-weight:700;margin-top:6px}.result-sub{color:var(--hint);font-size:13.5px;max-width:34ch;margin:6px auto 0}.stat-row{display:flex;gap:10px}.stat{flex:1;background:var(--surface);border-radius:14px;padding:12px;text-align:center}.stat .v{font-family:ui-monospace,Menlo,monospace;font-size:18px;font-weight:700}.stat .v.amber{color:var(--amber)}.stat .v.bad{color:var(--bad)}.stat .k{font-size:11px;color:var(--hint);margin-top:3px}.pw-center{text-align:center;padding:22px 6px 6px}.pw-zap{color:var(--amber);opacity:.85}.pw-count{font-family:ui-monospace,Menlo,monospace;font-size:30px;font-weight:700;margin:8px 0 2px}.pw-count .dead{color:var(--bad)}.pw-count .lim{color:var(--hint);font-size:18px;font-weight:400}.pw-h{font-size:19px;font-weight:700;margin:8px 0 4px}.pw-sub{color:var(--hint);font-size:13px;max-width:30ch;margin:0 auto}.premium{border:1px solid rgba(255,176,32,.45);box-shadow:inset 0 0 24px #ffb0200f}.premium .phead{display:flex;align-items:baseline;gap:8px;margin-bottom:8px}.premium .phead b{font-size:16px}.premium .price{margin-left:auto;font-family:ui-monospace,Menlo,monospace;font-size:15px;color:var(--amber)}.feat{display:flex;gap:9px;font-size:13.5px;padding:5px 0;align-items:baseline}.feat .ok-mark{color:var(--ok);font-family:ui-monospace,Menlo,monospace}.pw-alt{text-align:center;font-size:12.5px;color:var(--link);padding:4px 0 6px}.linklike{color:var(--link);font-size:inherit}.onb{flex:1;display:flex;flex-direction:column;justify-content:center;text-align:center;gap:14px;padding:24px 10px}.onb .big-icon{color:var(--amber);display:flex;justify-content:center;filter:drop-shadow(0 4px 18px rgba(255,176,32,.35))}.onb h1{font-size:24px;margin:0;text-wrap:balance}.onb p{color:var(--hint);margin:0 auto;max-width:34ch;font-size:14.5px}.dots{display:flex;gap:6px;justify-content:center;padding-top:8px}.dots .d{width:7px;height:7px;border-radius:50%;background:var(--surface2)}.dots .d.on{background:var(--amber)}.kv{display:flex;align-items:center;gap:10px;padding:12px 2px}.kv+.kv{border-top:1px solid var(--hairline)}.kv .k{color:var(--hint);font-size:13.5px}.kv .v{margin-left:auto;font-family:ui-monospace,Menlo,monospace;font-size:13.5px}.switch{position:relative;width:44px;height:26px;border-radius:13px;background:var(--surface2);transition:background .2s;margin-left:auto;flex:none}.switch.on{background:var(--ok)}.switch:after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:transform .2s}.switch.on:after{transform:translate(18px)}.fav-item{padding:0;overflow:hidden}.fav-item summary{list-style:none;display:flex;gap:10px;align-items:center;padding:13px 14px;cursor:pointer;font-size:13.5px}.fav-item summary::-webkit-details-marker{display:none}.fav-body{padding:0 14px 14px;display:flex;flex-direction:column;gap:8px}.actionbar{position:fixed;bottom:0;left:0;right:0;z-index:10;background:linear-gradient(180deg,transparent,var(--bg) 38%);padding:18px 14px calc(12px + env(safe-area-inset-bottom))}.actionbar .inner{max-width:480px;margin:0 auto;display:flex;flex-direction:column;gap:8px}.mainbtn{background:var(--btn);color:var(--btn-ink);text-align:center;font-weight:600;padding:15px;font-size:15px;border-radius:12px;width:100%;transition:opacity .15s,transform .05s}.mainbtn:active{transform:scale(.99)}.mainbtn:disabled{opacity:.45;cursor:default}.mainbtn.amber{background:linear-gradient(180deg,#ffb020,#f09a00);color:#221600}.mainbtn.ghost{background:var(--surface);color:var(--ink)}.splash{flex:1;display:grid;place-items:center;min-height:70vh}.splash .flame{animation:breathe 1.6s ease-in-out infinite}@keyframes breathe{50%{opacity:.55;transform:scale(.94)}}@media (prefers-reduced-motion: reduce){.splash .flame{animation:none}}.empty{text-align:center;color:var(--hint);padding:48px 20px;font-size:14px}.error-box{text-align:center;color:var(--bad);padding:40px 20px;font-size:14px}