:root{--asphalt:#16181c;--asphalt-2:#1f2228;--asphalt-3:#2a2e36;--line:#ffd23f;--paint:#f5f4ef;--stop:#d7263d;--go:#2ea84f;--amber:#f2a33a;--muted:#8b909b;--edge:#34394330;--radius:14px;--maxw:760px}*{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%}body{background:var(--asphalt);color:var(--paint);min-height:100vh;padding:22px 16px 60px;font-family:Barlow,system-ui,sans-serif;line-height:1.5}.wrap{max-width:var(--maxw);margin:0 auto}h1,h2,h3,.disp{letter-spacing:.3px;text-transform:uppercase;font-family:Barlow Condensed,Barlow,sans-serif}.road{background:repeating-linear-gradient(90deg,var(--line) 0 34px,transparent 34px 60px);opacity:.9;border-radius:8px;height:8px;margin:18px 0}header{align-items:center;gap:14px;margin-bottom:6px;display:flex}.header-badges{flex-wrap:wrap;align-items:center;gap:8px;margin-left:auto;display:flex}.task-badge{background:var(--stop);color:var(--paint);white-space:nowrap;border-radius:999px;padding:4px 10px;font-family:Barlow Condensed,sans-serif;font-size:11px;font-weight:700}.badge{background:var(--asphalt-2);border:2px solid var(--line);border-radius:12px;flex:none;justify-content:center;align-items:center;width:52px;height:52px;display:flex}.badge .lights{flex-direction:column;gap:4px;display:flex}.badge i{border-radius:50%;width:9px;height:9px;display:block}header h1{font-size:30px;font-weight:700;line-height:.95}header p{color:var(--muted);margin-top:2px;font-size:14px}.eyebrow{color:var(--line);letter-spacing:2px;text-transform:uppercase;font-size:12px;font-weight:700}.grid{grid-template-columns:1fr;gap:12px;margin-top:8px;display:grid}@media (width>=620px){.grid{grid-template-columns:1fr 1fr}}.card{background:var(--asphalt-2);border-radius:var(--radius);cursor:pointer;text-align:left;color:inherit;font:inherit;border:1px solid #343943;width:100%;padding:18px;transition:transform .12s,border-color .12s}.card:hover{border-color:var(--line);transform:translateY(-2px)}.card:focus-visible{outline:3px solid var(--line);outline-offset:2px}.card .k{letter-spacing:2px;color:var(--line);text-transform:uppercase;font-size:11px;font-weight:700}.card h3{margin:6px 0 4px;font-size:21px;font-weight:700}.card small{color:var(--muted);font-size:13.5px;line-height:1.35;display:block}.full{grid-column:1/-1}.card.full{cursor:default}.card.full:hover{border-color:#343943;transform:none}.card-actions{flex-wrap:wrap;align-items:center;gap:12px;margin-top:14px;display:flex}.toggle-row{cursor:pointer;min-width:200px;color:var(--paint);flex:1;align-items:center;gap:10px;font-size:14px;display:flex}.toggle-row input{accent-color:var(--line);flex-shrink:0;width:18px;height:18px}.card-link{color:inherit;text-decoration:none;display:block}.card-link:hover{border-color:var(--line);transform:translateY(-2px)}.mastered{color:var(--go);font-weight:700}.mastered-k{color:var(--go)!important}.weak-k{color:var(--amber)!important}.btn-sm{min-height:36px;padding:8px 12px;font-size:13px}.plan-actions{flex-wrap:wrap;gap:8px;margin-top:8px}.hist-summary{margin-bottom:12px}.hist-list{flex-direction:column;gap:6px;display:flex}.hist-row{background:var(--asphalt);border-radius:8px;flex-wrap:wrap;align-items:center;gap:8px;padding:8px 10px;font-size:13px;display:flex}.hist-date{color:var(--muted);font-variant-numeric:tabular-nums;flex:0 0 88px}.hist-mode{color:var(--paint);flex:1;min-width:100px}.hist-score{font-variant-numeric:tabular-nums;font-weight:700}.hist-score.pass{color:var(--go)}.hist-score.fail{color:var(--stop)}.trend-up{color:var(--go)!important}.trend-down{color:var(--stop)!important}.panel{background:var(--asphalt-2);border-radius:var(--radius);border:1px solid #343943;margin-top:6px;padding:18px}.panel h2{margin-bottom:2px;font-size:18px;font-weight:600}.panel .sub{color:var(--muted);margin-bottom:14px;font-size:13px}.topicrow{align-items:center;gap:10px;margin:9px 0;font-size:14px;display:flex}.topicrow .name{text-transform:none;flex:0 0 42%;font-weight:500}.bar{background:#343943;border-radius:6px;flex:1;height:9px;overflow:hidden}.bar>span{border-radius:6px;height:100%;display:block}.pct{text-align:right;font-variant-numeric:tabular-nums;color:var(--muted);flex:0 0 46px;font-size:13px}.weakflag{color:var(--stop);font-weight:700}.empty{color:var(--muted);padding:6px 0;font-size:14px}.topbar{justify-content:space-between;align-items:center;gap:12px;margin-bottom:6px;display:flex}.topbar .meta{color:var(--muted);font-size:13px;font-weight:500}.timer{font-variant-numeric:tabular-nums;letter-spacing:1px;font-family:Barlow Condensed;font-size:22px;font-weight:700}.timer.warn{color:var(--amber)}.timer.crit{color:var(--stop)}.progress{background:#343943;border-radius:6px;height:6px;margin-bottom:18px;overflow:hidden}.progress>span{background:var(--line);border-radius:6px;height:100%;transition:width .25s;display:block}.qtopic{letter-spacing:1.5px;color:var(--asphalt);background:var(--line);text-transform:uppercase;border-radius:20px;margin-bottom:12px;padding:3px 9px;font-size:11px;font-weight:700;display:inline-block}.qtext{text-transform:none;margin-bottom:16px;font-family:Barlow,sans-serif;font-size:20px;font-weight:600;line-height:1.35}.signal{justify-content:center;margin:0 0 18px;display:flex}.signal svg,.signal img{border-radius:6px;max-width:180px;height:auto}.signal img{background:#fff;padding:6px}.signal-zoom{cursor:pointer;color:inherit;font:inherit;background:0 0;border:1px solid #343943;border-radius:10px;flex-direction:column;align-items:center;gap:6px;padding:8px 12px 10px;transition:border-color .12s,transform .12s;display:flex}.signal-zoom:hover,.signal-zoom:focus-visible{border-color:var(--line);outline:none;transform:scale(1.02)}.signal-zoom img{object-fit:contain;background:#fff;border-radius:6px;width:auto;max-width:180px;height:auto;max-height:140px;padding:6px}.signal-zoom-hint{color:var(--line);letter-spacing:.3px;font-size:12px;font-weight:600}.lightbox{z-index:200;padding:20px;padding-bottom:calc(20px + env(safe-area-inset-bottom));background:#000000e6;flex-direction:column;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.lightbox-open{overflow:hidden}.lightbox-inner{-webkit-overflow-scrolling:touch;flex:1;justify-content:center;align-items:center;width:100%;max-height:calc(100vh - 80px);display:flex;overflow:auto}.lightbox-inner img{object-fit:contain;background:#fff;border-radius:10px;width:auto;max-width:min(95vw,720px);height:auto;max-height:min(85vh,720px);padding:10px;box-shadow:0 8px 32px #00000080}.lightbox-close{top:max(12px,env(safe-area-inset-top));background:var(--asphalt-2);width:44px;height:44px;color:var(--paint);cursor:pointer;z-index:1;border:1px solid #343943;border-radius:50%;font-size:20px;position:absolute;right:12px}.lightbox-hint{color:var(--muted);text-align:center;margin-top:10px;font-size:12px}.rev-sig .signal-zoom img{max-width:120px;max-height:100px}.rev-sig .signal-zoom-hint{font-size:10px}.fc-face .signal-zoom img{max-width:200px;max-height:180px}.opts{flex-direction:column;gap:10px;display:flex}.opt{text-align:left;background:var(--asphalt-2);cursor:pointer;font:inherit;color:inherit;border:1.5px solid #343943;border-radius:12px;align-items:flex-start;gap:12px;width:100%;padding:13px 14px;transition:border-color .1s,background .1s;display:flex}.opt:hover:not(:disabled){border-color:var(--line)}.opt:focus-visible{outline:3px solid var(--line);outline-offset:2px}.opt .let{background:#343943;border-radius:7px;flex:0 0 26px;justify-content:center;align-items:center;height:26px;font-family:Barlow Condensed;font-size:14px;font-weight:700;display:flex}.opt .txt{flex:1;padding-top:1px;font-size:15.5px;line-height:1.35}.opt.correct{border-color:var(--go);background:#2ea84f1f}.opt.correct .let{background:var(--go);color:#08210f}.opt.wrong{border-color:var(--stop);background:#d7263d1f}.opt.wrong .let{background:var(--stop);color:#fff}.opt.chosen{border-color:var(--line)}.opt:disabled{cursor:default}.why{border-left:3px solid var(--line);background:var(--asphalt-2);border-radius:0 10px 10px 0;margin-top:14px;padding:12px 14px;font-size:14.5px;line-height:1.45}.why b{color:var(--line);font-weight:600}.navbtns{gap:10px;margin-top:20px;display:flex}button.btn{letter-spacing:.6px;text-transform:uppercase;cursor:pointer;border:none;border-radius:11px;padding:13px 22px;font-family:Barlow Condensed;font-size:16px;font-weight:700;transition:filter .12s}button.btn:focus-visible{outline:3px solid var(--paint);outline-offset:2px}.btn-primary{background:var(--line);color:var(--asphalt)}.btn-primary:hover{filter:brightness(1.06)}.btn-ghost{color:var(--muted);background:0 0;border:1.5px solid #343943}.btn-ghost:hover{color:var(--paint);border-color:var(--paint)}.spacer{flex:1}.result-head{align-items:center;gap:18px;margin-bottom:8px;display:flex}.semaforo{background:var(--asphalt-3);border:2px solid #11141a;border-radius:14px;flex-direction:column;flex:none;justify-content:space-around;align-items:center;width:58px;height:120px;padding:9px 0;display:flex}.semaforo i{background:#11141a;border-radius:50%;width:30px;height:30px;display:block}.score-big{font-family:Barlow Condensed;font-size:58px;font-weight:700;line-height:.85}.score-big small{color:var(--muted);font-size:22px;font-weight:600}.verdict{text-transform:uppercase;letter-spacing:1px;margin-top:2px;font-family:Barlow Condensed;font-size:20px;font-weight:700}.verdict.pass{color:var(--go)}.verdict.fail{color:var(--stop)}.pillrow{flex-wrap:wrap;gap:8px;margin:14px 0;display:flex}.pill{background:var(--asphalt-2);color:var(--muted);border:1px solid #343943;border-radius:20px;padding:5px 11px;font-size:12.5px}.footnote{color:var(--muted);margin-top:26px;font-size:12.5px;line-height:1.5}.footnote a{color:var(--line)}.hint{color:var(--muted);margin-top:12px;font-size:13px;font-style:italic}.rev-item{background:var(--asphalt-2);border:1px solid #343943;border-radius:12px;margin:12px 0;padding:14px 15px}.rev-item .rt{letter-spacing:1.5px;color:var(--line);text-transform:uppercase;margin-bottom:7px;font-size:10.5px;font-weight:700;display:inline-block}.rev-item .rq{margin-bottom:9px;font-size:15.5px;font-weight:600;line-height:1.35}.rev-item .ra{margin:3px 0;padding-left:20px;font-size:14px;line-height:1.5;position:relative}.rev-item .ra:before{font-weight:700;position:absolute;top:0;left:0}.rev-item .ra.bad{color:#ff8b97}.rev-item .ra.bad:before{content:"✗";color:var(--stop)}.rev-item .ra.good{color:#86e3a0}.rev-item .ra.good:before{content:"✓";color:var(--go)}.rev-item .rw{color:var(--muted);border-top:1px solid #343943;margin-top:7px;padding-top:7px;font-size:13.5px;line-height:1.45}.rev-sig{float:right;max-width:90px;margin:0 0 6px 12px}.rev-sig img{background:#fff;border-radius:6px;max-width:90px;height:auto;padding:4px}.hidden{display:none!important}.center{text-align:center}.ready{letter-spacing:.5px;text-align:center;border-radius:10px;margin-bottom:10px;padding:10px 12px;font-family:Barlow Condensed,sans-serif;font-weight:700}.ready.ok{color:var(--go);border:1px solid var(--go);background:#11331c}.ready.no{color:var(--amber);border:1px solid var(--amber);background:#33210f}.countdown{margin:6px 0;font-family:Barlow Condensed,sans-serif;font-size:18px}.dateinp{background:var(--asphalt-2);color:var(--paint);border:1px solid var(--edge);border-radius:10px;padding:10px;font-size:16px}.streak{background:var(--asphalt-2);border:1px solid var(--amber);color:var(--amber);border-radius:999px;align-items:center;gap:4px;padding:4px 10px;font-family:Barlow Condensed,sans-serif;font-weight:700;display:none}.flashcard{background:var(--asphalt-2);border:1px solid var(--edge);border-radius:var(--radius);cursor:pointer;text-align:center;justify-content:center;align-items:center;min-height:260px;padding:20px;display:flex}.fc-face{flex-direction:column;align-items:center;gap:12px;display:flex}.fc-face img,.fc-face svg{background:#fff;border-radius:8px;max-width:160px;max-height:160px;padding:6px}.fc-back b{color:var(--line);font-size:18px}#flashcards .topbar,#search .topbar{gap:10px;margin-bottom:12px}.sresult{background:var(--asphalt-2);border:1px solid var(--edge);border-radius:12px;margin-bottom:10px;padding:12px}.sresult .why{color:var(--go);background:0 0;border-left:none;border-radius:0;margin-top:6px;padding:0;display:block}body{padding-bottom:calc(72px + env(safe-area-inset-bottom))}.btn,.opt,.card{min-height:44px}.bottomnav{background:var(--asphalt-2);border-top:1px solid var(--edge);padding-bottom:env(safe-area-inset-bottom);z-index:50;display:flex;position:fixed;bottom:0;left:0;right:0}.bottomnav button{color:var(--muted);background:0 0;border:none;flex-direction:column;flex:1;align-items:center;gap:2px;min-height:52px;padding:6px 0;font-family:Barlow,sans-serif;font-size:10px;display:flex}.bottomnav button span{font-size:10px}@media (width>=760px){.bottomnav{display:none}body{padding-bottom:60px}}@media (width<=360px){header h1{font-size:24px}.wrap{padding:0}}