body.st{background:var(--bg)}
.st-wrap{max-width:480px;margin:0 auto;padding:16px 18px calc(16px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:14px;min-height:100dvh}
.st-top{display:flex;align-items:center;gap:8px;padding-top:4px}.st-top h1{font-size:22px}
.st-hello{display:flex;justify-content:space-between;align-items:center}.st-hello h1{font-size:22px}.st-hello p{margin:2px 0 0;font-size:13px}
.st-h{font-size:16px;margin-top:6px}
.st-card{padding:16px;border-radius:20px}
.hero{background:var(--pri);color:#fff;border-radius:20px;padding:20px;display:flex;gap:18px;align-items:center}
.hero-t{font-weight:600;font-size:16px;margin-bottom:6px}.hero-s{font-size:13px;color:#DBEAFE;margin-bottom:2px}
.hero-chip{display:inline-block;margin-top:8px;background:#1D4ED8;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600}
.ring{--p:0;width:92px;height:92px;flex:none;border-radius:50%;display:grid;place-items:center;background:radial-gradient(closest-side,var(--pri) 80%,transparent 81% 100%),conic-gradient(var(--acc) calc(var(--p)*1%),rgba(255,255,255,.18) 0)}
.ring b{font-size:21px}
.ring.big{width:124px;height:124px;background:radial-gradient(closest-side,#fff 83%,transparent 84% 100%),conic-gradient(var(--c,var(--green)) calc(var(--p)*1%),#E2E8F0 0)}.ring.big b{font-size:26px}
.ring.fail{--c:var(--red)}
.big-time{font-size:24px;font-weight:700;letter-spacing:-.01em}
.quick,.modes{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.quick .card,.modes .card{padding:14px;display:flex;flex-direction:column;gap:4px;color:var(--txt);border-radius:16px;text-align:left;font:inherit;cursor:pointer;width:100%}
.quick small,.modes small{color:var(--mut);font-size:12px}
.qi{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;margin-bottom:6px}
.exam-card{background:var(--side);color:#fff;border-radius:20px;padding:20px;display:flex;flex-direction:column;gap:12px}.exam-card h2{font-size:18px}.exam-card p{margin:0;color:var(--mut2);font-size:13px}
.chips{display:flex;gap:8px;flex-wrap:wrap}.chips span{background:#1E293B;color:#E2E8F0;font-size:12px;font-weight:600;padding:5px 10px;border-radius:999px}
.topic-btn{all:unset;display:flex;gap:12px;align-items:center;width:100%;cursor:pointer}
.tabbar{position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid var(--line);display:flex;justify-content:space-around;padding:10px 8px calc(10px + env(safe-area-inset-bottom));z-index:10}
.tabbar a{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11px;font-weight:500;color:var(--mut2);min-width:58px}.tabbar a.on{color:var(--pri);font-weight:600}.tabbar .ic{width:22px;height:22px}
.timer{background:#FEF3C7;color:#B45309;padding:6px 12px;border-radius:999px;font-weight:600;font-size:13px;font-variant-numeric:tabular-nums}.timer.low{background:#FEE2E2;color:#B91C1C}
.qdots{display:flex;gap:6px;overflow-x:auto;padding-bottom:2px}.qdots button{flex:none;width:30px;height:30px;border-radius:8px;border:1px solid var(--line);background:#fff;font:600 11px Inter,sans-serif;color:var(--mut);cursor:pointer}
.qdots button.ok{background:#DCFCE7;border-color:#DCFCE7;color:#15803D}.qdots button.bad{background:#FEE2E2;border-color:#FEE2E2;color:#B91C1C}.qdots button.cur{background:var(--pri);border-color:var(--pri);color:#fff}
.qtext{font-size:18px;line-height:1.4;margin:12px 0 14px}.qimg{width:100%;border-radius:16px;margin-top:12px;background:#DCE3EE;max-height:260px;object-fit:contain}
.opts{display:flex;flex-direction:column;gap:10px}
.opt{display:flex;gap:12px;align-items:center;padding:14px;border-radius:14px;background:#fff;border:1px solid var(--line);font:500 15px Inter,sans-serif;color:var(--txt);text-align:left;cursor:pointer;width:100%}
.opt:hover:not(:disabled){border-color:var(--pri)}.opt:disabled{cursor:default}
.ok-k{width:30px;height:30px;border-radius:8px;background:#F1F5F9;display:grid;place-items:center;font-weight:700;font-size:13px;flex:none}
.opt.ok{background:#F0FDF4;border-color:#86EFAC}.opt.ok .ok-k{background:var(--green);color:#fff}.opt.bad{background:#FEF2F2;border-color:#FCA5A5}.opt.bad .ok-k{background:var(--red);color:#fff}
.exp{background:#FFFBEB;border:1px solid #FDE68A;border-radius:14px;padding:14px;margin-top:12px}.exp b{color:#B45309;font-size:13px}.exp p{margin:6px 0 0;color:#78350F}
.tnav{display:flex;gap:10px;position:sticky;bottom:0;padding:10px 0 4px;background:linear-gradient(transparent,var(--bg) 30%)}.tnav .btn{flex:1;padding:14px}
.mini3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;width:100%}.mini3 div{background:#F8FAFC;border-radius:12px;padding:10px;display:flex;flex-direction:column;gap:2px}.mini3 b{font-size:18px}.mini3 span{font-size:11px;color:var(--mut)}
.wrongq .ans{display:flex;gap:8px;align-items:flex-start;margin-top:6px;font-size:13px}.wrongq .pill{padding:2px 8px;font-size:11px;flex:none}
.days{display:flex;justify-content:space-between;gap:6px}.days a{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 0;border-radius:14px;background:#fff;border:1px solid var(--line);color:var(--txt)}
.days a span{font-size:12px;color:var(--mut)}.days a b{font-size:18px}.days a.on{background:var(--pri);border-color:var(--pri);color:#fff}.days a.on span{color:#BFDBFE}
.slots{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.slot{padding:12px 0;border-radius:12px;background:#fff;border:1px solid var(--line);font:600 14px Inter,sans-serif;color:var(--txt);cursor:pointer}
.slot:disabled{background:#F1F5F9;color:#CBD5E1;text-decoration:line-through;border-color:#F1F5F9;cursor:default}.slot.on{background:var(--pri);border-color:var(--pri);color:#fff}
.test{padding-bottom:0}