:root{--bg:#f3f5f2;--surface:#fff;--ink:#17201c;--muted:#69756f;--line:#dfe5e1;--brand:#315f4d;--brand2:#e5efe9;--warn:#ae6a2c;--danger:#a64949;--shadow:0 12px 34px rgba(25,49,39,.08)}
[data-theme=dark]{--bg:#121815;--surface:#1b2420;--ink:#edf3ef;--muted:#9ca9a2;--line:#35423c;--brand:#7fbea1;--brand2:#283b32;--shadow:none}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 Inter,Segoe UI,Arial,sans-serif}.app{display:grid;grid-template-columns:240px 1fr;min-height:100vh}aside{position:sticky;top:0;height:100vh;background:#193329;color:#edf4f0;padding:28px 18px;display:flex;flex-direction:column}.brand{display:flex;gap:12px;align-items:center;padding:0 8px 28px}.mark{width:38px;height:38px;border-radius:12px;background:#d8eadf;color:#244d3d;display:grid;place-items:center;font:700 22px Georgia}.brand b{font-size:17px}.brand small{display:block;color:#a8beb4;font-size:11px}nav{display:grid;gap:6px}button{font:inherit;cursor:pointer;border:0}nav button{color:#bed0c8;background:transparent;text-align:left;border-radius:10px;padding:11px 13px;display:flex;gap:12px;align-items:center}nav button:hover,nav button.active{background:#29483b;color:white}nav i{margin-left:auto;background:#d8eadf;color:#244d3d;border-radius:20px;padding:1px 7px;font-style:normal;font-size:11px}.privacy{margin-top:auto;color:#92aa9f;font-size:11px;padding:10px}main{padding:34px 4vw 64px;max-width:1500px;width:100%}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}h1,h2,h3,p{margin-top:0}h1{font:600 30px/1.2 Georgia,serif;margin-bottom:0}.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-size:10px;color:var(--muted);margin-bottom:6px}.header-actions{display:flex;gap:10px}.primary,.secondary,.icon{padding:10px 15px;border-radius:10px}.primary{background:var(--brand);color:white}.secondary{background:var(--brand2);color:var(--brand)}.icon{background:var(--surface);color:var(--ink);border:1px solid var(--line)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.stat,.panel{background:var(--surface);border:1px solid var(--line);border-radius:15px;padding:20px;box-shadow:var(--shadow)}.stat b{font:600 28px Georgia}.stat span{display:block;color:var(--muted);font-size:12px}.columns{display:grid;grid-template-columns:1.5fr 1fr;gap:18px}.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.panel-head h2{font:600 19px Georgia;margin:0}.list{display:grid;gap:9px}.item{border:1px solid var(--line);border-radius:11px;padding:13px;display:flex;gap:12px;align-items:center}.item .grow{flex:1;min-width:0}.item b{display:block}.item small,.muted{color:var(--muted)}.pill{font-size:11px;padding:4px 8px;border-radius:20px;background:var(--brand2);color:var(--brand);white-space:nowrap}.progress{height:7px;background:var(--line);border-radius:8px;overflow:hidden}.progress i{display:block;height:100%;background:var(--brand)}.hero{background:linear-gradient(120deg,#254d3d,#3d715d);color:#fff;border-radius:17px;padding:24px;margin-bottom:18px;display:flex;justify-content:space-between;align-items:center}.hero p{color:#c7dbd2;margin:4px 0 0}.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}.toolbar input,.toolbar select{max-width:260px}.search{flex:1;min-width:210px}input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--ink);font:inherit}label{display:grid;gap:6px;color:var(--muted);font-size:12px;margin-bottom:14px}.latin{font-family:Georgia,serif;font-style:italic}.empty{text-align:center;color:var(--muted);padding:40px 10px}.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:13px}.question-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px}.question-card h3{margin:8px 0;font-size:16px}.meta{display:flex;gap:7px;flex-wrap:wrap}.card-actions{display:flex;gap:8px;margin-top:15px}.review-card{max-width:680px;margin:30px auto;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:35px;text-align:center;box-shadow:var(--shadow)}.review-card .face{font:600 28px Georgia;min-height:110px;display:grid;place-items:center}.answer{border-top:1px solid var(--line);padding:25px;margin-top:10px;font-size:21px}.ratings{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.ratings button{padding:12px 5px;border-radius:9px;background:var(--brand2);color:var(--brand)}dialog{width:min(650px,calc(100% - 24px));border:0;border-radius:18px;background:var(--surface);color:var(--ink);padding:0;box-shadow:0 30px 80px #0005}dialog::backdrop{background:#10201999}dialog form{padding:25px}.dialog-head,.dialog-actions{display:flex;justify-content:space-between;align-items:center}.dialog-actions{justify-content:flex-end;gap:10px;margin-top:20px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}#toast{position:fixed;right:25px;bottom:25px;background:var(--ink);color:var(--surface);padding:12px 18px;border-radius:10px;opacity:0;transform:translateY(10px);transition:.2s;pointer-events:none}#toast.show{opacity:1;transform:none}.danger{color:var(--danger)}
.detail-dialog{width:min(920px,calc(100% - 24px));max-height:92vh}.detail-dialog>div{padding:26px}.detail-top{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;position:sticky;top:0;background:var(--surface);z-index:2;padding-bottom:14px;border-bottom:1px solid var(--line)}.detail-top h2{font:600 25px/1.3 Georgia;margin:4px 0}.study-tabs{display:flex;gap:6px;flex-wrap:wrap;margin:18px 0}.study-tabs button{padding:9px 13px;border-radius:9px;background:var(--bg);color:var(--muted)}.study-tabs button.active{background:var(--brand2);color:var(--brand);font-weight:600}.study-pane{display:none}.study-pane.active{display:block}.study-text{white-space:pre-wrap;font-size:16px;line-height:1.72}.formula{background:var(--brand2);border-left:4px solid var(--brand);padding:18px;border-radius:0 12px 12px 0;font-size:18px}.self-check{background:#f6efe4;color:#6f4b27;padding:16px;border-radius:12px;margin-top:18px}.detail-footer{display:flex;gap:10px;align-items:center;justify-content:space-between;position:sticky;bottom:0;background:var(--surface);padding-top:16px;border-top:1px solid var(--line);margin-top:22px}.status-actions{display:flex;gap:6px;flex-wrap:wrap}.status-actions button{padding:8px 10px;border-radius:8px;background:var(--bg);color:var(--muted)}.question-card.heavy{border-top:4px solid var(--warn)}.content-ready{color:var(--brand);font-size:12px;font-weight:600}
.course-banner{background:var(--surface);border:2px solid var(--brand);border-radius:17px;padding:20px 22px;margin-bottom:18px;display:flex;justify-content:space-between;align-items:center;gap:18px}.course-banner h2{margin:3px 0;font:600 20px Georgia}.course-banner p{margin:0;color:var(--muted)}
.question-card.current{border:2px solid var(--brand);box-shadow:0 0 0 4px var(--brand2)}.question-card.locked{opacity:.58;background:var(--bg)}.question-card.locked h3{color:var(--muted)}.current-label{color:var(--brand);font-size:12px;font-weight:700}.lock-label{color:var(--muted);font-size:12px}.locked-button{cursor:not-allowed}.task-locked{opacity:.58}
.anatomy-figure{margin:0;display:grid;gap:12px}.anatomy-figure img{display:block;width:100%;max-height:500px;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:14px;padding:8px;cursor:zoom-in}.anatomy-figure img.zoomed{max-height:none;cursor:zoom-out}.anatomy-figure figcaption{display:grid;gap:3px}.anatomy-figure figcaption small,.anatomy-figure figcaption em{color:var(--muted);font-size:12px}.anatomy-figure figcaption em{font-style:normal}.anatomy-figure a{color:var(--brand)}
@media(max-width:800px){.app{grid-template-columns:1fr}aside{position:fixed;z-index:10;bottom:0;top:auto;width:100%;height:66px;padding:8px}.brand,.privacy{display:none}nav{display:flex;justify-content:space-around}nav button{padding:9px;display:grid;text-align:center;gap:0;font-size:16px}nav button span{font-size:9px}nav i{display:none}main{padding:24px 16px 90px}.stats{grid-template-columns:1fr 1fr}.columns{grid-template-columns:1fr}.primary[data-open=questionModal]{font-size:0}.primary[data-open=questionModal]::after{content:'+';font-size:20px}.grid2{grid-template-columns:1fr}.hero,.course-banner{align-items:flex-start;gap:14px;flex-direction:column}.ratings{grid-template-columns:1fr 1fr}.detail-dialog>div{padding:16px}.detail-footer{align-items:flex-start;flex-direction:column}.study-text{font-size:15px}}

/* Не позволяем прокручиваемому нижнему меню расширять мобильную страницу. */
body{overflow-x:hidden}main{min-width:0}
@media(max-width:800px){.app{grid-template-columns:minmax(0,1fr);width:100%}aside{overflow:hidden}aside nav{width:100%;max-width:100%}}