:root{--ink:#1b1b1f;--soft:#55555e;--muted:#8a8a94;--blue:#5f8a28;--blue-deep:#4c6f1f;--blue-tint:#eef5df;--bg:#f4f5f9;--card:#fff;--line:#e6e6ec;--good:#1f7a44;--good-bg:#e7f4ec;--bad:#c0322b;--bad-bg:#fbeceb;--sans:-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;line-height:1.5}a{color:var(--blue);text-decoration:none}.center{min-height:100vh;display:grid;place-items:center;padding:24px}.muted{color:var(--muted)}.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card{background:var(--card);border-radius:18px;box-shadow:0 18px 50px #14162821;padding:40px 38px;width:100%;max-width:420px}.auth-logo{font-size:20px;font-weight:800;color:var(--blue);letter-spacing:-.01em;margin-bottom:22px}.brand{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--blue);font-weight:800;margin-bottom:6px}.auth-card h1{margin:0 0 5px;font-size:24px;letter-spacing:-.01em}.auth-card p.sub{margin:0 0 22px;color:var(--soft);font-size:14px}label{display:block;font-size:13px;font-weight:600;color:var(--soft);margin:16px 0 6px}input[type=text],input[type=email],input[type=password],select{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font-size:15px;font-family:var(--sans);transition:border-color .12s,box-shadow .12s}input::placeholder{color:#b6b8c2}input:focus,select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-tint)}.pw-wrap{position:relative}.pw-wrap input{padding-right:46px}.pw-toggle{position:absolute;right:6px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:var(--muted);padding:7px;display:grid;place-items:center;border-radius:8px}.pw-toggle:hover{color:var(--soft);background:#f3f4f8}.btn{width:100%;margin-top:24px;background:var(--blue);color:#fff;border:none;border-radius:10px;padding:13px;font-size:15px;font-weight:700;cursor:pointer;box-shadow:0 6px 16px #5f8a2847;transition:background .12s,box-shadow .12s,transform .12s}.btn:hover{background:var(--blue-deep);box-shadow:0 8px 20px #4c6f1f52}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:default}.btn.small{width:auto;margin:0;padding:8px 16px;font-size:13.5px;box-shadow:none}.btn.ghost{background:#fff;color:var(--blue);border:1.5px solid var(--blue);box-shadow:none}.btn.ghost:hover{background:var(--blue-tint);box-shadow:none}.msg{margin-top:16px;font-size:13.5px;padding:10px 12px;border-radius:8px}.msg.err{background:var(--bad-bg);color:var(--bad)}.msg.ok{background:var(--good-bg);color:var(--good)}.link-row{margin-top:16px;font-size:13.5px;text-align:center}.login-split{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr}@media (max-width:860px){.login-split{grid-template-columns:1fr}}.login-hero{color:#fff;padding:56px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden;background:radial-gradient(circle at 1px 1px,rgba(255,255,255,.09) 1px,transparent 0) 0 0/22px 22px,radial-gradient(720px 520px at 88% 12%,rgba(255,255,255,.16),transparent 62%),radial-gradient(620px 520px at 6% 96%,rgba(0,0,0,.16),transparent 60%),linear-gradient(145deg,#7bb436,#557d24 56%,#38571a)}.login-hero:before{content:"";position:absolute;left:-130px;top:-120px;width:300px;height:300px;border-radius:50%;background:#ffffff12}.login-campus{position:absolute;right:3%;bottom:0;width:min(46%,430px);opacity:.15;z-index:0;pointer-events:none}.login-campus svg{width:100%;height:auto;display:block}.login-hero .logo{font-size:23px;font-weight:800;position:relative;z-index:1}.login-hero-body{position:relative;z-index:1;padding:40px 0}.login-hero-bottom{position:relative;z-index:1}.login-unis{border-top:1px solid rgba(255,255,255,.18);padding-top:18px;margin-bottom:22px}.login-unis-label{font-size:11px;letter-spacing:.16em;text-transform:uppercase;font-weight:800;opacity:.68;margin-bottom:11px}.login-unis-row{display:flex;flex-wrap:wrap;gap:7px 18px;font-family:Georgia,Times New Roman,serif;font-size:15px;opacity:.9}.login-unis-row span{white-space:nowrap}.login-eyebrow{display:inline-block;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;font-weight:800;padding:6px 13px;border-radius:20px;background:#ffffff29;border:1px solid rgba(255,255,255,.22);margin-bottom:20px}.login-hero h1{font-size:38px;line-height:1.15;font-weight:800;margin:0 0 18px;max-width:15ch;text-wrap:balance;letter-spacing:-.015em}.login-hero-p{font-size:16px;line-height:1.6;opacity:.94;max-width:34ch;margin:0}.login-hero .foot{font-size:12.5px;opacity:.8;position:relative;z-index:1}.login-form-side{display:grid;place-items:center;padding:40px 24px;background:var(--bg)}.login-form-side .auth-card{box-shadow:0 18px 50px #1416281a}@media (max-width:860px){.login-hero{padding:34px 28px}.login-hero-body{padding:24px 0}.login-hero h1{font-size:27px}.login-hero-p{font-size:15px}.login-unis-row{font-size:13px;gap:6px 14px}.login-campus{display:none}}.shell{min-height:100vh}.topnav{background:var(--card);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:13px 26px;position:sticky;top:0;z-index:20}.topnav .left{display:flex;align-items:center;gap:22px}.topnav .logo{font-weight:800;font-size:19px;color:var(--blue);letter-spacing:-.01em}.nav-link{font-size:14px;font-weight:600;color:var(--soft)}.nav-link:hover{color:var(--blue)}.nav-prog{font-size:13px;font-weight:700;color:var(--soft);background:none;border:1px solid var(--line);border-radius:20px;padding:6px 13px;cursor:pointer}.nav-prog:hover{border-color:var(--blue);color:var(--blue)}.role-pill{font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:3px 10px;border-radius:20px;background:var(--blue-tint);color:var(--blue-deep)}.topnav .right{display:flex;align-items:center;gap:14px;font-size:14px}.acct{position:relative}.acct-btn{display:flex;align-items:center;gap:10px;background:none;border:none;cursor:pointer;padding:4px 4px 4px 8px;border-radius:22px}.acct-btn:hover{background:#f5f6fb}.acct-name{font-size:14px;font-weight:600;color:var(--ink)}.acct-av{width:30px;height:30px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:800;font-size:13px;flex:none}.acct-menu{position:absolute;top:calc(100% + 8px);right:0;min-width:170px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 10px 30px #14162824;padding:6px;z-index:30}.acct-menu a,.acct-menu button{display:block;width:100%;text-align:left;background:none;border:none;font-size:13.5px;font-weight:600;color:var(--soft);padding:9px 12px;border-radius:7px;cursor:pointer;text-decoration:none}.acct-menu a:hover,.acct-menu button:hover{background:#f5f6fb;color:var(--blue)}@media (max-width:520px){.acct-name{display:none}}.container{max-width:1200px;margin:0 auto;padding:28px 32px 60px}.page-h{font-size:22px;font-weight:800;margin:0 0 4px}.page-sub{color:var(--soft);font-size:14px;margin:0 0 22px}.card{background:var(--card);border-radius:14px;box-shadow:0 2px 14px #1416280f;padding:22px;margin-bottom:18px}.card h3{margin:0 0 14px;font-size:16px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}@media (max-width:640px){.grid2{grid-template-columns:1fr}}table.data{width:100%;border-collapse:collapse;font-size:14px}table.data th{text-align:left;color:var(--muted);font-size:11px;letter-spacing:.05em;text-transform:uppercase;padding:8px 10px;border-bottom:1px solid var(--line)}table.data td{padding:9px 10px;border-bottom:1px solid var(--line)}.tag{font-size:11px;font-weight:700;padding:2px 9px;border-radius:20px;background:#eef0f6;color:var(--soft)}.tag.admin{background:#fde8ef;color:#a11d54}.tag.teacher{background:#e7eefc;color:var(--blue-deep)}.tag.student,.tag.active{background:var(--good-bg);color:var(--good)}.tag.inactive{background:var(--bad-bg);color:var(--bad)}table.data input[type=text],table.data select{padding:6px 9px;border:1.5px solid var(--line);border-radius:8px;font-size:13.5px;font-family:var(--sans);width:auto;max-width:220px}table.data input[type=text]:focus,table.data select:focus{outline:none;border-color:var(--blue)}.empty{color:var(--muted);font-size:14px;padding:8px 0}.note{background:#fff8e6;border:1px solid #f0e2b0;border-radius:10px;padding:12px 14px;font-size:13px;color:#7a5c11;margin-bottom:18px}.inline-form{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}.inline-form .field{flex:1;min-width:160px}.inline-form label{margin-top:0}.tp{position:fixed;top:0;right:0;bottom:0;left:0;background:#fff;display:flex;flex-direction:column;z-index:100;font-family:var(--sans)}.tp-serif{font-family:Iowan Old Style,Palatino Linotype,Palatino,Georgia,serif}.tp-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:10px 20px;border-bottom:2px dashed #c7c7cf;flex:none}.tp-sect{font-weight:700;font-size:14.5px;max-width:320px}.tp-timer{text-align:center;min-width:110px}.tp-timer .t{font-size:19px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.5px}.tp-hide{font-size:11.5px;color:var(--soft);border:1px solid var(--line);border-radius:12px;padding:2px 10px;background:#fafafb;cursor:pointer;margin-top:2px}.tp-tools{display:flex;gap:6px;align-items:center;flex-wrap:wrap;justify-content:flex-end;max-width:300px}.tp-tool{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:10.5px;color:var(--soft);cursor:pointer;min-width:44px;padding:4px 6px;border-radius:8px;background:none;border:1px solid transparent}.tp-tool svg{width:18px;height:18px}.tp-tool:hover{color:var(--blue);background:#f5f6fb}.tp-tool.on{color:var(--blue);background:var(--blue-tint);border-color:#c3c9f3}.tp-body{flex:1;display:flex;min-height:0}.tp-pane{flex:1;min-width:0;overflow-y:auto;padding:24px 30px}.tp-pane.left{border-right:2px dashed #c7c7cf}.tp-passage{font-size:16px;line-height:1.7}.tp-passage .blank{color:var(--muted)}.tp-passage table{border-collapse:collapse;margin:6px 0 12px;font-size:13.5px}.tp-passage th,.tp-passage td{border:1px solid var(--line);padding:6px 10px;text-align:left}.tp-passage th{background:#f2f3f8}.tp-passage ul{padding-left:20px}.tp-single{max-width:640px;margin:0 auto}.tp-rulespane{background:#fafbfc;max-width:46%}.tp-rules-head{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}.tp-rules-toggle{border:1px solid var(--line);background:#fff;border-radius:8px;padding:4px 10px;cursor:pointer;color:var(--soft);font-size:12.5px;font-weight:700;white-space:nowrap}.tp-rules-toggle:hover{border-color:var(--blue);color:var(--blue)}.tp-rules{font-size:13.5px;line-height:1.55;color:var(--ink)}.tp-rules-intro{margin:0 0 8px}.tp-rules ul{margin:0 0 14px;padding-left:18px}.tp-rules li{margin-bottom:6px}.tp-rules-ex-h{font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0 0 6px}.tp-rules table{border-collapse:collapse;width:100%;font-size:12.5px}.tp-rules th,.tp-rules td{border:1px solid var(--line);padding:6px 8px;text-align:left;vertical-align:top}.tp-rules th{background:#f2f3f8;font-size:11px;color:var(--soft)}.tp-rules td:first-child{font-weight:700;white-space:nowrap}.tp-rules-tab{align-self:stretch;flex:0 0 36px;width:36px;border:none;border-right:2px dashed #c7c7cf;background:#f2f3f8;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:12px;padding:16px 0;color:var(--soft)}.tp-rules-tab:hover{background:#e9ebf2;color:var(--blue)}.tp-rules-tab .lbl{writing-mode:vertical-rl;font-size:12.5px;font-weight:700;letter-spacing:.04em}.tp-rules-tab .arr{font-size:13px}@media (max-width:760px){.tp-rulespane{max-width:none}}.tp-stem table{border-collapse:collapse;margin:6px 0 12px;font-size:13.5px}.tp-stem th,.tp-stem td{border:1px solid var(--line);padding:6px 10px}.tp-stem th{background:#f2f3f8}.tp-qhead{display:flex;align-items:center;gap:12px;padding-bottom:10px;border-bottom:1px solid var(--ink);margin-bottom:16px}.tp-qnum{background:var(--ink);color:#fff;width:27px;height:27px;border-radius:5px;display:grid;place-items:center;font-weight:700;font-size:14px;flex:none}.tp-mark{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--ink);background:none;border:none;cursor:pointer}.tp-mark svg{width:15px;height:17px}.tp-mark.on{color:var(--blue)}.tp-mark.on svg path{fill:var(--blue)}.tp-abc{margin-left:auto;font-size:12px;font-weight:700;border:1px solid var(--line);border-radius:14px;padding:4px 10px;background:#fafafb;cursor:pointer;color:var(--soft)}.tp-abc.on{background:var(--ink);color:#fff;border-color:var(--ink)}.tp-abc u{text-decoration:line-through}.tp-stem{font-size:16px;line-height:1.55;margin:0 0 16px;font-weight:600}.tp-choices{display:flex;flex-direction:column;gap:10px;max-width:640px}.tp-choice{display:flex;align-items:flex-start;gap:12px;border:1.5px solid var(--line);border-radius:10px;padding:11px 14px;cursor:pointer;background:#fff;transition:.12s}.tp-choice:hover{border-color:#8b8b96}.tp-letter{width:23px;height:23px;border-radius:50%;border:1.5px solid #8b8b96;display:grid;place-items:center;font-weight:700;font-size:12.5px;flex:none}.tp-txt{font-size:15px;line-height:1.5;padding-top:1px}.tp-choice.sel{border-color:var(--blue);background:var(--blue-tint)}.tp-choice.sel .tp-letter{background:var(--blue);border-color:var(--blue);color:#fff}.tp-cross{margin-left:auto;align-self:center;width:25px;height:25px;border-radius:50%;border:1px solid var(--line);background:#fff;cursor:pointer;font-weight:700;font-size:11px;color:var(--soft);flex:none}.tp-choice.crossed{opacity:.5;border-style:dashed}.tp-choice.crossed .tp-letter,.tp-choice.crossed .tp-txt{text-decoration:line-through}.tp-choice.correct{border-color:var(--good);background:var(--good-bg)}.tp-choice.correct .tp-letter{background:var(--good);border-color:var(--good);color:#fff}.tp-choice.wrong{border-color:var(--bad);background:var(--bad-bg)}.tp-choice.wrong .tp-letter{background:var(--bad);border-color:var(--bad);color:#fff}.tp-tag{margin-left:auto;align-self:center;font-size:11.5px;font-weight:700;padding:2px 9px;border-radius:20px}.tp-tag.g{background:var(--good);color:#fff}.tp-tag.b{background:var(--bad);color:#fff}.tp-grid{max-width:340px}.tp-grid input{width:100%;font-size:22px;font-weight:700;padding:12px 14px;border:2px solid var(--line);border-radius:10px;font-variant-numeric:tabular-nums}.tp-grid input:focus{outline:none;border-color:var(--blue)}.tp-bot{flex:none;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:11px 20px;position:relative}.tp-name{font-weight:700;font-size:14.5px}.tp-pill{background:var(--ink);color:#fff;border:none;border-radius:22px;padding:9px 18px;font-size:13.5px;font-weight:700;cursor:pointer}.tp-nav-btns{display:flex;gap:10px}.tp-btn{border-radius:22px;padding:10px 26px;font-size:14px;font-weight:700;cursor:pointer;border:1.5px solid var(--blue)}.tp-btn.ghost{background:#fff;color:var(--blue)}.tp-btn.solid{background:var(--blue);color:#fff}.tp-btn:disabled{opacity:.4;cursor:default}.tp-pop{position:absolute;left:50%;bottom:62px;transform:translate(-50%);width:min(520px,90%);background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow,0 8px 30px rgba(20,22,40,.18));padding:15px}.tp-navgrid{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.tp-nbox{width:36px;height:36px;border-radius:6px;border:1px dashed #b7b7bf;background:#fff;font-weight:700;font-size:13px;cursor:pointer;position:relative}.tp-nbox.answered{background:var(--ink);color:#fff;border-style:solid;border-color:var(--ink)}.tp-nbox.current{outline:2px solid var(--blue);outline-offset:2px}.tp-nbox .flag{position:absolute;top:-7px;right:-6px;color:var(--blue);font-size:11px}.tp-results{position:fixed;top:0;right:0;bottom:0;left:0;overflow-y:auto;background:var(--bg);z-index:100}.tp-rwrap{max-width:1040px;margin:0 auto;padding:32px 24px 60px}.tp-rev-time{font-size:13px;color:var(--soft);margin-bottom:4px}.tp-rev-actions{display:flex;gap:12px;justify-content:center;margin-top:6px}.tp-nbox.flagged{border-color:var(--blue);border-style:solid}.tp-scorecard{background:#fff;border-radius:16px;padding:26px;box-shadow:0 2px 14px #14162814;display:flex;align-items:center;gap:26px;flex-wrap:wrap}.tp-ring{--p:0;width:118px;height:118px;border-radius:50%;flex:none;background:conic-gradient(var(--blue) calc(var(--p)*1%),#dfe1ea 0);display:grid;place-items:center}.tp-ring .in{width:90px;height:90px;border-radius:50%;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center}.tp-ring .n{font-size:24px;font-weight:800;font-variant-numeric:tabular-nums}.tp-ring .of{font-size:11px;color:var(--muted)}.tp-rev-h{font-size:13px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:28px 4px 12px}.tp-dbars{background:#fff;border-radius:14px;box-shadow:0 2px 14px #1416280f;padding:20px 22px}.tp-bar-row{margin-bottom:13px}.tp-bar-row:last-child{margin-bottom:0}.tp-bar-top{display:flex;justify-content:space-between;margin-bottom:5px;font-size:13px}.tp-chip{font-size:10.5px;font-weight:800;padding:1px 8px;border-radius:20px;margin-left:6px}.tp-chip.good{background:var(--good-bg);color:var(--good)}.tp-chip.watch{background:#faf0dd;color:#b06a12}.tp-chip.weak{background:var(--bad-bg);color:var(--bad)}.tp-track{height:10px;background:#edeef3;border-radius:6px;overflow:hidden}.tp-fill{height:100%;border-radius:6px}.tp-fill.good{background:var(--good)}.tp-fill.watch{background:#b06a12}.tp-fill.weak{background:var(--bad)}.tp-rcard{background:#fff;border-radius:14px;box-shadow:0 2px 14px #1416280f;padding:20px 22px;margin-bottom:14px}.tp-rtop{display:flex;align-items:center;gap:10px;margin-bottom:11px}.tp-rq{background:var(--ink);color:#fff;width:25px;height:25px;border-radius:5px;display:grid;place-items:center;font-weight:700;font-size:13px}.tp-skill{font-size:11.5px;font-weight:700;color:var(--soft);background:#eef0f6;padding:3px 10px;border-radius:20px}.tp-rres{margin-left:auto;font-weight:800;font-size:12.5px;padding:3px 12px;border-radius:20px}.tp-rres.g{background:var(--good-bg);color:var(--good)}.tp-rres.b{background:var(--bad-bg);color:var(--bad)}.tp-rpass{font-size:13.5px;line-height:1.55;color:var(--soft);margin:0 0 10px}.tp-rstem{font-size:14.5px;font-weight:600;margin:0 0 12px}.error-note{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line)}.error-note-label{font-size:12px;font-weight:700;color:var(--soft);text-transform:uppercase;letter-spacing:.03em;display:block;margin-bottom:5px}.error-note-row{margin-bottom:12px}.error-note-row p{font-size:14px;line-height:1.5;margin:0}.error-note textarea{width:100%;font-size:14px;font-family:inherit;padding:10px 12px;border:2px solid var(--line);border-radius:10px;resize:vertical}.error-note textarea:focus{outline:none;border-color:var(--blue)}.tp-explain{margin-top:14px;border-left:3px solid var(--blue);background:var(--blue-tint);border-radius:0 10px 10px 0;padding:12px 15px}.tp-explain h4{margin:0 0 5px;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--blue-deep)}.tp-explain p{margin:0;font-size:14px;line-height:1.55}.tp-hint{margin:12px 0}.tp-hint-text{margin:8px 0 0;padding:10px 13px;border-left:3px solid #d6a419;background:#fdf6e3;border-radius:0 10px 10px 0;font-size:13.5px;line-height:1.55;color:var(--ink)}.tp-savebar{font-size:13px;color:var(--soft);margin-top:8px}@media (max-width:760px){.tp-body{flex-direction:column}.tp-pane.left{border-right:none;border-bottom:2px dashed #c7c7cf;max-height:40%}.tp-tool span{display:none}.tp-sect{max-width:150px;font-size:12px}.tp-btn{padding:9px 15px}}.desmos-panel{position:fixed;z-index:200;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 40px #14162847;overflow:hidden}.desmos-head{background:var(--ink);color:#fff;padding:8px 12px;font-size:13px;font-weight:700;display:flex;justify-content:space-between;align-items:center;cursor:grab;-webkit-user-select:none;user-select:none}.desmos-head:active{cursor:grabbing}.desmos-head-right{display:flex;align-items:center;gap:6px}.desmos-size-btn{width:22px;height:20px;border:1px solid rgba(255,255,255,.35);background:#ffffff1f;color:#fff;border-radius:5px;font-size:11px;font-weight:700;cursor:pointer;line-height:1}.desmos-size-btn:hover{background:#ffffff47}.desmos-x{cursor:pointer;font-size:18px;line-height:1;opacity:.85;margin-left:4px}.desmos-x:hover{opacity:1}.desmos-mount{width:360px;height:440px}.desmos-err{padding:16px;font-size:13px;color:var(--bad)}.desmos-resize{position:absolute;right:0;bottom:0;width:18px;height:18px;cursor:nwse-resize;z-index:3;background:repeating-linear-gradient(135deg,transparent 0 3px,var(--muted) 3px 4px)}.tp-passage.hl-mode{cursor:text}.tp-passage mark.hl{background:#ffe89a;border-radius:2px;padding:0 1px;cursor:pointer}.float-panel{position:fixed;z-index:200;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 40px #14162847;overflow:hidden}.float-head{background:var(--ink);color:#fff;padding:8px 12px;font-size:13px;font-weight:700;display:flex;justify-content:space-between;align-items:center;cursor:grab;-webkit-user-select:none;user-select:none}.float-head:active{cursor:grabbing}.float-x{cursor:pointer;font-size:18px;line-height:1;opacity:.85}.float-x:hover{opacity:1}.float-body{padding:12px}.tp-notepad{width:100%;height:200px;border:1px solid var(--line);border-radius:8px;padding:10px;font-size:14px;resize:vertical;font-family:var(--sans)}.tp-notepad:focus{outline:none;border-color:var(--blue)}.ref-sheet{font-size:13px;max-height:360px;overflow-y:auto}.ref-row{display:flex;justify-content:space-between;gap:12px;padding:7px 0;border-bottom:1px solid var(--line)}.ref-row b{font-family:Iowan Old Style,Palatino Linotype,Palatino,Georgia,serif;font-size:14.5px;white-space:nowrap}.ref-row span{color:var(--soft);text-align:right}.ref-facts{font-size:12px;color:var(--soft);margin:10px 0 0;line-height:1.5}.rev-filter{display:flex;gap:8px;margin:6px 4px 16px;flex-wrap:wrap}.rev-filter button{border:1.5px solid var(--line);background:#fff;color:var(--soft);border-radius:20px;padding:7px 16px;font-size:13.5px;font-weight:700;cursor:pointer}.rev-filter button.on{background:var(--blue);color:#fff;border-color:var(--blue)}.qo-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:6px 0 20px}.qo-stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 16px;text-align:center;box-shadow:0 2px 14px #1416280d}.qo-n{font-size:34px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}.qo-n.g{color:var(--good)}.qo-n.b{color:var(--bad)}.qo-l{font-size:13px;color:var(--soft);margin-top:4px}.qo-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 14px}.qo-tabs button{border:1.5px solid var(--line);background:#fff;color:var(--soft);border-radius:20px;padding:7px 16px;font-size:13.5px;font-weight:700;cursor:pointer}.qo-tabs button.on{background:var(--blue);color:#fff;border-color:var(--blue)}.qo-tabs .qo-wrong{margin-left:auto}.qo-tabs .qo-wrong.on{background:var(--bad);color:#fff;border-color:var(--bad)}.qo-tablewrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 2px 14px #1416280d}.qo-table{width:100%;border-collapse:collapse;font-size:14px;min-width:640px}.qo-table th{text-align:left;font-size:12px;font-weight:700;color:var(--muted);text-transform:none;padding:14px 16px;border-bottom:1px solid var(--line);white-space:nowrap}.qo-table td{padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:middle}.qo-table tbody tr:last-child td{border-bottom:none}.qo-table tr.qo-open>td{background:var(--blue-tint);border-bottom:none}.qo-res{font-weight:700;font-size:12.5px;padding:3px 11px;border-radius:20px;white-space:nowrap;display:inline-block}.qo-res.g{background:var(--good-bg);color:var(--good)}.qo-res.b{background:var(--bad-bg);color:var(--bad)}.qo-res.s{background:#eef0f6;color:var(--soft)}.qo-table td .btn.small{width:auto}.qo-empty{text-align:center;color:var(--muted);padding:26px 16px}.qo-detailrow>td{background:var(--blue-tint);padding:0 16px 18px}.qo-detail{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 22px}.welcome{font-size:32px;font-weight:800;margin:6px 0 28px;letter-spacing:-.01em}.welcome span{color:var(--blue)}.sect-row{display:flex;align-items:center;gap:14px;margin:0 0 18px}.sect-h{font-size:22px;font-weight:800;margin:0}.seg{display:inline-flex;border:1.5px solid var(--line);border-radius:9px;overflow:hidden;background:#fff}.seg button{border:none;background:#fff;color:var(--soft);font-weight:700;font-size:13.5px;padding:6px 16px;cursor:pointer;transition:.12s}.seg button:hover{background:#f5f6fb}.seg button.on,.seg button.on:hover{background:var(--blue);color:#fff}.tile-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,226px));gap:22px;justify-content:start;margin-bottom:8px}@media (max-width:480px){.tile-grid,.tile-grid.tri{grid-template-columns:1fr}}.tile{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;aspect-ratio:1/1;background:#fff;border:1px solid var(--line);border-radius:6px;text-decoration:none;color:var(--ink);padding:22px;transition:.16s}.tile:hover{border-color:var(--blue);box-shadow:0 12px 30px #1416281c;transform:translateY(-3px)}.tile-illus{width:112px;height:88px;display:grid;place-items:center}.tile-illus svg{width:100%;height:100%}.tile-txt{display:flex;flex-direction:column;gap:4px;align-items:center}.tile-label{font-size:18px;font-weight:700;color:#41414a;text-align:center;letter-spacing:-.01em}.tile-sub{font-size:12px;color:var(--muted);text-align:center}.tile.disabled{cursor:default;pointer-events:none}.tile.disabled .tile-illus{filter:grayscale(1);opacity:.38}.tile.locked{cursor:not-allowed;background:var(--bg);border-style:dashed}.tile.locked:hover{border-color:var(--line);box-shadow:none;transform:none}.tile.locked .tile-illus{filter:grayscale(1);opacity:.34}.tile.locked .tile-label{color:var(--muted)}.tile .lock{font-size:13px;filter:grayscale(1)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#14161e6b;display:grid;place-items:center;z-index:200;padding:20px}.modal{background:var(--card);border-radius:14px;box-shadow:0 24px 60px #14162847;padding:24px 26px;width:100%;max-width:460px;max-height:88vh;overflow-y:auto}.acc-group{border-top:1px solid var(--line);padding:12px 0}.acc-group:first-of-type{border-top:none;padding-top:4px}.acc-group-h{display:flex;align-items:center;justify-content:space-between;font-weight:700;font-size:14px;margin-bottom:9px}.acc-items{display:flex;flex-wrap:wrap;gap:9px 18px}.acc-item{display:flex;align-items:center;gap:7px;font-size:14px;cursor:pointer}.acc-item input{width:16px;height:16px;accent-color:var(--blue)}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.tile.disabled .tile-label{color:var(--muted)}.tile-badge{position:absolute;top:12px;right:12px;font-size:10px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);background:#f1f2f6;border-radius:20px;padding:3px 9px}.mock-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}@media (max-width:820px){.mock-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:520px){.mock-grid{grid-template-columns:1fr}}.mock-card{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 2px 14px #1416280d;padding:22px}.mock-card h3{margin:0 0 12px;font-size:17px}.mock-card hr{border:none;border-top:1px solid var(--line);margin:0 0 14px}.mock-meta{display:flex;justify-content:space-between;gap:12px;font-size:13.5px;margin-bottom:8px}.mock-meta span{color:var(--soft)}.lib-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.prog-tabs{display:flex;gap:2px;flex-wrap:wrap;border-bottom:2px solid var(--line);margin:0 0 22px}.prog-tab{border:none;background:none;padding:11px 18px;font-size:15px;font-weight:800;color:var(--muted);cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-2px}.prog-tab:hover:not(.soon){color:var(--ink)}.prog-tab.on{color:var(--blue);border-bottom-color:var(--blue)}.prog-tab.soon{color:#b9bcc4;cursor:default}.prog-soon{font-size:9px;font-weight:800;text-transform:uppercase;letter-spacing:.03em;color:var(--muted);background:#f1f2f6;border-radius:10px;padding:1px 6px;margin-left:6px;vertical-align:middle}.mock-banner{display:flex;align-items:center;gap:20px;background:linear-gradient(135deg,#eef5df,#e0ecca);border:1px solid #d3e3b6;border-radius:16px;padding:18px 22px;margin-bottom:26px}.mock-illus{width:78px;height:62px;flex:none;display:grid;place-items:center}.mock-illus svg{width:100%;height:100%}.mock-info{flex:1;min-width:0}.mock-kicker{font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--blue-deep);margin-bottom:3px}.mock-info h3{margin:0 0 4px;font-size:18px}.mock-info p{margin:0;font-size:13px;color:var(--soft)}@media (max-width:600px){.mock-banner{flex-wrap:wrap}.mock-illus{display:none}}.fby-title{font-size:12px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--ink);padding:16px 18px 8px}.fby-g{border-top:1px solid var(--line);padding:14px 18px 8px}.fby-h{font-size:11.5px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}.fby-opt{display:flex;align-items:center;gap:10px;font-size:14px;padding:7px 0;color:var(--ink);cursor:pointer}.fby-opt input{width:16px;height:16px;accent-color:var(--blue);flex:none}.fby-sub{margin:0 0 6px}.fby-sub .fby-subh{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.04em;color:var(--blue-deep);margin:8px 0 2px;padding-left:2px}.fby-sub .fby-opt{margin-left:8px;padding-left:12px;border-left:2px solid var(--blue-tint)}.lib-tabs{display:flex;gap:6px;flex-wrap:wrap;border-bottom:1px solid var(--line);margin:18px 0 22px}.lib-tab{border:none;background:none;padding:9px 14px;font-size:14px;font-weight:700;color:var(--soft);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}.lib-tab:hover{color:var(--ink)}.lib-tab.on{color:var(--blue);border-bottom-color:var(--blue)}.lib-body{display:flex;gap:28px;align-items:flex-start}.lib-side{width:230px;flex:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:4px 0 14px;position:sticky;top:78px}.lib-filter-h{font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--soft);margin-bottom:6px}.lib-group{font-size:12.5px;font-weight:700;color:var(--muted);margin:16px 0 8px}.lib-check{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--ink);padding:5px 0;cursor:pointer}.lib-check input{width:15px;height:15px;accent-color:var(--blue);flex:none}.lib-main{flex:1;min-width:0}.lib-count{font-size:12.5px;color:var(--muted);margin-bottom:14px}.practice-h{font-size:20px;font-weight:800;margin:6px 0 16px}.lib-section{margin-bottom:38px}.lib-sec-h{display:flex;align-items:baseline;gap:11px;margin:0 0 18px;padding-bottom:11px;flex-wrap:wrap;border-bottom:1px solid var(--line)}.lib-sec-title{position:relative;font-size:20px;font-weight:800;letter-spacing:-.015em;padding-left:15px}.lib-sec-title:before{content:"";position:absolute;left:0;top:4px;bottom:3px;width:5px;border-radius:3px;background:var(--blue)}.lib-sec-n{font-size:12px;font-weight:700;color:var(--blue-deep);background:var(--blue-tint);border-radius:20px;padding:3px 10px}.lib-sec-sub{font-size:13px;color:var(--muted);font-weight:500}.lib-subgroup{margin:0 0 22px}.lib-subgroup-h{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:0 0 13px}.qb-placeholder{font-size:13px;color:var(--muted);background:var(--panel,#f7f7f8);border:1px dashed var(--line);border-radius:10px;padding:12px 14px}.lib-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:26px 22px}.lib-card{display:flex;flex-direction:column;text-align:left;background:none;border:none;padding:0;cursor:pointer}.lib-thumb{position:relative;height:150px;border-radius:12px;display:grid;place-items:center;overflow:hidden;margin-bottom:12px;transition:.15s;border:1px solid var(--line)}.lib-thumb svg{width:58%;height:66%}.lib-card:hover:not(.disabled) .lib-thumb{transform:translateY(-3px);box-shadow:0 12px 26px #14162821;border-color:transparent}.thumb-sat{background:linear-gradient(135deg,#eaf3d8,#cfe3b6)}.thumb-cat{background:linear-gradient(135deg,#eef5df,#dbe9c2)}.thumb-grammar{background:linear-gradient(135deg,#e6f0ea,#cfe3d3)}.thumb-vocab{background:linear-gradient(135deg,#eaf0e0,#d6e4bf)}.vocab-cluster-wrap{overflow-x:auto;border-radius:12px;box-shadow:0 2px 14px #14162812;max-width:820px}.vocab-cluster{width:100%;border-collapse:collapse;font-size:14.5px;background:var(--card);min-width:540px}.vocab-cluster th{background:#2b2b30;color:#fff;text-align:left;font-size:11.5px;letter-spacing:.04em;text-transform:uppercase;padding:11px 16px;font-weight:700}.vocab-cluster td{padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.45}.vocab-cluster tbody tr:last-child td{border-bottom:none}.vocab-cluster .vc-word{font-weight:800;color:var(--blue-deep);background:var(--blue-tint);white-space:nowrap}.vocab-cluster .vc-pos{color:var(--muted);font-style:italic;white-space:nowrap}.thumb-ap,.thumb-compmath,.thumb-compphysics{background:linear-gradient(135deg,#f1f2f6,#e4e6ec)}.lib-card.disabled{cursor:default}.lib-card.disabled .lib-thumb svg{filter:grayscale(1);opacity:.4}.lib-card.disabled .lib-title,.lib-card.disabled .lib-chip{color:var(--muted)}.lib-card.disabled .lib-chip{background:#f1f2f6}.lib-chip{align-self:flex-start;font-size:10.5px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--blue-deep);background:var(--blue-tint);padding:4px 9px;border-radius:6px;margin-bottom:8px}.lib-title{font-size:15px;font-weight:700;line-height:1.3;color:var(--ink);margin-bottom:5px}.lib-card:hover:not(.disabled) .lib-title{color:var(--blue-deep)}.lib-meta{font-size:12.5px;color:var(--muted)}@media (max-width:720px){.lib-body{flex-direction:column}.lib-side{width:100%;position:static}}.linkish{background:none;border:none;color:var(--blue);font-weight:700;font-size:13.5px;cursor:pointer;padding:0}.linkish:hover{color:var(--blue-deep);text-decoration:underline}.section-label{font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--soft);margin:26px 2px 12px}.section-label:first-of-type{margin-top:8px}.prac-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:18px}@media (max-width:640px){.prac-grid{grid-template-columns:1fr}}.prac-card{display:block;background:var(--card);border:1.5px solid var(--line);border-radius:14px;box-shadow:0 2px 14px #1416280f;padding:20px 22px;text-decoration:none;color:inherit;transition:.14s}.prac-card:hover{border-color:var(--blue);box-shadow:0 6px 22px #1416281a;transform:translateY(-2px)}.prac-icon{font-size:26px;line-height:1;margin-bottom:10px}.prac-name{font-weight:800;font-size:16px;margin-bottom:6px}.prac-desc{font-size:13.5px;line-height:1.5;color:var(--soft);margin-bottom:12px}.prac-go{font-size:13px;font-weight:700;color:var(--blue)}.cat-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}@media (max-width:640px){.cat-grid{grid-template-columns:1fr}}.cat-card{text-align:left;background:var(--card);border:1.5px solid var(--line);border-radius:14px;box-shadow:0 2px 14px #1416280f;padding:18px 20px;cursor:pointer;transition:.14s}.cat-card:hover{border-color:var(--blue);box-shadow:0 6px 22px #1416281a;transform:translateY(-2px)}.cat-sect{font-size:11px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--blue-deep)}.cat-name{font-weight:800;font-size:16px;margin:3px 0 5px}.cat-count{font-size:12.5px;color:var(--muted)}.skill-list{margin-top:6px}.skill-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-top:1px solid var(--line)}.drill-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:12px}.drill-title{font-weight:800;font-size:18px}.drill-progress{height:7px;background:#e6e6ec;border-radius:20px;overflow:hidden}.drill-progress-fill{height:100%;background:var(--blue);border-radius:20px;transition:width .25s}.drill-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:10px;font-size:13px;color:var(--muted)}.drill-foot{margin-top:16px;display:flex;justify-content:flex-end}.drill{max-width:860px;margin:0 auto}.drill-done{max-width:1040px;margin:0 auto}.drill-actions{display:flex;gap:10px;flex-wrap:wrap}.skill-summary{display:flex;flex-direction:column;gap:10px}.skill-summary-row{display:grid;grid-template-columns:minmax(140px,220px) 1fr 44px;align-items:center;gap:12px}.skill-summary-name{font-size:13px;color:var(--text);font-weight:600}.skill-summary-bar{height:8px;border-radius:6px;background:var(--line);overflow:hidden}.skill-summary-fill{height:100%;background:var(--blue);border-radius:6px}.skill-summary-n{font-size:13px;color:var(--muted);font-weight:700;text-align:right;font-variant-numeric:tabular-nums}.tp-break{position:fixed;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;background:var(--bg);z-index:100;text-align:center;padding:24px}.tp-break .card2{background:#fff;border-radius:18px;box-shadow:0 4px 24px #1416281a;padding:40px 44px;max-width:520px}.tp-break .count{font-size:52px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--blue-deep);margin:18px 0}.td-filter{display:flex;align-items:center;gap:10px;margin-bottom:14px}.td-filter label{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}.td-filter select{padding:7px 10px;border:1.5px solid var(--line);border-radius:9px;font-size:14px;font-family:var(--sans)}.td-filter select:focus{outline:none;border-color:var(--blue)}.td-cardhead{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}.td-cardhead h3{margin:0}.diag{display:flex;flex-direction:column;gap:9px;margin-top:12px}.diag-row{display:grid;grid-template-columns:minmax(120px,220px) 1fr auto;align-items:center;gap:12px}.diag-label{font-size:13.5px;color:var(--soft);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.diag-track{height:10px;background:var(--bg);border-radius:6px;overflow:hidden}.diag-fill{height:100%;border-radius:6px;transition:width .4s ease}.diag-fill.strong{background:var(--good)}.diag-fill.medium{background:#c88a1e}.diag-fill.weak{background:var(--bad)}.diag-val{font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;min-width:78px;text-align:right;color:var(--ink)}.diag-frac{color:var(--muted);font-weight:500;margin-left:6px}.td-priority{margin-top:14px;padding:10px 12px;background:var(--blue-tint);border-radius:9px;font-size:13.5px;color:var(--ink)}.td-students td{vertical-align:middle}.td-acc{display:inline-block;padding:2px 9px;border-radius:20px;font-weight:700;font-size:13px}.td-acc.strong{background:var(--good-bg);color:var(--good)}.td-acc.medium{background:#fbf1df;color:#96660f}.td-acc.weak{background:var(--bad-bg);color:var(--bad)}.td-open td{border-bottom:none}.td-detailrow td{background:var(--bg);border-radius:0 0 10px 10px}.td-detail{padding:6px 4px 10px}.td-detail-h{font-size:13px;font-weight:700;color:var(--soft);margin-bottom:4px}.hw-words{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 20px}.hw-word{font-size:12.5px;font-weight:600;color:var(--blue-deep);background:var(--blue-tint);border-radius:20px;padding:4px 11px}.hw-progress{margin:0 0 22px;max-width:520px}.hw-progress-l{font-size:13px;color:var(--muted);font-weight:700;margin-bottom:7px}.hw-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;max-width:860px}.hw-item{display:flex;align-items:center;gap:16px;background:var(--card);border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:12px;padding:16px 20px;box-shadow:0 2px 10px #1416280d}.hw-item.done{border-left-color:var(--good)}.hw-item.locked{border-left-color:var(--line);background:#fafafc;box-shadow:none}.hw-n{flex:none;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:15px;background:var(--blue-tint);color:var(--blue-deep)}.hw-item.done .hw-n{background:var(--good-bg);color:var(--good)}.hw-item.locked .hw-n{background:#f1f2f6;color:var(--muted);font-size:14px}.hw-body{flex:1;min-width:0}.hw-title{font-size:15.5px;font-weight:700;line-height:1.3}.hw-item.locked .hw-title{color:var(--muted)}.hw-blurb{font-size:13.5px;color:var(--soft);margin-top:3px}.hw-item.locked .hw-blurb{color:var(--muted)}.hw-meta{font-size:12.5px;color:var(--muted);margin-top:5px}.hw-go{flex:none}.hw-lockmsg{font-size:12.5px;color:var(--muted);font-weight:600}@media (max-width:640px){.hw-item{flex-wrap:wrap;gap:12px;padding:14px 16px}.hw-go,.hw-go .btn{width:100%}}.fc-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:0 6px 26px #14162817;overflow:hidden;margin:8px 0 20px}.fc-badge{position:absolute;top:14px;right:16px;font-size:10.5px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--blue-deep);background:var(--blue-tint);border-radius:20px;padding:4px 11px}.fc-badge.warm{color:#8a5a10;background:#fdf1dc}.fc-face{width:100%;border:none;background:none;cursor:pointer;padding:74px 28px 66px;display:block;font-family:inherit}.fc-word{font-size:38px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}.fc-pos{font-size:14.5px;color:var(--soft);margin-top:8px}.fc-bar{width:100%;border:none;border-top:1px solid var(--line);background:#fbfbfd;cursor:pointer;padding:15px;font-size:14.5px;font-weight:700;color:var(--blue-deep);font-family:inherit}.fc-bar:hover{background:var(--blue-tint)}.fc-back{padding:34px 30px 30px;text-align:left}.fc-back-word{font-size:26px;font-weight:800;letter-spacing:-.015em}.fc-def{font-size:17px;line-height:1.55;color:var(--ink);margin:18px 0 6px;max-width:62ch}.fc-actions{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}.fc-no,.fc-yes{border:none;cursor:pointer;padding:16px;font-size:14.5px;font-weight:700;color:#fff;font-family:inherit}.fc-no{background:#b4544d}.fc-no:hover{background:#9d4740}.fc-yes{background:var(--blue)}.fc-yes:hover{background:var(--blue-deep)}.fc-progress-l{font-size:13px;color:var(--muted);font-weight:700;margin-bottom:7px}.fc-learned{display:flex;flex-direction:column;gap:9px}.fc-learned-row{display:grid;grid-template-columns:minmax(110px,150px) 1fr;gap:14px;font-size:13.5px;align-items:baseline}.fc-learned-row span{color:var(--soft)}@media (max-width:640px){.fc-face{padding:52px 20px 46px}.fc-word{font-size:30px}.fc-learned-row{grid-template-columns:1fr;gap:2px}}.mt-opts{list-style:none;margin:0 0 22px;padding:16px 18px;background:#fbfbfd;border:1px solid var(--line);border-radius:12px;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:8px 22px}.mt-opts li{display:flex;gap:10px;font-size:13.5px;line-height:1.45;color:var(--soft)}.mt-k{flex:none;font-weight:800;color:var(--blue-deep);min-width:16px}.mt-rows{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:9px 20px}.mt-row{display:flex;align-items:center;gap:10px;border:1.5px solid var(--line);border-radius:9px;padding:7px 12px;background:#fff}.mt-row.correct{border-color:var(--good);background:var(--good-bg)}.mt-row.wrong{border-color:var(--bad);background:var(--bad-bg)}.mt-word{flex:1;font-size:14.5px;font-weight:600;min-width:0}.mt-row select{width:auto;min-width:64px;padding:6px 8px;font-size:14px;font-weight:700}.mt-fix{font-size:12.5px;color:var(--bad);white-space:nowrap}.mt-tick{color:var(--good);font-weight:800}.mt-had{font-size:13px;font-weight:700;color:var(--soft);min-width:22px;text-align:center}.mt-score{margin-top:16px;font-size:14px;font-weight:700}.bank-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}.bank-chip{border:1.5px solid var(--line);background:#fff;border-radius:20px;padding:6px 14px;font-size:13.5px;font-weight:600;color:var(--soft);cursor:pointer;font-family:inherit;transition:.12s}.bank-chip:hover:not(:disabled){border-color:var(--blue);color:var(--blue-deep)}.bank-chip.on{background:var(--blue);border-color:var(--blue);color:#fff}.bank-chip:disabled{cursor:default;opacity:.75}.bank-input{max-width:340px;font-size:18px;font-weight:700;padding:11px 14px;border:2px solid var(--line);border-radius:10px}.bank-input:focus{outline:none;border-color:var(--blue)}.fc-lab{display:block;font-size:10.5px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}.fc-ex{font-size:15px;line-height:1.55;color:var(--soft);font-style:italic;margin:16px 0 4px;max-width:64ch}.fc-ex .fc-lab{font-style:normal}.drill-foot{justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}.drill-foot-r{display:flex;gap:10px;align-items:center;margin-left:auto}.bank-chip.good{background:var(--good);border-color:var(--good);color:#fff}.bank-chip.bad{background:var(--bad);border-color:var(--bad);color:#fff;text-decoration:line-through}.bank-chip.dim{opacity:.4}.frac{display:inline-flex;flex-direction:column;align-items:center;vertical-align:middle;font-size:.86em;line-height:1.12;margin:0 2px}.frac>span:first-child{border-bottom:1.5px solid currentColor;padding:0 3px}.seg{display:inline-block;line-height:1.05;border-top:1.4px solid currentColor;padding-top:1px}.work{margin-top:20px;padding:14px 16px 16px;border:1.5px dashed #cfd3dc;border-radius:12px;background:#fbfbfd}.work-head{display:flex;gap:11px;align-items:flex-start;margin-bottom:12px}.work-icon{flex:none;width:34px;height:34px;border-radius:9px;background:var(--blue-tint);color:var(--blue-deep);display:grid;place-items:center}.work-icon svg{width:19px;height:19px}.work-title{font-size:14px;font-weight:700;line-height:1.3}.work-opt{font-size:10px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);background:#eef0f6;border-radius:20px;padding:2px 8px;margin-left:6px;vertical-align:1px}.work-sub{font-size:12.5px;color:var(--soft);margin-top:2px}.work-row{display:flex;flex-wrap:wrap;gap:10px}.work-thumb{position:relative;width:92px;height:92px;border-radius:10px;overflow:hidden;border:1px solid var(--line);background:#fff}.work-thumb a,.work-thumb img{display:block;width:100%;height:100%}.work-thumb img{object-fit:cover}.work-thumb.busy img{opacity:.45}.work-noimg{height:100%;display:grid;place-items:center;font-size:12px;color:var(--muted)}.work-state{position:absolute;left:0;right:0;bottom:0;background:#1b1b1fb8;color:#fff;font-size:10.5px;font-weight:700;text-align:center;padding:3px 0}.work-x{position:absolute;top:4px;right:4px;width:22px;height:22px;border-radius:50%;border:none;background:#1b1b1fb8;color:#fff;font-size:15px;line-height:22px;padding:0;cursor:pointer}.work-x:hover{background:var(--bad)}.work-add{width:92px;height:92px;border:1.5px dashed var(--blue);border-radius:10px;background:#fff;color:var(--blue-deep);font-size:12.5px;font-weight:700;font-family:inherit;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px}.work-add:hover{background:var(--blue-tint)}.work-plus{font-size:26px;line-height:1;font-weight:400}.work-err{margin-top:10px;font-size:13px;font-weight:600;color:var(--bad)}.work-summary{margin:6px 0 0;font-size:13.5px;color:var(--soft)}.error-work{margin-top:14px}.error-work .work-row{margin-top:4px}.cm-go{display:flex;gap:8px;align-items:center}.cm-errlog{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;max-width:860px;margin-top:24px}.cm-errlog-h{font-weight:700;font-size:15px;margin-bottom:2px}@media (max-width:640px){.cm-go .btn{flex:1}}.td-worklink{display:flex;align-items:center;justify-content:space-between;gap:16px;color:inherit;border:1.5px solid transparent;transition:border-color .14s,box-shadow .14s}.td-worklink:hover{border-color:var(--blue);box-shadow:0 6px 22px #1416281a}.td-worklink-h{font-weight:700;font-size:15px;margin-bottom:2px}.td-worklink-go{font-weight:700;color:var(--blue);white-space:nowrap}.sw-head{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}.sw-title{font-size:16px;font-weight:800}.sw-stats{font-size:13px;color:var(--muted);margin-top:2px}.sw-actions{display:inline-flex;align-items:center;gap:8px;justify-content:flex-end;flex-wrap:wrap}.sw-progress{font-size:13px;font-weight:700;color:var(--blue-deep)}.sw-detail{padding:8px 2px 12px}.sw-probs{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}.sw-prob{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 12px 14px}.sw-prob-top{display:flex;align-items:center;gap:8px;margin-bottom:4px}.sw-prob-n{font-weight:800;font-size:13.5px;white-space:nowrap}.sw-res{font-size:11.5px;font-weight:700;padding:2px 9px;border-radius:20px;background:#eef0f6;color:var(--soft);white-space:nowrap}.sw-res.g{background:var(--good-bg);color:var(--good)}.sw-res.b{background:var(--bad-bg);color:var(--bad)}.sw-prob-meta{font-size:12px;color:var(--muted);margin-bottom:9px}.sw-none{font-size:12.5px;color:var(--muted)}.sw-prob .work-thumb{width:84px;height:84px;padding:0;cursor:zoom-in}.modal.sw-viewer{max-width:880px}.sw-viewer-h{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:14px}.sw-viewer img{display:block;max-width:100%;max-height:68vh;margin:0 auto;border-radius:8px;background:var(--bg)}.sw-viewer .tp-choices{max-width:none}.sw-req{font-size:10.5px;font-weight:700;color:var(--blue-deep);background:var(--blue-tint);border-radius:20px;padding:2px 8px;white-space:nowrap}.sw-parts{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:9px}.sw-miss{font-size:12px;font-weight:700;color:var(--bad);margin-top:2px}.sw-none.bad{color:var(--bad);font-weight:600}.sw-pdf-view{display:flex;flex-direction:column;align-items:center;gap:10px;padding:18px 0}.sw-pdf-view .work-pdf{width:110px;height:130px;border:1px solid var(--line);border-radius:10px}.bk-ref{display:flex;gap:12px;align-items:flex-start;background:var(--blue-tint);border-radius:12px;padding:14px 16px;margin:0 0 16px}.bk-ref.compact{padding:10px 12px;margin-bottom:10px}.bk-icon{flex:none;width:38px;height:38px;border-radius:10px;background:#fff;color:var(--blue-deep);display:grid;place-items:center}.bk-icon svg{width:21px;height:21px}.bk-book{font-size:11.5px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--blue-deep)}.bk-num{font-size:22px;font-weight:800;letter-spacing:-.01em;line-height:1.25;margin-top:1px}.bk-ref.compact .bk-num{font-size:16px}.bk-sub{font-size:15px;font-weight:700;color:var(--soft)}.bk-page{font-size:13px;color:var(--soft);margin-top:2px}.bk-prompt{font-size:14.5px;font-weight:600;line-height:1.5;margin:0 0 12px}.bk-parts{display:flex;flex-direction:column;gap:9px}.bk-part{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px;border:1.5px solid var(--line);border-radius:10px;padding:9px 12px;background:#fff;font-size:14px}.bk-part.correct{border-color:var(--good);background:var(--good-bg)}.bk-part.wrong{border-color:var(--bad);background:var(--bad-bg)}.bk-part.proof{background:#fafbfc;border-style:dashed}.bk-label{display:inline-block;margin:0;font-weight:700;font-size:14.5px;min-width:52px;color:var(--ink)}.bk-input{width:160px;max-width:100%;font-size:17px;font-weight:700;padding:8px 11px;border:2px solid var(--line);border-radius:9px;font-family:var(--sans)}.bk-input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-tint)}.bk-unit{font-size:15px;font-weight:700;color:var(--soft)}.bk-sqrt{border:1.5px solid var(--line);background:#fff;border-radius:8px;padding:5px 11px;font-size:15px;font-weight:700;cursor:pointer;color:var(--soft);font-family:inherit}.bk-sqrt:hover{border-color:var(--blue);color:var(--blue-deep)}.bk-chips{display:flex;flex-wrap:wrap;gap:7px}.bk-chips .bank-chip{padding:5px 13px;font-size:13.5px}.bk-proof{color:var(--soft);font-style:italic}.bk-fix{font-size:13px;color:var(--bad)}.bk-yours{color:var(--soft)}.work.required{border-color:#9dbd6a;background:#f8fbf2}.work.off{font-size:13px;color:var(--soft)}.work-req{font-size:10px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:#fff;background:var(--blue);border-radius:20px;padding:2px 8px;margin-left:6px;vertical-align:1px}.work-need{margin-top:10px;font-size:12.5px;font-weight:700;color:var(--blue-deep)}.work-pdf{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;background:#fff;color:#b3261e;font-size:11px;font-weight:800;letter-spacing:.04em}.work-pdf svg{width:30px;height:30px}.fin{margin-top:14px;border:1.5px solid var(--blue);background:#f8fbf2;border-radius:12px;padding:14px 16px}.fin-h{font-weight:800;font-size:15px}.fin-p{margin:4px 0 10px;font-size:13.5px;color:var(--soft)}.fin-list{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:12px}.fin-actions{display:flex;gap:8px;flex-wrap:wrap}.hw-note{display:inline-block;margin-left:8px;font-size:11.5px;font-weight:700;color:var(--blue-deep);background:var(--blue-tint);border-radius:20px;padding:2px 9px;vertical-align:2px}.hw-assigned{margin-top:7px;font-size:12.5px;line-height:1.6;color:var(--soft);background:#fafbfc;border:1px solid var(--line);border-radius:8px;padding:7px 10px}.bank-input.good{border-color:var(--good);color:var(--good)}.bank-input.bad{border-color:var(--bad);color:var(--bad);text-decoration:line-through}.ans-line{margin-top:12px;font-size:14px}.ans-good{color:var(--good)}.ans-bad{color:var(--bad)}.seed-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:0 0 16px;padding:12px 14px;background:var(--blue-tint);border-radius:10px}.cls-cell{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.cls-chips{display:flex;flex-wrap:wrap;gap:5px}.cls-chip{font-size:11.5px;font-weight:700;color:var(--blue-deep);background:var(--blue-tint);border-radius:20px;padding:2px 9px;white-space:nowrap}.cls-pick{max-height:190px;overflow-y:auto;border:1.5px solid var(--line);border-radius:10px;padding:2px 12px 8px;background:#fff}.cls-pick-h{font-size:10.5px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);margin:8px 0 2px}.cls-pick-hint{font-weight:500;color:var(--muted);margin-left:6px}label.cls-pick-item{display:flex;align-items:center;gap:8px;margin:0;padding:3px 0;font-size:13.5px;font-weight:500;color:var(--ink);cursor:pointer}.td-student-classes{font-size:12px;color:var(--blue-deep);margin-top:2px}.hist-filters{display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;margin:0 0 14px}.hist-filter{display:flex;align-items:center;gap:10px;min-width:0}.hist-filter label{margin:0;white-space:nowrap}.hist-filter select{width:auto;min-width:190px;max-width:300px}@media (max-width:640px){.hist-filter{width:100%}.hist-filter select{flex:1;min-width:0;max-width:none}}