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* 3);font-size:var(--text-2xl,1.5rem);line-height:var(--tw-leading,var(--text-2xl--line-height,calc(2 / 1.5)));--tw-font-weight:var(--font-weight-semibold,600);font-weight:var(--font-weight-semibold,600);--tw-tracking:var(--tracking-wide,.025em);letter-spacing:var(--tracking-wide,.025em);font-size:20px;font-weight:700;font-family:Pixelify Sans,system-ui,monospace!important}@media(max-width:1024px){.auth-logo{height:calc(var(--spacing,.25rem) * 14)}}@media(max-width:768px){.auth-wrap{padding-inline:calc(var(--spacing,.25rem) * 4);padding-top:calc(var(--spacing,.25rem) * 4);padding-bottom:calc(var(--spacing,.25rem) * 10)}.auth-title{font-size:var(--text-3xl,1.875rem);line-height:var(--tw-leading,var(--text-3xl--line-height, 1.2 ))}.user-card__img{width:200px;height:200px}:root{--back-h:40px}}@media(max-width:480px){.auth-title{font-size:var(--text-2xl,1.5rem);line-height:var(--tw-leading,var(--text-2xl--line-height,calc(2 / 1.5)))}.user-card__img{width:180px;height:180px}:root{--back-h:36px}}}@property --tw-tracking{syntax:"*";inherits:false}.student-theme .auth-input::-moz-placeholder{font-family:Pixelify Sans,system-ui,monospace!important}.student-theme .auth-label,.student-theme .auth-input,.student-theme .auth-input::placeholder,.student-theme .auth-footer,.student-theme .auth-footer .auth-link{font-family:Pixelify Sans,system-ui,monospace!important}.student-theme .auth-title{margin-top:5rem;margin-bottom:3rem;font-family:Pixelify Sans,system-ui,monospace;font-size:clamp(20px,4vw,35px);font-weight:700;line-height:1}.student-theme .auth-label{letter-spacing:.1px;font-size:20px;font-weight:700}.student-theme .auth-input{letter-spacing:.1px;padding:13px 15px;font-size:17px}.student-theme .auth-input::-moz-placeholder{color:#aeb8c4;opacity:1}.student-theme .auth-input::placeholder{color:#aeb8c4;opacity:1}.student-theme .auth-input:focus{border-color:#ffc400;outline:none;box-shadow:0 0 0 3px #ffc40040}.student-theme .auth-error-msg{color:red;text-align:center;margin-top:.3px;font-family:Pixelify Sans,system-ui,monospace;font-weight:700}.student-theme .auth-footer{color:#fff;margin-top:20px;font-size:18px}.student-theme .auth-footer .auth-link{color:#ffc400;font-size:18px;font-weight:700;text-decoration:none}.student-theme .auth-footer .auth-link:hover{text-decoration:underline}.student-theme .auth-grid{gap:20px 48px;margin-bottom:25px}.student-theme .cta-row{justify-content:center;margin-top:40px;display:flex}.student-theme .btn-pixel{--btn-bg:#f4bc10;--btn-border:#031e31;background:var(--btn-bg);border:6px solid var(--btn-border);color:var(--btn-border);-webkit-user-select:none;-moz-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;border-radius:18px;justify-content:center;align-items:center;padding:10px 20px;font-family:Pixelify Sans,system-ui,monospace;font-size:20px;font-weight:800;text-decoration:none;display:inline-flex;position:relative;box-shadow:0 4px #00000059}.student-theme .btn-pixel--xl{min-width:500px;padding:6px 28px}.student-theme .btn-pixel:disabled{opacity:.7;pointer-events:none;cursor:not-allowed}.student-theme .pwd-input-wrap{position:relative}.student-theme .pwd-input{padding-right:48px}.student-theme .pwd-eye-btn{cursor:pointer;color:#1e3a8a;background:0 0;border:none;place-items:center;width:36px;height:36px;display:grid;position:absolute;top:50%;right:12px;transform:translateY(-50%)}.student-theme .pwd-eye-btn:hover{color:#f0b90b}.student-theme .pwd-eye-btn:focus{border-radius:6px;outline:none;box-shadow:0 0 0 2px #1e3a8a59}.student-theme .pwd-eye-btn svg{display:block}.student-theme .spacer-3rem{height:3rem}@media(max-width:1024px){.student-theme .btn-pixel--xl{min-width:440px}}@media(max-width:768px){.student-theme .auth-grid{gap:20px 24px}.student-theme .btn-pixel--xl{min-width:360px}}@media(max-width:480px){.student-theme .btn-pixel--xl{min-width:260px}}.teacher-theme .auth-title{margin-top:5rem;margin-bottom:3rem;font-family:Pixelify Sans,system-ui,monospace;font-size:clamp(20px,4vw,35px);font-weight:700;line-height:1}.teacher-theme .auth-input::-moz-placeholder{font-family:Pixelify Sans,system-ui,monospace!important}.teacher-theme .auth-label,.teacher-theme .auth-input,.teacher-theme .auth-input::placeholder,.teacher-theme .auth-footer,.teacher-theme .auth-footer .auth-link{font-family:Pixelify Sans,system-ui,monospace!important}.teacher-theme .auth-label{letter-spacing:.1px;font-size:20px;font-weight:700}.teacher-theme .auth-input{letter-spacing:.5px;padding:13px 15px;font-size:17px}.teacher-theme .auth-input::-moz-placeholder{color:#aeb8c4;opacity:1}.teacher-theme .auth-input::placeholder{color:#aeb8c4;opacity:1}.teacher-theme .auth-input:focus{border-color:#ffc400;outline:none;box-shadow:0 0 0 3px #ffc40040}.teacher-theme .auth-error-msg{color:red;text-align:center;margin-top:.3px;font-family:Pixelify Sans,system-ui,monospace;font-weight:800}.teacher-theme .auth-footer{color:#fff;margin-top:20px;font-size:18px}.teacher-theme .auth-footer .auth-link{color:#ffc400;font-size:18px;font-weight:700;text-decoration:none}.teacher-theme .auth-footer .auth-link:hover{text-decoration:underline}.teacher-theme .auth-grid{gap:20px 48px;margin-bottom:25px}.teacher-theme .cta-row{justify-content:center;margin-top:40px;display:flex}.teacher-theme .btn-pixel{--btn-bg:#f4bc10;--btn-border:#031e31;background:var(--btn-bg);border:6px solid var(--btn-border);color:var(--btn-border);-webkit-user-select:none;-moz-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;border-radius:18px;justify-content:center;align-items:center;padding:10px 20px;font-family:Pixelify Sans,system-ui,monospace;font-size:20px;font-weight:800;text-decoration:none;display:inline-flex;position:relative;box-shadow:0 4px #00000059}.teacher-theme .btn-pixel--xl{min-width:500px;padding:6px 28px}.teacher-theme .btn-pixel:disabled{opacity:.7;pointer-events:none;cursor:not-allowed}@media(max-width:480px){.teacher-theme .btn-pixel--xl{min-width:260px}}.teacher-theme .pwd-input-wrap{position:relative}.teacher-theme .pwd-input{padding-right:48px}.teacher-theme .pwd-eye-btn{cursor:pointer;color:#1e3a8a;background:0 0;border:none;place-items:center;width:36px;height:36px;display:grid;position:absolute;top:50%;right:12px;transform:translateY(-50%)}.teacher-theme .pwd-eye-btn:hover{color:#f0b90b}.teacher-theme .pwd-eye-btn:focus{border-radius:6px;outline:none;box-shadow:0 0 0 2px #1e3a8a59}.teacher-theme .pwd-eye-btn svg{display:block}.teacher-theme .spacer-3rem{height:3rem}@media(max-width:768px){.teacher-theme .auth-grid{gap:18px 24px}}@layer properties{@supports ((-webkit-hyphens:none) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-font-weight:initial}}}@layer components{:root{--page-bg:#0b3f72;--accent:#ffc400;--text:#fff;--input-bg:#fff;--input-br:#d9d9d9;--font-ui:system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;--font-8bit:"Pixelify Sans", system-ui, monospace}.signin-theme{background:var(--page-bg);color:var(--text);font-family:var(--font-ui)}.signin-theme .auth-header{margin-bottom:calc(var(--spacing,.25rem) * 6);justify-content:space-between;align-items:center;display:flex}.signin-theme .auth-logo{height:calc(var(--spacing,.25rem) * 16);width:auto;image-rendering:pixelated}.signin-theme .back-btn{height:44px;display:inline-block}.signin-theme .back-btn>img{width:auto;height:100%;image-rendering:pixelated;display:block}@media(max-width:768px){.signin-theme .back-btn{height:40px}}@media(max-width:480px){.signin-theme .back-btn{height:36px}}.signin-theme .auth-title{text-align:center;font-size:var(--text-3xl,1.875rem);line-height:var(--tw-leading,var(--text-3xl--line-height, 1.2 ));--tw-font-weight:var(--font-weight-bold,700);font-weight:var(--font-weight-bold,700);margin-top:7.5rem;margin-bottom:3rem}@media(min-width:48rem){.signin-theme .auth-title{font-size:var(--text-4xl,2.25rem);line-height:var(--tw-leading,var(--text-4xl--line-height,calc(2.5 / 2.25)))}}.signin-theme .auth-title{font-family:var(--font-8bit);letter-spacing:.1px;font-size:30px;line-height:1}.signin-theme .auth-grid{gap:calc(var(--spacing,.25rem) * 6);display:grid}@media(min-width:48rem){.signin-theme .auth-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}.signin-theme .auth-grid{margin-bottom:30px}.signin-theme .auth-label{margin-bottom:calc(var(--spacing,.25rem) * 2);font-family:var(--font-8bit);font-size:18px;font-weight:700;line-height:1;display:block}.signin-theme .auth-input{background:var(--input-bg);border:2px solid var(--input-br);width:100%;font-family:var(--font-8bit);letter-spacing:.3px;color:#000;border-radius:12px;outline:none;padding:14px 16px;font-size:15px;box-shadow:0 6px #00000040}.signin-theme .auth-input::-moz-placeholder{color:#aeb8c4;opacity:1}.signin-theme .auth-input::placeholder{color:#aeb8c4;opacity:1}.signin-theme .auth-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #ffc40040,0 6px #00000040}.signin-theme .pwd-input-wrap{position:relative}.signin-theme .pwd-input{padding-right:48px}.signin-theme .pwd-eye-btn{cursor:pointer;color:#1e3a8a;background:0 0;border:none;place-items:center;width:36px;height:36px;display:grid;position:absolute;top:50%;right:12px;transform:translateY(-50%)}.signin-theme .pwd-eye-btn:hover{color:#f0b90b}.signin-theme .pwd-eye-btn:focus{border-radius:6px;outline:none;box-shadow:0 0 0 2px #1e3a8a59}.signin-theme .pwd-eye-btn svg{display:block}.signin-theme .cta-row{justify-content:center;width:100%;margin-top:6px;display:flex}.signin-theme .signin-btn{font-family:var(--font-8bit);color:#031e31;cursor:pointer;background:#f4bc10;border:6px solid #031e31;border-radius:19px;width:100%;max-width:490px;padding:9px 30px;font-size:18px;font-weight:800;transition:transform .2s,box-shadow .2s;box-shadow:0 5px #00000059}.signin-theme .signin-btn:hover{transform:translateY(-3px);box-shadow:0 8px #00000059}.signin-theme .signin-btn:active{transform:translateY(1px);box-shadow:0 3px #00000059}.signin-theme .signin-btn:disabled{opacity:.7;pointer-events:none;cursor:not-allowed}.signin-theme .auth-error-msg{color:red;text-align:center;min-height:20px;font-family:var(--font-8bit);margin-top:8px}.signin-theme .spacer-3rem{height:3rem}.signin-theme .auth-footer{text-align:center;color:var(--text);font-family:var(--font-8bit);margin-top:18px;font-size:16px}.signin-theme .auth-footer .auth-link{color:var(--accent);font-family:var(--font-8bit);text-decoration:none}.signin-theme .auth-footer .auth-link:hover{text-decoration:underline}@media(max-width:1024px){.signin-theme .auth-logo{height:calc(var(--spacing,.25rem) * 14)}}@media(max-width:768px){.signin-theme .auth-title{font-size:var(--text-3xl,1.875rem);line-height:var(--tw-leading,var(--text-3xl--line-height, 1.2 ))}.signin-theme .auth-grid{gap:calc(var(--spacing,.25rem) * 5)}.signin-theme .signin-btn{max-width:420px}}@media(max-width:480px){.signin-theme .auth-title{font-size:var(--text-2xl,1.5rem);line-height:var(--tw-leading,var(--text-2xl--line-height,calc(2 / 1.5)))}.signin-theme .signin-btn{border-radius:16px;max-width:100%;padding:10px 16px;font-size:16px}}}@property --tw-font-weight{syntax:"*";inherits:false}:root{--sd-bg:#071e3a;--sd-surface:#092649;--sd-card:#0c2f5a;--sd-card2:#0a2448;--sd-border:#031e31;--sd-line:#ffffff12;--sd-text:#fff;--sd-muted:#8baed6;--sd-accent:#f4bc10;--sd-accentl:#ffd54f;--sd-green:#2e7d32;--sd-red:#c62828;--sd-radius:10px;--sd-shadow:0 4px 20px #00000073;--sd-sidebar:88px;--sd-header:64px;--sd-pixel:"Pixelify Sans", system-ui, monospace}.font-pixel{font-family:var(--sd-pixel);letter-spacing:.5px}.sd-page{background:var(--sd-bg);min-height:100dvh;color:var(--sd-text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.sd-header{z-index:20;background:var(--sd-surface);border-bottom:3px solid var(--sd-border);height:var(--sd-header);position:sticky;top:0;box-shadow:0 2px 12px #031e31b3,0 0 0 1px #f4bc1014}.sd-header__inner{justify-content:space-between;align-items:center;max-width:1280px;height:100%;margin:0 auto;padding:0 24px;display:flex}.sd-logo{width:auto;height:44px;display:block}.sd-logo-wrap{display:inline-flex}.sd-header__right{align-items:center;gap:10px;display:flex}.sd-user-chip{font-family:var(--sd-pixel);color:var(--sd-accent);background:#f4bc101f;border:1.5px solid #f4bc104d;border-radius:8px;padding:5px 10px;font-size:11px}.sd-header__menu-row{display:none}.sd-hamburger{cursor:pointer;-webkit-tap-highlight-color:transparent;background:#00000040;border:2px solid #ffffff40;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:36px;display:flex}.sd-hamburger span{background:#fff;border-radius:999px;width:70%;height:3px;transition:transform .18s,opacity .18s}.sd-hamburger.is-open span:first-child{transform:translateY(4px)rotate(45deg)}.sd-hamburger.is-open span:nth-child(2){opacity:0}.sd-hamburger.is-open span:nth-child(3){transform:translateY(-4px)rotate(-45deg)}.sd-shell{grid-template-columns:var(--sd-sidebar) 1fr;gap:20px;max-width:1280px;margin:0 auto;padding:20px 20px 48px;display:grid}.sd-sidebar{top:calc(var(--sd-header) + 12px);align-self:start;transition:transform .22s,opacity .22s;position:sticky}.sd-side-nav{background:var(--sd-surface);border:2px solid var(--sd-border);border-radius:14px;flex-direction:column;gap:4px;padding:10px 6px;display:flex}.sd-side-item{color:var(--sd-muted);cursor:pointer;background:0 0;border:2px solid #0000;border-radius:10px;flex-direction:column;align-items:center;gap:5px;padding:10px 6px;text-decoration:none;transition:background .15s,color .15s,border-color .15s;display:flex}.sd-side-item:hover{color:var(--sd-accentl);background:#f4bc1012}.sd-side-item.active{color:var(--sd-accent);background:#f4bc101f;border-color:#f4bc1040}.sd-side-ico{place-items:center;font-size:22px;line-height:1;display:grid}.sd-side-ico img{width:28px;height:28px;image-rendering:pixelated;display:block}.sd-side-txt{font-family:var(--sd-pixel);text-align:center;font-size:9px;line-height:1.2}.sd-side-sep{background:var(--sd-line);height:1px;margin:6px 0}.sd-side-exit{color:#fca5a5}.sd-side-exit:hover{color:#f87171}.sd-content{min-width:0;display:block}.sd-layout{grid-template-columns:1fr 300px;gap:18px;display:grid}.sd-stack{gap:16px;min-width:0;display:grid}.sd-greet{padding:2px 4px}.sd-h1{font-family:var(--sd-pixel);margin:0;font-size:22px;line-height:1.2}.sd-h2{font-family:var(--sd-pixel);margin:0;font-size:18px}.sd-h3{font-family:var(--sd-pixel);margin:0 0 10px;font-size:13px}.sd-accent{color:var(--sd-accent)}.sd-muted{color:var(--sd-muted)}.sd-card{background:var(--sd-card);border:2px solid var(--sd-border);border-radius:var(--sd-radius);box-shadow:3px 3px 0 var(--sd-border);padding:16px}.sd-card__hdr{justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px;display:flex}.sd-card--level{background:var(--sd-surface)}.sd-level-head{justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px;display:flex}.sd-level-lbl{font-family:var(--sd-pixel);font-size:14px}.sd-level-tag{font-family:var(--sd-pixel);color:var(--sd-accent);background:#f4bc1026;border:1.5px solid #f4bc104d;border-radius:6px;padding:4px 8px;font-size:10px}.sd-level__bar{background:var(--sd-bg);border:2px solid var(--sd-border);border-radius:8px;height:14px;overflow:hidden}.sd-level__fill{background:linear-gradient(90deg,#f4bc10,#ffd54f);border-radius:6px;height:100%;transition:width .4s}.sd-level__meta{font-family:var(--sd-pixel);color:var(--sd-muted);margin-top:6px;font-size:10px}.sd-stats-row{grid-template-columns:repeat(3,1fr);gap:10px;margin-top:10px;display:grid}.sd-stat{background:var(--sd-surface);border:2px solid var(--sd-border);text-align:center;border-radius:8px;padding:10px}.sd-stat__val{font-family:var(--sd-pixel);color:var(--sd-accent);font-size:20px;display:block}.sd-stat__lbl{color:var(--sd-muted);margin-top:4px;font-size:11px;display:block}.sd-card--test{background:var(--sd-card)}.sd-test-badge{font-family:var(--sd-pixel);color:var(--sd-accentl);white-space:nowrap;background:#f4bc101f;border:1.5px solid #f4bc1033;border-radius:6px;padding:4px 10px;font-size:11px}.sd-test-body{grid-template-columns:1fr 56px 160px;align-items:center;gap:12px;margin-top:10px;display:grid}.sd-test-reco{background:var(--sd-surface);border:2px solid var(--sd-border);text-align:center;min-height:76px;color:var(--sd-muted);border-radius:8px;place-items:center;padding:8px;font-size:12px;display:grid}.sd-test-reco b{font-family:var(--sd-pixel);color:var(--sd-text);font-size:11px}.sd-test-play{border:2px solid var(--sd-border);background:var(--sd-surface);width:52px;height:52px;color:var(--sd-accent);cursor:pointer;border-radius:50%;place-items:center;font-size:20px;transition:transform .15s,box-shadow .15s;display:grid}.sd-test-play:hover{box-shadow:0 4px 0 var(--sd-border);transform:translateY(-2px)}.sd-test-right{color:var(--sd-muted);font-size:12px}.sd-test-title{font-family:var(--sd-pixel);color:var(--sd-text);margin-bottom:4px;font-size:10px}.sd-test-topics{color:var(--sd-accentl);padding-left:14px;line-height:1.7}.sd-lower-grid{grid-template-columns:1fr 1.1fr;gap:16px;display:grid}.sd-card--rank{background:var(--sd-card)}.sd-rank-list{gap:6px;margin:0;padding:0;list-style:none;display:grid}.sd-rank-row{background:var(--sd-surface);border:2px solid var(--sd-border);border-radius:8px;grid-template-columns:26px 1fr auto;align-items:center;gap:8px;padding:7px 10px;display:grid}.sd-rank-row.is-you{border-color:var(--sd-accent);background:#f4bc1012}.sd-rank-pos{font-family:var(--sd-pixel);color:var(--sd-muted);text-align:center;font-size:12px}.sd-rank-row.is-you .sd-rank-pos{color:var(--sd-accent)}.sd-rank-name{white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.sd-rank-exp{font-family:var(--sd-pixel);color:var(--sd-muted);white-space:nowrap;font-size:10px}.sd-tiles{grid-template-columns:repeat(3,1fr);align-content:start;gap:12px;display:grid}.sd-tile{background:var(--sd-accent);color:#031e31;border:3px solid var(--sd-border);border-radius:var(--sd-radius);height:100px;box-shadow:3px 4px 0 var(--sd-border);cursor:pointer;font-family:var(--sd-pixel);text-align:center;place-items:center;font-size:12px;font-weight:700;line-height:1.2;transition:transform .12s,box-shadow .12s;display:grid}.sd-tile:hover{box-shadow:3px 7px 0 var(--sd-border);transform:translateY(-3px)}.sd-tile:active{box-shadow:2px 2px 0 var(--sd-border);transform:translateY(1px)}.sd-tile--wide{grid-column:span 3;height:80px}.sd-tile--blue{color:#fff;background:#0c4a8c}.sd-tile--disabled{opacity:.45;cursor:not-allowed}.sd-tile--disabled:hover{box-shadow:3px 4px 0 var(--sd-border);transform:none}.sd-card--class{background:var(--sd-card2)}.sd-class-head{justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px;display:flex}.sd-class-toggle{border:2px solid var(--sd-border);background:var(--sd-surface);color:#fff;cursor:pointer;border-radius:50%;place-items:center;width:28px;height:28px;transition:transform .15s;display:grid}.sd-class-toggle:hover{background:var(--sd-card)}.sd-class-toggle-ico{transition:transform .2s;display:block}.sd-card--class[data-open=true] .sd-class-toggle-ico{transform:rotate(180deg)}.sd-class-pill{background:var(--sd-surface);border:2px solid var(--sd-border);border-radius:8px;align-items:center;gap:8px;padding:10px 12px;display:flex;position:relative}.sd-class-label{font-family:var(--sd-pixel);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:11px;display:block;overflow:hidden}.sd-class-time{font-family:var(--sd-pixel);background:var(--sd-bg);border:2px solid var(--sd-border);white-space:nowrap;border-radius:6px;padding:4px 8px;font-size:10px}.sd-class-inner{opacity:0;max-height:0;transition:max-height .28s,opacity .2s,transform .2s,margin-top .2s;overflow:hidden;transform:translateY(-4px)}.sd-card--class[data-open=true] .sd-class-inner{opacity:1;max-height:300px;margin-top:10px;transform:none}.sd-class-link{color:var(--sd-accentl);cursor:pointer;background:0 0;border:none;margin-top:8px;padding:0;font-size:12px;text-decoration:underline;display:inline-block}.sd-class-more{color:var(--sd-muted);margin-top:8px;padding-left:16px;font-size:12px;line-height:1.8}.sd-page-hdr{margin-bottom:20px}.sd-page-hdr__title{font-family:var(--sd-pixel);color:var(--sd-text);margin:0 0 4px;font-size:20px}.sd-page-hdr__sub{color:var(--sd-muted);font-size:13px}.sd-classes-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;display:grid}.sd-class-card{background:var(--sd-card);border:2px solid var(--sd-border);border-radius:var(--sd-radius);box-shadow:3px 3px 0 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