:root{color-scheme:light;font-family:Sora,Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.6;font-weight:500;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--sidebar-width-collapsed: 76px;--sidebar-width-expanded: 220px;--sidebar-offset: 12px;--sidebar-gap: 16px;--color-primary: #006a71;--color-accent: #48a6a7;--color-highlight: #9acbd0;--surface-body: #f2efe7;--surface-card: #ffffff;--border-subtle: #d8d4c7;--text-primary: #0c1b20;--text-muted: #47656a;--color-error: #ef4444;--shadow-soft: 0 18px 50px rgba(0, 106, 113, .12);--radius-card: 18px;--gradient-soft: linear-gradient(120deg, rgba(154, 203, 208, .35) 0%, rgba(72, 166, 167, .22) 100%)}[data-theme=dark]{color-scheme:dark;--color-primary: #48a6a7;--color-accent: #9acbd0;--color-highlight: #3c8d90;--surface-body: #041a1c;--surface-card: #082328;--border-subtle: #0e3a41;--text-primary: #e4f4f4;--text-muted: #9acbd0;--color-error: #f87171;--shadow-soft: 0 18px 60px rgba(0, 0, 0, .55);--gradient-soft: linear-gradient(120deg, rgba(72, 166, 167, .28) 0%, rgba(0, 106, 113, .3) 100%)}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-height:100svh;overflow-x:hidden;background:var(--surface-body);color:var(--text-primary)}input::-ms-reveal,input::-ms-clear{display:none}input:-webkit-autofill,input:-webkit-autofill:hover,input:-webkit-autofill:focus,input:-webkit-autofill:active{-webkit-box-shadow:0 0 0 30px var(--surface-card) inset!important;-webkit-text-fill-color:var(--text-primary)!important;transition:background-color 5000s ease-in-out 0s;border-radius:14px}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes slideOutRight{0%{opacity:1;transform:translate(0)}to{opacity:0;transform:translate(20px)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes slideInRightEnhanced{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}.animate-fade-in{animation:fadeIn .3s ease-out forwards}.animate-scale-in{animation:scaleIn .2s ease-out forwards}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-subtle);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.eyebrow{margin:0 0 6px;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted)}.lede{margin:0;color:var(--text-muted);max-width:520px}h1{margin:0 0 4px;font-size:clamp(28px,4vw,40px);letter-spacing:-.02em}.section{display:flex;flex-direction:column;gap:16px}.section-head h2{margin:0 0 4px;font-size:18px;letter-spacing:-.01em}.section-head p{margin:0;color:var(--text-muted)}.type-stack{display:grid;gap:12px}.type-card{border:1px solid var(--border-subtle);border-radius:12px;padding:16px;background:var(--surface-card)}.type-eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:8px}.type-h1{font-size:clamp(24px,3.4vw,32px);font-weight:700;margin:0 0 6px}.type-h2{font-size:20px;font-weight:700;margin:0 0 4px}.type-body-strong{font-weight:700;margin:0 0 4px}.type-body{margin:0;color:var(--text-muted)}.app-layout{position:relative;min-height:100svh;background:var(--gradient-soft),var(--surface-body);--notification-toast-offset: 88px}.app-layout-content{position:relative;z-index:1;min-height:100svh}.public-layout{position:relative;min-height:100vh}.public-content{position:relative;z-index:1;display:flex;flex-direction:column;min-height:100vh}.public-canvas{position:fixed;top:0;right:0;bottom:0;left:0;z-index:0;pointer-events:none;background:radial-gradient(58% 42% at 8% 12%,#9acbd057,#9acbd000 72%),radial-gradient(52% 38% at 92% 16%,#48a6a738,#48a6a700 74%),radial-gradient(60% 48% at 50% 100%,#006a7117,#006a7100 78%)}[data-theme=dark] .public-canvas{background:radial-gradient(58% 42% at 8% 12%,#48a6a742,#48a6a700 72%),radial-gradient(52% 38% at 92% 16%,#9acbd029,#9acbd000 74%),radial-gradient(60% 48% at 50% 100%,#48a6a724,#48a6a700 78%)}.header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}#app{min-height:100vh;--notification-toast-offset: 88px}.page{min-height:100vh;display:flex;align-items:flex-start;justify-content:center;padding-top:clamp(20px,4vh,48px);padding-right:clamp(20px,4vw,32px);padding-bottom:clamp(20px,4vw,32px);padding-left:calc(var(--sidebar-width-collapsed) + var(--sidebar-gap) + var(--sidebar-offset));transition:padding-left .2s ease}.app-layout[data-nav-open=true] .page{padding-left:calc(var(--sidebar-width-expanded) + var(--sidebar-gap) + var(--sidebar-offset))}.app-shell{width:min(1400px,100%);background:var(--surface-card);border:1px solid var(--border-subtle);border-radius:var(--radius-card);padding:clamp(18px,3vw,32px);box-shadow:var(--shadow-soft);display:flex;flex-direction:column;gap:32px}.exam-page-shell{display:grid;gap:24px}.exam-page-header{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:16px}.exam-page-header h1{margin:0 0 8px}.exam-page-actions{min-width:min(100%,520px)}.mock-exam-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}.mock-exam-card{min-height:220px;display:flex;flex-direction:column;justify-content:space-between;gap:18px;padding:24px;border-radius:12px;border:1px solid var(--border-subtle);background:var(--surface-body);color:var(--text-primary);text-decoration:none;transition:transform .16s ease,border-color .16s ease,box-shadow .16s 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ease}.fab:hover{transform:scale(1.05)}.fab:after{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);transform:skew(-20deg);transition:left .5s}.fab:hover:after{left:100%;transition:left .5s ease-in-out}.ripple-btn{position:relative;overflow:hidden}.ripple{position:absolute;border-radius:50%;background:#ffffff4d;transform:scale(0);animation:ripple .6s linear;pointer-events:none}@keyframes ripple{to{transform:scale(4);opacity:0}}.link{color:var(--color-primary);font-weight:700;text-decoration:none}.tooltip-demo{position:relative;display:inline-flex;align-items:center;gap:6px;width:fit-content}.tooltip-target{width:24px;height:24px;border-radius:50%;border:1px solid var(--color-primary);background:#38bdf81a;color:var(--color-primary);display:inline-flex;align-items:center;justify-content:center;cursor:help;transition:all .2s 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color-shift{0%,to{background-color:var(--color-primary)}50%{background-color:var(--color-accent)}}.loader-square{position:absolute;top:0;left:0;width:28px;height:28px;margin:2px;border-radius:0;background:var(--color-primary);background-size:cover;background-position:center;background-attachment:fixed;animation:square-animation 10s ease-in-out infinite both,color-shift 10s ease-in-out infinite both}.loader-square:nth-of-type(0){animation-delay:0s}.loader-square:nth-of-type(1){animation-delay:-1.4285714286s}.loader-square:nth-of-type(2){animation-delay:-2.8571428571s}.loader-square:nth-of-type(3){animation-delay:-4.2857142857s}.loader-square:nth-of-type(4){animation-delay:-5.7142857143s}.loader-square:nth-of-type(5){animation-delay:-7.1428571429s}.loader-square:nth-of-type(6){animation-delay:-8.5714285714s}.loader-square:nth-of-type(7){animation-delay:-10s}@keyframes square-animation{0%{left:0;top:0}10.5%{left:0;top:0}12.5%{left:32px;top:0}23%{left:32px;top:0}25%{left:64px;top:0}35.5%{left:64px;top:0}37.5%{left:64px;top:32px}48%{left:64px;top:32px}50%{left:32px;top:32px}60.5%{left:32px;top:32px}62.5%{left:32px;top:64px}73%{left:32px;top:64px}75%{left:0;top:64px}85.5%{left:0;top:64px}87.5%{left:0;top:32px}98%{left:0;top:32px}to{left:0;top:0}}.logout-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;justify-content:center;align-items:center;z-index:9999;animation:fadeIn .3s ease-out}.skeleton{display:inline-block;position:relative;overflow:hidden;background:#38bdf81a}.skeleton:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;transform:translate(-100%);background:linear-gradient(90deg,transparent,rgba(255,255,255,.8),transparent);filter:blur(12px);animation:shimmer 1.5s infinite}@keyframes shimmer{to{transform:translate(100%)}}.skeleton.circle{border-radius:50%}.skeleton.text{border-radius:6px}.skeleton.rect{border-radius:8px}.toast{display:inline-flex;align-items:center;gap:8px;padding:10px 12px;background:#38bdf81f;border:1px solid var(--color-primary);border-radius:10px;box-shadow:var(--shadow-soft)}.toast-wrap{display:grid;gap:8px}.toast-dismiss{border:none;background:transparent;cursor:pointer;font-size:16px;line-height:1}.modal-demo{border:1px solid var(--border-subtle);border-radius:12px;padding:12px;display:grid;gap:8px}.modal-shell{display:grid;gap:10px;align-items:start}.modal-demo.is-open{border-color:var(--color-primary);box-shadow:var(--shadow-soft)}.modal-header{font-weight:700;font-size:18px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:9999;display:grid;place-items:center;animation:fadeIn .2s ease-out}.modal-content{background:var(--surface-card);border:1px solid var(--border-subtle);border-radius:16px;padding:24px;width:90%;max-width:400px;box-shadow:0 20px 60px #0003;z-index:10000;animation:scaleIn .2s ease-out;display:grid;gap:16px}.popover-demo{display:grid;gap:6px;align-items:center;width:fit-content}.popover-wrap{display:grid;gap:10px}.popover{position:absolute;bottom:100%;left:50%;transform:translate(-50%) translateY(-4px);border:1px solid var(--border-subtle);background:var(--surface-card);padding:8px 12px;border-radius:12px;box-shadow:var(--shadow-soft);opacity:0;pointer-events:none;transition:all .2s ease;white-space:nowrap;z-index:10}.popover.is-open{opacity:1;transform:translate(-50%) translateY(-8px);pointer-events:auto}.sidebar{position:fixed;top:16px;left:var(--sidebar-offset);height:calc(100vh - 32px);width:var(--sidebar-width-collapsed);background:var(--surface-card);border:1px solid var(--border-subtle);display:flex;flex-direction:column;gap:16px;padding:16px 12px;transition:width .2s 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ease;-webkit-appearance:none;-moz-appearance:none;appearance:none;cursor:pointer;overflow:hidden}.nav-label{opacity:0;width:0;transform:translate(-10px);transition:opacity .2s ease,transform .2s ease,width .2s ease;white-space:nowrap;overflow:hidden}.sidebar.is-open .nav-label{opacity:1;width:100%;transform:translate(0)}.sidebar-link.active{border-color:var(--color-primary);background:#38bdf824}.sidebar-link:hover{background:#38bdf81f}.nav-icon{width:20px;height:20px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;color:var(--text-primary)}.nav-icon svg{width:100%;height:100%}.sidebar:not(.is-open) .sidebar-link{gap:0}.sidebar:not(.is-open) .nav-label{width:0;opacity:0}.sidebar-logo-container{padding:8px 12px;display:flex;justify-content:center;align-items:center;margin-bottom:8px;transition:all .2s ease}.sidebar-footer{display:flex;flex-direction:column;gap:6px;margin-top:auto;flex-shrink:0}.sidebar-divider{height:1px;width:100%;background:var(--border-subtle);opacity:.6;margin:4px 0}.sidebar:not(.is-open) .sidebar-divider{margin:2px 0}.sidebar-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:300;animation:fadeIn .2s ease-out}@media(max-width:1024px){.sidebar{position:fixed;top:0;left:0;height:100dvh;width:280px!important;transform:translate(-100%);transition:transform .3s cubic-bezier(.4,0,.2,1);z-index:320;border-radius:0;border-right:1px solid var(--border-subtle);box-shadow:0 0 40px #0003;margin:0;display:flex;flex-direction:column;padding-bottom:env(safe-area-inset-bottom)}.sidebar.is-mobile-open{transform:translate(0)}.sidebar:not(.is-open) .sidebar-link{grid-template-columns:20px 1fr;display:flex;gap:10px;padding:10px 16px;justify-items:start}.sidebar:not(.is-open) .nav-label{display:block;width:auto;opacity:1;transform:none}.sidebar-header-mobile{display:flex}.sidebar-logo-container{display:none}}