.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1.5rem;position:relative;overflow:hidden;background:var(--md-surface)}.auth-bg-shapes{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:0}.shape{position:absolute;border-radius:50%;filter:blur(100px);opacity:.15}.shape-1{width:500px;height:500px;background:var(--md-primary);top:-150px;right:-150px;animation:float 8s ease-in-out infinite}.shape-2{width:400px;height:400px;background:var(--md-tertiary);bottom:-120px;left:-120px;animation:float 10s ease-in-out infinite reverse}.shape-3{width:300px;height:300px;background:var(--md-secondary);top:50%;left:50%;transform:translate(-50%,-50%);animation:float 12s ease-in-out infinite 2s}@keyframes float{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-20px) scale(1.03)}}.auth-card{position:relative;z-index:1;width:100%;max-width:420px;padding:2rem;background:var(--md-surface-container);border:1px solid var(--md-outline-variant);border-radius:var(--md-radius-xl);box-shadow:var(--md-shadow-xl)}.auth-logo{display:flex;justify-content:center;margin-bottom:1.25rem}.auth-logo-img{width:72px;height:72px;object-fit:contain;border-radius:var(--md-radius-md)}.auth-title{text-align:center;font-size:1.5rem;font-weight:700;color:var(--md-on-surface);margin-bottom:.25rem}.auth-subtitle{text-align:center;color:var(--md-on-surface-variant);font-size:.875rem;margin-bottom:1.5rem}.auth-error{background:var(--md-error-container);color:var(--md-on-error-container);padding:.75rem 1rem;border-radius:var(--md-radius-md);font-size:.85rem;margin-bottom:1rem;text-align:center;animation:scaleIn .2s ease-out}.auth-form{display:flex;flex-direction:column;gap:1.25rem}.input-group{position:relative}.input-group input{width:100%;padding:1rem 1rem .75rem;background:var(--md-surface-container-highest);border:none;border-bottom:2px solid var(--md-outline-variant);border-radius:var(--md-radius-xs) var(--md-radius-xs) 0 0;color:var(--md-on-surface);font-size:1rem;transition:all var(--transition-fast)}.input-group input:focus{border-bottom-color:var(--md-primary);background:var(--md-surface-container-highest)}.input-group label{position:absolute;left:1rem;top:50%;transform:translateY(-50%);font-size:1rem;color:var(--md-on-surface-variant);pointer-events:none;transition:all var(--transition-fast)}.input-group input:focus+label,.input-group input:not(:placeholder-shown)+label{top:.35rem;transform:translateY(0);font-size:.7rem;color:var(--md-primary);font-weight:500}.input-line{position:absolute;bottom:0;left:50%;width:0;height:2px;background:var(--md-primary);transition:all var(--transition-normal);transform:translate(-50%)}.input-group input:focus~.input-line{width:100%}.auth-toggle-row{display:flex;align-items:center}.toggle-label{display:flex;align-items:center;gap:.75rem;cursor:pointer;font-size:.875rem;color:var(--md-on-surface-variant);-webkit-user-select:none;user-select:none}.toggle-switch{width:52px;height:32px;border-radius:16px;background:var(--md-surface-container-highest);border:2px solid var(--md-outline);position:relative;transition:all var(--transition-fast);flex-shrink:0}.toggle-switch.active{background:var(--md-primary);border-color:var(--md-primary)}.toggle-thumb{position:absolute;top:6px;left:6px;width:16px;height:16px;border-radius:50%;background:var(--md-outline);transition:all var(--transition-fast)}.toggle-switch.active .toggle-thumb{transform:translate(20px);background:var(--md-on-primary);width:24px;height:24px;top:2px;left:2px}.auth-btn{width:100%;padding:.75rem;background:var(--md-primary);color:var(--md-on-primary);font-size:.875rem;font-weight:500;border-radius:var(--md-radius-full);border:none;box-shadow:var(--md-shadow);transition:all var(--transition-normal);display:flex;align-items:center;justify-content:center;min-height:48px;letter-spacing:.01em}.auth-btn:hover:not(:disabled){box-shadow:var(--md-shadow-lg)}.auth-btn:active:not(:disabled){transform:scale(.98)}.auth-btn:disabled{opacity:.7;cursor:not-allowed}.auth-footer{text-align:center;margin-top:1.5rem;font-size:.875rem;color:var(--md-on-surface-variant)}.auth-footer a{color:var(--md-primary);font-weight:500}.auth-footer a:hover{text-decoration:underline}@media(max-width:480px){.auth-card{padding:1.5rem;border-radius:var(--md-radius-lg)}.auth-title{font-size:1.375rem}.auth-logo-img{width:56px;height:56px}}.dashboard{min-height:100vh;display:flex;flex-direction:column;background:var(--md-surface)}.dashboard-header{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1.5rem;background:var(--md-surface-container);border-bottom:1px solid var(--md-outline-variant);position:sticky;top:0;z-index:100}.header-left{display:flex;align-items:center;gap:.75rem}.header-logo{width:36px;height:36px;object-fit:contain;border-radius:var(--md-radius-sm)}.header-brand{font-family:var(--font-display);font-size:1.25rem;font-weight:700;color:var(--md-primary);letter-spacing:-.01em}.header-right{display:flex;align-items:center;gap:.5rem}.theme-toggle{width:40px;height:40px;border-radius:var(--md-radius-full);background:transparent;display:flex;align-items:center;justify-content:center;color:var(--md-on-surface-variant)}.theme-toggle:hover{background:rgba(103,80,164,var(--md-state-hover))}.theme-toggle .material-icons-outlined{font-size:22px}.header-btn{padding:.5rem 1.25rem;border-radius:var(--md-radius-full);font-weight:500;font-size:.875rem;letter-spacing:.01em}.admin-btn{background:var(--md-primary-container);color:var(--md-on-primary-container)}.admin-btn:hover{box-shadow:var(--md-shadow)}.logout-btn{background:transparent;color:var(--md-on-surface-variant);border:1px solid var(--md-outline)}.logout-btn:hover{background:var(--md-error-container);color:var(--md-on-error-container);border-color:transparent}.dashboard-main{flex:1;padding:2rem;max-width:1200px;margin:0 auto;width:100%}.greeting-section{margin-bottom:2rem}.greeting{font-family:var(--font-display);font-size:1.75rem;font-weight:700;color:var(--md-on-surface)}.greeting-sub{color:var(--md-on-surface-variant);font-size:.875rem;margin-top:.25rem;font-weight:400}.subjects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1rem}.subject-card{background:var(--md-surface-container-low);border:1px solid var(--md-outline-variant);border-radius:var(--md-radius-lg);padding:1.25rem;cursor:pointer;transition:all var(--transition-normal);position:relative;overflow:hidden}.subject-card:hover{background:var(--md-surface-container);box-shadow:var(--md-shadow);border-color:var(--md-primary)}.subject-card:active{transform:scale(.98)}.subject-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.75rem}.subject-icon{font-size:28px;color:var(--md-primary)}.subject-modules{font-size:.7rem;font-weight:500;color:var(--md-on-primary-container);background:var(--md-primary-container);padding:.2rem .6rem;border-radius:var(--md-radius-full);letter-spacing:.02em}.subject-name{font-size:1.1rem;font-weight:600;margin-bottom:.75rem;color:var(--md-on-surface);line-height:1.3}.subject-stats{display:flex;gap:.75rem;margin-bottom:.75rem}.stat{display:flex;flex-direction:column;align-items:center;flex:1}.stat-value{font-family:var(--font-display);font-size:1.15rem;font-weight:700;color:var(--md-primary)}.stat-label{font-size:.65rem;color:var(--md-on-surface-variant);text-transform:uppercase;letter-spacing:.5px;font-weight:500}.subject-progress-bar{height:4px;background:var(--md-outline-variant);border-radius:2px;overflow:hidden}.subject-progress-fill{height:100%;background:var(--md-primary);border-radius:2px;transition:width var(--transition-slow)}.skeleton-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1rem}.skeleton-card{height:200px;background:linear-gradient(90deg,var(--md-surface-container) 25%,var(--md-surface-container-high) 50%,var(--md-surface-container) 75%);background-size:200% 100%;border-radius:var(--md-radius-lg);animation:shimmer 1.5s infinite}.empty-state{text-align:center;padding:4rem 2rem}.empty-icon{font-size:48px;color:var(--md-on-surface-variant);margin-bottom:1rem}.empty-state h3{font-size:1.25rem;font-weight:600;margin-bottom:.5rem;color:var(--md-on-surface)}.empty-state p{color:var(--md-on-surface-variant);font-size:.875rem}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000052;display:flex;align-items:center;justify-content:center;z-index:200;padding:1rem}.modal{background:var(--md-surface-container-high);border-radius:var(--md-radius-xl);padding:1.5rem;width:100%;max-width:460px;box-shadow:var(--md-shadow-xl)}.modal-title{font-size:1.25rem;font-weight:600;margin-bottom:.25rem;color:var(--md-on-surface);display:flex;align-items:center;gap:.5rem}.modal-title-icon{color:var(--md-warning);font-size:24px}.modal-subtitle{color:var(--md-primary);font-weight:500;margin-bottom:1.5rem;font-size:.875rem}.modal-field{margin-bottom:1.25rem}.modal-field>label{display:block;font-size:.875rem;color:var(--md-on-surface-variant);margin-bottom:.5rem}.modal-field>label strong{color:var(--md-primary)}.range-slider{width:100%;height:4px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--md-outline-variant);border-radius:2px;outline:none}.range-slider::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;background:var(--md-primary);border-radius:50%;cursor:pointer;box-shadow:0 1px 3px #0000004d}.range-labels{display:flex;justify-content:space-between;font-size:.75rem;color:var(--md-on-surface-variant);margin-top:.25rem}.timer-mode-selector{display:flex;gap:.5rem;margin-bottom:1rem}.timer-mode-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:.375rem;padding:.5rem .75rem;border-radius:var(--md-radius-full);font-size:.8rem;font-weight:500;background:transparent;color:var(--md-on-surface-variant);border:1px solid var(--md-outline-variant);transition:all var(--transition-fast)}.timer-mode-btn.active{background:var(--md-primary-container);color:var(--md-on-primary-container);border-color:var(--md-primary)}.timer-mode-btn:hover:not(.active){background:rgba(103,80,164,var(--md-state-hover))}.timer-config label{display:block;font-size:.875rem;color:var(--md-on-surface-variant);margin-bottom:.5rem}.timer-config label strong{color:var(--md-primary)}.block-timer-summary{display:flex;align-items:center;gap:.375rem;margin-top:.5rem;padding:.5rem .75rem;background:var(--md-primary-container);color:var(--md-on-primary-container);border-radius:var(--md-radius-md);font-size:.8rem;font-weight:500}.toggle-hint{font-size:.75rem;color:var(--md-on-surface-variant);margin-top:.375rem;font-style:italic}.modal-actions{display:flex;gap:.5rem;margin-top:1.5rem;justify-content:flex-end}.modal-btn{padding:.625rem 1.5rem;border-radius:var(--md-radius-full);font-weight:500;font-size:.875rem;letter-spacing:.01em}.modal-btn.cancel{background:transparent;color:var(--md-primary)}.modal-btn.cancel:hover{background:rgba(103,80,164,var(--md-state-hover))}.modal-btn.start{background:var(--md-primary);color:var(--md-on-primary)}.modal-btn.start:hover{box-shadow:var(--md-shadow)}.modal-btn.start:disabled{opacity:.6;cursor:not-allowed}.loading-container{padding:1rem 0}.loading-spinner{width:40px;height:40px;border:3px solid var(--md-outline-variant);border-top-color:var(--md-primary);border-radius:50%;animation:spin .8s linear infinite}.pending-banner{display:flex;align-items:flex-start;gap:1rem;padding:1.5rem;background:var(--md-surface-container);border:1px solid var(--md-outline-variant);border-radius:var(--md-radius-lg);margin-bottom:2rem}.pending-icon{font-size:36px;color:var(--md-warning);flex-shrink:0}.pending-content h3{font-size:1.1rem;font-weight:600;color:var(--md-on-surface);margin-bottom:.375rem}.pending-content p{font-size:.875rem;color:var(--md-on-surface-variant);line-height:1.5}.practice-mistakes-btn{display:flex;align-items:center;justify-content:center;gap:.375rem;width:100%;margin-top:.75rem;padding:.5rem;border-radius:var(--md-radius-md);background:var(--md-error-container);color:var(--md-on-error-container);font-size:.75rem;font-weight:600;letter-spacing:.02em;transition:all var(--transition-fast)}.practice-mistakes-btn:hover{box-shadow:var(--md-shadow);filter:brightness(1.1)}@media(max-width:768px){.dashboard-header{padding:.625rem 1rem}.dashboard-main{padding:1.25rem}.greeting{font-size:1.375rem}.subjects-grid{grid-template-columns:1fr}.header-brand{font-size:1.1rem}}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.28"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}.quiz-page{min-height:100vh;display:flex;flex-direction:column;background:var(--md-surface)}.quiz-header{display:flex;align-items:center;justify-content:space-between;padding:.625rem 1rem;background:var(--md-surface-container);border-bottom:1px solid var(--md-outline-variant);position:sticky;top:0;z-index:100;gap:.5rem}.quiz-header-left{display:flex;align-items:center;gap:.25rem}.quiz-header-right{display:flex;align-items:center;gap:.5rem}.sidebar-toggle{width:40px;height:40px;border-radius:var(--md-radius-full);background:transparent;display:flex;align-items:center;justify-content:center;color:var(--md-on-surface-variant)}.sidebar-toggle:hover{background:rgba(103,80,164,var(--md-state-hover))}.sidebar-toggle .material-icons-outlined{font-size:22px}.quiz-back-btn{display:flex;align-items:center;gap:.25rem;padding:.375rem .75rem;border-radius:var(--md-radius-full);background:transparent;color:var(--md-on-surface-variant);font-size:.8rem;font-weight:500}.quiz-back-btn:hover{background:rgba(103,80,164,var(--md-state-hover))}.quiz-back-btn .btn-icon{font-size:18px}.quiz-info{display:flex;align-items:center;gap:.75rem}.quiz-counter{font-weight:600;font-size:.875rem;color:var(--md-on-surface)}.quiz-timer{display:flex;align-items:center;gap:.25rem;font-weight:600;font-size:.875rem;color:var(--md-on-surface);background:var(--md-surface-container-high);padding:.25rem .625rem;border-radius:var(--md-radius-full)}.quiz-timer.warning{color:var(--md-error);background:var(--md-error-container);animation:pulse 1s infinite}.timer-icon{font-size:18px}.quiz-score{font-weight:500;font-size:.8rem;color:var(--md-on-surface-variant);padding:.25rem .625rem;background:var(--md-surface-container-high);border-radius:var(--md-radius-full)}.finish-quiz-btn{display:flex;align-items:center;gap:.25rem;padding:.375rem .875rem;border-radius:var(--md-radius-full);background:var(--md-primary);color:var(--md-on-primary);font-size:.8rem;font-weight:500}.finish-quiz-btn:hover{box-shadow:var(--md-shadow)}.finish-quiz-btn .btn-icon{font-size:16px}.quiz-progress-bar{height:3px;background:var(--md-outline-variant)}.quiz-progress-fill{height:100%;background:var(--md-primary);transition:width var(--transition-normal)}.quiz-body{display:flex;flex:1;position:relative}.quiz-sidebar{width:260px;min-width:260px;background:var(--md-surface-container-low);border-right:1px solid var(--md-outline-variant);padding:1rem;overflow-y:auto;transition:transform var(--transition-normal);display:flex;flex-direction:column;gap:.75rem}.sidebar-header h3{font-size:.875rem;font-weight:600;color:var(--md-on-surface);margin-bottom:.5rem}.sidebar-legend{display:flex;flex-wrap:wrap;gap:.5rem}.legend-item{display:flex;align-items:center;gap:.25rem;font-size:.65rem;color:var(--md-on-surface-variant)}.legend-dot{width:8px;height:8px;border-radius:50%}.legend-dot.answered{background:var(--md-primary)}.legend-dot.flagged{background:var(--md-warning)}.legend-dot.correct{background:var(--md-success)}.legend-dot.wrong{background:var(--md-error)}.sidebar-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:.375rem}.sidebar-q-btn{width:100%;aspect-ratio:1;display:flex;align-items:center;justify-content:center;border-radius:var(--md-radius-md);font-size:.75rem;font-weight:600;border:1.5px solid var(--md-outline-variant);background:transparent;color:var(--md-on-surface-variant);cursor:pointer;transition:all var(--transition-fast);position:relative}.sidebar-q-btn:hover{border-color:var(--md-primary);background:rgba(103,80,164,var(--md-state-hover))}.sidebar-q-btn.current{border-color:var(--md-primary);box-shadow:0 0 0 2px var(--md-primary);color:var(--md-primary);font-weight:700}.sidebar-q-btn.answered{background:var(--md-primary-container);border-color:var(--md-primary);color:var(--md-on-primary-container)}.sidebar-q-btn.correct{background:#4caf5026;border-color:var(--md-success);color:var(--md-success)}.sidebar-q-btn.wrong{background:#f4433626;border-color:var(--md-error);color:var(--md-error)}.sidebar-q-btn.flag-marker{border-style:dashed}.flag-dot{position:absolute;top:2px;right:2px;width:6px;height:6px;border-radius:50%;background:var(--md-warning)}.quiz-content{flex:1;padding:1.5rem;max-width:800px;margin:0 auto;width:100%}.quiz-question-card{background:var(--md-surface-container-low);border:1px solid var(--md-outline-variant);border-radius:var(--md-radius-xl);padding:1.5rem}.question-top-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:.75rem}.question-module{font-size:.7rem;font-weight:500;color:var(--md-on-primary-container);background:var(--md-primary-container);padding:.2rem .6rem;border-radius:var(--md-radius-full);letter-spacing:.02em}.flag-btn{width:36px;height:36px;border-radius:var(--md-radius-full);background:transparent;display:flex;align-items:center;justify-content:center;color:var(--md-on-surface-variant);transition:all var(--transition-fast)}.flag-btn:hover{background:#ff98001f}.flag-btn.active{color:var(--md-warning)}.flag-btn .material-icons-outlined{font-size:22px}.question-text{font-size:1.1rem;font-weight:500;color:var(--md-on-surface);line-height:1.6;margin-bottom:1.25rem}.options-grid{display:flex;flex-direction:column;gap:.625rem}.option-btn{display:flex;align-items:center;gap:.75rem;padding:.875rem 1rem;border-radius:var(--md-radius-lg);background:var(--md-surface-container);border:1.5px solid var(--md-outline-variant);text-align:left;transition:all var(--transition-fast);cursor:pointer}.option-btn:hover:not(.disabled):not(.correct):not(.wrong){background:var(--md-surface-container-high);border-color:var(--md-primary)}.option-btn.selected{border-color:var(--md-primary);background:#6750a414}.option-btn.correct{border-color:var(--md-success);background:#4caf501a}.option-btn.wrong{border-color:var(--md-error);background:#f443361a}.option-btn.disabled{opacity:.5;cursor:default}.option-letter{width:28px;height:28px;border-radius:var(--md-radius-full);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.8rem;background:var(--md-surface-container-high);color:var(--md-on-surface-variant);flex-shrink:0}.option-btn.selected .option-letter{background:var(--md-primary);color:var(--md-on-primary)}.option-btn.correct .option-letter{background:var(--md-success);color:#fff}.option-btn.wrong .option-letter{background:var(--md-error);color:#fff}.option-text{flex:1;color:var(--md-on-surface);font-size:.9rem;line-height:1.4}.submit-btn{display:flex;align-items:center;justify-content:center;gap:.5rem;width:100%;padding:.75rem;margin-top:1rem;border-radius:var(--md-radius-full);background:var(--md-primary);color:var(--md-on-primary);font-weight:500;font-size:.9rem;letter-spacing:.01em;transition:all var(--transition-fast)}.submit-btn:hover{box-shadow:var(--md-shadow)}.submit-btn:disabled{opacity:.6;cursor:not-allowed}.btn-spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}.feedback-card{display:flex;gap:.75rem;padding:1rem;border-radius:var(--md-radius-lg);margin-top:1rem}.feedback-card.correct{background:#4caf501a;border-left:3px solid var(--md-success)}.feedback-card.wrong{background:#f443361a;border-left:3px solid var(--md-error)}.feedback-icon{font-size:24px;flex-shrink:0}.feedback-card.correct .feedback-icon{color:var(--md-success)}.feedback-card.wrong .feedback-icon{color:var(--md-error)}.feedback-content{flex:1;font-size:.875rem;color:var(--md-on-surface);line-height:1.5}.feedback-explanation{margin-top:.375rem;color:var(--md-on-surface-variant);font-size:.825rem}.question-nav{display:flex;justify-content:space-between;align-items:center;margin-top:1.25rem;gap:.5rem}.nav-btn{display:flex;align-items:center;gap:.375rem;padding:.5rem 1rem;border-radius:var(--md-radius-full);font-weight:500;font-size:.825rem;background:transparent;color:var(--md-on-surface-variant);border:1px solid var(--md-outline-variant);transition:all var(--transition-fast)}.nav-btn:hover:not(:disabled){background:rgba(103,80,164,var(--md-state-hover));border-color:var(--md-primary)}.nav-btn:disabled{opacity:.4;cursor:not-allowed}.nav-btn.primary{background:var(--md-primary);color:var(--md-on-primary);border-color:var(--md-primary)}.nav-btn.primary:hover:not(:disabled){box-shadow:var(--md-shadow);background:var(--md-primary)}.nav-btn .material-icons-outlined{font-size:18px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:300;padding:1rem}.time-up-modal{background:var(--md-surface-container-high);border-radius:var(--md-radius-xl);padding:2rem;text-align:center;max-width:360px;width:100%;box-shadow:var(--md-shadow-xl)}.time-up-icon{font-size:48px;color:var(--md-error);margin-bottom:.75rem}.time-up-modal h2{font-size:1.25rem;font-weight:600;color:var(--md-on-surface);margin-bottom:.375rem}.time-up-modal p{font-size:.875rem;color:var(--md-on-surface-variant);margin-bottom:1.25rem}.time-up-btn{padding:.625rem 1.5rem;border-radius:var(--md-radius-full);background:var(--md-primary);color:var(--md-on-primary);font-weight:500;font-size:.875rem}.time-up-btn:hover{box-shadow:var(--md-shadow)}.quiz-results{max-width:480px;margin:3rem auto;padding:2rem;text-align:center}.results-icon{font-size:56px;color:var(--md-primary);margin-bottom:.5rem}.results-title{font-family:var(--font-display);font-size:1.75rem;font-weight:700;color:var(--md-on-surface);margin-bottom:.25rem}.results-label{color:var(--md-on-surface-variant);font-size:.9rem;margin-bottom:1.5rem}.results-score-ring{position:relative;width:120px;height:120px;margin:0 auto 1.5rem}.results-score-ring svg{width:100%;height:100%}.score-circle{animation:scoreAnim 1s ease-out forwards}.score-text{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700;color:var(--md-on-surface)}.results-stats{display:flex;justify-content:center;gap:2rem;margin-bottom:1.5rem}.result-stat{display:flex;flex-direction:column;align-items:center}.result-stat-value{font-size:1.5rem;font-weight:700;color:var(--md-primary)}.result-stat-label{font-size:.75rem;color:var(--md-on-surface-variant);text-transform:uppercase;letter-spacing:.5px}.results-actions{display:flex;flex-direction:column;gap:.5rem;align-items:center}.results-btn{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.625rem 1.5rem;border-radius:var(--md-radius-full);font-weight:500;font-size:.875rem;min-width:200px}.results-btn.review{background:var(--md-primary);color:var(--md-on-primary)}.results-btn.review:hover{box-shadow:var(--md-shadow)}.results-btn.home{background:transparent;color:var(--md-primary);border:1px solid var(--md-outline-variant)}.results-btn.home:hover{background:rgba(103,80,164,var(--md-state-hover))}.results-btn .btn-icon{font-size:18px}@keyframes spin{to{transform:rotate(360deg)}}@keyframes scoreAnim{0%{stroke-dasharray:0 339.292}}@media(max-width:768px){.quiz-sidebar{position:fixed;top:0;left:0;height:100vh;z-index:200;transform:translate(-100%);box-shadow:var(--md-shadow-xl)}.quiz-sidebar.open{transform:translate(0)}.quiz-content{padding:1rem}.question-text{font-size:1rem}.question-nav{flex-direction:row;gap:.5rem}.nav-btn{flex:1;justify-content:center;font-size:.75rem;padding:.5rem}.quiz-back-btn span:last-child{display:none}.finish-quiz-btn span:last-child{display:none}}@media(min-width:769px){.sidebar-toggle{display:none}}.review-page{min-height:100vh;background:var(--md-surface);padding:0 0 2rem}.review-loading{display:flex;justify-content:center;align-items:center;min-height:100vh}.review-header{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1.5rem;background:var(--md-surface-container);border-bottom:1px solid var(--md-outline-variant);margin-bottom:1.5rem;position:sticky;top:0;z-index:50}.review-back-btn{display:flex;align-items:center;gap:.25rem;background:transparent;color:var(--md-primary);font-weight:500;font-size:.875rem;padding:.5rem .75rem;border-radius:var(--md-radius-full)}.review-back-btn:hover{background:rgba(103,80,164,var(--md-state-hover))}.review-title{font-size:1.25rem;font-weight:600;color:var(--md-on-surface)}.review-score-badge{padding:.375rem .875rem;border-radius:var(--md-radius-full);color:#fff;font-weight:700;font-size:.875rem}.review-filters{display:flex;gap:.5rem;padding:0 1.5rem;margin-bottom:1.5rem}.filter-btn{display:flex;align-items:center;gap:.25rem;padding:.5rem 1rem;border-radius:var(--md-radius-full);background:var(--md-surface-container-low);color:var(--md-on-surface-variant);border:1px solid var(--md-outline-variant);font-weight:500;font-size:.8rem}.filter-btn.active{background:var(--md-primary-container);color:var(--md-on-primary-container);border-color:transparent}.filter-btn:hover:not(.active){background:var(--md-surface-container)}.filter-icon{font-size:16px}.review-questions{padding:0 1.5rem;max-width:800px;margin:0 auto}.review-card{background:var(--md-surface-container-low);border:1px solid var(--md-outline-variant);border-radius:var(--md-radius-lg);padding:1.25rem;margin-bottom:.75rem}.review-card.correct{border-left:3px solid var(--md-success)}.review-card.wrong{border-left:3px solid var(--md-error)}.review-card-header{display:flex;align-items:center;gap:.5rem;margin-bottom:.75rem;flex-wrap:wrap}.review-q-number{font-weight:700;font-size:.8rem;color:var(--md-primary);background:var(--md-primary-container);padding:.125rem .5rem;border-radius:var(--md-radius-full)}.review-module-badge{font-size:.7rem;font-weight:500;padding:.125rem .5rem;border-radius:var(--md-radius-full);background:var(--md-surface-container-high);color:var(--md-on-surface-variant)}.review-status{display:flex;align-items:center;gap:.25rem;margin-left:auto;font-size:.75rem;font-weight:500}.review-status.correct{color:var(--md-success)}.review-status.wrong{color:var(--md-error)}.status-icon{font-size:16px}.review-question-text{font-size:1rem;font-weight:500;color:var(--md-on-surface);line-height:1.5;margin-bottom:.75rem}.review-options{display:flex;flex-direction:column;gap:.375rem;margin-bottom:.75rem}.review-option{display:flex;align-items:center;gap:.5rem;padding:.625rem .75rem;border-radius:var(--md-radius-sm);font-size:.85rem;color:var(--md-on-surface);background:var(--md-surface-container)}.review-option.correct-answer{background:var(--md-success-container);font-weight:500}.review-option.wrong-answer{background:var(--md-error-container)}.review-opt-letter{display:flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:var(--md-radius-full);background:var(--md-surface-container-highest);font-weight:600;font-size:.7rem;color:var(--md-on-surface-variant);flex-shrink:0}.review-opt-badge{margin-left:auto;font-size:16px}.review-opt-badge.correct{color:var(--md-success)}.review-opt-badge.wrong{color:var(--md-error)}.review-explanation{padding:.75rem;background:var(--md-surface-container);border-radius:var(--md-radius-sm);font-size:.85rem;color:var(--md-on-surface-variant);line-height:1.5}.explanation-icon{font-size:16px;vertical-align:text-bottom;margin-right:.25rem;color:var(--md-warning)}.review-time-stats{display:flex;align-items:center;gap:.375rem;font-size:.8rem;font-weight:500;color:var(--md-on-surface-variant);padding:.25rem .75rem;background:var(--md-surface-container);border-radius:var(--md-radius-full)}.review-time-badge{display:flex;align-items:center;gap:.25rem;font-size:.7rem;font-weight:500;color:var(--md-on-surface-variant);padding:.125rem .5rem;background:var(--md-surface-container);border-radius:var(--md-radius-full)}@media(max-width:768px){.review-header{padding:.625rem 1rem}.review-filters{padding:0 1rem;overflow-x:auto}.review-questions{padding:0 1rem}}.admin-page{min-height:100vh;background:var(--md-surface)}.admin-header{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1.5rem;background:var(--md-surface-container);border-bottom:1px solid var(--md-outline-variant)}.admin-back-btn{display:flex;align-items:center;gap:.25rem;background:transparent;color:var(--md-primary);font-weight:500;font-size:.875rem;padding:.5rem .75rem;border-radius:var(--md-radius-full)}.admin-back-btn:hover{background:rgba(103,80,164,var(--md-state-hover))}.admin-title{font-size:1.25rem;font-weight:600;color:var(--md-on-surface)}.admin-badge{font-size:.65rem;font-weight:500;letter-spacing:.05em;background:var(--md-primary-container);color:var(--md-on-primary-container);padding:.25rem .625rem;border-radius:var(--md-radius-full)}.admin-tabs{display:flex;gap:0;padding:0 1.5rem;background:var(--md-surface-container);border-bottom:1px solid var(--md-outline-variant)}.admin-tab{display:flex;align-items:center;gap:.5rem;padding:.875rem 1.25rem;background:transparent;color:var(--md-on-surface-variant);font-weight:500;font-size:.875rem;border-bottom:2px solid transparent;position:relative}.tab-icon{font-size:20px}.admin-tab.active{color:var(--md-primary);border-bottom-color:var(--md-primary)}.admin-tab:hover:not(.active){color:var(--md-on-surface);background:rgba(103,80,164,var(--md-state-hover))}.admin-content{padding:1.5rem;max-width:1000px;margin:0 auto}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.stat-card{background:var(--md-surface-container-low);border:1px solid var(--md-outline-variant);border-radius:var(--md-radius-lg);padding:1.25rem;display:flex;flex-direction:column;align-items:center;text-align:center;gap:.5rem;transition:all var(--transition-fast)}.stat-card:hover{background:var(--md-surface-container);box-shadow:var(--md-shadow)}.stat-card-icon{font-size:32px;color:var(--md-primary)}.stat-card-value{font-size:2rem;font-weight:700;color:var(--md-on-surface);font-family:var(--font-display)}.stat-card-label{font-size:.75rem;font-weight:500;color:var(--md-on-surface-variant);text-transform:uppercase;letter-spacing:.05em}.admin-table-container{overflow-x:auto;border-radius:var(--md-radius-lg);border:1px solid var(--md-outline-variant)}.admin-table{width:100%;border-collapse:collapse;font-size:.875rem}.admin-table thead{background:var(--md-surface-container)}.admin-table th{padding:.75rem 1rem;text-align:left;font-weight:500;color:var(--md-on-surface-variant);font-size:.75rem;text-transform:uppercase;letter-spacing:.05em}.admin-table td{padding:.75rem 1rem;border-top:1px solid var(--md-outline-variant);color:var(--md-on-surface)}.admin-table tbody tr:hover{background:var(--md-surface-container-low)}.admin-table code{font-size:.8rem;padding:.1rem .4rem;background:var(--md-surface-container-high);border-radius:var(--md-radius-xs);color:var(--md-on-surface)}.role-badge{padding:.15rem .5rem;border-radius:var(--md-radius-full);font-size:.7rem;font-weight:500;letter-spacing:.02em}.role-badge.admin{background:var(--md-primary-container);color:var(--md-on-primary-container)}.role-badge.user{background:var(--md-surface-container-high);color:var(--md-on-surface-variant)}.actions-cell{display:flex;gap:.25rem}.action-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--md-radius-full);background:transparent;color:var(--md-on-surface-variant)}.action-btn .material-icons-outlined{font-size:20px}.action-btn:hover{background:rgba(103,80,164,var(--md-state-hover));color:var(--md-primary)}.action-btn.danger:hover{background:var(--md-error-container);color:var(--md-error)}.subjects-list{display:flex;flex-direction:column;gap:.5rem}.admin-subject-card{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.25rem;background:var(--md-surface-container-low);border:1px solid var(--md-outline-variant);border-radius:var(--md-radius-md);transition:all var(--transition-fast)}.admin-subject-card:hover{background:var(--md-surface-container)}.admin-subject-info h3{font-size:.95rem;font-weight:600;color:var(--md-on-surface);margin-bottom:.125rem}.admin-subject-info span{font-size:.75rem;color:var(--md-on-surface-variant)}.admin-subject-actions{display:flex;gap:.25rem}.empty-text{text-align:center;padding:2rem;color:var(--md-on-surface-variant);font-size:.875rem}.upload-section{max-width:500px;margin:0 auto}.upload-zone{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem 2rem;border:2px dashed var(--md-outline-variant);border-radius:var(--md-radius-lg);background:var(--md-surface-container-low);cursor:pointer;transition:all var(--transition-fast);text-align:center}.upload-zone:hover{border-color:var(--md-primary);background:var(--md-surface-container)}.upload-icon{font-size:48px;color:var(--md-primary);margin-bottom:.75rem}.upload-zone h3{font-size:1rem;font-weight:600;color:var(--md-on-surface);margin-bottom:.25rem}.upload-zone p{font-size:.8rem;color:var(--md-on-surface-variant)}.upload-status{display:flex;align-items:center;gap:.5rem;padding:.75rem 1rem;border-radius:var(--md-radius-md);margin-top:1rem;font-size:.85rem}.upload-status.success{background:var(--md-success-container);color:var(--md-on-surface)}.upload-status.error{background:var(--md-error-container);color:var(--md-on-error-container)}.status-msg-icon{font-size:20px;flex-shrink:0}.upload-status.success .status-msg-icon{color:var(--md-success)}.upload-status.error .status-msg-icon{color:var(--md-error)}.status-chip{display:inline-flex;align-items:center;padding:.15rem .5rem;border-radius:var(--md-radius-full);font-size:.7rem;font-weight:500;letter-spacing:.02em}.status-chip.approved{background:var(--md-success-container);color:var(--md-success)}.status-chip.pending{background:var(--md-warning-container, rgba(255, 167, 38, .15));color:var(--md-warning)}.status-chip.banned{background:var(--md-error-container);color:var(--md-error)}.users-toolbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1rem;flex-wrap:wrap}.user-filters{display:flex;gap:.375rem;flex-wrap:wrap}.user-filter-btn{padding:.375rem .75rem;border-radius:var(--md-radius-full);font-size:.8rem;font-weight:500;background:transparent;color:var(--md-on-surface-variant);border:1px solid var(--md-outline-variant);transition:all var(--transition-fast)}.user-filter-btn.active{background:var(--md-primary-container);color:var(--md-on-primary-container);border-color:transparent}.user-filter-btn:hover:not(.active){background:var(--md-surface-container)}.create-user-btn{display:flex;align-items:center;gap:.375rem;padding:.5rem 1rem;border-radius:var(--md-radius-full);font-size:.8rem;font-weight:500;background:var(--md-primary);color:var(--md-on-primary);transition:all var(--transition-fast)}.create-user-btn:hover{box-shadow:var(--md-shadow)}.tab-badge{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 .375rem;border-radius:var(--md-radius-full);background:var(--md-error);color:#fff;font-size:.65rem;font-weight:700}.stat-card.warning{border-color:var(--md-warning);cursor:pointer}.stat-card.warning .stat-card-icon{color:var(--md-warning)}.stat-card.danger{border-color:var(--md-error);cursor:pointer}.stat-card.danger .stat-card-icon{color:var(--md-error)}.action-btn.success:hover{background:var(--md-success-container);color:var(--md-success)}.banned-row{opacity:.6}.pending-row td:first-child{position:relative}.pending-row td:first-child:before{content:"";position:absolute;left:0;top:25%;bottom:25%;width:3px;background:var(--md-warning);border-radius:2px}@media(max-width:768px){.admin-header{padding:.625rem 1rem}.admin-tabs{padding:0 1rem;overflow-x:auto}.admin-content{padding:1rem}.stats-grid{grid-template-columns:repeat(2,1fr)}.admin-table-container{font-size:.8rem}.users-toolbar{flex-direction:column;align-items:stretch}}.progress-section{width:100%}.progress-toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}.section-title{font-size:1.1rem;font-weight:600;color:var(--md-on-surface)}.progress-table-container{overflow-x:auto;border-radius:var(--md-radius-lg);border:1px solid var(--md-outline-variant)}.progress-table{width:100%;border-collapse:collapse;font-size:.8rem;min-width:600px}.progress-table thead{background:var(--md-surface-container)}.progress-table th{padding:.625rem .75rem;text-align:center;font-weight:500;color:var(--md-on-surface-variant);font-size:.7rem;text-transform:uppercase;letter-spacing:.04em;white-space:nowrap}.progress-table td{padding:.5rem .75rem;border-top:1px solid var(--md-outline-variant);text-align:center;vertical-align:middle}.progress-table tbody tr:hover{background:var(--md-surface-container-low)}.sticky-col{position:sticky;left:0;z-index:2;background:var(--md-surface-container);text-align:left!important;min-width:140px}.progress-table tbody .sticky-col{background:var(--md-surface)}.progress-table tbody tr:hover .sticky-col{background:var(--md-surface-container-low)}.subject-col{min-width:100px}.progress-user-name{font-weight:600;color:var(--md-on-surface);font-size:.8rem}.progress-user-meta{font-size:.65rem;color:var(--md-on-surface-variant)}.progress-cell{padding:.375rem .5rem!important}.progress-chip{display:inline-block;font-size:.7rem;font-weight:600;margin-bottom:.25rem;padding:.1rem .375rem;border-radius:var(--md-radius-full)}.progress-chip.none{color:var(--md-on-surface-variant);opacity:.5}.progress-chip.low{color:var(--md-error)}.progress-chip.mid{color:var(--md-warning)}.progress-chip.good{color:var(--md-primary)}.progress-chip.high{color:var(--md-success)}.mini-bar{width:100%;height:3px;background:var(--md-surface-container-high);border-radius:2px;overflow:hidden}.mini-bar-fill{height:100%;background:var(--md-primary);border-radius:2px;transition:width .3s ease}.progress-detail{font-size:.6rem;color:var(--md-on-surface-variant);margin-top:.125rem}.access-subjects-list{max-height:300px;overflow-y:auto;border:1px solid var(--md-outline-variant);border-radius:var(--md-radius-md);padding:.5rem}.access-subject-item{display:flex;align-items:center;gap:.625rem;padding:.5rem .625rem;border-radius:var(--md-radius-sm);cursor:pointer;transition:background var(--transition-fast);font-size:.85rem;color:var(--md-on-surface)}.access-subject-item:hover{background:var(--md-surface-container)}.access-subject-item input[type=checkbox]{width:18px;height:18px;accent-color:var(--md-primary);cursor:pointer;flex-shrink:0}:root{--md-primary: #6750A4;--md-on-primary: #FFFFFF;--md-primary-container: #EADDFF;--md-on-primary-container: #21005D;--md-secondary: #625B71;--md-on-secondary: #FFFFFF;--md-secondary-container: #E8DEF8;--md-on-secondary-container: #1D192B;--md-tertiary: #7D5260;--md-on-tertiary: #FFFFFF;--md-tertiary-container: #FFD8E4;--md-on-tertiary-container: #31111D;--md-error: #B3261E;--md-on-error: #FFFFFF;--md-error-container: #F9DEDC;--md-on-error-container: #410E0B;--md-surface: #FFFBFE;--md-on-surface: #1C1B1F;--md-surface-variant: #E7E0EC;--md-on-surface-variant: #49454F;--md-surface-container-lowest: #FFFFFF;--md-surface-container-low: #F7F2FA;--md-surface-container: #F3EDF7;--md-surface-container-high: #ECE6F0;--md-surface-container-highest: #E6E0E9;--md-surface-dim: #DED8E1;--md-outline: #79747E;--md-outline-variant: #CAC4D0;--md-inverse-surface: #313033;--md-inverse-on-surface: #F4EFF4;--md-inverse-primary: #D0BCFF;--md-success: #386A20;--md-success-container: #B1F498;--md-warning: #7D5800;--md-warning-container: #FFDDB3;--md-shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 1px 3px 1px rgba(0, 0, 0, .15);--md-shadow-lg: 0 1px 3px rgba(0, 0, 0, .3), 0 4px 8px 3px rgba(0, 0, 0, .15);--md-shadow-xl: 0 2px 3px rgba(0, 0, 0, .3), 0 6px 10px 4px rgba(0, 0, 0, .15);--md-radius-xs: 4px;--md-radius-sm: 8px;--md-radius-md: 12px;--md-radius-lg: 16px;--md-radius-xl: 28px;--md-radius-full: 9999px;--md-state-hover: .08;--md-state-focus: .12;--md-state-pressed: .12;--font-body: "Roboto", "Inter", system-ui, sans-serif;--font-display: "Inter", "Roboto", system-ui, sans-serif;--glass-bg: rgba(255, 251, 254, .85);--glass-border: rgba(202, 196, 208, .5);--glass-blur: 16px;--transition-fast: .15s cubic-bezier(.2, 0, 0, 1);--transition-normal: .3s cubic-bezier(.2, 0, 0, 1);--transition-slow: .5s cubic-bezier(.2, 0, 0, 1);--transition-emphasized: .5s cubic-bezier(.05, .7, .1, 1)}[data-theme=dark]{--md-primary: #D0BCFF;--md-on-primary: #381E72;--md-primary-container: #4F378B;--md-on-primary-container: #EADDFF;--md-secondary: #CCC2DC;--md-on-secondary: #332D41;--md-secondary-container: #4A4458;--md-on-secondary-container: #E8DEF8;--md-tertiary: #EFB8C8;--md-on-tertiary: #492532;--md-tertiary-container: #633B48;--md-on-tertiary-container: #FFD8E4;--md-error: #F2B8B5;--md-on-error: #601410;--md-error-container: #8C1D18;--md-on-error-container: #F9DEDC;--md-surface: #1C1B1F;--md-on-surface: #E6E1E5;--md-surface-variant: #49454F;--md-on-surface-variant: #CAC4D0;--md-surface-container-lowest: #0F0D13;--md-surface-container-low: #1D1B20;--md-surface-container: #211F26;--md-surface-container-high: #2B2930;--md-surface-container-highest: #36343B;--md-surface-dim: #141218;--md-outline: #938F99;--md-outline-variant: #49454F;--md-inverse-surface: #E6E1E5;--md-inverse-on-surface: #313033;--md-inverse-primary: #6750A4;--md-success: #A4D489;--md-success-container: #1F5107;--md-warning: #FFB951;--md-warning-container: #5D4200;--glass-bg: rgba(28, 27, 31, .9);--glass-border: rgba(73, 69, 79, .5)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);background-color:var(--md-surface);color:var(--md-on-surface);line-height:1.6;transition:background-color var(--transition-normal),color var(--transition-normal);min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}a{color:var(--md-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--md-primary-dark)}button{cursor:pointer;border:none;font-family:var(--font-body);font-size:.875rem;font-weight:500;transition:all var(--transition-normal)}input,textarea,select{font-family:var(--font-body);font-size:1rem;outline:none;transition:all var(--transition-fast)}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:600;line-height:1.2;color:var(--md-on-surface)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--md-surface-dim)}::-webkit-scrollbar-thumb{background:var(--md-outline);border-radius:var(--md-radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--md-primary)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}@keyframes shimmer{0%{background-position:-200px 0}to{background-position:calc(200px + 100%) 0}}.fade-in{animation:fadeIn .4s ease-out forwards}.slide-up{animation:slideUp .5s ease-out forwards}.scale-in{animation:scaleIn .3s ease-out forwards}
