/*! tailwindcss v4.3.3 | MIT License | https://tailwindcss.com */@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,::backdrop,:after,:before{--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:host,:root{--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue","Noto Sans",Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";--font-mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,::backdrop,:after,:before{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}:host,html{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue","Noto Sans",Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,pre,samp{font-family:var(--default-mono-font-family,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}menu,ol,ul{list-style:none}audio,canvas,embed,iframe,img,object,svg,video{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,optgroup,select,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit,::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-millisecond-field,::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.table{display:table}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}:root{--ink:#202438;--primary:#43318c;--primary-hover:#33236f;--brand-red:#e32636;--primary-soft:#eeeaf8;--red-soft:#fff0f2;--muted:#676b80;--line:#e4e3ee;--paper:#f7f7fb;--font-sans:Arial,Helvetica,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{background:var(--paper);color:var(--ink);margin:0;font-family:Arial,Helvetica,sans-serif;font-size:15px;line-height:1.6}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}a,button,input,select,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}a:focus-visible,button:focus-visible,summary:focus-visible{outline-offset:4px;outline:3px solid #7660bd}input:focus,select:focus,textarea:focus{outline-offset:1px;outline:2px solid #7660bd}h1,h2,h3,p{margin:0}h1,h2,h3{letter-spacing:-.035em;line-height:1.2}.container{width:min(1160px,100% - 64px);margin-inline:auto}.site-header{border-bottom:1px solid var(--line);z-index:30;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);position:sticky;top:0}.nav{justify-content:space-between;gap:24px;height:86px}.brand,.nav{align-items:center;display:flex}.brand{letter-spacing:-.8px;gap:10px;font-size:20px;font-weight:700}.brand-logo{aspect-ratio:472/479;object-fit:contain;flex:none;width:auto;height:44px;display:block}.brand-name{letter-spacing:.5px;white-space:nowrap;flex-direction:column;font-size:17px;line-height:1.2;display:flex}.brand-subtitle{letter-spacing:2px;margin-top:3px;font-size:11px;font-weight:500}.admin-sidebar .brand-subtitle{color:#d9d0f1}.desktop-nav{gap:33px;font-size:14px;display:flex}.desktop-nav a:hover,.text-link:hover{color:var(--primary)}.nav-actions{align-items:center;gap:15px;display:flex}.button{border:1px solid var(--primary);background:var(--primary);color:#fff;border-radius:9px;justify-content:center;align-items:center;gap:11px;padding:14px 22px;font-size:14px;font-weight:600;line-height:1.5;transition:background .15s,transform .15s;display:inline-flex}.button:hover{background:#33236f;transform:translateY(-1px)}.button.small{padding:10px 17px}.button.secondary{color:var(--primary);border-color:var(--line);background:#fff}.button.secondary:hover{background:#eeeaf8}.button.danger{background:#bd1f31;border-color:#bd1f31}.text-link{align-items:center;gap:10px;font-size:14px;font-weight:600;display:inline-flex}.mobile-menu{display:none}.demo-banner{color:#594783;text-align:center;background:#eeeaf8;border-bottom:1px solid #ded6ee;padding:7px 15px;font-size:12px}.hero{grid-template-columns:1.15fr 1fr;gap:45px;padding-top:70px;padding-bottom:65px;display:grid}.eyebrow,.hero{align-items:center}.eyebrow{letter-spacing:1.8px;color:var(--primary);gap:8px;font-size:10px;font-weight:700;display:inline-flex}.dot{background:var(--primary);border-radius:50%;width:6px;height:6px}.hero h1{letter-spacing:-3px;width:fit-content;margin-top:22px;font-size:clamp(42px,4.8vw,65px);line-height:1.13;position:relative}.hero h1 span{color:var(--primary)}.underline-mark{color:#e32636;width:235px;height:15px;position:absolute;bottom:-11px;right:2px}.hero-copy>p{color:var(--muted);margin-top:30px;font-size:16px;line-height:1.8}.hero-buttons{align-items:center;gap:24px;margin-top:30px;display:flex}.hero-perks{color:var(--muted);flex-wrap:wrap;gap:19px;margin-top:27px;font-size:11px;display:flex}.hero-perks span{align-items:center;gap:5px;display:flex}.hero-perks svg{color:var(--primary)}.hero-visual{place-items:center;height:365px;display:grid;position:relative}.visual-grid{opacity:.6;background:radial-gradient(circle,#d5cbe9 1px,#0000 0) 0 0/19px 19px;border-radius:50%;position:absolute;inset:10px 0}.notebook{background:#fff linear-gradient(#d9d2eb65 1px,#0000 0) 0 0/100% 28px;border:1px solid #dfd9ef;border-radius:7px 15px 15px 7px;width:285px;height:332px;padding:31px 25px 20px 40px;position:relative;transform:rotate(-7deg);box-shadow:13px 19px #ddd5ed,0 18px 55px #43318c18}.notebook-binding{flex-direction:column;gap:23px;display:flex;position:absolute;top:33px;left:-10px}.notebook-binding i{background:#eeeaf8;border:1px solid #bcb0d7;border-radius:6px;width:21px;height:9px}.notebook-label{letter-spacing:1.8px;color:#72618f;font-size:8px;font-weight:700}.notebook-title{letter-spacing:-.8px;margin-top:12px;font-size:24px;font-weight:700;line-height:1.2}.equation{margin-top:10px;font-family:Georgia,serif;font-size:28px}.equation span{color:#c42134}.triangle{width:195px;height:115px;font-family:Georgia,serif;font-size:19px;font-style:italic}.note-check{gap:6px;margin-top:0}.float-badge,.note-check{color:var(--primary);align-items:center;font-size:11px;display:flex}.float-badge{z-index:2;border:1px solid var(--line);background:#fff;border-radius:10px;gap:8px;padding:12px 15px;position:absolute;top:6px;right:-3px;transform:rotate(4deg);box-shadow:0 4px 14px #43318c0a}.floating-shape{border-radius:14px;place-items:center;width:54px;height:54px;font-family:Georgia,serif;font-size:38px;display:grid;position:absolute}.shape-one{color:#bd1f31;background:#ffe3e7;top:24px;left:20px;transform:rotate(-12deg)}.shape-two{color:var(--primary);background:#e8e0f7;bottom:15px;right:17px;transform:rotate(12deg)}.tiny-star{color:#e32636;font-size:33px;position:absolute;bottom:34px;left:42px}.section-heading{justify-content:space-between;align-items:end;gap:20px;margin-bottom:25px;display:flex}.section-heading h2{margin-top:9px;font-size:29px}.section-heading>p,.section-note{color:var(--muted);font-size:13px}.grade-grid{grid-template-columns:repeat(4,1fr);gap:15px;display:grid}.grade-card{border:1px solid var(--line);background:#fff;border-radius:12px;align-items:center;gap:12px;padding:24px 18px;transition:transform .2s;display:flex}.grade-card:hover{transform:translateY(-4px)}.grade-icon{color:#43318c;background:#eeeaf8;border-radius:12px;flex-shrink:0;place-items:center;width:43px;height:43px;display:grid}.grade-6 .grade-icon{color:#bd1f31;background:#fff0f2}.grade-7 .grade-icon{color:#43318c;background:#e8e1f8}.grade-8 .grade-icon{color:#bd1f31;background:#ffe6eb}.grade-card h3{white-space:nowrap;font-size:17px}.grade-card p{color:var(--muted);margin-top:6px;font-size:10px}.grade-card>svg{flex-shrink:0;width:16px;margin-left:auto}.countdown-banner{color:#fff;background:#292044;border-radius:15px;justify-content:space-between;align-items:center;gap:35px;margin-top:41px;padding:34px 42px;display:flex;position:relative;overflow:hidden}.countdown-banner:after{content:"+";color:#ffffff04;pointer-events:none;font-family:Georgia,serif;font-size:230px;position:absolute;top:-75px;left:37%}.light{color:#d9d0f1}.countdown-banner h2{margin-top:8px;font-size:27px}.countdown-banner p{color:#d2c9e4;margin-top:10px;font-size:12px}.countdown-banner .text-link{margin-top:18px;font-size:12px}.countdown{flex-shrink:0;gap:13px;display:flex}.countdown>div{text-align:center;min-width:73px}.countdown strong{letter-spacing:-1px;font-variant-numeric:tabular-nums;background:#ffffff0c;border:1px solid #ffffff14;border-radius:10px;padding:12px 9px;font-size:32px;font-weight:500;display:block}.countdown span{color:#d2c9e4;letter-spacing:1.6px;margin-top:8px;font-size:8px;display:block}.materials-section{padding-top:62px;padding-bottom:53px}.filter-bar{border:1px solid var(--line);background:#fff;border-radius:10px;gap:20px;padding:10px 16px}.filter-bar,.search-field{align-items:center;display:flex}.search-field{color:#77738a;flex:1;gap:10px}.search-field input{width:100%;color:var(--ink);background:0 0;border:0;padding:6px;font-size:13px}.filter-selects{color:var(--muted);align-items:center;gap:12px;font-size:12px;display:flex}.filter-selects select{border:0;border-left:1px solid var(--line);background:0 0;max-width:180px;padding:6px 8px}.result-count{color:var(--muted);margin:15px 0 20px;font-size:11px}.material-grid{grid-template-columns:repeat(4,1fr);gap:22px;display:grid}.material-card{border:1px solid var(--line);background:#fff;border-radius:12px;transition:box-shadow .2s,transform .2s;overflow:hidden}.material-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px #43318c12}.material-art{color:#7865ac;background:#eeeaf8;place-items:center;height:137px;display:grid;position:relative;overflow:hidden}.art-6{color:#bd6571;background:#fff0f2}.art-7{color:#7865ac;background:#e8e1f8}.art-8{color:#bd6571;background:#ffe6eb}.material-art:after{content:"";opacity:.11;border:1px solid;border-radius:50%;width:130px;height:130px;position:absolute;top:-15px;right:-25px}.file-symbol{z-index:1;background:#ffffffd9;border-radius:5px;flex-direction:column;justify-content:center;align-items:center;width:53px;height:67px;display:flex;transform:rotate(-9deg);box-shadow:3px 5px #00000007}.file-symbol small{letter-spacing:1px;font-size:8px;font-weight:700}.art-formula{opacity:.4;font-family:Georgia,serif;font-size:24px;position:absolute;bottom:12px;left:14px;transform:rotate(-8deg)}.art-grade{letter-spacing:1px;background:#ffffff90;border-radius:4px;padding:3px 8px;font-size:8px;font-weight:700;position:absolute;top:12px;right:12px}.material-body{padding:18px}.card-tags{color:var(--primary);justify-content:space-between;gap:8px;font-size:9px;font-weight:600;display:flex}.card-tags span:last-child{color:var(--muted);letter-spacing:1px;font-size:8px}.material-card h3{min-height:45px;margin-top:10px;font-size:16px;line-height:1.4}.material-card p{color:var(--muted);margin-top:7px;font-size:11px}.card-bottom{color:var(--primary);border-top:1px solid #e9e4f1;justify-content:space-between;margin-top:18px;padding-top:12px}.card-bottom,.card-bottom span{align-items:center;display:flex}.card-bottom span{color:var(--muted);gap:5px;font-size:10px}.join-banner{background:#eeeaf8;border:1px solid #ded6ee;border-radius:12px;justify-content:space-between;align-items:center;gap:25px;margin-bottom:55px;padding:29px 34px;display:flex}.join-banner h2{font-size:23px}.join-banner p{color:var(--muted);margin-top:8px;font-size:13px}footer{border-top:1px solid var(--line);background:#eeeaf8}.footer-inner{justify-content:space-between;gap:25px;padding-block:35px;font-size:11px}.footer-brand,.footer-inner{align-items:center;display:flex}.footer-brand{gap:8px;font-size:14px;font-weight:700}.footer-brand .brand-logo{height:32px}.footer-inner p{color:var(--muted);margin-top:6px}.footer-links{gap:24px;display:flex}.muted{color:var(--muted)}.page-section{min-height:60vh;padding-block:48px 65px}.page-title{margin:14px 0;font-size:38px}.page-intro{color:var(--muted);max-width:680px;margin-bottom:28px}.breadcrumb{color:var(--muted);flex-wrap:wrap;gap:9px;font-size:12px;display:flex}.panel{border:1px solid var(--line);background:#fff;border-radius:14px;padding:30px}.empty-state{text-align:center;border:1px dashed var(--line);background:#fff;border-radius:12px;padding:45px 20px}.empty-state svg{color:var(--primary);margin:auto}.empty-state h3{margin:12px 0;font-size:22px}.empty-state p{color:var(--muted);margin-bottom:20px}.badge{background:#eeeaf8;border-radius:6px;margin-right:7px;padding:5px 11px;font-size:12px;display:inline-block}.detail-grid{grid-template-columns:minmax(0,1fr) 310px;gap:25px;margin-top:28px;display:grid}.detail-actions{flex-direction:column;gap:12px;display:flex}.detail-actions h3{margin-bottom:10px}.pdf-preview{border:1px solid var(--line);background:#f0edf8;border-radius:10px;width:100%;height:640px}.video-frame{aspect-ratio:16/9;border:0;border-radius:10px;width:100%;margin-top:20px}.notice{color:#806a31;background:#f6f0de;border:1px solid #e9dfbf;border-radius:8px;padding:12px 16px;font-size:13px}.error-notice{color:#a34636;background:#fff0ed;border-color:#f2d7d0}.success-notice{color:var(--primary);background:#e9f3ec;border-color:#d3e5da}.answer-key{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;background:#f3f1fa;border-radius:8px;padding:20px}.auth-shell{background:radial-gradient(ellipse at top,#eeeaf8,var(--paper) 70%);place-items:center;min-height:100vh;padding:32px;display:grid}.auth-card{width:min(450px,100%)}.auth-card .brand{justify-content:center;margin-bottom:30px}.auth-card h1{margin-bottom:10px;font-size:28px}.auth-card>p{color:var(--muted);margin-bottom:25px}.form-stack{flex-direction:column;gap:18px;display:flex}.field,.form-stack label{flex-direction:column;gap:7px;font-size:13px;font-weight:600;display:flex}.field input,.field select,.form-stack input,.form-stack select,.form-stack textarea{width:100%;color:var(--ink);background:#fff;border:1px solid #dfd9ef;border-radius:7px;padding:11px 12px;font-weight:400}.form-stack textarea{resize:vertical;min-height:110px}.form-stack input[type=file]{font-size:12px}.form-row{grid-template-columns:1fr 1fr;gap:18px;display:grid}.form-hint{color:var(--muted);font-size:11px;font-weight:400}.auth-switch{text-align:center;margin-top:20px;font-size:13px}.auth-switch a{color:var(--primary);font-weight:600}.auth-card .button{width:100%}.form-stack .notice{font-weight:400}.timer-panel{text-align:center;color:#fff;background:#292044;margin-top:30px}.countdown-large{justify-content:center;margin:30px 0}.countdown-large strong{padding:20px;font-size:54px}.countdown-large>div{min-width:100px}.calculator-grid{grid-template-columns:1.5fr 1fr;gap:25px;display:grid}.net-row{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:20px;padding:15px 0;display:flex}.net-row input{width:100px}.net-row label{font-weight:600}.score-panel{color:#fff;text-align:center;background:#292044;align-self:start}.score-number{letter-spacing:-4px;font-variant-numeric:tabular-nums;margin:24px 0 10px;font-size:76px;line-height:1.2}.score-panel p{color:#d2c9e4;font-size:12px}.progress-bar{background:#ffffff20;border-radius:10px;height:7px;margin:25px 0;overflow:hidden}.progress-bar>div{background:#e32636;height:100%;transition:width .2s}.profile-tabs{gap:10px;margin:35px 0 20px;display:flex}.profile-tabs button{color:var(--muted);border:1px solid var(--line);background:#fff;border-radius:7px;padding:10px 18px}.profile-tabs .active{background:var(--primary);color:#fff;border-color:var(--primary)}.account-heading{flex-wrap:wrap;align-items:center;gap:20px;display:flex}.avatar{width:64px;height:64px;color:var(--primary);background:#eeeaf8;border-radius:50%;place-items:center;font-size:28px;display:grid}.account-heading .button{margin-left:auto}.admin-shell{grid-template-columns:240px minmax(0,1fr);min-height:100vh;display:grid}.admin-sidebar{color:#e0d9ef;background:#292044;padding:30px 22px}.admin-sidebar .brand{color:#fff;margin-bottom:40px;font-size:17px}.admin-sidebar .brand-logo{height:40px}.admin-sidebar nav{flex-direction:column;gap:7px;display:flex}.admin-sidebar nav a{border-radius:7px;align-items:center;gap:10px;padding:10px 12px;font-size:13px;display:flex}.admin-main{width:100%;max-width:1200px;margin:auto;padding:40px}.admin-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:25px;display:flex}.stats-grid{grid-template-columns:repeat(3,1fr);gap:20px;margin:30px 0;display:grid}.stat-number{color:var(--primary);margin-top:8px;font-size:36px;display:block}.table-scroll{overflow:auto}.admin-table{border-collapse:collapse;text-align:left;width:100%;font-size:13px}.admin-table td,.admin-table th{border-bottom:1px solid var(--line);min-width:120px;padding:14px 12px}.admin-table th{color:var(--muted);font-size:11px}.table-actions{gap:8px;display:flex}.table-actions .button{padding:7px 10px;font-size:11px}.table-actions form{display:inline-flex}.form-checkbox{align-items:center;flex-direction:row!important}.form-checkbox input{width:auto!important}.admin-form{max-width:800px}.loading{min-height:60vh;color:var(--muted);place-items:center;display:grid}@media (min-width:1440px){.hero{padding-top:80px;padding-bottom:80px}}@media (max-width:1050px){.grade-grid{grid-template-columns:repeat(2,1fr)}.material-grid{grid-template-columns:repeat(3,1fr)}.grade-card p{font-size:12px}.hero{gap:15px}.float-badge{font-size:10px;right:0}.countdown-banner{gap:20px;padding:30px}.countdown>div{min-width:60px}.desktop-nav{gap:20px}.detail-grid{grid-template-columns:minmax(0,1fr) 280px}}@media (max-width:760px){.container{width:calc(100% - 36px)}.nav{gap:10px;height:72px}.brand{font-size:17px}.brand-logo{height:36px}.admin-sidebar .brand-logo,.footer-brand .brand-logo{height:32px}.desktop-nav{display:none}.mobile-menu{display:block;position:relative}.mobile-menu summary{cursor:pointer;place-items:center;list-style:none;display:grid}.mobile-menu nav{border:1px solid var(--line);background:#fff;border-radius:10px;flex-direction:column;gap:3px;width:210px;padding:12px;display:flex;position:absolute;top:40px;right:0;box-shadow:0 10px 30px #43318c20}.mobile-menu nav a{padding:8px}.button.small{padding:8px 11px;font-size:12px}.hero{grid-template-columns:1fr;gap:28px;padding-top:38px;padding-bottom:35px}.hero h1{letter-spacing:-2px;font-size:48px}.hero-copy>p{font-size:15px}.hero-perks{gap:12px}.hero-visual{width:100%;max-width:420px;height:320px;margin:auto}.notebook{width:255px;height:300px;padding-top:23px}.triangle{height:100px}.float-badge{top:1px}.shape-one{left:10px}.shape-two{right:12px}.section-heading{align-items:start;margin-bottom:20px}.section-heading>p,.section-note{display:none}.section-heading h2{font-size:25px}.grade-grid{gap:12px}.grade-card{gap:9px;padding:18px 13px}.grade-icon{width:34px;height:38px}.grade-card h3{font-size:15px}.grade-card p{font-size:10px}.grade-card>svg{display:none}.countdown-banner{flex-direction:column;align-items:start;gap:25px;margin-top:30px;padding:26px}.countdown-banner h2{font-size:24px}.countdown{justify-content:space-between;gap:9px;width:100%}.countdown>div{flex:1;min-width:0}.countdown strong{font-size:30px}.materials-section{padding-top:40px}.filter-bar{flex-direction:column;align-items:stretch;gap:7px;padding:10px 12px}.filter-selects{border-top:1px solid var(--line);justify-content:space-between;padding-top:7px}.filter-selects select{max-width:155px;padding-left:4px}.material-grid{grid-template-columns:repeat(2,1fr);gap:13px}.material-body{padding:13px}.material-card h3{min-height:40px;font-size:14px}.material-art{height:117px}.card-tags{font-size:8px}.card-bottom span{font-size:9px}.join-banner{flex-direction:column;align-items:start;margin-bottom:35px;padding:24px}.join-banner h2{font-size:22px}.footer-inner{flex-direction:column;align-items:start;gap:18px;padding-block:27px}.footer-links{gap:18px}.page-section{padding-block:30px 45px}.page-title{font-size:30px}.detail-grid{flex-direction:column-reverse;display:flex}.pdf-preview{height:470px}.panel{padding:22px}.calculator-grid{grid-template-columns:1fr}.countdown-large strong{padding:16px 8px;font-size:35px}.countdown-large>div{min-width:0}.admin-shell,.form-row{grid-template-columns:1fr}.admin-sidebar{padding:18px}.admin-sidebar .brand{margin-bottom:15px}.admin-sidebar nav{flex-flow:wrap;gap:4px}.admin-sidebar nav a{padding:7px;font-size:11px}.admin-main{padding:24px 18px}.admin-heading{flex-wrap:wrap;align-items:start}.stats-grid{grid-template-columns:1fr;gap:12px}.account-heading .button{margin-left:0}.hero-buttons{gap:15px}.hero-buttons .text-link{font-size:12px}.button{padding:12px 16px}.auth-shell{padding:20px}.auth-card .form-stack input{font-size:16px}.net-row input{width:90px}.score-number{font-size:64px}}@media (max-width:400px){.nav .brand{gap:7px}.nav .brand-logo{height:32px}.nav .brand-name{font-size:14px}.nav .brand-subtitle{font-size:10px}.nav-actions{gap:10px}.nav .button.small{white-space:nowrap;padding:8px 10px;font-size:11px}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}.lgs-save-box{background:#f8f6fc;border:1px solid #dcd3ee;border-radius:16px;gap:16px;margin-top:28px;padding:20px;display:grid}.lgs-save-box>.button{justify-self:start}.lgs-save-box .table-actions{color:var(--primary);text-underline-offset:3px;flex-wrap:wrap;gap:18px;text-decoration:underline}.reports-dashboard{gap:22px;min-width:0;display:grid}.reports-dashboard .admin-heading{margin-bottom:0}.reports-dashboard>.stats-grid{margin:0}.report-filters{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));align-items:end;gap:16px;display:grid}.report-filters input,.report-filters select{min-width:0}.report-archive{grid-column:1/-1;align-items:center;gap:10px;font-size:13px;display:flex}.report-archive input{width:18px;height:18px;accent-color:var(--primary)}.report-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.report-toolbar .profile-tabs{flex-wrap:wrap;margin:0}.report-subject{max-width:400px}.report-chart{margin:0}.report-chart figcaption p{margin:8px 0;font-size:12px}.report-chart svg{width:100%;max-height:230px;display:block}.report-row-actions{flex-wrap:wrap}.report-details{min-width:240px;margin:14px 0 0}.report-details>div{border-top:1px solid var(--line);padding:8px 0}.report-details dt{font-weight:600}.report-details dd{color:var(--muted);margin:0}.reports-dashboard table caption{text-align:left;padding:0 12px 16px;font-weight:700}.report-editor{border:2px solid #b8a6df;gap:20px;display:grid}.report-edit-subjects{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;display:grid}.report-editor .lgs-subject{margin-top:0}.report-topic-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;display:grid}.report-topic-grid .panel{gap:10px;display:grid}.report-topic-grid progress{width:100%;accent-color:var(--primary)}@media (max-width:650px){.lgs-save-box .form-row,.report-edit-subjects{grid-template-columns:1fr}.reports-dashboard .admin-heading{flex-direction:column;align-items:flex-start}.report-filters{grid-template-columns:1fr}.report-toolbar{flex-direction:column;align-items:stretch}.report-toolbar .profile-tabs{display:flex}.report-toolbar .profile-tabs button{flex:1}}.student-progress{margin:32px 0}.student-progress>h2{font-size:26px;font-weight:700}.progress-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:20px 0;display:grid}.progress-stats .panel{flex-direction:column;gap:6px;padding:22px;display:flex}.progress-stats strong{color:var(--primary,#43318c);font-size:32px}.grade-progress{padding:24px}.grade-progress h3{font-size:20px;font-weight:700}.grade-progress-row{margin-top:22px}.grade-progress-row>div{flex-wrap:wrap;justify-content:space-between;gap:12px;margin-bottom:8px;display:flex}.grade-progress progress{accent-color:#43318c;width:100%;height:14px}@media (max-width:600px){.progress-stats{grid-template-columns:1fr}.grade-progress{padding:18px}}.student-create-panel{max-width:640px;margin-top:24px;padding:24px}.student-create-panel>.notice{margin-bottom:20px}.student-create-panel input{font-size:16px}@media (max-width:600px){.student-create-panel{padding:18px}}body{background:radial-gradient(ellipse at 85% 8%,#eeeaf880,transparent 45%),var(--paper)}.site-header{border-top:3px solid var(--brand-red);background:#fffffff2;box-shadow:0 4px 24px #29204406}.brand-logo{background:#000;border-radius:10px}.brand-name{color:var(--ink);font-weight:800}.brand-subtitle{color:var(--primary);font-weight:600}.desktop-nav a{border-bottom:2px solid #0000;padding:8px 0}.desktop-nav a:hover{border-bottom-color:var(--brand-red)}.button{border-radius:12px;box-shadow:0 5px 14px #43318c14}.button:hover{background:var(--primary-hover)}.button.secondary{box-shadow:none}.button.danger:hover{background:#a3192a}.dot{background:var(--brand-red);box-shadow:0 0 0 4px var(--red-soft)}.hero-visual{isolation:isolate}.visual-grid{background-color:#eeeaf860;border:1px solid #e1d9f080;border-radius:32px}.hero-visual:before{content:"";z-index:-1;border:18px solid #43318c0d;border-right-color:#e3263617;border-radius:50%;width:285px;height:285px;position:absolute}.float-badge svg{color:var(--brand-red)}.notebook{box-shadow:13px 19px #ddd5ed,0 24px 60px #43318c1c}.notebook-label{color:var(--primary);letter-spacing:1.2px;font-size:9px}.grade-card{border-radius:16px;transition:transform .2s,border-color .2s,box-shadow .2s;box-shadow:0 4px 16px #43318c04}.grade-card:hover{border-color:#b8a6df;box-shadow:0 10px 25px #43318c12}.grade-8{border-color:#edc6ce}.countdown-banner{border-left:5px solid var(--brand-red);background:linear-gradient(115deg,#292044,#43318c);border-radius:22px;box-shadow:0 12px 28px #43318c16}.countdown strong{background:#ffffff12;border-color:#ffffff24;font-weight:600}.material-card{border-radius:16px}.material-card:hover{border-color:#b8a6df}.badge{background:var(--primary-soft);color:var(--primary)}.join-banner{border-left:4px solid var(--brand-red);background:linear-gradient(110deg,#eeeaf8,#fff0f2);border-radius:18px}footer{color:#eeeaf8;border-top:3px solid var(--brand-red);background:#292044}.footer-inner p{color:#c9bfdd}.footer-links a:hover{color:#ffbbc4}.admin-sidebar{border-top:3px solid var(--brand-red);background:linear-gradient(160deg,#292044,#372564)}.admin-sidebar .brand-name{color:#fff}.admin-sidebar nav a:hover{background:#ffffff15}.admin-table th{background:#f6f3fc}.admin-table tbody tr:hover{background:#faf8fd}.auth-card,.panel{box-shadow:0 8px 28px #43318c05}.avatar{border:1px solid #ddd4ef}.grade-progress progress{accent-color:var(--primary)}.test-list{gap:16px;display:grid}.question-card{gap:12px;margin:0;display:grid}.question-card legend{padding:0 6px;font-weight:700}.form-stack .test-choice{border:1px solid var(--line);cursor:pointer;text-align:left;background:#fff;border-radius:12px;grid-template-columns:20px 30px minmax(0,1fr);align-items:center;gap:12px;padding:12px 16px;display:grid}.form-stack .test-choice:hover{background:#faf8ff;border-color:#b8a6df}.form-stack .test-choice:has(input:checked){border-color:var(--primary);background:var(--primary-soft)}.test-choice:focus-within{outline:2px solid var(--primary);outline-offset:2px}.test-choice-letter{background:var(--primary-soft);width:30px;height:30px;color:var(--primary);border-radius:8px;place-items:center;font-weight:700;display:grid}.test-choice-text{overflow-wrap:anywhere;min-width:0;font-weight:400;line-height:1.5}.form-stack .test-choice input[type=radio]{width:18px;height:18px;accent-color:var(--primary);margin:0;padding:0}.question-card>.button{justify-self:start}.test-choice input:not([type=radio]),.test-choice input[type=text]{flex:1}.test-review{gap:12px;padding:0;list-style:none;display:grid}.calculator-help{margin-top:12px;line-height:1.6}.calculator-source{text-underline-offset:3px;text-decoration:underline}.lgs-subject{border:0;border-bottom:1px solid var(--line);min-width:0;margin:18px 0 0;padding:18px 0}.lgs-subject legend{padding:0;font-weight:700}.subject-net{color:var(--primary);white-space:nowrap;font-size:13px;font-weight:600}.lgs-counts{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:12px;display:grid}.lgs-counts input{min-width:0;font-size:16px}.lgs-counts input[readonly]{color:#55516a;background:#f3f1f8}.lgs-counts input[aria-invalid=true]{border-color:#b52134}.lgs-error{color:#a3192a;margin-top:10px;font-size:12px}.score-panel .notice{color:#f3efff;background:#ffffff12;border:1px solid #ffffff30}.score-panel .lgs-total-counts{margin-top:16px}@media (max-width:480px){.form-stack .test-choice{gap:10px;padding:12px}.lgs-counts{gap:8px}.lgs-counts input{padding:10px 8px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button,.grade-card,.material-card{transition:none}.button:hover,.grade-card:hover,.material-card:hover{transform:none}}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}