:root{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:#233d38;background:#f6f7f2;font-synthesis:none;--green:#173f3b;--muted:#667770;--line:#e0e5dc;--lime:#c6e789}
*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.48}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #648e25;outline-offset:4px}button{touch-action:manipulation}.skip-link{position:fixed;top:-70px;left:20px;z-index:20;background:white;padding:14px}.skip-link:focus{top:10px}.shell{display:flex;min-height:100dvh}.sidebar{width:236px;flex-shrink:0;border-right:1px solid var(--line);padding:32px 18px 22px;background:#fcfcf8;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:20px;font-weight:750;line-height:1.05;padding:0 10px}.brand-second{display:block;font-weight:500}.nav-label{font-size:10px;letter-spacing:1.8px;font-weight:750;color:#819087;margin:45px 14px 14px}nav{display:grid;gap:5px}.nav-link{display:flex;align-items:center;gap:13px;padding:14px;border-radius:10px;text-decoration:none;font-size:14px;min-height:48px;color:#63736d}.nav-link:hover{background:#edf1e8}.nav-link.active{background:#e7eedf;color:var(--green);font-weight:700}.icon{width:22px;height:22px;flex-shrink:0;display:inline-block;vertical-align:middle}.sidebar-bottom{margin-top:auto;padding:30px 12px 0;font-size:11px;color:var(--muted);display:flex;align-items:center;gap:7px;flex-wrap:wrap}.version-dot{width:6px;height:6px;border-radius:100%;background:#7a9b57}.prototype{color:#8e998f}.workspace{flex:1;min-width:0;padding:0 42px;max-width:1600px}.topbar{min-height:86px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}.topbar-label{font-size:12px;color:var(--muted)}.topbar-actions{display:flex;align-items:center;gap:14px}.status-chip{font-size:11px;display:flex;align-items:center;gap:7px}.status-chip:before{content:"";width:6px;height:6px;border-radius:50%;background:#8aa46c}.status-chip.warning:before{background:#bb8b42}main{padding:36px 0 20px;outline:none}.eyebrow{font-size:10px;letter-spacing:1.8px;font-weight:800;color:#7b8d73}h1{font-size:clamp(27px,3vw,36px);letter-spacing:-1.2px;margin:9px 0 10px;font-weight:650}h2{font-size:22px;letter-spacing:-.5px;font-weight:650;margin:0 0 12px}h3{font-size:17px;letter-spacing:-.3px;margin:0 0 8px}.intro{color:var(--muted);font-size:14px;line-height:1.7;margin:0;max-width:640px}.heading{margin-bottom:26px}.hero{display:grid;grid-template-columns:1fr 225px;gap:26px;background:var(--green);color:#f9fcf6;border-radius:18px;padding:32px;position:relative;overflow:hidden;min-height:228px}.hero .eyebrow{color:#bad79e}.hero h2{font-size:29px;margin:11px 0}.hero p{color:#ceded5;font-size:14px;line-height:1.7;max-width:470px;margin:0 0 23px}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid transparent;border-radius:9px;padding:13px 18px;min-height:48px;font-weight:650;font-size:13px;text-decoration:none}.button.primary{background:var(--green);color:white}.button.lime{background:var(--lime);color:#244234}.button.secondary{background:#fcfcf9;border-color:#dbe1d6;color:var(--green)}.button.small{min-height:44px;padding:9px 13px;font-size:12px}.button:hover:not(:disabled){filter:brightness(.95)}.hero-art{display:grid;place-items:center;position:relative}.sheet-art{background:#f7f8ee;border-radius:9px;width:135px;height:172px;transform:rotate(8deg);box-shadow:12px 12px 0 #ffffff0a;padding:17px;color:#25473a}.art-title{font-size:9px;letter-spacing:1px;font-weight:800}.art-line{height:2px;background:#c4cfbd;margin:9px 0 15px;width:66px}.art-row{display:flex;align-items:center;gap:9px;margin-bottom:12px}.art-number{font-size:7px;width:8px}.bubble{width:10px;height:10px;border-radius:50%;border:1px solid #9aaf99}.bubble.filled{background:#456748;border-color:#456748}.art-check{position:absolute;right:17px;bottom:20px;background:var(--lime);border:5px solid var(--green);border-radius:50%;width:52px;height:52px;display:grid;place-items:center;color:var(--green)}.section-heading{display:flex;align-items:center;justify-content:space-between;margin:30px 0 15px}.section-heading h2{font-size:18px;margin:0}.section-heading span{font-size:11px;color:#7d8b80}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.card{display:flex;flex-direction:column;align-items:flex-start;background:#fcfcf9;border:1px solid var(--line);border-radius:13px;padding:21px;text-decoration:none;min-height:162px;transition:transform .15s,border-color .15s}.card:hover{transform:translateY(-2px);border-color:#a8baa0}.card-top{display:flex;width:100%;justify-content:space-between;align-items:center;margin-bottom:18px}.icon-box{background:#edf1e6;color:#536d48;width:38px;height:38px;display:grid;place-items:center;border-radius:10px}.soon{font-size:9px;color:#778574;background:#f0f2e9;border-radius:5px;padding:5px 7px}.card h3{font-size:15px}.card p{font-size:12px;color:var(--muted);line-height:1.65;margin:0}.note{display:flex;align-items:flex-start;gap:13px;background:#edf1e5;border:1px solid #e3e9d8;border-radius:11px;padding:17px 20px;margin-top:22px;color:#5f7453}.note p{margin:0;font-size:12px;line-height:1.7}.note strong{color:#3c5437}footer{padding:20px 0 25px;display:flex;justify-content:space-between;gap:12px;color:#869182;font-size:10px}.panel{background:#fcfcf9;border:1px solid var(--line);border-radius:16px;padding:28px}.empty-state{min-height:280px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:12px}.empty-state .icon-box{width:58px;height:58px}.empty-state h2{margin:6px 0 0}.empty-state p{max-width:430px;color:var(--muted);font-size:14px;line-height:1.7;margin:0 0 10px}.scan-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:22px}.camera-stage{background:#e9eee4;min-height:330px;border-radius:12px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.camera-stage video,.camera-stage img{width:100%;max-height:65dvh;object-fit:contain;display:block}.camera-stage [hidden]{display:none}.camera-placeholder{text-align:center;padding:30px;color:#788770}.camera-placeholder .icon{width:42px;height:42px;margin-bottom:12px}.camera-placeholder p{font-size:13px}.scan-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.scan-aside h2{font-size:18px}.scan-aside p,.scan-aside li{font-size:13px;color:var(--muted);line-height:1.8}.scan-aside ol{padding-left:20px}.message{font-size:13px;line-height:1.7;color:#526746;min-height:44px;margin:14px 0 0}.message.error{color:#976629}.privacy-line{font-size:11px;color:#7a8972;margin-top:20px}.file-input{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden}dialog{border:1px solid var(--line);border-radius:16px;max-width:480px;width:calc(100% - 32px);padding:0;color:#233d38;background:#fcfcf9}dialog::backdrop{background:#173f3b66}.dialog-body{padding:30px}.dialog-body h2{margin-top:12px}.dialog-body p{font-size:14px;color:var(--muted);line-height:1.7}[hidden]{display:none!important}
@media(min-width:1450px){.workspace{padding:0 64px}.cards{gap:20px}.card{padding:25px}}
@media(max-width:1050px){.sidebar{width:194px;padding:27px 12px 20px}.workspace{padding:0 25px}.hero{grid-template-columns:1fr 160px;padding:26px}.hero-art .art-check{right:0}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.scan-layout{grid-template-columns:1fr}.scan-aside{padding-top:10px}.topbar-label{display:none}.topbar{justify-content:flex-end}.brand{font-size:18px}}
@media(max-width:650px){.shell{display:block}.sidebar{width:auto;display:block;padding:17px 18px 12px;border-right:0;border-bottom:1px solid var(--line)}.brand{padding:0;font-size:18px}.brand-second{display:inline;margin-left:5px}.brand img{width:36px;height:36px}.nav-label,.sidebar-bottom{display:none}nav{display:flex;overflow-x:auto;margin-top:14px;gap:5px;padding:2px 0}.nav-link{white-space:nowrap;padding:10px;min-height:44px;font-size:12px}.nav-link .icon{width:18px;height:18px}.workspace{padding:0 18px}.topbar{min-height:66px}.topbar-actions{width:100%;justify-content:space-between;gap:8px}.status-chip{font-size:10px}main{padding-top:24px}.hero{grid-template-columns:1fr;padding:25px;min-height:0}.hero-art{display:none}.hero h2{font-size:25px}.cards{gap:11px}.card{padding:16px;min-height:180px}.card-top{margin-bottom:16px}.soon{font-size:8px}.card h3{font-size:14px}.card p{font-size:11px}.section-heading span{display:none}.panel{padding:18px}.camera-stage{min-height:260px}footer{font-size:9px}.note{padding:15px}.scan-actions .button{flex:1 0 auto}}
.class-quick-link{display:flex;align-items:center;gap:16px;background:#e8efdf;border:1px solid #d7e2cb;border-radius:12px;padding:19px 22px;margin-top:20px;text-decoration:none}.class-quick-link>span{flex:1}.class-quick-link strong{display:block;font-size:16px}.class-quick-link span span{display:block;font-size:12px;color:var(--muted);margin-top:5px}.class-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}.class-tabs .button span{background:#ffffff22;border-radius:5px;padding:3px 7px}.roster-heading{display:flex;align-items:center;justify-content:space-between;gap:14px}.roster-heading h2{margin:9px 0 0;font-size:25px}.roster-count{background:#eaf0e1;border-radius:20px;padding:9px 14px;font-size:12px;white-space:nowrap}.roster-warning{background:#fbf3dd;border-radius:8px;color:#866729;font-size:12px;line-height:1.7;padding:12px 15px;margin:20px 0 8px}.student-list{margin-top:15px}.student-row{display:flex;gap:16px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line)}.student-row:last-child{border-bottom:0}.student-avatar{display:grid;place-items:center;width:44px;height:44px;flex-shrink:0;border-radius:12px;background:#edf1e6;color:#607753;font-size:13px;font-weight:700}.student-name{flex:1;min-width:0}.student-name h3{font-size:17px;font-weight:650;overflow-wrap:anywhere}.student-name p{margin:0;color:var(--muted);font-size:13px}.student-number{background:#f0f3eb;border-radius:7px;padding:9px 12px;font-size:13px;font-weight:650;white-space:nowrap;font-variant-numeric:tabular-nums}.missing-id{background:#fbf3dd;color:#866729;font-size:11px}.import-panel{margin-top:22px}.import-panel summary{cursor:pointer;font-size:15px;font-weight:650;min-height:28px}.import-panel form{display:grid;gap:13px;margin-top:24px}.import-panel label{font-size:13px;font-weight:650}.import-panel input,.import-panel textarea{background:white;border:1px solid #cfd9c8;border-radius:8px;padding:14px;width:100%;color:#233d38}.import-panel textarea{resize:vertical;min-height:150px}.import-panel .button{justify-self:start}.import-panel .intro{font-size:12px}.import-panel .message{margin:0;min-height:0}
.class-actions{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 22px}.roster-heading-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}.roster-heading-actions .button{white-space:nowrap}.import-panel h2{margin-bottom:10px}.import-panel .button .icon{width:18px;height:18px}
.class-group-tabs{display:flex;gap:8px;margin-bottom:13px;border-bottom:1px solid var(--line)}.class-group-tab{border:0;background:transparent;color:var(--muted);font-weight:700;padding:12px 15px;border-radius:9px 9px 0 0}.class-group-tab.active{background:#e7eedf;color:var(--green)}
@media(max-width:650px){.student-row{gap:12px;flex-wrap:wrap}.student-avatar{width:37px;height:37px}.student-number{font-size:12px}.missing-id{font-size:10px}.roster-heading{align-items:flex-start;flex-wrap:wrap}.roster-heading h2{font-size:21px}.roster-count{font-size:11px;padding:7px 10px}.student-name h3{font-size:16px}.student-name p{font-size:12px}.class-actions .button{flex:1}}
.test-form{display:grid;gap:20px}.test-meta{display:grid;grid-template-columns:2fr 1fr;gap:20px}.test-form label{font-size:13px;font-weight:650}.test-meta label{display:grid;gap:9px}.test-form input:not([type=checkbox]),.test-form select{width:100%;border:1px solid #ced9c8;border-radius:8px;background:white;color:var(--green);padding:13px;font:inherit;min-height:48px}.class-choice{border:1px solid var(--line);border-radius:10px;padding:16px;display:grid;gap:14px}.class-choice legend{font-size:13px;font-weight:650;padding:0 7px}.class-choice label,.review-control{display:flex;align-items:center;gap:12px;min-height:36px;flex-wrap:wrap}.class-choice label span{font-size:11px;color:var(--muted);font-weight:400}.test-form input[type=checkbox]{width:20px;height:20px;accent-color:var(--green)}.key-sections{display:grid;grid-template-columns:1fr 1fr;gap:25px}.key-sections h2{font-size:19px}.key-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.key-grid label{display:grid;gap:7px}.test-form>.button{justify-self:start}.paper-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.papers-panel{margin-top:24px}.print-spec{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:32px}.print-spec strong{font-size:14px}.print-spec p{font-size:13px;color:var(--muted);line-height:1.7}.test-form .message{margin:0;min-height:0}
.answer-key-scan{margin-top:24px;display:flex;align-items:center;gap:18px;background:#edf3e8}.answer-key-scan>div{flex:1}.answer-key-scan h2{font-size:19px;margin:7px 0}.answer-key-scan p{margin:0;color:var(--muted);font-size:13px;line-height:1.65;max-width:650px}
@media(max-width:800px){.key-sections,.test-meta,.print-spec{grid-template-columns:1fr}.key-grid{grid-template-columns:repeat(2,1fr)}.paper-links .button{width:100%}.answer-key-scan{align-items:flex-start;flex-wrap:wrap}.answer-key-scan .button{width:100%}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
.quiz-library{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.quiz-card.selected{border-color:#638653;background:#edf3e8}.quiz-card p{font-size:12px;color:var(--muted);line-height:1.6}.quiz-download{display:flex;align-items:center;gap:8px;margin-top:14px;min-height:44px;font-size:13px;font-weight:650}.new-test-button{margin-top:16px}.teacher-template{display:flex;align-items:center;gap:18px;margin-top:22px;padding:18px;border:1px solid #d4dfc9;border-radius:14px;background:#f2f7ed}.teacher-template>div{flex:1}.teacher-template h2{margin:5px 0;font-size:18px}.teacher-template p{margin:0;color:var(--muted);line-height:1.55}.teacher-template .button{flex-shrink:0}
@media(max-width:800px){.teacher-template{align-items:flex-start;flex-wrap:wrap}.teacher-template .button{width:100%}}