:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f3f7f8;--bg-soft:#e8f1f4;--panel:#fff;--ink:#17242c;--muted:#63727a;--line:#d6e2e7;--brand:#286f92;--brand-dark:#1c536f;--accent:#a96f4b;--accent-soft:#f3dfcf;--blue-soft:#d8eaf3;--mint-soft:#dcefeb;--sage-soft:#e2eadc;--lavender-soft:#e5e4f1;--danger:#a64242;--shadow:0 18px 45px #17242c1a;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{background:linear-gradient(180deg, #ffffffb8, #fff0), var(--bg);min-height:100vh;color:var(--ink);margin:0}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}.shell{width:min(1180px,100% - 32px);margin:0 auto;padding:24px 0 48px}.topbar{grid-template-columns:1fr auto auto;align-items:center;gap:18px;padding:18px 0 24px;display:grid}.eyebrow{color:var(--accent);text-transform:uppercase;margin:0 0 4px;font-size:.78rem;font-weight:700}h1,h2{letter-spacing:0;margin:0}h1{font-size:clamp(2rem,5vw,4.1rem);line-height:1}h2{font-size:1.1rem}.tabs,.actions,.rowActions,.checks{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.tabs{border:1px solid var(--line);background:var(--bg-soft);border-radius:8px;padding:4px}.tabs button,.secondary,button{border:1px solid var(--line);background:var(--panel);min-height:38px;color:var(--ink);cursor:pointer;border-radius:7px;padding:8px 12px}.tabs button.active,.primary{border-color:var(--brand);background:var(--brand);color:#fff}.primary:hover,.tabs button.active:hover{background:var(--brand-dark)}button:disabled{cursor:wait;opacity:.7}.session{color:var(--muted);align-items:center;gap:8px;font-size:.9rem;display:flex;position:relative}.logoutBox{justify-items:center;gap:2px;display:grid}.logoutX{width:30px;min-height:30px;color:var(--danger);background:#fff6f6;border-color:#e6b9b9;border-radius:999px;place-items:center;padding:0;font-size:1.2rem;font-weight:800;line-height:1;display:grid}.logoutText{min-height:auto;color:var(--danger);background:0 0;border:0;padding:0;font-size:.76rem}.menuWrap{position:relative}.burger{grid-template-rows:repeat(3,2px);align-content:center;gap:4px}.burger span{background:var(--ink);border-radius:2px;width:16px;height:2px}.menuPanel{z-index:10;border:1px solid var(--line);min-width:150px;box-shadow:var(--shadow);background:#fff;border-radius:8px;padding:6px;position:absolute;top:calc(100% + 8px);right:0}.menuPanel button{text-align:left;background:0 0;border:0;justify-content:flex-start;width:100%}.iconButton{border:1px solid var(--line);width:38px;height:38px;color:var(--ink);background:#fff;border-radius:7px;place-items:center;padding:0;text-decoration:none;display:inline-grid}.iconButton.danger{color:var(--danger);border-color:#e2b8b8}.textButton{border:1px solid var(--line);min-height:36px;color:var(--ink);cursor:pointer;background:#fff;border-radius:7px;justify-content:center;align-items:center;padding:7px 10px;text-decoration:none;display:inline-flex}.textButton:hover{border-color:var(--brand)}.textButton.danger{color:var(--danger);border-color:#e2b8b8}.textButton.disabled{cursor:default;opacity:.7}.deleteHelpWrap{display:inline-flex;position:relative}.deleteHint{z-index:20;border:1px solid var(--line);width:min(280px,100vw - 48px);color:var(--ink);background:#fff;border-radius:8px;padding:10px;font-size:.84rem;line-height:1.4;display:none;position:absolute;bottom:calc(100% + 8px);right:0;box-shadow:0 12px 28px #17211b24}.deleteHelpWrap:hover .deleteHint,.deleteHelpWrap:focus-within .deleteHint{display:block}.notice{border-left:4px solid var(--accent);background:#fff8f0;border-radius:6px;margin:0 0 16px;padding:12px 14px}.workspace,.teacherWorkspace{gap:18px;display:grid}.workspace.split{grid-template-columns:minmax(280px,420px) 1fr;align-items:start}.panel,.planCard{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:18px;box-shadow:0 10px 30px #1c2c260e}.panel.narrow{width:min(440px,100%)}.teacherDashboard{grid-template-columns:repeat(4,minmax(140px,1fr));align-items:stretch;gap:16px;display:grid}.toolTile{aspect-ratio:1;border:1px solid var(--line);text-align:center;background:#ffffffeb;border-radius:8px;align-content:center;justify-items:center;gap:10px;padding:18px;display:grid;box-shadow:0 10px 30px #1c2c260e}.toolTile strong{font-size:1.05rem}.toolTile small{color:var(--muted);line-height:1.35}.toolTile:hover{border-color:var(--brand);box-shadow:inset 0 0 0 2px #286f921f}.tileIcon{background:var(--blue-soft);width:42px;height:42px;color:var(--brand-dark);border-radius:8px;place-items:center;font-size:1.35rem;font-weight:900;display:grid}.compactTrash{color:var(--danger)}.compactTrash .tileIcon{color:var(--danger);background:#fff1f1}.dashboardHint{color:var(--muted);grid-column:1/-1;justify-self:start;align-items:center;gap:8px;display:flex}.dashboardHint strong{color:var(--brand-dark)}.sectionHead{justify-content:space-between;align-items:center;gap:12px;display:flex}.filterbar{background:var(--bg-soft);border:1px solid var(--line);border-radius:8px;align-items:start;gap:12px;padding:12px;display:grid}.filterLabel,.form label,fieldset{color:var(--muted);gap:7px;font-size:.88rem;font-weight:650;display:grid}.filterLabel{margin-bottom:8px}.buttonGroup{flex-wrap:wrap;gap:8px;display:flex}.buttonGroup button{color:#26332b;border:1px solid #0000;min-width:48px;font-weight:750}.yearButtons button:first-child{background:var(--sage-soft)}.yearButtons button:nth-child(2){background:var(--blue-soft)}.yearButtons button:nth-child(3){background:#f0e8d2}.yearButtons button:nth-child(4){background:var(--accent-soft)}.yearButtons button:nth-child(5){background:var(--lavender-soft)}.yearButtons button:nth-child(6){background:var(--mint-soft)}.quarterButtons button:first-child{background:#f2e5be}.quarterButtons button:nth-child(2){background:#d8ebdd}.quarterButtons button:nth-child(3){background:#d7e6f0}.quarterButtons button:nth-child(4){background:#ead8e8}.buttonGroup button.active{border-color:var(--brand-dark);box-shadow:inset 0 0 0 2px #0d493f2e}input,select,textarea{border:1px solid var(--line);width:100%;min-height:40px;color:var(--ink);background:#fff;border-radius:7px;padding:8px 10px}textarea{resize:vertical}fieldset{border:1px solid var(--line);border-radius:8px;margin:0;padding:12px}legend{padding:0 6px}.inline,.checks label{flex-direction:row;align-items:center;display:flex}.inline input,.checks input{width:18px;min-height:18px}.matrix{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;display:grid}.fitMatrixEditor,.studentMatrix{gap:12px;display:grid;overflow-x:auto}.matrixHeaderLine{color:var(--ink);grid-template-columns:auto minmax(240px,1fr) auto;align-items:center;gap:12px;display:grid}.matrixHeaderLine em{font-style:normal;font-weight:800}.fitMatrixGrid,.fitMatrixPreview{background:#fff;border:2px solid #1c1c1c;grid-template-columns:150px repeat(4,minmax(150px,1fr));min-width:920px;display:grid}.matrixSymbolCell,.matrixTaskCell,.matrixTopicCell,.matrixTopicInput{background:#fff;border:2px solid #1c1c1c;min-height:138px}.matrixSymbolCell{background:#7a7a7a;place-items:center;padding:16px;display:grid}.matrixSymbolCell img{background:#fff;width:min(110px,90%);height:auto}.matrixTaskCell{align-content:start;gap:8px;padding:8px;display:grid;position:relative}.matrixTaskCell textarea{background:0 0;border:0;border-radius:0;min-height:96px;padding:4px;line-height:1.35}.matrixTaskCell p{white-space:pre-wrap;margin:0;line-height:1.35}.matrixBlue{border-color:#2eb7ff}.matrixGold{border-color:#f3c332}.matrixRed{border-color:#ff4b4b}.matrixPurple{border-color:#7047ff}.matrixTopicCell,.matrixTopicInput{text-align:center;place-items:center;min-height:86px;padding:10px;font-size:1.25rem;font-weight:800;display:grid}.matrixTopicInput input{text-align:center;background:0 0;border:0;font-size:1.1rem;font-weight:800}.cellQrButton{min-height:28px;color:var(--brand-dark);background:#f4f9fb;border-color:#cbdde7;justify-self:end;padding:4px 8px;font-size:.78rem}.cellQr{border:1px solid var(--line);background:#fff;border-radius:6px;justify-self:end;width:82px;padding:4px}.plainTitleButton{width:100%;color:var(--ink);text-align:left;background:0 0;border:0;justify-items:start;padding:0;display:grid}.planHead{color:var(--brand-dark);justify-content:space-between;gap:12px;margin-bottom:14px;font-weight:800;display:flex}.materialLink{border:1px solid var(--line);color:var(--ink);background:#fbfdfb;border-radius:7px;gap:8px;margin-top:10px;padding:12px;text-decoration:none;display:grid}.materialLink:hover{border-color:var(--brand)}.materialLink a{color:var(--ink);gap:4px;text-decoration:none;display:grid}.materialLink small,.hint,.row span{color:var(--muted)}.qrButton{min-height:32px;color:var(--brand-dark);background:#eef6ef;border-color:#cbded3;justify-self:start;margin-top:4px;padding:6px 10px}.qrBox,.qrPreview{background:#fbfdfb;border:1px dashed #cbded3;border-radius:8px;place-items:center;margin-top:8px;padding:10px;display:grid}.qrBox img{width:min(180px,100%)}.qrPreview img{width:min(240px,100%)}.qrGenerator{gap:10px;display:grid}.fieldHelpWrap{align-items:center;gap:7px;width:max-content;display:inline-flex;position:relative}.helpIcon{width:20px;height:20px;color:var(--brand-dark);cursor:help;background:#eef6ef;border:1px solid #bdd4c6;border-radius:999px;place-items:center;font-size:.78rem;font-weight:800;display:inline-grid}.helpBubble{z-index:20;border:1px solid var(--line);width:min(320px,100vw - 48px);box-shadow:var(--shadow);color:var(--ink);background:#fff;border-radius:8px;padding:12px;font-size:.84rem;font-weight:500;line-height:1.45;display:none;position:absolute;top:50%;left:100%;transform:translate(10px,-50%)}.helpIcon:hover+.helpBubble,.helpIcon:focus+.helpBubble{display:block}.form,.list{gap:14px;margin-top:16px;display:grid}.loginShell{background:linear-gradient(145deg, #d8eaf3f2, #f3f7f894 45%, #dcefebeb), var(--bg);place-items:center;min-height:100vh;padding:24px;display:grid}.loginPanel{border:1px solid var(--line);width:min(520px,100%);box-shadow:var(--shadow);background:#fffffff0;border-radius:8px;gap:28px;padding:clamp(22px,5vw,36px);display:grid}.loginBrand{text-align:center;justify-items:center;gap:18px;display:grid}.loginBrand img{width:min(150px,42vw);height:auto}.loginBrand h1{color:var(--brand-dark);font-size:clamp(2.35rem,8vw,4.2rem);line-height:.98}.loginWelcome{color:var(--muted);margin:8px 0 0;font-size:clamp(1.05rem,3vw,1.35rem);font-weight:700}.loginChoices{gap:12px;display:grid}.loginChoice{min-height:72px;color:var(--ink);border:1px solid #0000;place-items:center;font-size:clamp(1rem,4vw,1.2rem);font-weight:800;display:grid}.studentChoice{background:var(--blue-soft)}.teacherChoice{background:#cfe3ee}.loginChoice:hover{border-color:var(--brand);box-shadow:inset 0 0 0 2px #2f7d7024}.imprintLink{color:var(--muted);background:0 0;border:0;justify-self:center;min-height:auto;padding:4px 6px;text-decoration:underline}.modalBackdrop{z-index:50;background:#18231f5c;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.modalPanel{border:1px solid var(--line);width:min(860px,100%);max-height:min(86vh,900px);box-shadow:var(--shadow);background:#fff;border-radius:8px;padding:20px;overflow:auto}.modalHeader{justify-content:space-between;align-items:start;gap:16px;margin-bottom:14px;display:flex}.imprintGrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.imprintGrid section{border:1px solid var(--line);background:#fbfdfb;border-radius:8px;padding:14px}.imprintGrid h3{margin:0 0 8px;font-size:.98rem}.imprintGrid p{color:var(--muted);margin:0;line-height:1.5}.emptyImprint{border:1px dashed var(--line);min-height:180px;color:var(--muted);background:#fbfdfb;border-radius:8px;place-items:center;display:grid}.emptyImprint p{margin:0}.studentScope{color:var(--muted);background:#f7fbf8;border:1px solid #c9dccf;border-radius:8px;justify-content:space-between;align-items:center;gap:10px;padding:12px 14px;display:flex}.studentScope strong{color:var(--brand-dark);white-space:nowrap}.lockedQuarter{border:1px solid var(--brand-dark);background:var(--accent-soft);min-width:48px;min-height:38px;color:var(--brand-dark);border-radius:7px;place-items:center;font-weight:800;display:inline-grid}.submissionForm{border-top:1px solid var(--line);gap:8px;margin-top:10px;padding-top:10px;display:grid}.submissionForm strong{color:var(--brand-dark);font-size:.9rem}.pageFooter{justify-content:center;margin-top:42px;display:flex}.pageFooter button,.imprintLink{opacity:.58;color:var(--muted);background:0 0;border:0;font-size:.82rem;text-decoration:none}.pageFooter button:hover,.imprintLink:hover{opacity:1;text-decoration:underline}.grid2{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.row{border:1px solid var(--line);border-radius:8px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;padding:12px;display:grid}.row div:first-child{gap:4px;min-width:0;display:grid}.row strong,.row span{overflow-wrap:anywhere}@media (width<=900px){.topbar,.workspace.split,.matrix,.teacherDashboard,.imprintGrid{grid-template-columns:1fr}.toolTile{aspect-ratio:auto;min-height:150px}.tabs{justify-content:stretch}.tabs button{flex:1}}@media (width<=560px){.shell{width:min(100% - 20px,1180px);padding-top:12px}.grid2,.row{grid-template-columns:1fr}.rowActions{justify-content:flex-start}.studentScope{display:grid}.loginPanel{gap:22px}}