:root{color:#25382f;font-synthesis:none;--bg:#f4f6f1;--panel:#fff;--text:#25382f;--muted:#64736a;--border:#dce4dc;--primary:#28664b;--soft:#e7efe5;--accent:#daeab1;--danger:#a43535;--success:#28664b;--text-muted:var(--muted);--primary-light:var(--soft);--secondary:var(--soft);background:#f4f6f1;font-family:DM Sans,system-ui,sans-serif}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#151f1b;--panel:#1e2b24;--text:#e5eee6;--muted:#a8bbad;--border:#384d3f;--primary:#a3d1a8;--soft:#2c4234;--accent:#425b2b;--danger:#faa;--success:#a3d1a8}*{box-sizing:border-box}.mark-points{padding-left:1.4rem}.mark-points li{margin-block:.6rem}.mark-earned>strong{color:var(--success)}.mark-missed>strong{color:var(--danger)}.marking-flag{color:#736332;background:#fff9dc;border:1px solid #eadf9c;border-radius:999px;padding:3px 8px;font-size:.72rem;display:inline-block}body{background:var(--bg);color:var(--text);min-width:320px;margin:0}button,input,select,textarea{font:inherit}button,.button{background:var(--primary);color:var(--panel);cursor:pointer;border:1px solid #0000;border-radius:10px;justify-content:center;align-items:center;gap:.55rem;min-height:44px;padding:.8rem 1.15rem;font-weight:700;text-decoration:none;transition:background .15s;display:inline-flex}button:hover,.button:hover{filter:brightness(.94)}button:disabled{opacity:.55;cursor:not-allowed}.secondary{background:var(--panel);color:var(--text);border-color:var(--border)}a{color:var(--primary);text-underline-offset:4px}a:hover{text-decoration:underline}input,select,textarea{background:var(--panel);color:var(--text);border:1px solid var(--border);border-radius:8px;max-width:100%;min-height:44px;padding:.75rem}textarea{resize:vertical;width:100%;line-height:1.7}input:not([type=checkbox]),select{width:100%}label{margin:.9rem 0 .4rem;font-weight:600;display:block}label select{margin-top:.4rem}input[type=checkbox]{accent-color:var(--primary);flex-shrink:0;width:18px;min-height:18px}h1,h2,h3{letter-spacing:-.035em;margin:0 0 .7rem;font-family:Manrope,system-ui,sans-serif;font-weight:800;line-height:1.3}h1{font-size:clamp(1.8rem,3vw,2.5rem)}h2{font-size:1.3rem}h3{font-size:1rem}p{margin:.5rem 0 1rem;line-height:1.7}small{font-size:.78rem}strong{font-weight:700}code{background:var(--soft);letter-spacing:.12em;border-radius:7px;padding:.6rem}.muted,.helper{color:var(--muted)}.helper{font-size:.82rem;line-height:1.6}.eyebrow{letter-spacing:.15em;color:var(--muted);margin-bottom:.7rem;font-size:.65rem;font-weight:800}.spaced{margin-top:1.8rem}:focus-visible{outline-offset:4px;outline:3px solid #d09427}.skip-link{z-index:200;background:var(--panel);padding:1rem;position:fixed;top:-100px;left:1rem}.skip-link:focus{top:1rem}.app-shell{min-height:100vh}.sidebar{background:var(--panel);border-right:1px solid var(--border);z-index:40;flex-direction:column;width:244px;padding:32px 22px;display:flex;position:fixed;inset:0 auto 0 0}.brand{color:var(--text);align-items:center;gap:12px;margin-bottom:48px;font-size:1.15rem;font-weight:800;line-height:1.2;text-decoration:none;display:flex}.brand small{letter-spacing:.28em;font-size:.65rem}.brand-icon{background:var(--primary);width:44px;height:44px;color:var(--panel);border-radius:14px;place-items:center;display:grid}.sidebar nav{gap:8px;display:grid}.sidebar nav a{color:var(--muted);border-radius:9px;align-items:center;gap:12px;padding:12px 13px;font-size:.87rem;font-weight:600;text-decoration:none;display:flex}.sidebar nav a.active{color:var(--primary);background:var(--soft)}.sidebar-bottom{gap:8px;margin-top:auto;padding-top:24px;display:grid}.account-label{gap:7px;margin-bottom:14px;display:grid;overflow:hidden}.account-label small{text-overflow:ellipsis;white-space:nowrap;color:var(--muted);overflow:hidden}.badge{border:1px solid var(--border);background:var(--soft);border-radius:7px;width:fit-content;padding:5px 9px;font-size:.69rem;font-weight:600;display:inline-block}.badge.live:before{content:"●";color:var(--primary);margin-right:7px}.main-content{max-width:1680px;margin-left:244px;padding:38px clamp(22px,4vw,64px)}.page-stack{gap:25px;max-width:1150px;margin:auto;display:grid}.dashboard-heading,.section-title,.session-header{justify-content:space-between;align-items:center;gap:15px;display:flex}.dashboard-heading p{margin-bottom:0}.subject-tabs{background:var(--soft);border-radius:11px;flex-wrap:wrap;gap:6px;width:fit-content;max-width:100%;padding:5px;display:flex}.subject-tabs button,.subject-tabs a{color:var(--muted);background:0 0;border:0;border-radius:8px;min-height:42px;padding:10px 22px;font-size:.84rem;font-weight:700;text-decoration:none}.subject-tabs [aria-pressed=true],.subject-tabs [aria-current=page]{background:var(--panel);color:var(--text);box-shadow:0 1px 4px #0000000b}.panel,.glass-card{background:var(--panel);border:1px solid var(--border);border-radius:16px;min-width:0;padding:26px}.hero-panel{color:#26432f;background:#e5eecf;border:1px solid #d7e2bd;border-radius:18px;grid-template-columns:1.2fr 1fr;min-height:278px;padding:32px 38px;display:grid;overflow:hidden}.hero-panel h2{letter-spacing:-.05em;font-size:clamp(2rem,3.1vw,2.9rem);line-height:1.16}.hero-panel p{color:#4e634a;max-width:430px;font-size:.88rem}.hero-panel .eyebrow{color:#586e4d}.hero-panel .button{color:#fff;background:#28664b}.hero-art{isolation:isolate;place-items:center;display:grid;position:relative}.art-sheet{text-align:center;z-index:1;background:#fcfff6;border:1px solid #b8c5a8;border-radius:13px;width:205px;height:214px;padding:22px;transform:rotate(9deg);box-shadow:12px 15px #bfd190}.art-sheet span{letter-spacing:.14em;font-size:.55rem;font-weight:800}.art-sheet div{color:#356343;font-family:Georgia,serif;font-size:6rem;line-height:1.45}.art-sheet i{font-size:.7rem}.art-orbit{border:1px dashed #8ea777;border-radius:50%;width:270px;height:270px;position:absolute;transform:rotate(-15deg)}.stats-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;display:grid}.stat{background:var(--panel);border:1px solid var(--border);border-radius:13px;gap:10px;padding:21px;display:grid;position:relative}.stat svg{width:20px;color:var(--muted);position:absolute;top:23px;right:18px}.stat strong{letter-spacing:-.04em;font-size:2rem;line-height:1.2}.stat span{color:var(--muted);font-size:.74rem}.two-columns{grid-template-columns:1.1fr 1fr;gap:22px;display:grid}.focus-row{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:12px;padding:13px 0;font-size:.84rem;display:flex}.focus-row small{color:var(--muted);font-weight:400}.trend{justify-content:space-between;align-items:end;gap:10px;height:200px;margin-top:25px;padding:28px 0;display:flex}.trend-column{flex-direction:column;flex:1;justify-content:end;align-items:center;gap:8px;height:100%;display:flex;position:relative}.trend-column>div{background:var(--primary);opacity:.8;border-radius:5px 5px 1px 1px;flex-shrink:0;width:60%;min-height:3px}.trend-column>span{color:var(--muted);font-size:.68rem}.trend-column small{color:var(--muted);font-size:.67rem;position:absolute;bottom:-24px}.activity-list{margin:0;padding:0;list-style:none}.activity-row{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:16px;padding:16px 0;display:flex}.activity-row:last-child{border-bottom:0}.activity-row p{color:var(--muted);margin:4px 0 0;font-size:.8rem}.activity-row strong{font-size:.9rem}.activity-row>div:last-child{text-align:right}.setup-grid{grid-template-columns:1fr 1.15fr;gap:42px;display:grid}.setup-grid>div:first-child{border-right:1px solid var(--border);padding-right:36px}.setup-grid label.check{margin:20px 0}.check{align-items:center;gap:10px;font-size:.86rem;line-height:1.5;display:flex}.topic-grid{grid-template-columns:1fr 1fr;gap:9px;display:grid}.topic-grid .topic{border:1px solid var(--border);cursor:pointer;border-radius:9px;padding:13px;margin:0!important}.notice{background:var(--soft);color:var(--text);border:1px solid var(--border);overflow-wrap:anywhere;border-radius:10px;padding:14px 17px;font-size:.86rem;line-height:1.6}.notice.error{border-color:var(--danger)}.notice button{margin-left:12px}.button-row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.button-row input,.button-row select{width:auto;min-width:140px}.button-row label{margin:0}.timer{font-variant-numeric:tabular-nums;text-align:right;font-size:1.6rem}.session-header h1{outline:none}.question-card{width:100%;max-width:850px;margin:auto;padding:36px}.question-card h2{white-space:pre-line;margin:22px 0;font-size:1.4rem;line-height:1.6}.options{gap:12px;margin:25px 0;display:grid}.option{text-align:left;background:var(--panel);border:1px solid var(--border);color:var(--text);justify-content:start;gap:16px;padding:16px;font-weight:500}.option span{border:1px solid var(--border);border-radius:6px;place-items:center;min-width:30px;height:30px;font-size:.8rem;display:grid}.option.selected{border:2px solid var(--primary);background:var(--soft)}.option.wrong-choice,.option.wrong-choice.selected{color:#761919;background:#fff0f0;border:2px solid #bb3030}.option:disabled{opacity:1}.feedback{border-left:3px solid var(--primary);background:var(--soft);margin:18px 0;padding:12px 18px}.feedback.incorrect{background:#fff0f0;border-left-color:#bb3030}.feedback p:last-child{margin-bottom:0}.answer-part,.review-part{border-bottom:1px solid var(--border);padding:18px 0}.answer-part label{white-space:pre-line;font-weight:400;line-height:1.8}.marks{float:right;margin-left:12px;font-weight:700}.structured-card h2{white-space:pre-line;font-size:1.1rem;line-height:1.7}.submission{white-space:pre-wrap;background:var(--soft);overflow-wrap:anywhere;border-radius:8px;padding:16px}.reading{max-width:800px;margin:auto;font-family:Georgia,serif;font-size:1.07rem}.reading p{padding-left:27px;line-height:1.9;position:relative}.paragraph-number{color:var(--muted);font:11px DM Sans,sans-serif;position:absolute;top:4px;left:0}.sticky-actions{background:var(--panel);border:1px solid var(--border);z-index:10;border-radius:12px;justify-content:center;gap:12px;padding:14px;display:flex;position:sticky;bottom:12px;box-shadow:0 5px 25px #0001}.exam-diagram{color:#222;background:#fff;border:1px solid #ddd;border-radius:8px;max-width:600px;margin:20px auto;padding:14px}.exam-diagram svg{width:100%;height:auto;max-height:360px;display:block}.exam-diagram figcaption{color:#555;font-size:.8rem}.exam-diagram table{border-collapse:collapse;margin:10px auto;font-size:.8rem}.exam-diagram td,.exam-diagram th{border:1px solid #aaa;padding:5px 10px}details{padding:12px 0}summary{cursor:pointer;font-weight:600;line-height:1.6}details>p:first-of-type{margin-top:14px}footer{color:var(--muted);text-align:center;max-width:750px;margin:34px auto 10px;font-size:.7rem;line-height:1.6}.auth-card{background:var(--panel);border:1px solid var(--border);border-radius:20px;max-width:530px;margin:7vh auto;padding:35px}.auth-card form{margin:22px 0}.auth-card form>button{width:100%;margin-top:20px}.auth-card>.button-row button{font-size:.8rem}.calculator-toggle{z-index:30;border-radius:50%;width:54px;height:54px;position:fixed;bottom:22px;right:22px;box-shadow:0 5px 20px #0003}.calculator{z-index:60;width:300px;max-width:calc(100vw - 24px);padding:18px;position:fixed;bottom:20px;right:20px;box-shadow:0 12px 50px #0004}.calculator-keys{grid-template-columns:repeat(4,1fr);gap:6px;margin-top:12px;display:grid}.calculator-keys button{padding:10px}.mobile-header{display:none}@media (width<=1100px){.sidebar{width:218px;padding:25px 16px}.main-content{margin-left:218px;padding:30px 24px}.hero-panel{padding:28px}.art-sheet{width:170px;height:200px}.art-orbit{width:210px;height:230px}.two-columns{grid-template-columns:1fr}.setup-grid{gap:24px}.setup-grid>div:first-child{padding-right:24px}.topic-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=760px){.mobile-header{background:var(--panel);border-bottom:1px solid var(--border);z-index:45;justify-content:space-between;align-items:center;padding:12px 18px;font-weight:800;display:flex;position:sticky;top:0}.sidebar{width:min(300px,90vw);display:none;top:69px;bottom:0;overflow:auto;box-shadow:10px 0 30px #0002}.sidebar.is-open{display:flex}.brand{margin-bottom:22px}.main-content{margin-left:0;padding:24px 16px}.page-stack{gap:20px}.dashboard-heading{align-items:flex-start}.dashboard-heading>.badge{display:none}.hero-panel{grid-template-columns:1fr;padding:27px}.hero-art{display:none}.hero-panel h2{font-size:2.2rem}.panel{padding:21px}.setup-grid{grid-template-columns:1fr}.setup-grid>div:first-child{border-right:0;border-bottom:1px solid var(--border);padding:0 0 24px}.topic-grid{grid-template-columns:1fr 1fr}.subject-tabs{width:100%}.subject-tabs button,.subject-tabs a{text-align:center;flex:1;padding:10px 13px}.stat{padding:19px}.stat svg{display:none}.activity-row{align-items:flex-start}.button-row input,.button-row select{max-width:100%}.session-header{align-items:flex-start}.session-header .badge{max-width:130px}.question-card{padding:22px}.question-card h2{font-size:1.17rem}.question-card .button-row button{flex-grow:1}.sticky-actions{flex-wrap:wrap;margin-right:48px;padding:10px;bottom:8px}.sticky-actions button{font-size:.8rem}.auth-card{margin:25px 14px;padding:27px}.exam-diagram{margin:16px 0;padding:6px}.calculator-toggle{bottom:16px;right:12px}.reading p{padding-left:20px}.topic-grid .topic{font-size:.8rem}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
