@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap');
:root{color:#17253d;background:#f4f6f9;font-family:'DM Sans',sans-serif;font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px}.site-header{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:10px clamp(16px,4vw,56px);background:rgba(244,246,249,.95);border-bottom:1px solid #dfe4ec;backdrop-filter:blur(12px)}.brand{display:inline-flex;align-items:center;gap:8px;color:#17253d;font-family:'Space Grotesk',sans-serif;font-size:.98rem;font-weight:700;text-decoration:none;white-space:nowrap}.brand-mark{display:grid;width:26px;height:26px;place-items:center;color:#17253d;background:#f4b942;border-radius:8px;font-size:.9rem}.section-nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:3px 12px}.section-nav a,.admin-link{color:#647087;font-size:.7rem;text-decoration:none}.section-nav a:hover,.admin-link:hover{color:#17253d}.page-shell{width:min(1100px,calc(100% - 28px));margin:12px auto 24px}.section-card{position:relative;margin-top:8px;padding:13px clamp(14px,2.5vw,24px);overflow:hidden;background:#fff;border:1px solid #e1e6ee;border-radius:13px;box-shadow:0 6px 18px rgba(23,37,61,.04);transition:transform .2s ease,box-shadow .2s ease}.section-card:hover{transform:translateY(-1px);box-shadow:0 9px 22px rgba(23,37,61,.07)}.section-number{margin:0 0 4px;color:#c28b20;font-family:'Space Grotesk',sans-serif;font-size:.6rem;font-weight:700;letter-spacing:.16em}h1,h2,h3{margin:0;font-family:'Space Grotesk',sans-serif}h1,h2{color:#17253d;font-size:clamp(1.02rem,2.1vw,1.35rem);letter-spacing:-.035em}h3{color:#17253d;font-size:.94rem}.section-heading-row,.admin-title-row{display:flex;align-items:center;justify-content:space-between;gap:16px}.paid-card{padding-bottom:13px}.paid-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:13px}.test-track{padding:13px;background:#f8fafc;border:1px solid #e7ebf1;border-radius:11px}ul{margin:10px 0 0;padding:0;list-style:none}li{padding:6px 0;color:#647087;border-top:1px solid #e5e9ef;font-size:.86rem}li:first-child{border-top:0;padding-top:0}.hidden{display:none!important}.lock-message{margin:6px 0 0;color:#8b96a8;font-size:.74rem}.open-paid,.primary-button,.secondary-button{border:0;border-radius:8px;padding:7px 11px;font:600 .72rem 'DM Sans',sans-serif;cursor:pointer}.open-paid,.primary-button{color:#17253d;background:#f4b942}.secondary-button{color:#17253d;background:#e9edf3}.open-paid:hover,.primary-button:hover{background:#eab033}.aggregate-card{padding-bottom:16px}.calculator-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:13px}.calculator{padding:13px;background:#f8fafc;border:1px solid #e7ebf1;border-radius:11px}.mark-row{display:grid;grid-template-columns:minmax(120px,1fr) 82px 82px;align-items:center;gap:6px;margin-top:8px}.mark-row span{color:#647087;font-size:.72rem;line-height:1.15}.mark-row b{display:block;color:#c28b20;font-size:.62rem}.mark-row input{width:100%;padding:7px;border:1px solid #dfe4ec;border-radius:7px;color:#17253d;background:#fff;font:.72rem 'DM Sans',sans-serif}.mark-row input[readonly]{background:#eef1f5;color:#647087}.calculator .primary-button{margin-top:11px}.calculator-result{display:block;min-height:15px;margin-top:8px;color:#17253d;font-size:.76rem;font-weight:700}.calculator-result.has-error{color:#ba3a3a}.login-dialog{padding:0;border:0;background:transparent}.login-dialog::backdrop{background:rgba(23,37,61,.45)}.login-card,.admin-card{background:#fff;border:1px solid #e1e6ee;border-radius:16px;box-shadow:0 20px 55px rgba(23,37,61,.18)}.login-card{position:relative;width:min(380px,calc(100vw - 32px));padding:28px}.dialog-close{position:absolute;top:10px;right:12px;border:0;background:transparent;color:#647087;font-size:1.4rem;cursor:pointer}.login-card h2{margin-bottom:20px}.login-card label,.admin-form label{display:block;margin-top:14px;color:#647087;font-size:.78rem}.login-card input,.admin-form input,.add-user-form input{display:block;width:100%;margin-top:6px;padding:10px 11px;border:1px solid #dfe4ec;border-radius:8px;color:#17253d;background:#fbfcfe;font:inherit}.primary-button{margin-top:18px}.form-error{min-height:16px;margin:9px 0 0;color:#ba3a3a;font-size:.78rem}.admin-shell{width:min(760px,calc(100% - 28px));margin:34px auto}.admin-card{padding:26px}.admin-form{max-width:360px;margin-top:20px}.add-user-form{display:grid;grid-template-columns:1fr 1fr auto;gap:10px;margin-top:22px}.add-user-form input{margin:0}.add-user-form .primary-button{margin:0}.user-list{margin-top:20px}.user-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-top:1px solid #e5e9ef;color:#647087}.delete-user,.delete-resource{border:0;color:#ba3a3a;background:transparent;cursor:pointer;font:600 .75rem 'DM Sans',sans-serif}.paper-card details,.aggregate-card details,.about-card details{width:100%}.paper-card summary,.aggregate-card summary,.about-card summary{display:flex;align-items:center;justify-content:space-between;cursor:pointer;list-style:none}.paper-card summary::-webkit-details-marker,.aggregate-card summary::-webkit-details-marker,.about-card summary::-webkit-details-marker{display:none}.paper-card summary>span:first-child,.aggregate-card summary>span:first-child,.about-card summary>span:first-child{display:block}.summary-mark{color:#c28b20;font-size:1.3rem;font-weight:500}.paper-card details[open] .summary-mark,.aggregate-card details[open] .summary-mark,.about-card details[open] .summary-mark{transform:rotate(45deg)}.paper-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:14px}.paper-groups h3{margin-bottom:8px;font-size:.82rem}.paper-list{display:grid;gap:5px}.paper-link{display:block;padding:8px 10px;border:1px solid #e5e9ef;border-radius:8px;color:#647087;background:#fbfcfe;font-size:.78rem;text-decoration:none}.paper-link:hover{color:#17253d;border-color:#f4b942;background:#fff}.about-content{margin-top:14px}.about-content h3{font-size:.9rem;line-height:1.35}.eligibility-list{display:grid;gap:7px;margin-top:12px}.eligibility-list p{margin:0;color:#647087;font-size:.78rem;line-height:1.4}.eligibility-list b{color:#17253d}.seat-badges{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:12px}.seat-badge{display:flex;align-items:center;gap:10px;padding:10px 12px;background:#fff7e4;border:1px solid #f4d58b;border-radius:10px}.seat-badge strong{color:#c28b20;font:700 1.35rem 'Space Grotesk',sans-serif}.seat-badge span{color:#647087;font-size:.75rem}.video-card{display:grid;grid-template-columns:150px 1fr;gap:14px;align-items:center;margin-top:14px;padding:12px;background:#f8fafc;border:1px solid #e7ebf1;border-radius:11px}.video-card iframe{width:100%;height:150px;border:0;border-radius:8px}.registration-note{margin:9px 0 0;color:#647087;font-size:.75rem;line-height:1.35}.registration-note a{color:#b0780e;font-weight:700}.content-admin-card{margin-top:14px}.resource-form{display:grid;grid-template-columns:1fr 1.5fr 1fr auto;gap:8px;margin-top:18px}.resource-form input,.resource-form select{width:100%;padding:9px 10px;border:1px solid #dfe4ec;border-radius:8px;color:#17253d;background:#fbfcfe;font:.78rem 'DM Sans',sans-serif}.resource-form .primary-button{margin:0}.resource-list small{display:block;color:#8b96a8;font-size:.68rem;margin-top:2px}.admin-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.admin-actions .secondary-button{font-size:.68rem}.admin-actions #install-app-button{display:inline-flex}.admin-action-status{color:#647087;font-size:.75rem}.paid-actions{display:flex;align-items:center;gap:8px}.whatsapp-button{display:grid;width:30px;height:30px;place-items:center;color:#fff;background:#25d366;border-radius:50%;transition:transform .2s ease,background .2s ease}.whatsapp-button:hover{background:#1fb257;transform:scale(1.06)}.whatsapp-button svg{width:18px;height:18px;fill:currentColor}@media(max-width:760px){.site-header{align-items:flex-start;flex-direction:column;gap:8px}.section-nav{justify-content:flex-start}.page-shell{margin-top:10px}.paid-grid,.calculator-grid,.paper-groups{grid-template-columns:1fr}.mark-row{grid-template-columns:minmax(120px,1fr) 76px 76px}.add-user-form,.resource-form{grid-template-columns:1fr}.add-user-form .primary-button,.resource-form .primary-button{width:max-content}.admin-title-row{align-items:flex-start}.admin-actions{align-items:flex-start}.video-card{grid-template-columns:1fr}.video-card iframe{height:190px}.seat-badges{grid-template-columns:1fr}.paid-actions{gap:6px}.whatsapp-button{width:28px;height:28px}.whatsapp-button svg{width:17px;height:17px}}
.test-choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:13px}.test-choice{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px;border:1px solid #e5e9ef;border-radius:10px;color:#17253d;background:#f8fafc;cursor:pointer;font:600 .8rem 'DM Sans',sans-serif;text-align:left}.test-choice:hover{border-color:#f4b942;background:#fff}.test-choice small,.paid-test-button small{display:block;color:#8b96a8;font-size:.68rem;font-weight:500}.paid-test-button{display:flex;width:100%;align-items:center;justify-content:space-between;border:0;background:transparent;color:#647087;cursor:pointer;font:inherit;text-align:left}.paid-test-button:hover{color:#17253d}.test-dialog{padding:0;border:0;background:transparent}.test-dialog::backdrop{background:rgba(23,37,61,.55)}.test-runner{width:min(720px,calc(100vw - 28px));min-height:260px;padding:22px;background:#fff;border:1px solid #e1e6ee;border-radius:16px;box-shadow:0 20px 55px rgba(23,37,61,.18)}.test-runner-head{display:flex;align-items:center;justify-content:space-between}.timer{margin:24px auto;width:max-content;padding:12px 20px;border-radius:10px;color:#17253d;background:#fff7e4;border:1px solid #f4d58b;font:700 2rem 'Space Grotesk',sans-serif}@media(max-width:760px){.test-choice-grid{grid-template-columns:1fr}}
.mcq-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:18px}.mcq-form select,.mcq-form input,.mcq-form textarea,.json-import-label input,.admin-card>select{width:100%;padding:9px 10px;border:1px solid #dfe4ec;border-radius:8px;color:#17253d;background:#fbfcfe;font:.78rem 'DM Sans',sans-serif}.mcq-form textarea{grid-column:1/-1;min-height:70px;resize:vertical}.mcq-form .primary-button{margin:0}.json-import-label{display:block;margin-top:16px;color:#647087;font-size:.78rem}.json-import-label input{display:block;margin-top:6px}.admin-card>.mcq-list{margin-top:12px}.mcq-list small{display:block;color:#8b96a8;font-size:.68rem;line-height:1.35;margin-top:3px}@media(max-width:760px){.mcq-form{grid-template-columns:1fr}.mcq-form textarea{grid-column:auto}}
.lecture-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;margin-top:13px}.lecture-link{display:block;padding:9px 10px;border:1px solid #e5e9ef;border-radius:8px;color:#647087;background:#fbfcfe;font-size:.78rem;text-decoration:none}.lecture-link:hover{color:#17253d;border-color:#f4b942;background:#fff}.question-card{margin:12px 0;padding:13px;border:1px solid #e5e9ef;border-radius:10px;background:#fbfcfe}.question-card legend{padding:0 4px;color:#17253d;font-size:.86rem;font-weight:700}.answer-option{display:flex;gap:8px;align-items:flex-start;margin-top:8px;padding:8px;border-radius:7px;color:#647087;font-size:.8rem;cursor:pointer}.answer-option:hover{background:#f4f6f9}.submit-test{margin-top:8px}.empty-test,.loading-test{color:#647087;font-size:.8rem}.result-card{margin:18px auto;padding:24px;text-align:center;max-width:360px;border:2px solid #f4b942;border-radius:14px;background:#fffdf7}.result-brand{margin:0;color:#17253d;font:700 1.1rem 'Space Grotesk',sans-serif}.result-card h3{margin-top:14px}.result-test-name,.result-note{color:#647087;font-size:.8rem}.result-score{margin-top:12px;color:#17253d;font:700 2.1rem 'Space Grotesk',sans-serif}.result-percent{margin:4px 0;color:#c28b20;font:700 1.3rem 'Space Grotesk',sans-serif}.mcq-protected .question-card{user-select:none;-webkit-user-select:none}.capture-blocked{filter:blur(14px)!important}.mcq-actions{display:flex;gap:8px;white-space:nowrap}.edit-mcq{border:0;color:#b0780e;background:transparent;cursor:pointer;font:600 .75rem 'DM Sans',sans-serif}@media(max-width:760px){.lecture-list{grid-template-columns:1fr}.mcq-actions{align-self:flex-start;flex-direction:column;gap:2px}}
.news-list{display:grid;gap:8px;margin-top:13px}.news-item{display:flex;align-items:center;gap:10px;padding:10px;border:1px solid #e5e9ef;border-radius:9px;background:#fbfcfe}.news-item p{margin:0;color:#647087;font-size:.8rem;line-height:1.35}.news-item img{width:52px;height:52px;object-fit:cover;border-radius:7px}.whatsapp-group-button{display:inline-flex;margin-top:12px;padding:9px 12px;border-radius:8px;color:#fff;background:#25d366;font:600 .76rem 'DM Sans',sans-serif;text-decoration:none}.whatsapp-group-button:hover{background:#1fb257}.news-form{display:grid;gap:8px;margin-top:18px}.news-form textarea,.news-form input{width:100%;padding:9px 10px;border:1px solid #dfe4ec;border-radius:8px;color:#17253d;background:#fbfcfe;font:.78rem 'DM Sans',sans-serif}.news-form textarea{min-height:70px;resize:vertical}.news-form .primary-button{width:max-content;margin:0}
#news-updates details,#previous-maths-lecturers details{width:100%}#news-updates summary,#previous-maths-lecturers summary{display:flex;align-items:center;justify-content:space-between;cursor:pointer;list-style:none}#news-updates summary::-webkit-details-marker,#previous-maths-lecturers summary::-webkit-details-marker{display:none}#news-updates details[open] .summary-mark,#previous-maths-lecturers details[open] .summary-mark{transform:rotate(45deg)}#news-updates .news-list,#previous-maths-lecturers .lecture-list{margin-top:14px}#news-updates .news-item{box-shadow:0 3px 10px rgba(23,37,61,.03)}#news-updates .news-item:hover,#previous-maths-lecturers .lecture-link:hover{transform:translateY(-1px);box-shadow:0 5px 12px rgba(23,37,61,.06)}#previous-maths-lecturers .lecture-list{grid-template-columns:repeat(2,minmax(0,1fr))}#previous-maths-lecturers .lecture-link{transition:transform .2s ease,box-shadow .2s ease}@media(max-width:760px){#previous-maths-lecturers .lecture-list{grid-template-columns:1fr}}
.back-button{display:none;margin:0 0 10px;border:0;border-radius:8px;padding:8px 11px;color:#17253d;background:#e9edf3;font:600 .72rem 'DM Sans',sans-serif;cursor:pointer}.back-button:hover{background:#dfe5ed}.page-shell:not(.subsection-mode) .section-card details> :not(summary),.page-shell:not(.subsection-mode) .paid-card> :not(.section-heading-row){display:none}.page-shell.subsection-mode .back-button{display:inline-flex}.page-shell.subsection-mode .section-card:not(.active-subsection){display:none}.page-shell.subsection-mode .active-subsection details> :not(summary),.page-shell.subsection-mode .active-subsection.paid-card> :not(.section-heading-row){display:revert}.page-shell.subsection-mode .active-subsection .section-heading-row{cursor:pointer}.page-shell.subsection-mode .active-subsection .section-heading-row+.lock-message{display:block}.page-shell:not(.subsection-mode) .section-card{cursor:pointer}.page-shell:not(.subsection-mode) .section-card .section-heading-row{cursor:pointer}
.brand-block{display:flex;flex-direction:column;gap:2px}.brand-subtitle{padding-left:34px;color:#8b96a8;font-size:.68rem;letter-spacing:.02em}.site-header{padding-top:14px;padding-bottom:14px;background:rgba(255,255,255,.94)}.page-shell:not(.subsection-mode){display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;width:min(980px,calc(100% - 28px));margin-top:24px}.page-shell:not(.subsection-mode) .section-card{margin-top:0;min-height:84px;display:flex;align-items:center;padding:16px 20px;background:linear-gradient(135deg,#fff 0%,#fbfcfe 100%);box-shadow:0 8px 24px rgba(23,37,61,.055)}.page-shell:not(.subsection-mode) .section-card:hover{border-color:#f0cc76;box-shadow:0 12px 28px rgba(23,37,61,.09)}.page-shell:not(.subsection-mode) .section-card details,.page-shell:not(.subsection-mode) .section-heading-row{width:100%}.page-shell:not(.subsection-mode) .section-card h1,.page-shell:not(.subsection-mode) .section-card h2{font-size:1.05rem}.page-shell.subsection-mode{width:min(900px,calc(100% - 28px));margin-top:18px}.page-shell.subsection-mode .active-subsection{margin-top:0}.page-shell.subsection-mode .back-button{box-shadow:0 4px 10px rgba(23,37,61,.06)}@media(max-width:760px){.page-shell:not(.subsection-mode){grid-template-columns:1fr;width:min(560px,calc(100% - 28px));margin-top:18px}.brand-subtitle{padding-left:34px}.page-shell:not(.subsection-mode) .section-card{min-height:74px}}
.page-shell:not(.subsection-mode) .section-card details > *:not(summary),.page-shell:not(.subsection-mode) .paid-card > *:not(.section-heading-row){display:none!important}.page-shell.subsection-mode .active-subsection details > *:not(summary){display:revert!important}.page-shell.subsection-mode .active-subsection.paid-card > *:not(.section-heading-row){display:revert!important}
.summary-mark{display:none!important}summary::-webkit-details-marker{display:none!important}summary::marker{content:'';font-size:0;color:transparent}
.brand-logo{display:block;width:164px;height:64px;object-fit:cover;object-position:center;border-radius:10px}.brand-block{gap:5px}.brand-subtitle{padding-left:0}@media(max-width:760px){.brand-logo{width:145px;height:56px}}
.brand-logo{width:78px;height:78px;aspect-ratio:1;border-radius:50%;object-fit:contain;object-position:center;background:#080d14;border:2px solid #d7ae58;box-shadow:0 5px 16px rgba(23,37,61,.18)}.dialog-close{display:grid;width:30px;height:30px;place-items:center;padding:0;border-radius:50%;line-height:1}.dialog-close:hover{color:#17253d;background:#eef1f5}@media(max-width:760px){.brand-logo{width:70px;height:70px}}
.admin-portal-link{color:#647087;text-decoration:none;font:600 .72rem 'DM Sans',sans-serif;padding:8px 11px;border:1px solid #dfe4ec;border-radius:8px;background:#fff}.admin-portal-link:hover{color:#17253d;border-color:#d7ae58;background:#fffdf7}@media(max-width:760px){.admin-portal-link{align-self:flex-start}}
.password-field{display:flex;align-items:stretch;gap:6px;margin-top:6px}.password-field input{margin-top:0!important;flex:1}.password-toggle{border:1px solid #dfe4ec;border-radius:8px;padding:0 10px;color:#647087;background:#eef1f5;font:600 .72rem 'DM Sans',sans-serif;cursor:pointer}.password-toggle:hover{color:#17253d;background:#e2e7ee}
.test-instructions{margin:22px 0 14px;padding:16px;border:1px solid #f4d58b;border-radius:11px;color:#647087;background:#fffdf7;font-size:.85rem;line-height:1.5}.test-instructions p{margin:0}.start-test{display:block;margin:0 auto 8px}.reasoning-label{margin-top:5px;color:#b0780e;font-size:.66rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.save-answer{margin-top:10px;border:1px solid #dfe4ec;border-radius:7px;padding:6px 9px;color:#17253d;background:#eef1f5;font:600 .7rem 'DM Sans',sans-serif;cursor:pointer}.save-answer:hover{background:#e2e7ee}.save-answer:disabled{color:#fff;background:#4d8b68;border-color:#4d8b68;cursor:default}.answer-saved{border-color:#b9d9c4;background:#fbfffc}.submit-test:disabled{opacity:.45;cursor:not-allowed}.result-breakdown{margin:14px auto 0;max-width:270px;text-align:left}.result-breakdown p{margin:7px 0;padding:8px 10px;border-radius:7px;background:#fff7e4;color:#647087;font-size:.78rem}.result-breakdown b{float:right;color:#17253d}.mcq-form select[name="category"]{grid-column:1/-1}
.reading-passage{margin:0 0 14px;padding:14px 16px;border-left:4px solid #d7ae58;border-radius:9px;background:#fffdf7;color:#4f5d70;line-height:1.55;font-size:.82rem}.reading-passage h3{margin:0 0 7px;color:#17253d;font-size:.82rem}.reading-passage p{margin:0}