:root{--navy:#10243f;--blue:#1e63d5;--blue-soft:#eaf2ff;--ink:#172033;--muted:#657086;--line:#dce2eb;--paper:#fff;--bg:#f3f6fa;--green:#16734a;--green-soft:#e8f7ef;--amber:#9b5c04;--amber-soft:#fff4dc;--red:#b42318;--red-soft:#fff0ee;--shadow:0 14px 40px rgba(20,39,70,.08)}
.year-filter-label{display:block;margin:17px 8px 5px;color:var(--muted);font-size:.78rem;font-weight:700}.year-filter{width:calc(100% - 16px);margin:0 8px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--navy);padding:9px 10px;font:inherit;font-weight:700}.question-source{display:block;margin:3px 0 8px;color:var(--muted);font-size:.82rem}.question-image{display:block;max-width:min(100%,640px);max-height:390px;object-fit:contain;margin:16px auto 20px;border:1px solid var(--line);border-radius:10px;background:#fff}.feedback-note{color:var(--muted)}.other-points{margin-top:18px;padding:16px 18px;background:rgba(255,255,255,.68);border:1px solid rgba(30,55,80,.15);border-radius:10px}.other-points>strong{display:block;color:var(--navy);margin-bottom:7px}.other-points ul{columns:2;column-gap:30px}.other-points li{break-inside:avoid;margin-bottom:4px}
*{box-sizing:border-box}html{font-size:16px}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.55}.topbar{min-height:78px;background:var(--navy);color:#fff;display:flex;align-items:center;gap:32px;padding:13px clamp(20px,4vw,64px)}.brand{color:#fff;text-decoration:none;display:flex;align-items:center;gap:12px;margin-right:auto}.brand-mark{display:grid;place-items:center;width:46px;height:46px;border:2px solid #8eb7ff;border-radius:12px;color:#aecdff;font-weight:800}.brand strong,.brand small{display:block;line-height:1.15}.brand strong{font-size:1.05rem}.brand small{color:#b8c9dd}.overall-progress{width:min(280px,30vw)}.overall-progress>div:first-child{display:flex;justify-content:space-between;font-size:.84rem;color:#c7d4e4;margin-bottom:5px}.overall-progress strong{color:#fff}.progress-track{height:7px;background:#31445d;border-radius:20px;overflow:hidden}.progress-track span{display:block;width:0;height:100%;background:#69a0ff;transition:width .35s ease}.ghost-button{border:1px solid #61738b;background:transparent;color:#fff;border-radius:9px;padding:10px 14px;font:inherit;cursor:pointer}main{width:min(1240px,calc(100% - 36px));margin:0 auto 50px}.intro{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:42px 4px 30px}.eyebrow{margin:0 0 6px;color:var(--blue);font-weight:800;letter-spacing:.13em;font-size:.78rem}.intro h1{margin:0;font-family:Georgia,serif;font-size:clamp(2rem,4vw,3.25rem);line-height:1.08;letter-spacing:-.03em;color:var(--navy)}.intro p:not(.eyebrow){margin:12px 0 0;color:var(--muted);font-size:1.05rem}.score-card{min-width:210px;background:var(--paper);border:1px solid var(--line);border-top:4px solid var(--blue);border-radius:12px;padding:16px 20px;box-shadow:var(--shadow)}.score-card span,.score-card small{display:block;color:var(--muted)}.score-card strong{font-size:1.65rem;color:var(--navy)}.section-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px}.section-tab{display:flex;gap:14px;text-align:left;padding:17px;background:#e9edf3;color:var(--muted);border:1px solid transparent;border-radius:12px;cursor:pointer;font:inherit}.section-tab>span:first-child{font-size:.78rem;font-weight:800;padding-top:3px}.section-tab strong,.section-tab small{display:block}.section-tab strong{color:var(--ink)}.section-tab small{font-size:.78rem;margin-top:2px}.section-tab.active{background:var(--navy);color:#8fb6ef;box-shadow:var(--shadow)}.section-tab.active strong{color:#fff}.section-tab.active small{color:#bdcce0}.workspace{display:grid;grid-template-columns:270px 1fr;background:var(--paper);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);min-height:590px}.question-nav{background:#f8fafc;border-right:1px solid var(--line);padding:25px 18px}.nav-heading{padding:0 8px 18px;border-bottom:1px solid var(--line)}.nav-heading span,.nav-heading strong{display:block}.nav-heading span{font-size:.75rem;letter-spacing:.1em;color:var(--blue);font-weight:800}.nav-heading strong{margin-top:3px;font-size:1.05rem}.question-list{display:grid;gap:7px;padding:18px 0}.question-link{width:100%;display:flex;align-items:center;gap:12px;border:0;background:transparent;border-radius:9px;padding:11px 10px;font:inherit;color:var(--muted);cursor:pointer;text-align:left}.question-link b{display:grid;place-items:center;width:28px;height:28px;border:1px solid var(--line);border-radius:8px;font-size:.8rem;background:#fff}.question-link.active{background:var(--blue-soft);color:var(--blue);font-weight:700}.question-link.active b{background:var(--blue);color:#fff;border-color:var(--blue)}.question-link.done b{background:var(--green);color:#fff;border-color:var(--green)}.question-link em{margin-left:auto;font-style:normal;font-size:.72rem}.legend{border-top:1px solid var(--line);padding:18px 8px;display:grid;gap:8px;color:var(--muted);font-size:.78rem}.dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:7px}.dot.complete{background:var(--green)}.dot.current{background:var(--blue)}.question-panel{padding:clamp(26px,5vw,58px);display:flex;flex-direction:column}.question-meta{display:flex;justify-content:space-between;color:var(--blue);font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;font-weight:800}.question-meta span:last-child{color:var(--muted)}.question-panel h2{font-family:Georgia,serif;color:var(--navy);font-size:clamp(1.35rem,2.5vw,1.8rem);line-height:1.35;margin:22px 0 8px}.context{color:var(--muted);margin:0 0 22px}.options{display:grid;gap:11px;margin:22px 0}.option{display:flex;align-items:flex-start;gap:13px;border:1px solid var(--line);border-radius:11px;padding:15px 16px;cursor:pointer;transition:.15s;background:#fff}.option:hover{border-color:#91b4ee;background:#f8fbff}.option:has(input:checked){border-color:var(--blue);background:var(--blue-soft)}.option input{margin-top:4px;accent-color:var(--blue)}textarea{width:100%;min-height:180px;border:1px solid #b8c2d1;border-radius:11px;padding:16px;font:inherit;line-height:1.55;resize:vertical;color:var(--ink)}textarea:focus{outline:3px solid #b9d2fa;border-color:var(--blue)}.response-tools{display:flex;justify-content:space-between;color:var(--muted);font-size:.8rem;margin-top:6px}.form-actions{display:flex;gap:10px;margin-top:20px}.primary-button,.secondary-button,.danger-button,.text-button{font:inherit;font-weight:700;border-radius:9px;padding:11px 17px;cursor:pointer}.primary-button{border:1px solid var(--blue);background:var(--blue);color:#fff}.primary-button:hover{background:#174fa9}.secondary-button{border:1px solid #aeb8c7;background:#fff;color:var(--navy)}.danger-button{border:1px solid var(--red);background:var(--red);color:#fff}.text-button{border:0;background:transparent;color:var(--muted)}button:focus-visible,input:focus-visible,.option:focus-within{outline:3px solid #91b9fa;outline-offset:2px}.feedback{margin-top:25px;border-radius:12px;padding:20px;border-left:5px solid}.feedback.correct{background:var(--green-soft);border-color:var(--green)}.feedback.partial{background:var(--amber-soft);border-color:#d68b16}.feedback.incorrect{background:var(--red-soft);border-color:var(--red)}.feedback-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.feedback h3{margin:0;color:var(--navy);font-size:1.05rem}.mark-pill{white-space:nowrap;border-radius:20px;background:#fff;padding:5px 10px;font-weight:800;font-size:.8rem}.feedback p{margin:10px 0 0}.feedback ul{margin:10px 0 0;padding-left:22px}.model-answer{margin-top:16px;padding-top:15px;border-top:1px solid rgba(30,55,80,.18)}.model-answer strong{display:block;margin-bottom:5px}.question-actions{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:35px}.hidden{display:none!important}dialog{border:0;border-radius:14px;padding:0;box-shadow:0 25px 70px rgba(0,0,0,.25);max-width:440px}dialog::backdrop{background:rgba(8,20,38,.65)}dialog form{padding:28px}dialog h2{margin:0;color:var(--navy);font-family:Georgia,serif}dialog p{color:var(--muted)}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}
@media(max-width:780px){.topbar{padding:12px 18px}.overall-progress{display:none}.ghost-button{font-size:.8rem}.intro{align-items:flex-start;padding-top:28px}.score-card{display:none}.section-tabs{grid-template-columns:1fr}.section-tab{padding:12px 14px}.workspace{grid-template-columns:1fr}.question-nav{border-right:0;border-bottom:1px solid var(--line);padding:14px}.nav-heading,.legend{display:none}.year-filter-label{display:inline-block;margin:0 6px 8px 0}.year-filter{width:auto;margin:0 0 8px}.question-list{display:flex;overflow-x:auto;padding:0}.question-link{width:auto;min-width:max-content}.question-link span{display:none}.question-panel{min-height:560px}.question-actions{gap:8px}.question-actions .primary-button{padding-inline:12px}}
@media(max-width:460px){main{width:min(100% - 20px,1240px)}.brand small{display:none}.intro h1{font-size:1.85rem}.question-panel{padding:24px 18px}.question-meta{font-size:.72rem}.form-actions{flex-direction:column}.form-actions button{width:100%}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media(max-width:600px){.other-points ul{columns:1}}
.revision-button.active{background:#fff;color:var(--navy);border-color:#fff}.revision-panel{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:clamp(24px,4vw,46px);box-shadow:var(--shadow)}.revision-heading{display:flex;justify-content:space-between;gap:30px;align-items:flex-start;border-bottom:1px solid var(--line);padding-bottom:24px}.revision-heading h2{margin:0;color:var(--navy);font:700 clamp(1.7rem,3vw,2.4rem)/1.15 Georgia,serif}.revision-heading>div>p:last-child{margin:8px 0 0;color:var(--muted)}.revision-stats{display:flex;gap:10px}.revision-stats span{min-width:105px;padding:12px 14px;background:#f4f7fb;border:1px solid var(--line);border-radius:10px;color:var(--muted);font-size:.78rem}.revision-stats b{display:block;color:var(--navy);font-size:1.35rem}.revision-actions{display:flex;align-items:center;gap:14px;margin:22px 0}.revision-actions span{color:var(--muted);font-size:.86rem}.revision-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.revision-card{border:1px solid var(--line);border-top:4px solid var(--blue);border-radius:12px;padding:18px;background:#fff}.revision-card.priority-high{border-top-color:var(--red)}.revision-card.priority-medium{border-top-color:#d68b16}.revision-card.priority-low{border-top-color:var(--blue)}.revision-card-head{display:flex;justify-content:space-between;gap:12px}.revision-card-head h3{margin:3px 0 0;color:var(--navy);font-size:1.05rem}.revision-card-head>strong{white-space:nowrap;color:var(--muted);font-size:.8rem}.priority-label{font-size:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--blue)}.priority-high .priority-label{color:var(--red)}.priority-medium .priority-label{color:var(--amber)}.revision-card>p{color:var(--muted);font-size:.88rem}.revision-question-list{display:grid;gap:6px;margin-top:14px}.revision-question-list button{display:flex;justify-content:space-between;gap:12px;border:1px solid var(--line);border-radius:8px;background:#f8fafc;padding:9px 10px;color:var(--navy);font:inherit;font-size:.84rem;text-align:left;cursor:pointer}.revision-question-list button:hover{border-color:var(--blue);background:var(--blue-soft)}.revision-question-list b{color:var(--red);white-space:nowrap}.revision-empty{text-align:center;padding:60px 20px}.revision-empty h3{margin:0;color:var(--navy)}.revision-empty p{max-width:620px;margin:8px auto;color:var(--muted)}
@media(max-width:850px){.revision-heading{display:block}.revision-stats{margin-top:18px}.revision-grid{grid-template-columns:1fr}}
@media(max-width:620px){.revision-button{order:4}.topbar{flex-wrap:wrap}.revision-heading{padding-bottom:18px}.revision-stats{display:grid;grid-template-columns:repeat(3,1fr)}.revision-stats span{min-width:0;padding:9px}.revision-actions{align-items:flex-start;flex-direction:column}}
.mode-picker{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px}.mode-card{display:grid;grid-template-columns:auto 1fr;gap:2px 12px;text-align:left;padding:16px 18px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--muted);font:inherit;cursor:pointer}.mode-card>span{grid-row:1/3;color:var(--blue);font-size:.78rem;font-weight:800;padding-top:3px}.mode-card strong{color:var(--navy);font-size:1rem}.mode-card small{line-height:1.35}.mode-card:hover,.mode-card.active{border-color:var(--blue);background:var(--blue-soft)}.mode-card.exam-mode.active{background:var(--navy);border-color:var(--navy)}.mode-card.exam-mode.active strong{color:#fff}.mode-card.exam-mode.active small{color:#c6d4e7}.session-bar{display:flex;align-items:center;gap:18px;margin-bottom:14px;padding:13px 17px;background:var(--navy);color:#fff;border-radius:12px}.session-bar>div:first-child{margin-right:auto}.session-bar span,.session-bar strong{display:block}.session-bar>div:first-child span{color:#8eb7ff;font-size:.7rem;font-weight:800;letter-spacing:.09em}.session-timer{text-align:right;min-width:100px}.session-timer span{color:#b8c9dd;font-size:.72rem}.session-timer strong{font-size:1.35rem;font-variant-numeric:tabular-nums}.session-bar .text-button{color:#c6d4e7}.feedback.saved{background:var(--blue-soft);border-color:var(--blue)}.setup-grid{display:grid;gap:13px;margin-top:18px}.setup-grid label{display:grid;grid-template-columns:1fr 110px;align-items:center;gap:15px;color:var(--navy);font-weight:700}.setup-grid input,.setup-grid select{width:100%;border:1px solid var(--line);border-radius:8px;padding:9px;font:inherit;background:#fff}.exam-rules{color:var(--muted);padding-left:22px}.results-hero{padding-bottom:24px;border-bottom:1px solid var(--line)}.results-hero h2{margin:0;color:var(--navy);font:700 clamp(1.7rem,3vw,2.5rem)/1.15 Georgia,serif}.result-section-scores{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.result-section-scores span{padding:10px 14px;border:1px solid var(--line);border-radius:9px;background:#f6f8fb}.result-section-scores b{display:block;color:var(--navy);font-size:.8rem}.result-revision{margin:22px 0;padding:18px;background:var(--amber-soft);border-radius:11px}.result-revision h3{margin:0 0 10px;color:var(--navy)}.result-revision div+div{margin-top:10px}.result-revision p{margin:2px 0;color:var(--muted)}.result-review>h3{color:var(--navy)}.result-review details{border:1px solid var(--line);border-radius:9px;background:#fff;margin:8px 0}.result-review summary{display:flex;justify-content:space-between;gap:15px;padding:13px 15px;cursor:pointer;font-weight:700;color:var(--navy)}.result-review summary b{white-space:nowrap}.result-answer{padding:0 17px 18px;border-top:1px solid var(--line)}.results-actions{display:flex;gap:10px;margin-top:22px}
@media(max-width:780px){.mode-picker{grid-template-columns:1fr}.session-bar{flex-wrap:wrap}.session-bar>div:first-child{width:100%}.session-timer{text-align:left;margin-right:auto}.setup-grid label{grid-template-columns:1fr}.result-section-scores{display:grid;grid-template-columns:repeat(3,1fr)}.results-actions{flex-direction:column}}
.session-bar.urgent{background:#7f1d1d}.session-bar.urgent .session-timer strong{color:#fff3b0}
body{background:linear-gradient(145deg,#f7fbff 0%,#edf8ff 55%,#fff 100%)}.topbar{background:rgba(255,255,255,.96);color:var(--navy);border-bottom:1px solid #e1ebf5;box-shadow:0 5px 20px rgba(25,75,130,.06)}.brand{color:var(--navy)}.brand-mark{border:0;background:linear-gradient(145deg,#087ef3,#1f63d7);color:#fff}.brand small{color:#6b7f9e;letter-spacing:.12em;text-transform:uppercase}.top-navigation{display:flex;align-items:stretch;gap:8px;height:52px}.top-nav-link{position:relative;border:0;background:transparent;color:#5b6e8c;padding:0 15px;font:inherit;font-weight:700;cursor:pointer}.top-nav-link.active{color:#0b63d8}.top-nav-link.active:after{content:"";position:absolute;left:12px;right:12px;bottom:-13px;height:3px;border-radius:3px;background:#1687f8}.topbar .overall-progress>div:first-child{color:#60738f}.topbar .overall-progress strong{color:var(--navy)}.topbar .progress-track{background:#e0eaf5}.topbar .ghost-button{border-color:#c8d7e7;color:var(--navy);background:#fff}
#homeDashboard{display:grid;grid-template-columns:390px 1fr;gap:26px 28px;padding-top:40px}.dashboard-intro{display:block;padding:5px 12px 0}.dashboard-intro h1{font-family:Inter,ui-sans-serif,system-ui,sans-serif;font-size:clamp(2.55rem,4vw,4.1rem);font-weight:850;letter-spacing:-.055em;line-height:1.06;color:#0b2c60}.dashboard-intro p:not(.eyebrow){font-size:1.08rem;max-width:360px}.dashboard-intro .score-card{display:none}.dashboard-intro blockquote{margin:45px 0 0;padding:20px 22px;border:1px solid #cfdeec;border-radius:14px;background:rgba(255,255,255,.65);color:#426083;font-size:1.05rem}.dashboard-intro blockquote:before{content:"“";color:#18c4c8;font-size:2.5rem;line-height:0;vertical-align:-.35em;margin-right:8px}.dashboard-intro blockquote small{margin-left:39px;color:#6b7f9e}.mode-picker{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:0}.mode-card{min-height:385px;display:flex;flex-direction:column;align-items:flex-start;position:relative;overflow:hidden;padding:28px;border:0;border-radius:20px;color:#fff;box-shadow:0 18px 35px rgba(21,76,138,.15)}.mode-card:after{content:"";position:absolute;width:190px;height:190px;border-radius:50%;right:-60px;top:-55px;background:rgba(255,255,255,.12)}.mode-card:hover{transform:translateY(-3px);background:inherit}.mode-card.bank-card{background:linear-gradient(155deg,#168cf8,#0762dc)}.mode-card.custom-card{background:linear-gradient(155deg,#29d4cb,#08aaae)}.mode-card.exam-card{background:linear-gradient(155deg,#ffd15c,#f5ad19);color:#10243f}.mode-icon{display:grid;place-items:center;width:92px;height:92px;margin:20px auto 30px;align-self:center;border-radius:24px;background:rgba(255,255,255,.24);font-size:3.7rem;line-height:1}.mode-tag{position:absolute;right:18px;top:18px;padding:7px 9px;border-radius:9px;background:rgba(0,43,104,.45);font-size:.66rem;font-weight:800;letter-spacing:.06em}.exam-card .mode-tag{background:rgba(117,73,0,.4)}.mode-card strong{color:inherit;font-size:1.55rem}.mode-card small{color:inherit;font-size:.95rem;margin-top:7px;line-height:1.45}.mode-card>b{width:100%;margin-top:auto;padding:11px;border-radius:22px;background:#fff;color:#0965d5;text-align:center;font-size:.9rem}.custom-card>b{color:#078e93}.exam-card>b{color:#7a4b00}.dashboard-panels{grid-column:1/-1;display:grid;grid-template-columns:1.1fr 1fr 1.05fr;gap:18px;margin-bottom:45px}.dashboard-card{min-height:330px;padding:20px;border:1px solid #dfebf5;border-radius:17px;background:rgba(255,255,255,.96);box-shadow:0 14px 35px rgba(25,75,130,.07)}.dashboard-title{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:18px}.dashboard-title h2{margin:0;color:#102c58;font-size:1.05rem}.dashboard-title button{border:0;background:transparent;color:#0877ed;font:inherit;font-size:.77rem;font-weight:700;cursor:pointer}.dashboard-title small{color:var(--muted)}.progress-rings{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;text-align:center}.progress-ring-item strong,.progress-ring-item small{display:block}.progress-ring-item small{color:#6b7f9e;font-size:.72rem}.progress-ring{display:grid;place-items:center;width:92px;height:92px;margin:0 auto 10px;border-radius:50%;background:conic-gradient(var(--ring) var(--progress),#e7eef5 0);position:relative}.progress-ring:after{content:"";position:absolute;inset:10px;border-radius:50%;background:#fff}.progress-ring span{position:relative;z-index:1;color:#0b2c60;font-size:1.25rem;font-weight:800}.encouragement{display:flex;align-items:center;gap:12px;margin-top:20px;padding:13px;background:#eef6fc;border-radius:11px}.encouragement span,.encouragement strong,.encouragement small{display:block}.encouragement small{color:#6b7f9e}.activity-list{display:grid}.activity-list>div{display:flex;align-items:center;gap:10px;padding:11px 2px;border-bottom:1px solid #edf1f5}.activity-icon{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:#e5f6ef;color:#158854;font-weight:800}.activity-list p{margin:0;min-width:0;flex:1}.activity-list p strong,.activity-list p small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.activity-list p small{color:#75869f}.activity-list>div>b{color:#49617f;font-size:.8rem}.weak-area-list>div{display:grid;grid-template-columns:minmax(120px,1fr) 1.3fr 40px;align-items:center;gap:10px;margin:14px 0;font-size:.8rem}.weak-area-list i{height:8px;border-radius:8px;background:#e9eef4;overflow:hidden}.weak-area-list i b{display:block;height:100%;border-radius:8px;background:#f6b526}.weak-area-list>div>strong{text-align:right}.weak-practice-button{width:100%;margin-top:22px;padding:15px;border:0;border-radius:12px;background:linear-gradient(135deg,#ffd05a,#f8b124);color:#173057;font:inherit;font-weight:800;cursor:pointer}.dashboard-empty{padding:40px 10px;text-align:center;color:#7a8ba2}
@media(max-width:1100px){#homeDashboard{grid-template-columns:1fr}.dashboard-intro{text-align:center}.dashboard-intro p:not(.eyebrow){margin-inline:auto}.dashboard-intro blockquote{display:none}.mode-picker{grid-template-columns:repeat(3,1fr)}.dashboard-panels{grid-template-columns:1fr 1fr}.weakness-dashboard{grid-column:1/-1}}
@media(max-width:780px){.top-navigation{order:4;width:100%;justify-content:center}.top-nav-link.active:after{bottom:0}.topbar .overall-progress{display:none}#homeDashboard{padding-top:24px}.mode-picker,.dashboard-panels{grid-template-columns:1fr}.mode-card{min-height:290px}.mode-icon{margin:5px auto 20px}.weakness-dashboard{grid-column:auto}.dashboard-intro h1{font-size:2.6rem}}
.topics-promo{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:24px;margin:-10px 0 45px;padding:25px 28px;border-radius:18px;background:linear-gradient(120deg,#0b2d60,#0c67c9);color:#fff;box-shadow:0 16px 34px rgba(11,45,96,.18)}.topics-promo span{font-size:.72rem;font-weight:800;letter-spacing:.12em;color:#78dce2}.topics-promo h2{margin:4px 0;font-size:1.5rem}.topics-promo p{margin:0;color:#c9dcee}.topics-promo button{border:0;border-radius:24px;background:#fff;color:#0b62c9;padding:13px 20px;font:inherit;font-weight:800;cursor:pointer;white-space:nowrap}.topics-panel{background:#fff;border:1px solid #dce8f3;border-radius:18px;overflow:hidden;box-shadow:0 16px 38px rgba(25,75,130,.08)}.topics-hero{padding:35px clamp(24px,5vw,55px);background:linear-gradient(125deg,#eef8ff,#f7fcff)}.topics-hero h1{margin:0;color:#0b2c60;font:800 clamp(2rem,4vw,3.25rem)/1.1 Inter,sans-serif;letter-spacing:-.04em}.topics-hero>p:last-child{margin:7px 0 0;color:#59708d;font-size:1.05rem}.topics-layout{display:grid;grid-template-columns:285px 1fr;min-height:650px}.topics-sidebar{padding:24px 18px;background:#f7fafc;border-right:1px solid #dce8f3}.topics-sidebar h2{margin:0 10px 15px;color:#17385f;font-size:.9rem;text-transform:uppercase;letter-spacing:.08em}.topics-sidebar button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;margin:6px 0;padding:13px;border:1px solid transparent;border-radius:10px;background:transparent;color:#4c617b;text-align:left;font:inherit;font-size:.88rem;cursor:pointer}.topics-sidebar button b{color:#1687f8}.topics-sidebar button.active{background:#e9f4ff;border-color:#a9d2fb;color:#075fbf;font-weight:800}.topic-content{padding:clamp(24px,4vw,45px)}.topic-content>header{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;padding-bottom:25px;border-bottom:1px solid #e1e9f1}.topic-content>header span{color:#0878e9;font-size:.7rem;font-weight:800;letter-spacing:.1em}.topic-content>header h2{margin:5px 0;color:#0b2c60;font:700 2rem/1.15 Georgia,serif}.topic-content>header p{margin:6px 0 0;color:#64758b}.topic-content>header>strong{display:grid;place-items:center;min-width:92px;height:82px;border-radius:13px;background:#eef7ff;color:#0878e9;font-size:1.6rem}.topic-content>header>strong small{display:block;color:#5f7189;font-size:.68rem}.topic-groups{margin-top:20px}.topic-groups details{margin:9px 0;border:1px solid #dce5ee;border-radius:11px;background:#fff;overflow:hidden}.topic-groups summary{display:grid;grid-template-columns:38px 1fr auto;align-items:center;gap:12px;padding:15px 17px;cursor:pointer;color:#15355d}.topic-groups summary>span{display:grid;place-items:center;width:32px;height:32px;border-radius:8px;background:#e8f4ff;color:#0876e4;font-size:.72rem;font-weight:800}.topic-groups summary em{color:#718198;font-size:.75rem;font-style:normal}.topic-columns{display:grid;grid-template-columns:1fr 1fr;gap:25px;padding:19px 24px 23px 67px;border-top:1px solid #e5edf4;background:#fbfdff}.topic-columns h3{margin:0 0 8px;color:#0873dc;font-size:.82rem;text-transform:uppercase;letter-spacing:.06em}.topic-columns ul{margin:0;padding-left:19px;color:#425672}.topic-columns li{margin:5px 0}.topic-columns section+section{border-left:1px solid #dce7f1;padding-left:25px}
.study-notes{padding:22px 24px 26px 67px;border-top:1px solid #dce7f1;background:#f5faff}.study-notes>h3{margin:0 0 14px;color:#075fbf;font-size:.82rem;text-transform:uppercase;letter-spacing:.07em}.study-notes>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.study-notes article{padding:16px;border:1px solid #d7e7f5;border-radius:10px;background:#fff}.study-notes h4{margin:0 0 7px;color:#15355d;font-size:1rem}.study-notes p{margin:0;color:#4b6079;line-height:1.55}
@media(max-width:850px){.topics-promo{display:block}.topics-promo button{margin-top:17px}.topics-layout{grid-template-columns:1fr}.topics-sidebar{border-right:0;border-bottom:1px solid #dce8f3;display:flex;overflow-x:auto}.topics-sidebar h2{display:none}.topics-sidebar button{min-width:190px}.topic-columns{grid-template-columns:1fr;padding-left:24px}.topic-columns section+section{border-left:0;border-top:1px solid #dce7f1;padding:18px 0 0}.study-notes{padding-left:24px}.study-notes>div{grid-template-columns:1fr}.topic-groups summary{grid-template-columns:38px 1fr}.topic-groups summary em{display:none}}
.marking-criteria{margin-top:18px;padding:17px;background:rgba(255,255,255,.78);border:1px solid rgba(30,55,80,.16);border-radius:11px}.marking-criteria h4{margin:0;color:var(--navy);font-size:1rem}.marking-criteria .criteria-intro{margin:4px 0 13px;color:var(--muted);font-size:.86rem}.criteria-group+.criteria-group{margin-top:15px}.criteria-group-title{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:6px;color:var(--navy)}.criteria-group-title span{font-size:.78rem;color:var(--muted);white-space:nowrap}.criteria-scroll{overflow-x:auto}.marking-criteria table{width:100%;border-collapse:collapse;background:#fff;font-size:.88rem}.marking-criteria th,.marking-criteria td{padding:10px 11px;border:1px solid #d8e0e9;text-align:left;vertical-align:top}.marking-criteria th{background:#edf3fb;color:var(--navy);font-size:.78rem;letter-spacing:.02em}.marking-criteria th:first-child,.marking-criteria td:first-child{width:66px;text-align:center;font-weight:800;color:var(--navy)}