:root{--brand: #edb183;--brand-50: #fff3e9;--brand-100: #f2d3ba;--brand-700: #8e5030;--ink: #38332f;--ink-2: #5d5854;--muted: #77716c;--line: #e9e3dc;--bg: #faf8f5;--card: #ffffff;--ok: #00a874;--ok-bg: #e6f7f1;--ng: #ef3554;--ng-bg: #fdecef;--omr: #d9363e;--omr-bg: #fff7f7;--radius: 16px;--shadow: 0 1px 2px rgba(0, 0, 0, .05), 0 2px 8px rgba(0, 0, 0, .04);color-scheme:light}*{box-sizing:border-box}html,body{margin:0}body{font-family:Pretendard Variable,Pretendard,-apple-system,Malgun Gothic,sans-serif;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--brand-700);text-decoration:none}a:hover{text-decoration:underline}button{font:inherit;color:inherit;cursor:pointer}button:disabled{cursor:default}h1{font-size:1.5rem;line-height:1.35;margin:0 0 .25rem;letter-spacing:-.01em}h2{font-size:1.1rem;margin:0}.muted{color:var(--muted)}.small{font-size:.875rem}.center{text-align:center}.center-msg{min-height:60vh;display:grid;place-items:center;color:var(--muted);padding:24px;text-align:center}.container{max-width:920px;margin:0 auto;padding:32px 24px 64px}.row-gap{display:flex;gap:8px;align-items:center}.row-gap.end{justify-content:flex-end}.row-gap.wrap{flex-wrap:wrap;margin:16px 0}.back{display:inline-block;margin-bottom:12px;color:var(--muted);font-size:.9rem}.btn{border:1px solid transparent;border-radius:10px;padding:9px 16px;font-weight:600;font-size:.95rem;background:none;white-space:nowrap}.btn.primary{background:var(--brand);color:var(--ink)}.btn.primary:hover:not(:disabled){background:#e5a16d}.btn.ghost{border-color:var(--line);background:var(--card)}.btn.ghost:hover:not(:disabled){border-color:#cfd3d8}.btn:disabled{opacity:.5}.btn.big{padding:14px 28px;font-size:1.05rem;margin-top:8px}.btn.sm{padding:6px 10px;font-size:.85rem}.btn:focus-visible,.choice:focus-visible,.bubble:focus-visible,.tab:focus-visible{outline:3px solid var(--brand-100);outline-offset:1px}.link{border:none;background:none;color:var(--brand-700);text-decoration:underline;padding:0 3px}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:20px;padding:10px 20px;background:var(--card);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:8px;border:none;background:none;font-weight:800;font-size:1.05rem;padding:0}.topnav{display:flex;gap:4px}.topnav a{padding:6px 12px;border-radius:8px;color:var(--ink-2);font-weight:600;font-size:.95rem}.topnav a.on{background:var(--brand-50);color:var(--ink)}.topnav a:hover{text-decoration:none;background:#f3f4f6}.who{margin-left:auto;color:var(--muted);font-size:.9rem}.tabs{display:flex;gap:6px;margin:8px 0;flex-wrap:wrap}.tab{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:7px 16px;font-weight:600}.tab.on{background:var(--ink);color:#fff;border-color:var(--ink)}.set-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;margin:16px 0 28px}.set-card{text-align:left;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:6px;transition:border-color .15s,transform .15s}.set-card:hover{border-color:var(--brand);transform:translateY(-1px)}.set-card-top{display:flex;justify-content:space-between;align-items:center;gap:8px}.set-name{font-weight:800;font-size:1.05rem}.set-card-meta{color:var(--ink-2);font-size:.85rem}.set-card-foot{color:var(--muted);font-size:.8rem}.pill{font-size:.75rem;font-weight:700;padding:2px 8px;border-radius:999px}.pill.pass{background:var(--ok-bg);color:#007a54}.pill.fail{background:var(--ng-bg);color:#c41f3c}.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;margin:16px 0;box-shadow:var(--shadow)}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:8px}.score{font-weight:800}.score.pass{color:#007a54}.score.fail{color:#c41f3c}.empty{background:var(--card);border:1px dashed #d1d5db;border-radius:var(--radius);padding:40px 16px;text-align:center;color:var(--muted);margin:16px 0}.setup{max-width:640px}.notice{background:var(--brand-50);border:1px solid var(--brand-100);border-radius:var(--radius);padding:14px 16px;margin:16px 0;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.track-pick{border:none;padding:0;margin:20px 0;display:grid;gap:8px}.track-pick legend{font-weight:700;margin-bottom:8px}.track{display:flex;align-items:center;gap:12px;background:var(--card);border:1.5px solid var(--line);border-radius:var(--radius);padding:12px 14px;cursor:pointer}.track.on{border-color:var(--brand);background:var(--brand-50)}.track input{accent-color:var(--brand);width:18px;height:18px}.track-name{font-weight:700}.track-meta{margin-left:auto;color:var(--muted);font-size:.85rem}.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:16px 0}.facts div{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:10px 14px}.facts dt{color:var(--muted);font-size:.8rem}.facts dd{margin:0;font-weight:700}.rules{color:var(--ink-2);padding-left:20px;font-size:.95rem}.app-exam{background:#eceae4;min-height:100vh}.exam-bar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:16px;padding:10px 20px;background:var(--ink);color:#fff}.exam-title{display:flex;flex-direction:column;line-height:1.3;min-width:0}.exam-title .muted{color:#b8bec7;font-size:.85rem}.timer{margin:0 auto;font-size:1rem;color:#e5e7eb;background:#ffffff14;padding:6px 14px;border-radius:999px}.timer b{font-variant-numeric:tabular-nums;font-size:1.15rem;color:#fff;margin-left:4px}.timer.warn{background:var(--ng)}.exam-actions{display:flex;gap:8px;align-items:center}.progress-text{color:#b8bec7;font-variant-numeric:tabular-nums;font-size:.9rem}.exam-actions .btn.ghost{background:transparent;color:#fff;border-color:#4b5563}.omr-toggle{display:none}.exam-body{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:20px;max-width:1280px;margin:0 auto;padding:20px}.paper{background:#fff;border-radius:6px;box-shadow:0 2px 12px #00000014;padding:28px 36px;min-width:0}.section-head{margin:8px 0 12px;padding:8px 12px;background:#f3f4f6;border-left:4px solid var(--ink);font-weight:700;font-size:.95rem}.qcard{padding:18px 0 22px;border-bottom:1px solid #f0f0f0;scroll-margin-top:80px}.qcard.active{background:#fffaf4;border-radius:10px}.qstem{display:flex;gap:6px;font-size:1.05rem;font-weight:700;line-height:1.55;margin:0 0 10px}.qno{flex:none}.qpts{color:var(--brand-700);font-weight:700}.qbox{border:1px solid #9ca3af;padding:10px 14px;margin:0 0 12px 22px;font-size:.97rem;line-height:1.7}.qbox-line{min-height:1em}.qbox-table{border-collapse:collapse;width:100%;font-size:.92rem;margin:4px 0}.qbox-table th,.qbox-table td{border:1px solid #d1d5db;padding:4px 8px;text-align:center}.qbox-table th{background:#f9fafb}.qfig{max-width:100%;margin:0 0 12px 22px}.choices{list-style:none;margin:0 0 0 16px;padding:0;display:grid;gap:4px}.choices.ox{grid-template-columns:repeat(2,minmax(0,120px));gap:12px}.choices.ox .choice{justify-content:center;border-color:var(--line)}.choices.ox .choice.on{border-color:var(--brand)}.choices.ox .cmark{font-size:1.5rem;line-height:1.2}.choice{display:flex;gap:8px;width:100%;text-align:left;border:1.5px solid transparent;background:none;border-radius:8px;padding:6px 10px;line-height:1.55}.choice:hover:not(:disabled){background:#f9fafb}.choice.on{background:var(--brand-50);border-color:var(--brand)}.choice:disabled{color:inherit;opacity:1}.cmark{flex:none;font-size:1.05rem}.paper-end{text-align:center;padding:28px 0 8px;color:var(--muted)}.omr-wrap{position:sticky;top:76px;align-self:start;max-height:calc(100vh - 96px);overflow:auto}.omr{background:var(--omr-bg);border:2px solid var(--omr);border-radius:4px;padding:10px;color:var(--omr)}.omr-head{display:grid;gap:4px;margin-bottom:8px}.omr-title{text-align:center;font-weight:800;letter-spacing:.6em;font-size:1.05rem;border-bottom:2px solid var(--omr);padding-bottom:6px;margin-bottom:4px}.omr-info{display:grid;grid-template-columns:44px 1fr;border:1px solid var(--omr);font-size:.8rem}.omr-info span{background:#fde3e4;text-align:center;padding:2px;border-right:1px solid var(--omr)}.omr-info b{color:var(--ink);padding:2px 8px;font-weight:600}.omr-grid{display:grid;grid-template-columns:1fr;border-top:1px solid var(--omr)}.omr-row{display:grid;grid-template-columns:40px repeat(var(--cols),1fr);align-items:center;border:1px solid var(--omr);border-top:none;background:#fff}.omr-row:nth-child(5n){border-bottom-width:2px}.omr-no{border:none;border-right:1px solid var(--omr);background:#fde3e4;color:var(--omr);font-weight:700;font-size:.85rem;padding:4px 0;height:100%}.omr-no:hover{background:#fbd0d2}.bubble{justify-self:center;width:26px;height:18px;margin:4px 0;border-radius:50%;border:1.3px solid var(--omr);background:#fff;color:var(--omr);font-size:.68rem;font-weight:700;line-height:1;padding:0;transition:background .1s}.bubble:hover:not(:disabled){background:#fde3e4}.bubble.filled{background:#111;color:#111;border-color:#111}.bubble.none{visibility:hidden}.bubble:disabled:not(.none){cursor:default}.omr-row.ok .omr-no{background:var(--ok-bg);color:#007a54}.omr-row.ng .omr-no{background:var(--ng);color:#fff}.bubble.answer{box-shadow:0 0 0 2px var(--ok)}.omr-legend{display:flex;align-items:center;gap:6px;margin-top:8px}.lg-fill,.lg-ans{display:inline-block;width:18px;height:12px;border-radius:50%}.lg-fill{background:#111}.lg-ans{border:1.3px solid var(--omr);box-shadow:0 0 0 2px var(--ok);margin-left:8px}.scrim{display:none}.modal-bg{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:#11182780;display:grid;place-items:center;padding:16px}.modal{background:#fff;border-radius:14px;padding:22px;width:min(440px,100%);box-shadow:0 10px 40px #0003}.modal h2{font-size:1.2rem;margin-bottom:6px}.warn-text{color:#c41f3c;font-size:.92rem}.toast{position:fixed;bottom:20px;left:50%;transform:translate(-50%);background:var(--ng);color:#fff;padding:10px 16px;border-radius:10px;z-index:60;max-width:90vw}.score-hero{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;border-radius:16px;padding:22px 26px;background:var(--card);border:1px solid var(--line);border-left:8px solid var(--ng);box-shadow:var(--shadow)}.score-hero.pass{border-left-color:var(--ok)}.score-big{display:flex;align-items:baseline;gap:4px}.score-big b{font-size:3.2rem;line-height:1.1;letter-spacing:-.02em}.verdict{font-weight:700;margin:4px 0 0}.score-hero.pass .verdict{color:#007a54}.score-hero.fail .verdict{color:#c41f3c}.score-facts{display:flex;gap:20px;margin:0}.score-facts dt{color:var(--muted);font-size:.8rem}.score-facts dd{margin:0;font-weight:700;font-size:1.1rem}.section-bars{display:grid;gap:8px;margin-top:10px}.sbar{display:grid;grid-template-columns:130px 1fr 52px;gap:10px;align-items:center;font-size:.92rem}.sbar-track{height:10px;background:#f0f0f0;border-radius:999px;overflow:hidden}.sbar-fill{display:block;height:100%;background:var(--brand);border-radius:999px}.sbar-val{text-align:right;font-variant-numeric:tabular-nums;color:var(--ink-2)}.review-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:20px;align-items:start}.review-list{min-width:0}.omr-side{position:sticky;top:72px;max-height:calc(100vh - 90px);overflow:auto}.filter{display:flex;gap:6px;margin-bottom:10px}.chip{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:5px 12px;font-size:.88rem;font-weight:600}.chip.on{background:var(--ink);color:#fff;border-color:var(--ink)}.review{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:0 20px;margin-bottom:12px;box-shadow:var(--shadow)}.review .qcard{border-bottom:none}.review.ng{border-left:4px solid var(--ng)}.review.ok{border-left:4px solid var(--ok)}.answer-line{display:flex;gap:14px;align-items:center;margin:12px 0 0 16px;flex-wrap:wrap;font-size:.93rem}.tag{font-size:.78rem;font-weight:800;padding:2px 8px;border-radius:6px}.tag.ok{background:var(--ok-bg);color:#007a54}.tag.ng{background:var(--ng-bg);color:#c41f3c}.explain{margin:12px 0 0 16px;background:#fafaf9;border:1px solid var(--line);border-radius:10px;padding:12px 14px}.explain-h{font-weight:800;font-size:.85rem;color:var(--brand-700);margin-bottom:2px}.explain p{margin:0;white-space:pre-wrap}.refs{display:grid;gap:6px;margin-top:10px}.ref{text-align:left;border:1px solid var(--brand-100);background:var(--brand-50);border-radius:8px;padding:8px 10px;display:flex;flex-direction:column;gap:2px}.ref:hover{border-color:var(--brand)}.ref-label{font-weight:700;font-size:.88rem}.ref-quote{font-size:.88rem;color:var(--ink-2)}.viewer-bg{place-items:stretch;padding:16px}.viewer{background:#fff;border-radius:12px;display:flex;flex-direction:column;max-width:1000px;width:100%;margin:0 auto;max-height:calc(100vh - 32px);overflow:hidden}.viewer-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 14px;border-bottom:1px solid var(--line);flex-wrap:wrap}.viewer-quote{background:var(--brand-50);padding:8px 14px;font-size:.9rem;border-bottom:1px solid var(--brand-100)}.viewer-img{overflow:auto;flex:1;background:#e5e7eb;display:flex;justify-content:center;padding:12px}.viewer-img img{max-width:100%;height:auto;align-self:flex-start;box-shadow:0 2px 10px #00000026;background:#fff}.wrong-list{list-style:none;padding:0;margin:0}.wrong-list>li{border-top:1px solid var(--line)}.wrong-row{display:flex;gap:8px;align-items:baseline;width:100%;text-align:left;border:none;background:none;padding:10px 0}.wrong-row:hover .wrong-stem{text-decoration:underline}.wrong-stem{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.wrong-list .review{margin:0 0 12px;box-shadow:none}.table-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);margin-top:16px}.htable{width:100%;border-collapse:collapse;font-size:.93rem}.htable th,.htable td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}.htable th{color:var(--muted);font-weight:600;font-size:.82rem;background:#fafafa}.htable tbody tr{cursor:pointer}.htable tbody tr:hover{background:var(--brand-50)}.denied{max-width:420px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:28px;color:var(--ink)}@media (max-width: 900px){.exam-body{grid-template-columns:1fr;padding:10px}.paper{padding:16px}.omr-toggle{display:inline-block}.omr-wrap{position:fixed;z-index:40;left:0;right:0;bottom:0;top:auto;max-height:72vh;transform:translateY(105%);transition:transform .2s;background:#fff;border-radius:16px 16px 0 0;padding:12px;box-shadow:0 -8px 30px #0003}.omr-wrap.open{transform:none}.scrim{display:block;position:fixed;top:0;right:0;bottom:0;left:0;z-index:35;background:#00000059}.review-layout{grid-template-columns:1fr}.omr-side{position:static;max-height:none;order:-1}.exam-bar{gap:8px;padding:8px 12px;flex-wrap:wrap}.exam-title{flex:1 1 100%}.timer{margin:0}.exam-actions{margin-left:auto}}@media (max-width: 600px){.topbar{gap:10px;padding:8px 16px;flex-wrap:wrap}.who{display:none}.facts{grid-template-columns:1fr}.score-big b{font-size:2.6rem}.sbar{grid-template-columns:90px 1fr 44px}.qbox,.qfig,.choices{margin-left:0}.progress-text{display:none}}.mix-card{background:var(--brand-50);border-color:var(--brand-100)}.mix-card .set-name:before{content:"⟳ ";color:var(--brand-700)}.bp-table{width:100%;border-collapse:collapse;margin-top:8px;font-size:.95rem}.bp-table th,.bp-table td{text-align:left;padding:8px 4px;border-bottom:1px solid var(--line)}.bp-table th{color:var(--muted);font-weight:600;font-size:.82rem}.bp-table tfoot td{font-weight:800;border-bottom:none}.part-scores{display:flex;gap:12px;flex-wrap:wrap;margin-top:4px}.part{border:1px solid var(--line);border-radius:12px;padding:10px 16px;min-width:170px;border-top:4px solid var(--ng)}.part.pass{border-top-color:var(--ok)}.part-label{font-weight:700;color:var(--ink-2);font-size:.9rem}.part .score-big b{font-size:2.4rem}.part-verdict{font-weight:700;font-size:.88rem}.part.pass .part-verdict{color:#007a54}.part.fail .part-verdict{color:#c41f3c}.road-ring{flex:none;width:96px;height:96px;border-radius:50%;display:grid;place-content:center;text-align:center;background:radial-gradient(closest-side,var(--bg) 78%,transparent 79%),conic-gradient(var(--brand) var(--pct),#e5e7eb 0)}.road-ring b{font-size:1.3rem}.road-ring span{font-size:.75rem;color:var(--muted)}.steps{list-style:none;padding:0;margin:20px 0;display:grid;gap:0}.step{display:grid;grid-template-columns:40px 1fr;gap:14px;position:relative;padding-bottom:18px}.step:not(:last-child):before{content:"";position:absolute;left:19px;top:40px;bottom:0;width:2px;background:var(--line)}.step-mark{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-weight:800;background:var(--card);border:2px solid var(--line);color:var(--muted)}.step.current .step-mark{border-color:var(--brand);background:var(--brand);color:var(--ink)}.step.done .step-mark{border-color:var(--ok);background:var(--ok);color:#fff}.step-body{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px;box-shadow:var(--shadow)}.step.current .step-body{border-color:var(--brand)}.step-title{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.step-period{font-size:.78rem;font-weight:800;color:var(--brand-700);background:var(--brand-50);padding:2px 8px;border-radius:6px}.step-body>p{margin:4px 0 8px}.tasks{list-style:none;padding:0;margin:0;display:grid;gap:6px}.task{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:8px 10px;border-radius:8px;background:#fafaf9}.task.done .task-label{color:var(--muted);text-decoration:line-through}.task-check{display:flex;align-items:center;gap:8px;flex:1;min-width:180px;cursor:pointer}.task-check input{width:18px;height:18px;accent-color:var(--ok)}.auto{width:18px;height:18px;border-radius:50%;border:2px solid #cfd3d8;display:grid;place-items:center;font-size:.7rem;color:#fff;flex:none}.auto.on{background:var(--ok);border-color:var(--ok)}.task-detail{font-size:.85rem;color:var(--ink-2)}.filter.wrap{flex-wrap:wrap}.chip.hot.on,.pill.hot{background:#fff1e0;color:var(--brand-700);border-color:var(--brand)}.pill.hot{border:1px solid var(--brand-100)}.note-sec h2{font-size:1.05rem}.note-points{margin:0;padding-left:18px;display:grid;gap:6px}.note-points li{line-height:1.6}.ref-chip{border:1px solid var(--brand-100);background:var(--brand-50);border-radius:6px;padding:0 6px;margin-left:6px;font-size:.78rem}.ref-chip:hover{border-color:var(--brand)}@media (max-width: 600px){.step{grid-template-columns:32px 1fr;gap:10px}.step-mark{width:32px;height:32px}.step:not(:last-child):before{left:15px;top:32px}}.land-h2{font-size:1.2rem;margin:28px 0 10px}.land-notes{padding-left:18px;margin:12px 0 0}.land-steps{margin:12px 0 0;padding-left:20px;display:grid;gap:10px}.land-steps b{margin-right:8px}.land-steps p{margin:2px 0 0;color:var(--ink-2)}.star-badge{display:inline-block;background:#fff1d6;color:#9a5b00;border:1px solid #ffd28a;border-radius:6px;font-size:.74rem;font-weight:800;padding:1px 6px;margin-right:6px;vertical-align:2px;white-space:nowrap}.hub-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.tips{list-style:none;padding:0;margin:10px 0 0;display:grid;gap:4px;font-size:.9rem;color:var(--ink-2)}.star-card{background:#fff8ea;border-color:#ffd28a}.opt-row{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin:12px 0}.opt-row.check{gap:8px;font-size:.95rem;cursor:pointer}.opt-label{width:64px;font-weight:700;font-size:.9rem;color:var(--ink-2)}.pool-info{color:var(--ink-2);font-weight:600}.warn-box{margin:10px 0 0 16px;background:#fff7e6;border:1px solid #ffd28a;color:#8a5300;border-radius:8px;padding:8px 12px;font-size:.88rem}.calc-wrap{margin-top:10px}.calc-toggle{border:1px solid var(--line);background:var(--card);border-radius:8px;padding:5px 10px;font-size:.85rem;font-weight:700}.calc{margin-top:8px;border:1px solid #cfe3ff;background:#f5f9ff;border-radius:10px;padding:12px 14px}.calc-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}.calc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:8px 12px}.calc-field{display:flex;flex-direction:column;gap:2px}.calc-label{font-size:.78rem;color:var(--muted);font-weight:600}.calc-field input,.calc-field select{font:inherit;padding:7px 9px;border:1px solid #c9d3e0;border-radius:7px;background:#fff;text-align:right}.calc-field select{text-align:left}.calc-kor{font-size:.75rem;color:var(--ink-2);min-height:1em;text-align:right}.calc-result{margin-top:10px;padding-top:10px;border-top:1px dashed #c9d3e0}.calc-result b{font-size:1.25rem;display:block}.calc-result p{margin:4px 0 0;font-size:.88rem;color:var(--ink-2)}.calc-list{list-style:none;padding:0;margin:2px 0 0;display:grid;gap:2px}.calc-list b{display:inline;font-size:1.05rem}.tip{position:relative;display:inline-block}.tip-btn{border:1px solid #c9d3e0;background:#fff;border-radius:999px;padding:2px 10px;font-size:.78rem;font-weight:700;color:var(--ink-2)}.tip-body{display:none;position:absolute;z-index:20;left:0;top:calc(100% + 6px);width:min(420px,80vw);background:var(--ink);color:#fff;border-radius:8px;padding:10px 12px;font-size:.82rem;line-height:1.6;box-shadow:0 6px 20px #0003}.tip-body span{display:block}.tip:hover .tip-body,.tip:focus-within .tip-body{display:block}.calc-basis{font-size:.75rem;color:var(--muted);margin-left:auto}.calc-sub{margin-top:12px;padding-top:10px;border-top:1px dashed #c9d3e0}.calc-inline{margin:6px 0 0;font-size:.92rem}.calc-inline b{font-size:1.05rem}.exam-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.exam-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px 22px 18px;display:flex;flex-direction:column}.ec-org{margin:0;font-size:.8rem;color:var(--muted);font-weight:600}.exam-card h3{margin:6px 0 4px;font-size:1.5rem;font-weight:800}.ec-sub{margin:0 0 14px;color:var(--ink-2);font-size:.92rem}.ec-rows{margin:12px 0 0}.ec-rows div{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-top:1px solid var(--line);font-size:.93rem}.ec-rows div:last-child{border-bottom:1px solid var(--line)}.ec-rows dt{color:var(--muted);flex:none}.ec-rows dd{margin:0;font-weight:800;text-align:right}html{scroll-padding-top:calc(var(--site-header-height,80px) + 20px)}body{-webkit-text-size-adjust:100%}button,a,input,select,summary{touch-action:manipulation}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #9776b4;outline-offset:3px}.study-icon{display:inline-block;width:22px;height:22px;flex:0 0 auto;vertical-align:middle}.topbar{max-width:1040px;margin:0 auto;padding:14px 24px;gap:16px;border-radius:0 0 20px 20px;background:#fffdfa;flex-wrap:wrap}.brand{min-height:40px;font-size:1rem;white-space:nowrap}.topnav{min-width:0;flex:1;justify-content:center}.topnav a{font-size:.85rem;padding:9px 10px;white-space:nowrap;min-height:42px}.topnav a.on{background:#f1eaf7;color:#624c7c}.who{max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.8rem}.btn{min-height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn.sm{min-height:40px}.btn.primary{color:#4c3424}.chip,.tab,.ref-chip,.calc-toggle{min-height:40px}.setup{max-width:720px;margin-inline:auto}.notes{max-width:800px;margin-inline:auto}.panel,.set-card,.review{box-shadow:0 3px 14px #57423004}.set-card{border-radius:18px}.set-card:hover{border-color:#d4aa8c}.set-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,240px),1fr))}.empty{border-color:var(--line);background:#fffdfa}.filter.wrap,.row-gap,.panel-head{flex-wrap:wrap}.track-meta{white-space:normal;text-align:right}.track-name{min-width:0}.notice .row-gap{flex-wrap:wrap}.htable tbody tr:focus-visible{outline:3px solid #9776b4;outline-offset:-3px}.welcome-card{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:30px 34px;background:#f4eee7;border:1px solid #eee3d7;border-radius:26px;overflow:hidden}.welcome-copy{position:relative;z-index:1}.welcome-kicker{margin:0 0 18px;font-size:10px;letter-spacing:2px;font-weight:700;color:#866b57}.welcome-name{font-size:13px;color:var(--muted);margin:0 0 6px}.welcome-card h1{font-size:clamp(25px,3vw,34px);letter-spacing:-1.2px;line-height:1.45;font-weight:750}.welcome-desc{font-size:14px;margin:12px 0 0;color:var(--ink-2)}.book-buddy{width:220px;max-width:33%;flex-shrink:0}.resume-btn{margin-top:18px;background:#fffdfa;border-color:#e5d5c5;font-size:13px;min-height:42px;color:#74523b}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin:30px 0 15px}.section-heading h2{font-size:20px;letter-spacing:-.6px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:1.8px;color:#9a8170;margin:0 0 6px}.section-caption{font-size:12px;color:var(--muted)}.subject-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.subject-card{--tone:#e2ecdf;--tone-ink:#4d7050;display:flex;flex-direction:column;min-width:0;border:1px solid var(--line);border-radius:20px;padding:18px 16px 8px;background:#fff;transition:transform .15s,border-color .15s}.subject-card:hover{border-color:#d4baa6;transform:translateY(-2px)}.tone-nonlife{--tone:#eae4f3;--tone-ink:#76608f}.tone-third{--tone:#f7e5e1;--tone-ink:#9b5e56}.tone-variable{--tone:#e1ebf1;--tone-ink:#4d7185}.subject-card-top{display:flex;align-items:center;justify-content:space-between;gap:6px}.subject-icon{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:15px;background:var(--tone);color:var(--tone-ink)}.subject-icon .study-icon{width:25px;height:25px}.subject-pass{font-size:10px;color:var(--tone-ink);font-weight:600}.subject-card h3{margin:18px 0 5px;font-size:19px;letter-spacing:-.6px}.subject-card>p{font-size:11px;color:var(--muted);margin:0 0 16px;word-break:keep-all}.subject-start,.subject-actions button{display:flex;align-items:center;justify-content:space-between;gap:4px;width:100%;border:0;border-top:1px solid var(--line);background:none;padding:11px 0;min-height:44px;font-size:13px;font-weight:600;color:var(--tone-ink);text-align:left}.subject-start,.subject-actions{margin-top:auto}.subject-actions button{font-size:12px}.subject-start svg,.subject-actions svg{width:16px;height:16px}.study-strip{display:flex;align-items:center;justify-content:center;gap:22px;margin:24px 0;padding:19px 16px;border:1px dashed #e0d7cd;border-radius:16px}.study-strip>span:not(.strip-arrow){display:flex;align-items:center;gap:8px;font-size:12px}.study-strip i{display:inline-flex;color:#967a63}.study-strip b{font-weight:500}.strip-arrow{color:#b4a89c;font-size:14px}.home-details{border:1px solid var(--line);border-radius:16px;background:#fff;margin:10px 0;overflow:hidden}.home-details summary{display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;min-height:62px;padding:14px 18px;list-style:none;font-size:13px;font-weight:600}.home-details summary::-webkit-details-marker{display:none}.home-details summary>span:first-child{display:flex;align-items:center;gap:10px}.home-details summary .study-icon{width:18px;height:18px;color:#9a8170}.home-details summary:after{content:"+";font-size:20px;color:#9a8170}.home-details[open] summary:after{content:"−"}.details-hint{margin-left:auto;color:var(--muted);font-size:11px;font-weight:400}.home-details[open]>summary{border-bottom:1px solid var(--line)}.home-details .exam-cards{padding:16px;grid-template-columns:repeat(2,minmax(0,1fr))}.home-details .exam-card{padding:16px;box-shadow:none;border-radius:12px}.home-details .exam-card h3{font-size:19px}.home-details .ec-sub{font-size:12px}.home-details .ec-rows div{font-size:12px;padding:9px 0}.home-details .ec-rows dd{font-weight:600}.home-details .land-notes{margin:0 20px 20px}.home-details .land-steps{padding:16px 20px 20px 38px;font-size:13px;margin:0}.home-details .land-steps p{font-size:12px}.home-footer{text-align:center;font-size:11px;color:#93887f;margin:24px 0 0}.home-footer span{color:#b59ac8;margin-left:4px}.load-error{max-width:420px}.load-error h1{font-size:20px;margin-top:16px}.load-error p{font-size:14px}.load-error .row-gap{justify-content:center}.soft-icon{display:inline-flex;padding:16px;border-radius:20px;background:#f1eaf7;color:#866d9d}.hub-head{margin-bottom:24px}.hub-head>div:first-child{max-width:620px}.hub-head h1{font-size:25px}.hub-head p{font-size:14px}.tips{font-size:13px;background:#faf8f5;padding:10px 12px;border-radius:10px}.task-detail{font-size:12px}.step-body{min-width:0}.road-ring{flex-shrink:0}.viewer-bar .row-gap{flex-wrap:wrap}.viewer-img.zoom{display:block}.viewer-img.zoom img{max-width:none;width:150%}.viewer-img{min-height:0}.viewer-quote{max-height:25vh;overflow:auto}.viewer-error{padding:32px;text-align:center}.omr-close{display:none}.omr-wrap:not(.open){visibility:visible}@media (max-width:960px){.topnav{order:3;flex-basis:100%;justify-content:flex-start;overflow-x:auto;scrollbar-width:thin}.who{margin-left:auto}.topbar{gap:4px 12px}.topnav a{flex-shrink:0}}@media (max-width:900px){.omr-wrap:not(.open){visibility:hidden}.omr-close{display:block;width:100%;text-align:right;border:0;background:none;min-height:44px;padding:8px;color:#8e5030;font-weight:700}.omr-wrap{padding-bottom:calc(12px + env(safe-area-inset-bottom))}.exam-actions{gap:6px}.exam-bar .btn{font-size:13px;padding:8px 10px}.omr-side{max-height:300px;overflow:auto}.viewer-bar .btn{font-size:12px;padding:7px 10px}}@media (max-width:600px){.container{padding:20px 16px 40px}.topbar{padding:8px 16px;border-radius:0}.topnav a{font-size:12px;padding:8px 10px}.welcome-card{padding:24px 20px;gap:0;min-height:240px}.welcome-kicker{font-size:9px;letter-spacing:1.2px;margin-bottom:14px}.welcome-name{font-size:12px}.welcome-card h1{font-size:25px;letter-spacing:-.8px}.welcome-desc{font-size:12px;max-width:180px}.book-buddy{max-width:none;width:130px;position:absolute;right:0;bottom:20px;opacity:.95}.welcome-copy{max-width:78%}.resume-btn{font-size:11px;padding:8px 10px;max-width:100%}.section-heading{margin-top:26px}.section-heading h2{font-size:19px}.section-caption{display:none}.subject-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.subject-card{padding:16px 14px 6px}.subject-card h3{font-size:19px;margin-top:13px}.subject-card>p{font-size:10px}.subject-icon{width:38px;height:38px;border-radius:13px}.study-strip{gap:9px;padding:14px 8px}.study-strip>span:not(.strip-arrow){flex-direction:column;gap:5px;font-size:11px;flex:1}.study-strip .study-icon{width:20px;height:20px}.details-hint{display:none}.home-details summary{font-size:12px;padding:12px 14px}.home-details .exam-cards{grid-template-columns:1fr}.hub-head{flex-direction:row;gap:12px}.hub-head h1{font-size:22px}.hub-head p{font-size:12px}.road-ring{width:66px;height:66px}.panel{padding:16px}.row-gap.end,.wrong-row{flex-wrap:wrap}.wrong-stem{flex-basis:60%}.wrong-row>.muted:last-child{font-size:11px}.calc-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,150px),1fr))}.review{padding:0 12px}.explain,.answer-line,.warn-box{margin-left:0}.qcard,.note-sec{scroll-margin-top:calc(var(--site-header-height,110px) + 20px)}}@media (prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}.exam-body{max-width:1120px}@media (max-width:900px){.omr-row{min-height:44px}.bubble{width:34px;height:26px;margin:8px 0}.omr-no{min-height:44px}}.viewer-img{display:block;text-align:center;padding:0 12px 12px;scroll-padding-top:150px}.highlight-toolbar{position:sticky;top:0;z-index:3;background:#fffdfa;text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);margin:0 -12px 12px;line-height:1.5}.highlight-toolbar .row-gap{gap:6px}.highlight-toolbar .btn{font-size:12px}.marker-btn{background:#fff4bd;border-color:#ead27b;color:#6d571d}.marker-btn.on{background:#ffe277;border-color:#b38a24}.highlight-guide{font-size:11px;color:var(--muted);margin:6px 0 0}.highlight-status{font-size:12px;color:#4d7050;margin:6px 0 0}.highlight-toolbar .warn-text{font-size:12px;margin:6px 0 0}.book-page{position:relative;display:block;max-width:100%;width:100%;line-height:0;margin:0 auto}.book-page>img{display:block;width:100%;max-width:100%;height:auto;-webkit-user-select:none;user-select:none;-webkit-user-drag:none}.viewer-img.zoom .book-page{max-width:none;width:150%;margin:0}.viewer-img.zoom .book-page>img{width:100%;max-width:100%}.book-page[data-marking=true]{touch-action:none;cursor:crosshair}.highlight-layer{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.highlight-rect{position:absolute;background:#ffde59;opacity:.35;mix-blend-mode:multiply;border-radius:2px}.highlight-rect.draft{outline:2px solid #a17800;outline-offset:-2px;opacity:.5}.page-highlights{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px;font-size:12px;padding:14px;background:#fffdfa;line-height:1.6;margin-top:12px}.page-highlights button{min-height:40px;font-size:12px}.highlights-page>h1{display:flex;align-items:center;gap:8px}.highlights-page>h1 .study-icon{color:#ac892e}.highlights-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:20px}.highlight-card{min-width:0;background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;display:flex;flex-direction:column;gap:12px}.highlight-card-head,.highlight-card-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}.highlight-book{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:#7f653b}.highlight-book .study-icon{width:18px;height:18px}.highlight-crop{background:#fffef6;border:1px solid #eee5bc;border-radius:10px;overflow:hidden;min-height:50px}.highlight-crop .crop-probe{display:none}.highlight-crop svg{display:block;width:100%;max-height:220px}.saved-page{display:flex;align-items:center;justify-content:center;gap:10px;padding:24px;background:#faf6eb;border-radius:10px;color:#99865c;font-size:13px}.highlight-quote{font-size:13px;line-height:1.7;background:#fff9df;border-radius:10px;padding:12px;margin:0;white-space:pre-wrap;overflow-wrap:anywhere}.highlight-card-foot{margin-top:auto}.highlight-card-foot .small{font-size:11px}.highlight-card-foot .link{font-size:12px;min-height:40px}.highlights-page .empty .study-icon{color:#b59ac8;width:32px;height:32px}@media (max-width:600px){.highlights-grid{grid-template-columns:1fr}.highlight-toolbar .btn{font-size:11px;padding:7px 10px;min-height:40px}.highlight-guide{font-size:11px}.viewer-bar strong{font-size:13px}.highlight-toolbar{padding:8px 12px}.viewer-bg{padding:8px}.viewer{max-height:calc(100dvh - 16px)}}html,.viewer-img,.omr-wrap,.omr-side{scrollbar-gutter:stable}.viewer,.modal,.viewer-img,.omr-wrap,.omr-side{min-width:0}.viewer-img{overflow-anchor:none}.brand-logo{display:block;width:106px;height:auto;flex-shrink:0}.brand-divider{display:block;width:1px;height:17px;background:var(--line);margin:0 2px}.brand>span:last-child{font-size:15px;font-weight:650}@media (max-width:600px){.brand-logo{width:100px}.brand>span:last-child{font-size:14px}}