:root{--study-blue:#2256a6;--study-orange:#f89f2f;--study-ink:#183250;--study-muted:#55657a}.portal{padding-top:36px;padding-bottom:60px;color:var(--study-ink)}.portal-heading{background:linear-gradient(120deg,#eaf2ff,#fff7e9);border:1px solid #dce7f5;border-radius:22px;padding:36px;margin:20px 0 28px}.portal-heading h1{font-size:clamp(28px,4vw,44px);line-height:1.15;margin:10px 0 16px}.portal-heading p{max-width:780px;line-height:1.8}.portal .study-panel{background:#fff;border:1px solid #dce5f0;border-radius:16px;padding:26px;margin-bottom:22px;box-shadow:0 7px 22px #17345105}.portal h2{font-size:23px;line-height:1.35;margin-top:0}.portal p,.portal li{line-height:1.8}.exam-columns{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:28px;align-items:start}.exam-columns>*,.portal-grid>*{min-width:0}.official-panel{border-top:4px solid var(--study-orange)!important}.official-panel ul{padding-left:20px}.official-panel li{margin-bottom:16px}.official-panel a{overflow-wrap:anywhere}.guide-index{display:grid;grid-template-columns:1fr 1fr;gap:12px}.guide-index h2{grid-column:1/-1}.guide-index a{font-size:14px;line-height:1.6}.guide-section{scroll-margin-top:110px}.portal-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.portal-tabs{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:24px 0}.portal-tabs a,.portal button,.batch-picker select{border:1px solid #cbd9eb;border-radius:9px;background:#fff;padding:10px 16px;color:var(--study-blue);font:inherit;cursor:pointer}.portal-tabs .active,.portal .button-primary{background:var(--study-blue);color:#fff}.account-form{max-width:580px}.portal label{display:block;line-height:1.6}.account-form label,.editor-form label{margin-bottom:18px}.account-form input:not([type=checkbox]),.editor-form input,.editor-form textarea,.editor-form select,.batch-picker input{display:block;width:100%;border:1px solid #bacbdf;border-radius:9px;padding:12px;margin-top:6px;font:inherit;color:#183250;background:#fff}.portal textarea{resize:vertical;min-height:95px}.portal input[type=radio],.portal input[type=checkbox]{accent-color:var(--study-blue);width:19px;height:19px}.notice{background:#fff6e5;color:#634414;border:1px solid #edc780;border-radius:10px;padding:14px;margin:16px 0}.notice.error{background:#fff0ee;color:#9e2323;border-color:#edc0b9}.portal .question-card{padding:26px;border:1px solid #dce5f0;background:#fff;border-radius:16px;margin:24px 0;min-width:0}.question-card legend{font-size:19px;font-weight:700;padding:0 8px;max-width:100%;white-space:normal}.portal .answer-option{display:flex;gap:12px;align-items:center;padding:12px;margin:9px 0;border:1px solid #e0e7ef;border-radius:9px;cursor:pointer}.answer-option:has(input:checked){border-color:var(--study-blue);background:#eef4ff}.answer-option input{flex:0 0 auto}.quiz-actions{display:flex;gap:12px;flex-wrap:wrap;padding:20px 0}.portal progress{display:block;width:100%;height:12px;margin:14px 0;accent-color:var(--study-orange)}.score{font-size:30px;font-weight:750;color:var(--study-blue)}.correct{color:#16703b}.incorrect,.portal .danger{color:#a32f2f}.batch-picker{display:flex;gap:14px;align-items:end;flex-wrap:wrap;margin:20px 0}.batch-picker select{max-width:100%}.small{font-size:13px;color:var(--study-muted)}.saved-item{border-bottom:1px solid #e1e8ef;padding:16px 0}.saved-item form{display:inline-block;margin:8px 12px}.avatar{width:110px;height:110px;object-fit:cover;border-radius:50%;margin-bottom:20px}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.table-scroll{overflow:auto}.portal table{width:100%;border-collapse:collapse;background:white}.portal th,.portal td{text-align:left;padding:14px;border-bottom:1px solid #dce5f0}.portal summary{cursor:pointer;font-weight:700}.portal a:focus-visible,.portal button:focus-visible,.portal input:focus-visible{outline:3px solid var(--study-orange);outline-offset:3px}.portal button:hover{filter:brightness(.95)}.save-tool-bar{padding-top:18px}.save-tool-bar button{padding:10px 18px;border:1px solid #2256a6;border-radius:9px;color:#2256a6;background:white;cursor:pointer}.edu-nav{flex-wrap:wrap}@media(max-width:1000px){.exam-columns{grid-template-columns:minmax(0,1fr) 290px}.stat-grid{grid-template-columns:1fr 1fr}}@media(max-width:760px){.exam-columns,.portal-grid{grid-template-columns:1fr}.exam-columns>aside{grid-row:1}.guide-index{grid-template-columns:1fr}.portal-heading{padding:24px}.portal .study-panel,.portal .question-card{padding:18px}.stat-grid{gap:10px}.portal-tabs{gap:8px}.portal-tabs a{padding:8px 10px}.batch-picker>*{max-width:100%}.edu-nav{gap:12px}.site-header .header-inner{flex-wrap:wrap}.portal{overflow-wrap:anywhere}.score{font-size:25px}}