:root{font-family:Arial,"Malgun Gothic","Apple SD Gothic Neo",sans-serif;color:#182b40;background:#edf2f7;font-synthesis:none;--accent:#245da8;--border:#d5dfeb;--muted:#53657a;--surface:#fff}
[hidden]{display:none!important}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button,.button{background:var(--accent);color:white;border:1px solid var(--accent);border-radius:7px;padding:12px 18px;cursor:pointer;font-weight:700;line-height:1.3;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px}button:hover,.button:hover{background:#174a8e}button:disabled{opacity:.45;cursor:not-allowed}.secondary{background:white;color:#203c61;border-color:#b9c9db}.secondary:hover{background:#edf3fb}a{color:#1d559b}input,select{padding:11px 12px;border:1px solid #9cacc0;border-radius:6px;background:white;color:#182b40;max-width:100%}input[type=checkbox]{width:20px;height:20px;flex-shrink:0;accent-color:var(--accent)}input[type=range]{padding:0;accent-color:var(--accent);width:120px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #c47918;outline-offset:3px}.site-header{background:white;border-bottom:1px solid var(--border);padding:16px 4vw;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:10px;color:#182b40;text-decoration:none}.brand img{object-fit:contain}.brand strong{font-size:23px;letter-spacing:.05em}.brand small{display:block;font-size:12px;color:var(--muted);margin-top:3px}.site-header nav{display:flex;align-items:center;gap:24px;font-size:14px}.site-header nav span{color:var(--muted)}main{max-width:1280px;margin:36px auto;padding:0 28px;min-height:70vh}.panel{background:white;border:1px solid var(--border);border-radius:12px;padding:32px}.intro-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:28px}.eyebrow{color:var(--accent);font-weight:700;font-size:14px;margin:0 0 14px}h1{font-size:clamp(30px,4vw,44px);line-height:1.12;letter-spacing:-.035em;margin:0 0 20px}h2{font-size:24px;margin:0 0 18px}h3{font-size:17px;line-height:1.5;margin:0 0 16px}p{line-height:1.65}p.lead{font-size:18px;color:var(--muted);max-width:48ch}.facts{display:flex;gap:28px;margin:28px 0;padding:22px 0;border-block:1px solid var(--border)}.facts strong{display:block;font-size:27px;margin-bottom:5px}.facts span{color:var(--muted);font-size:13px}.steps{padding-left:22px;color:#3b4f67;line-height:1.8}.source-note{font-size:12px;color:var(--muted);margin-top:24px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{display:flex;flex-direction:column;gap:8px;font-size:14px;font-weight:700;min-width:0}.field small{font-weight:400;color:var(--muted)}.field.wide{grid-column:1/-1}.soundcheck{padding:18px;background:#f4f7fb;border:1px solid var(--border);border-radius:8px;margin:22px 0}.soundcheck p{font-size:13px;margin:12px 0}.check-label{display:flex;align-items:center;gap:10px;font-size:14px;line-height:1.5;margin-top:15px}.actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.full-width{width:100%}.resume{border-left:4px solid var(--accent);margin-bottom:24px;padding:20px 24px}.resume p{margin:0 0 12px}.exam-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:22px}.exam-heading h1{font-size:28px;margin-bottom:7px}.exam-heading p{margin:0;color:var(--muted);font-size:14px}.exam-layout{display:grid;grid-template-columns:minmax(0,1fr) 295px;gap:24px;align-items:start}.question-panel{min-height:570px;padding:32px}.question-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;border-bottom:1px solid var(--border);padding-bottom:20px;margin-bottom:26px}.question-count{font-weight:700;color:var(--accent)}.flag-button{font-size:13px;padding:8px 12px}.flag-button[aria-pressed=true]{color:#785018;background:#fff3d5;border-color:#c99540}.korean{font-family:"Malgun Gothic","Apple SD Gothic Neo",Arial,sans-serif;word-break:keep-all;overflow-wrap:anywhere;line-height:1.8}.instruction{font-size:20px;line-height:1.65;margin-bottom:22px}.prompt{white-space:pre-line;font-size:19px;margin:0 0 24px}.question-images{display:flex;flex-wrap:wrap;gap:16px;margin:20px 0 28px;align-items:flex-start}.question-images img{max-width:100%;max-height:310px;object-fit:contain;width:auto}.choices{border:0;padding:0;margin:20px 0 26px;display:grid;gap:12px}.choice{display:flex;align-items:center;gap:14px;position:relative;padding:14px 18px;border:1px solid #c4d1e0;border-radius:8px;cursor:pointer;min-height:58px;background:white}.choice:hover{border-color:var(--accent);background:#f4f8fd}.choice:has(input:checked){border:2px solid var(--accent);padding:13px 17px;background:#edf4ff}.choice input{width:18px;height:18px;flex-shrink:0;accent-color:var(--accent)}.choice-number{font-weight:700;font-size:19px;color:#344b66}.choice-text{font-size:19px;line-height:1.6}.choice-images{display:flex;flex-wrap:wrap;gap:12px}.choice img{max-width:100%;max-height:180px;object-fit:contain}.image-options{grid-template-columns:1fr 1fr}.image-options .choice{align-items:flex-start;flex-wrap:wrap}.image-options .choice-images{width:100%;justify-content:center}.question-nav{display:flex;justify-content:space-between;gap:12px;margin-top:28px;border-top:1px solid var(--border);padding-top:22px}.sidebar{position:sticky;top:18px}.sidebar .panel{padding:22px}.timers{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:24px}.timer-box{background:#f2f5f9;border:1px solid var(--border);border-radius:7px;padding:12px 8px;text-align:center}.timer-box.active{background:#e9f2ff;border-color:#8daed9}.timer-box small{display:block;color:var(--muted);font-size:11px;margin-bottom:6px}.timer-box strong{font-size:25px;font-variant-numeric:tabular-nums}.timer-box.urgent strong{color:#b3261e}.answer-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}.answer-grid button{min-width:0;min-height:38px;padding:7px 3px;font-size:13px;border-radius:5px;background:white;color:#284361;border:1px solid #becdde;position:relative}.answer-grid button.answered{background:#dceaff;border-color:#8cacd8}.answer-grid button.current{outline:2px solid var(--accent);outline-offset:1px;font-weight:800}.answer-grid button.flagged::after{content:'!';position:absolute;right:2px;top:0;font-size:10px;color:#805213}.grid-title{font-size:13px;font-weight:700;margin:20px 0 10px}.legend{font-size:12px;line-height:1.7;color:var(--muted);margin:18px 0}.audio-panel{background:#eff5fd;border:1px solid #b5cce9;border-radius:8px;padding:16px;margin:22px 0}.audio-panel p{margin:8px 0;font-size:13px}.audio-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.audio-row label{font-size:12px;display:flex;align-items:center;gap:8px}.audio-status{color:#304965;font-weight:700}.error{color:#a22721}.notice{max-width:1224px;margin:0 auto;padding:0 28px;color:#785018;font-size:14px}.notice:empty{display:none}.site-footer{padding:28px;text-align:center;color:var(--muted);font-size:12px}.skip-link{position:absolute;left:12px;top:-80px;background:white;padding:12px;z-index:10}.skip-link:focus{top:12px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.summary-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:28px 0}.summary-stats div{padding:20px;background:#f3f6fa;border-radius:8px}.summary-stats strong{display:block;font-size:30px}.summary-stats span{font-size:13px;color:var(--muted)}.result-section{margin-top:28px}.review-item{border:1px solid var(--border);background:white;border-radius:8px;margin:12px 0;overflow:hidden}.review-item summary{padding:18px 20px;cursor:pointer;line-height:1.5}.review-item summary span{margin-left:14px;font-size:13px}.review-body{padding:8px 24px 24px}.review-choice{padding:12px;border:1px solid var(--border);margin:8px 0;border-radius:6px}.review-choice.correct{background:#e7f4ee;border-color:#77a991}.review-choice.wrong{background:#fff0ed;border-color:#daaaa0}.review-choice img{max-height:160px;max-width:100%;display:block;margin:10px 0}.review-body audio{max-width:100%;display:block;margin:16px 0}.correct-label{color:#276344}.wrong-label{color:#9a3024}.filter-row{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:34px}dialog{border:1px solid var(--border);border-radius:12px;max-width:480px;padding:30px;color:#182b40}dialog::backdrop{background:#14243899}dialog p{color:var(--muted)}.empty-note{font-size:14px;color:var(--muted)}
@media(max-width:950px){.intro-grid{grid-template-columns:1fr}.exam-layout{grid-template-columns:minmax(0,1fr) 245px}.sidebar .panel{padding:16px}.question-panel{padding:24px}.site-header nav span{display:none}}
@media(max-width:700px){main{margin:22px auto;padding:0 14px}.site-header{padding:12px 16px}.brand small{font-size:10px}.brand strong{font-size:20px}.brand img{width:38px;height:38px}.site-header nav{font-size:12px}.panel{padding:23px}.form-grid{grid-template-columns:1fr}.exam-layout{display:flex;flex-direction:column}.question-panel,.sidebar{width:100%}.sidebar{position:static}.question-panel{min-height:0;padding:22px 18px}.exam-heading{gap:12px}.exam-heading h1{font-size:23px}.exam-heading .secondary{padding:10px;font-size:12px}.instruction{font-size:18px}.prompt,.choice-text{font-size:18px}.choice{padding:12px;gap:9px}.choice:has(input:checked){padding:11px}.image-options{grid-template-columns:1fr 1fr}.question-images img{max-height:260px}.summary-stats{grid-template-columns:1fr 1fr;gap:10px}.facts{gap:22px}.facts strong{font-size:25px}.filter-row{align-items:flex-start;flex-direction:column}.audio-row label{width:100%}.answer-grid{grid-template-columns:repeat(10,1fr)}.question-meta{align-items:flex-start}.question-count{padding-top:12px}.question-nav button{font-size:13px}}
@media print{.site-header nav,.site-footer,.actions,.filter-row,.review-body audio,.notice{display:none!important}body{background:white}main{max-width:none;padding:0;margin:0}.panel{border:0;padding:0}.review-item{break-inside:avoid}.review-item summary{padding:12px 0}.review-body{display:block!important}.summary-stats{grid-template-columns:repeat(4,1fr)}.question-images img{max-height:150px}.review-choice img{max-height:100px}}

@media(max-width:700px){.summary-stats div:first-child strong{font-size:22px;white-space:nowrap}}

/* State borders remain visible while the listening answer sheet is locked. */
.answer-grid button.skipped{border:3px solid #c0392b;color:#a42419;background:#fff1ef;padding:5px 1px}
.answer-grid button.flagged{border:3px solid #e07800;color:#9b4700;background:#fff0d9;padding:5px 1px;font-weight:800}
.answer-grid button.flagged::after{color:#9b4700;font-size:12px;right:2px;top:-2px}
.answer-grid button:disabled{opacity:1;cursor:not-allowed}
.answer-grid button.answered.flagged{background:#dceaff}
.flag-button[aria-pressed=true]{border:2px solid #e07800;color:#9b4700;background:#fff0d9;font-weight:800}