/* ==== 산업보건지도사 문제풀이 사이트 공통 스타일 ==== */
:root{
  --bg:#0f172a;
  --bg-2:#111827;
  --panel:#ffffff;
  --panel-2:#f8fafc;
  --text:#0f172a;
  --muted:#64748b;
  --border:#e2e8f0;
  --primary:#2563eb;
  --primary-dark:#1d4ed8;
  --primary-soft:#dbeafe;
  --success:#16a34a;
  --success-soft:#dcfce7;
  --danger:#dc2626;
  --danger-soft:#fee2e2;
  --warn:#d97706;
  --warn-soft:#fef3c7;
  --purple:#7c3aed;
  --purple-soft:#ede9fe;
  --shadow:0 1px 3px rgba(15,23,42,.06),0 4px 20px -8px rgba(15,23,42,.1);
  --radius:14px;
  --radius-sm:8px;
  --bg-gradient-1:#f1f5f9;
  --bg-gradient-2:#e2e8f0;
  --passage-bg:#fafafa;
  --images-bg:#fafafa;
  --choice-bg:#ffffff;
  --choice-hover-bg:#f8faff;
}

/* Dark mode overrides */
html[data-theme="dark"]{
  --panel:#1e293b;
  --panel-2:#0f172a;
  --text:#f1f5f9;
  --muted:#94a3b8;
  --border:#334155;
  --primary:#3b82f6;
  --primary-dark:#60a5fa;
  --primary-soft:#1e3a8a;
  --success:#22c55e;
  --success-soft:#14532d;
  --danger:#ef4444;
  --danger-soft:#7f1d1d;
  --warn:#f59e0b;
  --warn-soft:#78350f;
  --purple:#a78bfa;
  --purple-soft:#4c1d95;
  --bg-gradient-1:#0f172a;
  --bg-gradient-2:#1e293b;
  --passage-bg:#0f172a;
  --images-bg:#0f172a;
  --choice-bg:#1e293b;
  --choice-hover-bg:#172033;
  --shadow:0 1px 3px rgba(0,0,0,.3),0 4px 20px -8px rgba(0,0,0,.4);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Apple SD Gothic Neo",
    "Malgun Gothic","Noto Sans KR",Roboto,Helvetica,Arial,sans-serif;
  color:var(--text);
  background:linear-gradient(180deg,var(--bg-gradient-1) 0%,var(--bg-gradient-2) 100%);
  min-height:100vh;
  line-height:1.6;
  font-size:15px;
  transition:background .25s ease, color .25s ease;
}
/* Accessible focus ring */
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}

/* ==== Header ==== */
.site-header{
  background:color-mix(in srgb, var(--panel) 90%, transparent);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:50;
}
html[data-theme="dark"] .site-header{background:rgba(15,23,42,.85)}
.site-header .inner{
  max-width:1200px;margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;gap:28px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px}
.brand .dot{
  width:28px;height:28px;border-radius:8px;
  background:linear-gradient(135deg,#2563eb,#7c3aed);
  display:grid;place-items:center;color:#fff;font-weight:900;font-size:13px;
}
.brand small{font-weight:600;color:var(--muted);font-size:12px;margin-left:4px}
.nav{display:flex;gap:6px;margin-left:auto;flex-wrap:wrap}
.nav a{
  padding:8px 14px;border-radius:8px;font-weight:600;color:var(--muted);
  transition:.15s;
}
.nav a:hover{background:var(--panel-2);color:var(--text)}
.nav a.active{background:var(--primary-soft);color:var(--primary-dark)}

/* ==== Container ==== */
.container{max-width:1200px;margin:0 auto;padding:28px 24px 60px}

/* ==== Hero ==== */
.hero{
  background:linear-gradient(135deg,#1e3a8a 0%,#5b21b6 100%);
  color:#fff;border-radius:20px;padding:44px 40px;margin-bottom:28px;
  position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-60px;bottom:-60px;width:260px;height:260px;
  background:radial-gradient(circle,rgba(255,255,255,.12),transparent 70%);
  border-radius:50%;pointer-events:none;z-index:0;
}
.hero > *{position:relative;z-index:1}
.hero h1{margin:0 0 8px;font-size:32px;font-weight:800;letter-spacing:-.5px}
.hero p{margin:0;opacity:.92;font-size:15px;max-width:640px}
.hero .badges{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.hero .badges span{
  background:rgba(255,255,255,.16);backdrop-filter:blur(6px);
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
}

/* ==== Card grid ==== */
.grid{display:grid;gap:16px}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){
  .grid.cols-3,.grid.cols-4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
  .grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}
  .hero{padding:32px 24px}.hero h1{font-size:24px}
}

.card{
  background:var(--panel);border:1px solid var(--border);
  border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);
  transition:.15s;
}
.card.link{cursor:pointer}
.card.link:hover{transform:translateY(-2px);box-shadow:0 8px 28px -10px rgba(15,23,42,.18);border-color:#cbd5e1}
.card h3{margin:0 0 6px;font-size:18px;font-weight:700}
.card .desc{color:var(--muted);font-size:14px;margin:0 0 14px}
.card .stat{display:flex;justify-content:space-between;align-items:baseline;gap:8px;padding-top:12px;border-top:1px dashed var(--border)}
.card .stat-big{font-size:24px;font-weight:800;color:var(--primary-dark)}
.card .stat-small{color:var(--muted);font-size:13px}

.icon-badge{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  font-size:20px;margin-bottom:10px;
}
.ib-blue{background:var(--primary-soft);color:var(--primary-dark)}
.ib-green{background:var(--success-soft);color:var(--success)}
.ib-purple{background:var(--purple-soft);color:var(--purple)}
.ib-warn{background:var(--warn-soft);color:var(--warn)}
.ib-danger{background:var(--danger-soft);color:var(--danger)}

/* ==== Section ==== */
.section-title{
  display:flex;align-items:center;gap:10px;margin:36px 0 16px;
  font-size:19px;font-weight:700;
}
.section-title .tag{
  background:var(--primary-soft);color:var(--primary-dark);
  padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;
}

/* ==== Buttons ==== */
.btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 18px;border-radius:10px;border:1px solid var(--border);
  background:#fff;font-weight:600;font-size:14px;transition:.15s;
}
.btn:hover{background:var(--panel-2)}
.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn.primary:hover{background:var(--primary-dark);border-color:var(--primary-dark)}
.btn.ghost{background:transparent}
.btn.danger{background:var(--danger);color:#fff;border-color:var(--danger)}
.btn.success{background:var(--success);color:#fff;border-color:var(--success)}
.btn.sm{padding:6px 12px;font-size:13px;border-radius:8px}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ==== Progress bar ==== */
.progress{width:100%;height:6px;background:var(--border);border-radius:999px;overflow:hidden;margin-top:6px}
.progress > i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--purple));border-radius:inherit;transition:.3s}

/* ==== Chips ==== */
.chip{
  display:inline-flex;align-items:center;gap:4px;
  padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;
  background:var(--panel-2);color:var(--muted);border:1px solid var(--border);
}
.chip.blue{background:var(--primary-soft);color:var(--primary-dark);border-color:transparent}
.chip.green{background:var(--success-soft);color:var(--success);border-color:transparent}
.chip.purple{background:var(--purple-soft);color:var(--purple);border-color:transparent}
.chip.warn{background:var(--warn-soft);color:var(--warn);border-color:transparent}
.chip.danger{background:var(--danger-soft);color:var(--danger);border-color:transparent}

/* ==== Exam page ==== */
.exam-layout{display:grid;grid-template-columns:260px 1fr;gap:22px}
@media(max-width:900px){
  .exam-layout{grid-template-columns:1fr}
  /* 모바일: 사이드바는 문제 아래로 배치(메인 먼저) */
  .exam-sidebar{
    position:static !important;top:auto !important;padding:12px !important;
    order:2; /* main(order 없음=0) 다음에 표시 */
  }
  .exam-main{order:1}
  /* 모바일: 기본적으로 문제번호 grid는 접힘 */
  .exam-sidebar h4{cursor:pointer;user-select:none;margin-bottom:6px !important;
    display:flex;align-items:center;justify-content:space-between}
  .exam-sidebar h4::after{content:"▼";font-size:11px;color:var(--muted)}
  .exam-sidebar.qgrid-open h4::after{content:"▲"}
  .q-grid{max-height:0;overflow:hidden;padding:0;transition:max-height .2s ease;border:0}
  .exam-sidebar.qgrid-open .q-grid{
    max-height:260px;overflow-y:auto;padding:6px;
    border:1px solid var(--border);border-radius:8px;background:var(--panel-2);
  }
}

.exam-sidebar{
  background:var(--panel);border:1px solid var(--border);
  border-radius:var(--radius);padding:18px;height:fit-content;
  position:sticky;top:80px;box-shadow:var(--shadow);
}
.exam-sidebar h4{margin:0 0 10px;font-size:13px;color:var(--muted);
  text-transform:uppercase;letter-spacing:.5px}
.q-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:2px;display:none}
.q-grid button{
  aspect-ratio:1;border:1px solid var(--border);background:var(--panel);color:var(--text);
  border-radius:4px;font-weight:600;font-size:9px;padding:0;
  transition:.1s;position:relative;
}
.q-grid button:hover{border-color:var(--primary)}
.q-grid button.current{background:var(--primary);color:#fff;border-color:var(--primary)}
.q-grid button.correct{background:var(--success-soft);color:var(--success);border-color:var(--success)}
.q-grid button.wrong{background:var(--danger-soft);color:var(--danger);border-color:var(--danger)}
.q-grid button.answered{background:var(--primary-soft);color:var(--primary-dark);border-color:var(--primary)}
.q-grid button.has-img::before{
  content:"📷";position:absolute;top:-2px;right:-2px;font-size:9px;
  background:var(--panel);border-radius:50%;padding:1px 2px;line-height:1;
  border:1px solid var(--border);
}
.q-grid button.bookmarked::after{
  content:"★";position:absolute;bottom:-3px;right:-2px;color:var(--purple);
  font-size:10px;line-height:1;
}

.exam-main{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 32px;box-shadow:var(--shadow);min-height:400px;
}
.exam-head{
  display:flex;justify-content:space-between;align-items:center;
  padding-bottom:14px;border-bottom:1px solid var(--border);margin-bottom:18px;
  flex-wrap:wrap;gap:12px;
}
.exam-head .left{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.qnum{font-size:20px;font-weight:800;color:var(--primary-dark)}
.exam-question{
  font-size:17px;font-weight:600;margin-bottom:14px;line-height:1.6;
}
.exam-passages{
  background:var(--passage-bg);border-left:3px solid var(--primary);padding:14px 18px;
  border-radius:4px;margin-bottom:18px;font-size:15px;
}
.exam-passages p{margin:0 0 8px}.exam-passages p:last-child{margin:0}

.choices{display:flex;flex-direction:column;gap:10px;margin-bottom:22px}
.choice{
  display:flex;gap:12px;padding:14px 18px;border:1.5px solid var(--border);
  border-radius:10px;background:var(--choice-bg);cursor:pointer;transition:.12s;
  align-items:flex-start;min-height:44px;
}
.choice:hover{border-color:var(--primary);background:var(--choice-hover-bg)}
.choice.selected{border-color:var(--primary);background:var(--primary-soft)}
.choice.correct{border-color:var(--success);background:var(--success-soft)}
.choice.wrong{border-color:var(--danger);background:var(--danger-soft)}
.choice .n{
  min-width:26px;height:26px;border-radius:50%;background:var(--panel-2);
  display:grid;place-items:center;font-weight:700;font-size:13px;flex-shrink:0;
}
.choice.selected .n{background:var(--primary);color:#fff}
.choice.correct .n{background:var(--success);color:#fff}
.choice.wrong .n{background:var(--danger);color:#fff}
.choice .txt{flex:1;line-height:1.55}

.exam-actions{display:flex;gap:10px;flex-wrap:wrap;padding-top:18px;border-top:1px solid var(--border)}
.exam-actions .spacer{flex:1}

.exam-images{
  display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px;
  padding:14px;background:var(--images-bg);border:1px solid var(--border);border-radius:8px;
}
.exam-images .q-img{margin:0}
.exam-images img{
  max-width:100%;max-height:340px;border-radius:6px;
  background:#fff;padding:6px;box-shadow:var(--shadow);cursor:zoom-in;
  transition:.2s;
}
.exam-images img:hover{transform:scale(1.02);box-shadow:0 4px 20px -6px rgba(15,23,42,.25)}

.choice-img{
  display:block;margin-top:8px;max-width:280px;max-height:180px;
  border:1px solid var(--border);border-radius:6px;background:#fff;
  padding:4px;cursor:zoom-in;
}
.choice-img:hover{border-color:var(--primary)}

.explanation{
  margin-top:18px;padding:16px 18px;background:var(--success-soft);
  border-left:4px solid var(--success);border-radius:4px;
}
.explanation.wrong{background:var(--danger-soft);border-left-color:var(--danger)}
.explanation h5{margin:0 0 6px;font-size:13px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted)}
.explanation p{margin:0;font-weight:600;font-size:15px}
.explanation .kw{margin-top:10px;display:flex;flex-wrap:wrap;gap:6px}

.exam-progress{padding:14px 0;border-bottom:1px solid var(--border);margin-bottom:18px}
.exam-progress .info{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:6px}

/* ==== Table ==== */
.table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.table th,.table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--border);font-size:14px}
.table th{background:var(--panel-2);font-weight:700;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.3px}
.table tbody tr:hover{background:var(--panel-2);cursor:pointer}
.table tbody tr:last-child td{border-bottom:none}

/* ==== Keyword tag cloud ==== */
.kw-cloud{display:flex;flex-wrap:wrap;gap:8px}
.kw-cloud .chip{cursor:pointer;transition:.15s}
.kw-cloud .chip:hover{background:var(--primary-soft);color:var(--primary-dark);border-color:transparent}

/* ==== Empty ==== */
.empty{
  text-align:center;padding:60px 20px;color:var(--muted);
  background:#fff;border-radius:var(--radius);border:1px dashed var(--border);
}
.empty .big{font-size:44px;margin-bottom:10px;opacity:.4}

/* ==== Tabs ==== */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:18px}
.tabs button{
  background:transparent;border:none;padding:10px 18px;font-size:14px;font-weight:600;
  color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px;
}
.tabs button.active{color:var(--primary-dark);border-color:var(--primary)}
.tabs button:hover{color:var(--text)}

/* ==== Charts container ==== */
.chart-box{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow);
}
.chart-box h4{margin:0 0 14px;font-size:15px;font-weight:700}
.chart-box .wrap{position:relative;height:260px}

.footer{
  text-align:center;color:var(--muted);font-size:13px;
  padding:40px 20px;border-top:1px solid var(--border);margin-top:40px;
}

.search{
  width:100%;padding:12px 16px;border:1.5px solid var(--border);
  border-radius:10px;font-size:14px;background:#fff;outline:none;transition:.15s;
}
.search:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}

.select{
  padding:8px 14px;border:1px solid var(--border);border-radius:8px;
  background:#fff;font-size:14px;font-weight:600;cursor:pointer;
}

.filter-bar{
  display:flex;gap:10px;flex-wrap:wrap;align-items:center;
  background:var(--panel);padding:14px 18px;border-radius:var(--radius);
  border:1px solid var(--border);box-shadow:var(--shadow);margin-bottom:18px;
}
.filter-bar label{font-size:13px;color:var(--muted);font-weight:600}

/* ==== Dark-mode compensations for hard-coded whites ==== */
html[data-theme="dark"] .btn{background:var(--panel);color:var(--text)}
html[data-theme="dark"] .btn:hover{background:var(--panel-2)}
html[data-theme="dark"] .search{background:var(--panel);color:var(--text)}
html[data-theme="dark"] .select{background:var(--panel);color:var(--text)}
html[data-theme="dark"] .table{background:var(--panel);color:var(--text)}
html[data-theme="dark"] .exam-images img{background:var(--panel-2)}
html[data-theme="dark"] .choice-img{background:var(--panel-2)}

/* ==== Header right-side actions ==== */
.header-actions{display:flex;gap:6px;align-items:center;margin-left:8px}
.icon-btn{
  background:transparent;border:1px solid var(--border);
  width:36px;height:36px;min-width:36px;border-radius:8px;
  display:grid;place-items:center;cursor:pointer;color:var(--muted);
  transition:.15s;font-size:16px;padding:0;
}
.icon-btn:hover{background:var(--panel-2);color:var(--text);border-color:var(--primary)}
@media(max-width:600px){.site-header .inner{flex-wrap:wrap;gap:10px;padding:10px 14px}
  .nav{order:3;width:100%}.nav a{padding:8px 10px;font-size:13px}}

/* ==== Modal ==== */
.modal-overlay{
  position:fixed;inset:0;background:rgba(15,23,42,.55);z-index:200;
  display:grid;place-items:center;padding:20px;
  opacity:0;pointer-events:none;transition:opacity .2s ease;
}
.modal-overlay.open{opacity:1;pointer-events:auto}
.modal{
  background:var(--panel);color:var(--text);border-radius:var(--radius);
  max-width:520px;width:100%;padding:26px 28px;box-shadow:0 20px 60px -10px rgba(0,0,0,.4);
  max-height:85vh;overflow:auto;border:1px solid var(--border);
}
.modal h3{margin:0 0 14px;font-size:18px}
.modal .close{float:right;background:transparent;border:none;font-size:20px;
  color:var(--muted);cursor:pointer;padding:0;line-height:1}
.modal kbd{
  display:inline-block;padding:2px 8px;border-radius:5px;
  background:var(--panel-2);border:1px solid var(--border);
  font-family:ui-monospace,Menlo,monospace;font-size:12px;
  box-shadow:0 1px 0 var(--border);min-width:22px;text-align:center;
}
.shortcut-list{display:grid;grid-template-columns:auto 1fr;gap:10px 18px;margin-top:8px}
.shortcut-list .keys{white-space:nowrap}

/* ==== Timer chip (exam mode) ==== */
.timer-chip{
  display:inline-flex;align-items:center;gap:5px;
  padding:5px 12px;border-radius:999px;font-weight:700;font-size:13px;
  background:var(--warn-soft);color:var(--warn);border:1px solid var(--warn);
  font-variant-numeric:tabular-nums;
}
.timer-chip.low{background:var(--danger-soft);color:var(--danger);border-color:var(--danger);animation:pulse 1.2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.6}}

/* ==== Exam mode banner ==== */
.exam-banner{
  background:linear-gradient(135deg, #1e3a8a 0%, #5b21b6 100%);
  color:#fff;border-radius:12px;margin-bottom:20px;
  padding:12px 18px;box-shadow:var(--shadow);
}
html[data-theme="dark"] .exam-banner{background:linear-gradient(135deg, #1e40af 0%, #6d28d9 100%)}
.exam-banner-inner{
  display:flex;justify-content:space-between;align-items:center;
  gap:14px;flex-wrap:wrap;
}
.exam-banner .desc{color:rgba(255,255,255,.85)}
.exam-banner .timer-chip{background:rgba(255,255,255,.2);color:#fff;border-color:rgba(255,255,255,.4)}
.exam-banner .btn{background:#fff;color:#1e3a8a;border-color:#fff}
.exam-banner .btn.primary{background:#fde047;color:#111;border-color:#fde047}
.exam-banner .btn:disabled{opacity:.6;cursor:not-allowed}

/* ==== Toast ==== */
.toast{
  position:fixed;left:50%;bottom:36px;transform:translate(-50%,20px);
  background:var(--text);color:var(--panel);padding:10px 20px;border-radius:999px;
  font-size:13px;font-weight:600;z-index:300;opacity:0;pointer-events:none;
  transition:.25s;box-shadow:0 8px 28px -10px rgba(0,0,0,.4);
}
.toast.show{opacity:.95;transform:translate(-50%,0)}

/* ==== 시험 결과 모달 ==== */
.modal.exam-result{max-width:640px}
.modal.exam-result .result-header{
  display:flex;align-items:center;gap:22px;
  padding:14px;background:var(--panel-2);border:1px solid var(--border);
  border-radius:12px;margin-bottom:16px;
}
.modal.exam-result .result-ring{
  width:108px;height:108px;flex:0 0 108px;border-radius:50%;
  display:grid;place-items:center;position:relative;
  background:conic-gradient(var(--primary) calc(var(--pct,0)*1%), var(--border) 0);
}
.modal.exam-result .result-ring::after{
  content:"";position:absolute;inset:10px;border-radius:50%;background:var(--panel);
}
.modal.exam-result .result-ring span{
  position:relative;z-index:1;font-weight:800;font-size:20px;color:var(--text);
  font-variant-numeric:tabular-nums;
}
.modal.exam-result .result-stats .big{font-size:17px;margin-bottom:4px}
.modal.exam-result .result-stats .big strong{color:var(--primary);font-size:22px}
.modal.exam-result .pass-status{margin-top:8px;font-weight:700;font-size:13px}
.modal.exam-result .pass-status.ok{color:var(--success)}
.modal.exam-result .pass-status.ng{color:var(--danger)}
.modal.exam-result .result-table{
  width:100%;border-collapse:collapse;margin-bottom:14px;
  font-size:13px;
}
.modal.exam-result .result-table th,
.modal.exam-result .result-table td{
  padding:8px 10px;border-bottom:1px solid var(--border);text-align:left;
}
.modal.exam-result .result-table th{
  background:var(--panel-2);font-weight:700;color:var(--muted);
}
.modal.exam-result .result-table td.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.modal.exam-result .result-table td.ok{color:var(--success);font-weight:700}
.modal.exam-result .result-table td.warn{color:var(--warn);font-weight:700}
.modal.exam-result .result-table td.ng{color:var(--danger);font-weight:700}
.modal.exam-result .result-table tr.fail td:first-child::after{
  content:" · 과락";color:var(--danger);font-weight:700;font-size:11px;
}
.modal.exam-result .wrong-details{
  margin-top:10px;border:1px solid var(--border);border-radius:10px;
  background:var(--panel-2);padding:10px 14px;
}
.modal.exam-result .wrong-details summary{cursor:pointer;font-weight:700;font-size:13px;color:var(--text)}
.modal.exam-result .wrong-details summary:hover{color:var(--primary)}
.modal.exam-result .wrong-list{
  list-style:none;padding:10px 0 0;margin:0;max-height:260px;overflow:auto;
  display:flex;flex-direction:column;gap:4px;
}
.modal.exam-result .wrong-list li a{
  display:block;padding:6px 8px;border-radius:6px;
  text-decoration:none;color:var(--text);font-size:12px;
  transition:.15s;
}
.modal.exam-result .wrong-list li a:hover{background:var(--danger-soft);color:var(--danger)}
.modal.exam-result .exam-result-actions{
  display:flex;gap:8px;justify-content:flex-end;margin-top:14px;flex-wrap:wrap;
}
@media(max-width:600px){
  .modal.exam-result .result-header{flex-direction:column;text-align:center}
  .modal.exam-result .exam-result-actions{flex-direction:column}
  .modal.exam-result .exam-result-actions .btn{width:100%;text-align:center}
}

/* Reduced motion */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition:none!important}
}

/* ──────────────────────────────────────────────────────
   Learning Progress (SVG Ring + Subject Bars)
   ────────────────────────────────────────────────────── */
.lp-coverage{display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center;padding:24px 22px}
.lp-ring-wrap{display:flex;flex-direction:column;align-items:center;gap:6px}
.lp-ring{--lp-ring-circ:360}
.lp-ring-bg{stroke:var(--border)}
.lp-ring-fg{stroke:var(--primary);animation:lp-ring-fill .9s cubic-bezier(.22,.61,.36,1) both}
.lp-ring-label{fill:var(--text);font-size:24px;font-weight:800;animation:lp-ring-count .6s ease .2s both}
.lp-ring-sub{color:var(--muted);font-size:12px;font-weight:600}
.lp-bars{display:flex;flex-direction:column;gap:10px}
.lp-bar-row{display:flex;flex-direction:column;gap:4px}
.lp-bar-label{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);font-weight:600}
.lp-bar{height:8px;background:var(--border);border-radius:999px;overflow:hidden}
.lp-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-dark));border-radius:999px;animation:lp-bar-grow .7s cubic-bezier(.22,.61,.36,1) both}
@keyframes lp-ring-fill{from{stroke-dashoffset:var(--lp-ring-circ,360)}}
@keyframes lp-ring-count{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}
@keyframes lp-bar-grow{from{width:0!important}}
@media(max-width:640px){.lp-coverage{grid-template-columns:1fr;text-align:center}.lp-bars{text-align:left}}

/* ──────────────────────────────────────────────────────
   Recommendation Card — 오늘의 10문항
   ────────────────────────────────────────────────────── */
.recom-card{padding:24px 22px}
.recom-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.recom-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px;margin-bottom:16px}
.recom-item{display:flex;gap:10px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;text-decoration:none;color:var(--text);transition:.15s}
.recom-item:hover{border-color:var(--primary);background:var(--panel-2);transform:translateY(-1px)}
.recom-n{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:8px;background:var(--purple-soft);color:var(--purple);font-weight:800;font-size:13px;flex-shrink:0}
.recom-body{flex:1;min-width:0}
.recom-q{font-size:13px;line-height:1.45;color:var(--text);overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.recom-meta{font-size:11px;color:var(--muted);font-weight:600;margin-top:4px}
.recom-actions{display:flex;gap:8px;flex-wrap:wrap}

/* ──────────────────────────────────────────────────────
   Resume Card — 이어하기
   ────────────────────────────────────────────────────── */
.resume-card{margin-bottom:20px;padding:20px 22px}
.resume-head{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.resume-head .icon-badge{margin-bottom:0}
.resume-actions{display:flex;gap:8px;flex-wrap:wrap}

/* Section title tag variants (purple/green/warn) */
.section-title .tag.purple{background:var(--purple-soft);color:var(--purple)}
.section-title .tag.green{background:var(--success-soft);color:var(--success)}
.section-title .tag.warn{background:var(--warn-soft);color:var(--warn)}

/* Sort tabs for 오답/즐겨찾기 (dashboard 사용) */
.sort-tabs{display:inline-flex;gap:4px;padding:3px;background:var(--panel-2);border-radius:10px;border:1px solid var(--border)}
.sort-tab{padding:5px 12px;border-radius:7px;font-size:12px;font-weight:600;color:var(--muted);background:transparent;border:none;cursor:pointer;transition:.15s}
.sort-tab:hover{color:var(--text)}
.sort-tab.active{background:var(--primary);color:#fff}

/* Button sm/light variants */
.btn-sm{padding:6px 12px;font-size:12px}
.btn-light{background:var(--panel-2);color:var(--text);border:1px solid var(--border)}
.btn-light:hover{background:var(--border);color:var(--primary)}

/* ──────────────────────────────────────────────────────
   Subject Keywords — 과목별 키워드 상위 20 (막대차트)
   ────────────────────────────────────────────────────── */
.sk-card{padding:20px 18px}
.sk-head{display:flex;gap:12px;align-items:center;margin-bottom:14px}
.sk-head h3{margin:0;font-size:15px}
.sk-head .desc{font-size:12px;margin:2px 0 0}
.sk-list{display:flex;flex-direction:column;gap:2px}
.sk-row{display:grid;grid-template-columns:28px 1fr 100px 40px;align-items:center;gap:10px;padding:6px 8px;border-radius:8px;text-decoration:none;color:var(--text);transition:.15s;font-size:13px}
.sk-row:hover{background:var(--panel-2);color:var(--primary)}
.sk-rank{font-size:11px;color:var(--muted);font-weight:700;text-align:center;background:var(--panel-2);border-radius:6px;padding:2px 4px}
.sk-name{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sk-bar{background:var(--border);border-radius:999px;overflow:hidden;height:6px}
.sk-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--purple));border-radius:999px}
.sk-count{font-size:11px;color:var(--muted);text-align:right;font-weight:600}
.sk-more{margin-top:10px;border-top:1px dashed var(--border);padding-top:10px}
.sk-more summary{cursor:pointer;font-size:12px;color:var(--primary);font-weight:600;padding:6px 8px;border-radius:6px;list-style:none}
.sk-more summary::-webkit-details-marker{display:none}
.sk-more summary::before{content:"▸ ";transition:.15s}
.sk-more[open] summary::before{content:"▾ "}
.sk-more summary:hover{background:var(--panel-2)}
@media(max-width:640px){.sk-row{grid-template-columns:24px 1fr 60px 30px;gap:6px;font-size:12px}}

/* hide question-number sidebar label since grid is hidden */
.exam-sidebar h4{display:none !important}

/* Korean word-break fix: prevent mid-word wrap on hero/cards */
body, .hero p, .desc, .card p, .card .desc { word-break: keep-all; overflow-wrap: break-word; }

/* Compact first screen: keep practice entry visible without scrolling */
.container {
  padding-top: 16px;
}

.hero {
  padding: 24px 30px;
  margin-bottom: 16px;
  border-radius: 12px;
}

.hero::after {
  width: 150px;
  height: 150px;
  right: -38px;
  bottom: -38px;
}

.hero h1 {
  font-size: 26px;
  margin-bottom: 4px;
  letter-spacing: 0;
}

.hero p {
  font-size: 14px;
  line-height: 1.55;
}

.hero .badges {
  margin-top: 10px;
  gap: 8px;
}

.hero .badges span {
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 12px;
}

.section-title {
  margin: 18px 0 10px;
  font-size: 17px;
}

.grid {
  gap: 12px;
}

.card {
  padding: 16px;
}

.icon-badge {
  display: none;
}

@media(max-width:600px) {
  .container {
    padding: 14px 14px 44px;
  }

  .hero {
    padding: 22px 18px;
    margin-bottom: 14px;
  }

  .hero h1 {
    font-size: 22px;
  }

  .hero p {
    font-size: 13px;
  }
}