/* ============================================================
   ASTB-E Prep — app.css
   디자인 토큰·컴포넌트는 AFOQT Master(afoqt-vocab)의 app.css에서 가져왔다.
   맨 아래 'ASTB 전용' 블록이 이 앱에서 새로 추가한 스타일.
   ============================================================ */
/* --- from afoqt-vocab app.css L1-135 --- */
:root{
  --bg:#0f172a; --bg2:#1e293b; --card:#1e293b; --card2:#334155;
  --txt:#e2e8f0; --muted:#94a3b8; --line:#334155;
  --brand:#6366f1; --brand2:#06b6d4; --ok:#22c55e; --warn:#f59e0b; --bad:#ef4444;
  --gold:#fbbf24;
  --shadow:0 6px 24px rgba(0,0,0,.35);
  --radius:18px;
  --safe-b:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--txt);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans KR",sans-serif;
  -webkit-font-smoothing:antialiased; overscroll-behavior-y:none;
  padding-bottom:calc(72px + var(--safe-b));
}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
a{color:var(--brand2)}
.hidden{display:none!important}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;
  overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}

/* ---------- App header ---------- */
.appbar{
  position:sticky;top:0;z-index:30;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:14px 16px calc(14px);
  background:linear-gradient(180deg,rgba(15,23,42,.96),rgba(15,23,42,.78));
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
}
.appbar h1{font-size:17px;margin:0;font-weight:700;letter-spacing:.2px}
.appbar .sub{font-size:11px;color:var(--muted);font-weight:500}
.sync-dot{width:9px;height:9px;border-radius:50%;background:var(--muted);flex:0 0 auto}
.sync-dot.on{background:var(--ok);box-shadow:0 0 8px var(--ok)}
.sync-dot.syncing{background:var(--gold);box-shadow:0 0 8px var(--gold)}
.sync-dot.off{background:var(--muted)}
.sync-dot.err{background:var(--bad)}
.icon-btn{padding:8px;border-radius:10px;font-size:18px;color:var(--muted)}
.icon-btn:active{background:var(--card2)}

/* ---------- Layout ---------- */
.view{padding:16px;max-width:680px;margin:0 auto;display:none;animation:fade .25s ease}
.view.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.row{display:flex;gap:12px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.card.tight{padding:14px}
.stat{display:flex;flex-direction:column;gap:2px;align-items:center;text-align:center}
.stat .num{font-size:24px;font-weight:800}
.stat .lbl{font-size:11px;color:var(--muted)}

h2.section{font-size:14px;color:var(--muted);font-weight:600;margin:22px 4px 10px;text-transform:uppercase;letter-spacing:.6px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 18px;border-radius:14px;font-weight:700;font-size:15px;
  background:var(--card2);color:var(--txt);transition:transform .05s,filter .15s;width:100%}
.btn:active{transform:scale(.98)}
.btn.primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}
.btn.ghost{background:transparent;border:1px solid var(--line)}
.btn.sm{padding:9px 12px;font-size:13px;width:auto;border-radius:10px}
.btn:disabled{opacity:.45}

/* ---------- Home / dashboard ---------- */
.hero{background:linear-gradient(135deg,#312e81,#0e7490);border:none;position:relative;overflow:hidden}
.hero .days{font-size:46px;font-weight:900;line-height:1}
.hero .days small{font-size:16px;font-weight:600;opacity:.85}
.hero .goal-line{font-size:13px;opacity:.9;margin-top:8px}
.ring-wrap{display:flex;align-items:center;gap:18px}
.ring{--p:0;width:96px;height:96px;border-radius:50%;flex:0 0 auto;
  background:conic-gradient(var(--brand2) calc(var(--p)*1%), #ffffff22 0);
  display:grid;place-items:center;position:relative}
.ring::before{content:"";position:absolute;inset:9px;border-radius:50%;background:#1e293b}
.ring .v{position:relative;text-align:center}
.ring .v b{font-size:22px;font-weight:800}
.ring .v span{font-size:10px;color:var(--muted);display:block}
.flame{font-size:15px}
.pill{display:inline-flex;align-items:center;gap:6px;background:var(--card2);
  padding:6px 11px;border-radius:999px;font-size:12px;font-weight:600}

.progressbar{height:9px;background:#ffffff1a;border-radius:999px;overflow:hidden;margin-top:10px}
.progressbar>i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--brand2));width:0;transition:width .4s}

/* ---------- Flashcard ---------- */
.study-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;font-size:13px;color:var(--muted)}
.flash{min-height:60vh;display:flex;flex-direction:column;justify-content:center;align-items:center;
  text-align:center;padding:26px 20px;background:var(--card);border:1px solid var(--line);
  border-radius:24px;box-shadow:var(--shadow);position:relative}
.flash .word{font-size:38px;font-weight:800;letter-spacing:.5px;word-break:break-word}
.flash .pos{margin-top:8px;color:var(--brand2);font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:1px}
.flash .reveal{margin-top:20px;width:100%;border-top:1px solid var(--line);padding-top:18px;text-align:left}
.flash .kor{font-size:22px;font-weight:700;margin-bottom:10px}
.flash .def{color:var(--muted);font-size:14px;line-height:1.5;margin-bottom:12px}
.flash .ex{font-size:14px;font-style:italic;color:#cbd5e1;line-height:1.5;border-left:3px solid var(--brand);padding-left:10px;margin-bottom:12px}
.flash .syn{display:flex;flex-wrap:wrap;gap:6px}
.flash .syn span{background:var(--card2);padding:5px 10px;border-radius:999px;font-size:12px}
.flash .ana{margin-top:10px;font-size:12px;color:var(--muted);font-family:ui-monospace,monospace;line-height:1.6}
.tap-hint{margin-top:18px;color:var(--muted);font-size:13px}
.star-btn{position:absolute;top:14px;right:16px;font-size:20px;color:var(--muted)}
.star-btn.on{color:var(--gold)}

.grade{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:14px}
.grade button{padding:14px 4px;border-radius:14px;font-weight:700;font-size:14px;color:#fff;display:flex;flex-direction:column;gap:3px;align-items:center}
.grade .g-again{background:#dc2626}.grade .g-hard{background:#d97706}
.grade .g-good{background:#2563eb}.grade .g-easy{background:#16a34a}
.grade small{font-size:10px;font-weight:600;opacity:.85}

/* ---------- Quiz ---------- */
.q-prompt{font-size:13px;color:var(--muted);margin-bottom:6px}
.q-word{font-size:26px;font-weight:800;margin-bottom:18px;word-break:break-word}
.choices{display:flex;flex-direction:column;gap:10px}
.choice{padding:15px 16px;border-radius:14px;background:var(--card2);text-align:left;font-size:15px;border:2px solid transparent;line-height:1.4}
.choice.sel{border-color:var(--brand);background:#6366f122}
.choice.correct{border-color:var(--ok);background:#16a34a22}
.choice.wrong{border-color:var(--bad);background:#dc262622}
.choice:disabled{opacity:1}

/* ---------- Word list ---------- */
.search{width:100%;padding:13px 14px;border-radius:12px;background:var(--card);border:1px solid var(--line);color:var(--txt);font-size:15px;margin-bottom:12px}
.filters{display:flex;gap:8px;overflow-x:auto;padding-bottom:8px;margin-bottom:6px;-ms-overflow-style:none;scrollbar-width:none}
.filters::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;padding:8px 14px;border-radius:999px;background:var(--card);border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--muted)}
.chip.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.wlist{display:flex;flex-direction:column;gap:8px}
.witem{display:flex;align-items:center;gap:12px;padding:13px 14px;background:var(--card);border:1px solid var(--line);border-radius:14px}
.witem .w{font-weight:700;font-size:16px}
.witem .k{font-size:13px;color:var(--muted)}
.witem .tag{margin-left:auto;font-size:10px;padding:3px 8px;border-radius:999px;font-weight:700}
.tag.new{background:#475569;color:#cbd5e1}.tag.learning{background:#d9770633;color:#fbbf24}
.tag.review{background:#2563eb33;color:#93c5fd}.tag.mastered{background:#16a34a33;color:#86efac}

/* --- from afoqt-vocab app.css L188-215 --- */
/* ---------- Stats ---------- */
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:5px;margin-top:6px}
.cal .d{aspect-ratio:1;border-radius:7px;background:var(--card2);display:grid;place-items:center;font-size:10px;color:var(--muted);position:relative}
.cal .d.met{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:700}
.cal .d.partial{background:#6366f155}
.cal .d.today{outline:2px solid var(--gold);outline-offset:1px}
.cal .dow{aspect-ratio:auto;font-size:10px;color:var(--muted);background:none}

/* ---------- Modal / sheet ---------- */
.sheet-bg{position:fixed;inset:0;background:#000a;z-index:50;display:none;align-items:flex-end}
.sheet-bg.open{display:flex}
.sheet{background:var(--bg2);width:100%;max-width:680px;margin:0 auto;border-radius:22px 22px 0 0;
  padding:20px 18px calc(20px + var(--safe-b));max-height:88vh;overflow:auto;border-top:1px solid var(--line)}
.sheet h3{margin:0 0 4px}
.field{margin-top:16px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:600}
.field input,.field select{width:100%;padding:12px;border-radius:10px;background:var(--card);border:1px solid var(--line);color:var(--txt);font-size:15px}
.hintbox{font-size:12px;color:var(--muted);line-height:1.6;background:var(--card);padding:12px;border-radius:10px;margin-top:8px;border:1px solid var(--line)}
.code-val{font-family:ui-monospace,monospace;background:var(--card);padding:10px 12px;border-radius:10px;font-size:13px;word-break:break-all;border:1px solid var(--line)}

/* ---------- Bottom nav ---------- */
.nav{position:fixed;left:0;right:0;bottom:0;z-index:40;
  display:flex;background:rgba(30,41,59,.96);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);padding-bottom:var(--safe-b)}
.nav button{flex:1;padding:9px 0 8px;display:flex;flex-direction:column;align-items:center;gap:3px;color:var(--muted);font-size:10px;font-weight:600}
.nav button .ic{font-size:21px;line-height:1}
.nav button.on{color:var(--brand2)}

/* --- from afoqt-vocab app.css L222-225 --- */
.motiv{font-size:13.5px;line-height:1.5;padding:13px 15px}
.motiv.todo{border-left:3px solid var(--warn);background:linear-gradient(90deg,#f59e0b18,var(--card))}
.motiv.done{border-left:3px solid var(--ok);background:linear-gradient(90deg,#16a34a18,var(--card))}
.motiv:empty{display:none}
/* --- from afoqt-vocab app.css L266-298 --- */
/* ---------- misc ---------- */
/* Inline math (fmtMath): keep exponents/subscripts tight so they don't stretch lines */
sup,sub{font-size:.72em;line-height:0}
sup{vertical-align:.55em}
sub{vertical-align:-.25em}
.center{text-align:center}
.muted{color:var(--muted)}
.big-emoji{font-size:54px}
.toast{position:fixed;bottom:calc(86px + var(--safe-b));left:50%;transform:translateX(-50%);
  background:#0b1220;border:1px solid var(--line);color:var(--txt);padding:11px 18px;border-radius:999px;
  font-size:13px;z-index:60;box-shadow:var(--shadow);opacity:0;transition:opacity .2s,transform .2s;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(-4px)}
.spinner{width:34px;height:34px;border:3px solid var(--line);border-top-color:var(--brand2);border-radius:50%;animation:spin 1s linear infinite;margin:40px auto}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- section cards (home) ---------- */
.seccard{display:flex;align-items:center;gap:14px;padding:15px;margin-top:10px;background:var(--card);
  border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
.seccard:active{transform:scale(.99)}
.seccard .ic{font-size:26px;flex:0 0 auto}
.seccard .meta{flex:1;min-width:0}
.seccard .meta b{font-size:15px}
.seccard .go{font-size:24px;color:var(--muted)}
.progressbar.mini{height:6px;margin-top:8px}

/* ---------- switches ---------- */
.switch-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;font-size:14px;font-weight:600}
.switch-row+.switch-row{border-top:1px solid var(--line)}
.switch-row input{width:46px;height:26px;-webkit-appearance:none;appearance:none;background:var(--card2);border-radius:999px;position:relative;cursor:pointer;flex:0 0 auto;transition:background .2s}
.switch-row input:checked{background:var(--brand)}
.switch-row input::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:left .2s}
.switch-row input:checked::after{left:23px}

/* --- from afoqt-vocab app.css L305-315 --- */
/* ---------- reading ---------- */
.passage{font-size:15.5px;line-height:1.75;white-space:pre-wrap}
.passage h3{margin:0 0 4px;font-size:18px}
.rc-topic{display:inline-block;font-size:11px;font-weight:700;color:var(--brand2);text-transform:uppercase;letter-spacing:.6px;margin-bottom:8px}
.rc-q{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;margin-bottom:12px}
.rc-q .qt{font-weight:700;margin-bottom:4px;font-size:11px;color:var(--muted);text-transform:uppercase}
.rc-q .qq{font-weight:600;margin-bottom:12px;line-height:1.4}
.witem .src{margin-left:6px;font-size:10px;font-weight:700;color:var(--brand2)}
.tag.high{background:#fbbf2433;color:var(--gold)}
.done-check{margin-left:auto;color:var(--ok);font-size:18px}

/* --- from afoqt-vocab app.css L316-413 --- */
/* ---------- exam (실전 모의고사) ---------- */
.exam-preset{display:flex;align-items:center;gap:14px;width:100%;text-align:left;
  background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;margin-bottom:12px}
.exam-preset:active{transform:scale(.99)}
.exam-preset .ic{font-size:26px;flex:0 0 auto}
.exam-preset .meta b{font-size:16px}
.exam-preset .meta .muted{font-size:12px;margin-top:2px}
.exam-preset .meta .last{font-size:11px;color:var(--brand2);margin-top:3px}
.exam-preset .go{margin-left:auto;color:var(--muted);font-size:20px}
.exam-bar-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px}
.exam-timer{font-variant-numeric:tabular-nums;font-weight:800;font-size:20px;
  background:var(--card2);padding:6px 14px;border-radius:999px;letter-spacing:.5px}
.exam-timer.warn{background:#dc262633;color:#fca5a5;animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.55}}
.exam-sec{display:inline-block;font-size:10px;font-weight:800;letter-spacing:.6px;
  color:var(--brand2);border:1px solid var(--brand2);border-radius:6px;padding:1px 7px;margin-bottom:10px}
/* 문항별 스톱워치 칩 — 목표(실전 배분) 초과 시 경고색 */
.qtime{float:right;font-size:11px;font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums}
.qtime.over{color:var(--warn)}
/* 모의고사 섹션 배너 (섹션별 타이머 모드) */
.sec-banner{display:flex;justify-content:space-between;align-items:baseline;gap:8px;flex-wrap:wrap;
  background:linear-gradient(135deg,#6366f122,#06b6d422);border:1px solid var(--brand);
  border-radius:12px;padding:9px 12px;margin-bottom:12px;font-size:13.5px}
.sec-banner .muted{font-size:11.5px}
/* 유형 연습(학습 모드) 즉시 해설 카드 */
.exam-explain{margin-top:14px;border-radius:12px;padding:13px 14px;line-height:1.6;font-size:14px;
  border:1px solid var(--line);background:var(--card2)}
.exam-explain.ok{border-color:var(--ok);background:#16a34a14}
.exam-explain.no{border-color:var(--bad);background:#dc262614}
.exam-explain .ee-head{font-weight:800;font-size:14.5px;margin-bottom:6px}
.exam-explain.ok .ee-head{color:var(--ok)}
.exam-explain.no .ee-head{color:var(--bad)}
.exam-explain .ee-body{color:var(--text);font-size:14px}
.exam-explain .btn{width:100%}
/* 약점 리포트 — 유형별 원탭 드릴 버튼 */
.drillbtn{flex:0 0 auto;background:var(--brand);color:#fff;border:none;border-radius:8px;
  font-size:11.5px;font-weight:700;padding:5px 9px;cursor:pointer}
.drillbtn:active{transform:scale(.96)}
/* 시험 전 요약 시트 */
.cs-sec{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:0 14px;margin-bottom:12px}
.cs-sec summary{cursor:pointer;font-weight:800;font-size:14.5px;padding:13px 0;list-style:none}
.cs-sec summary::-webkit-details-marker{display:none}
.cs-sec summary::after{content:"▾";float:right;color:var(--muted);transition:transform .15s}
.cs-sec:not([open]) summary::after{transform:rotate(-90deg)}
.cs-sec>*:last-child{margin-bottom:13px}
.cs-sub{font-size:12px;font-weight:800;color:var(--brand2);margin:10px 0 4px}
.cs-f{font-size:13.5px;line-height:1.65;padding:4px 0 4px 10px;border-left:2px solid var(--line)}
.cs-table{width:100%;border-collapse:collapse;font-size:13px}
.cs-table td{padding:5.5px 6px;border-bottom:1px solid var(--line);vertical-align:top}
.cs-table tr:last-child td{border-bottom:none}
@media print{
  #nav,.study-top button,.btn{display:none !important}
  body{background:#fff;color:#000}
  .view{display:none} .view.active{display:block}
  .cs-sec{border-color:#ccc;break-inside:avoid}
}
/* 새 버전 배너 */
#updBanner{position:fixed;left:12px;right:12px;bottom:calc(74px + env(safe-area-inset-bottom));z-index:960;
  background:var(--brand);color:#fff;border:none;border-radius:13px;padding:12px 14px;
  font-size:13.5px;font-weight:600;box-shadow:0 6px 22px #0006;cursor:pointer}
/* 첫 진입 온보딩 */
.onboard-overlay{position:fixed;inset:0;z-index:980;background:#0b1220e6;backdrop-filter:blur(3px);
  display:flex;align-items:center;justify-content:center;padding:20px}
.onboard-card{background:var(--card);border:1px solid var(--brand);border-radius:18px;
  padding:22px 18px;max-width:380px;width:100%;text-align:center}
.onboard-card .ob-step{text-align:left;background:var(--bg);border:1px solid var(--line);
  border-radius:12px;padding:10px 12px;margin-top:8px}
.onboard-card .ob-step input[type=date]{width:100%;margin-top:6px;background:var(--card);
  color:var(--text);border:1px solid var(--line);border-radius:9px;padding:8px 10px;font-size:14px}
.exam-prompt{font-weight:700;font-size:16px;line-height:1.45;margin-bottom:6px}
.exam-ko{font-size:13px;color:var(--brand2);line-height:1.5;margin:-2px 0 8px}
.exam-stem{font-size:26px;font-weight:800;text-align:center;letter-spacing:1px;margin:12px 0;color:#fff}
.exam-sub{text-align:center;color:var(--muted);font-size:12px;margin:-6px 0 12px;text-transform:uppercase;letter-spacing:.5px}
.exam-passage{background:var(--card2);border-radius:12px;padding:12px 14px;margin-bottom:14px;font-size:14px}
.exam-passage summary{cursor:pointer;font-weight:700;color:var(--brand2);font-size:13px}
.exam-passage .passage{font-size:14.5px;line-height:1.7;margin-top:10px}
.exam-nav{display:flex;gap:10px;margin-top:18px}
.exam-nav .btn{flex:1}
.exam-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:6px;margin-top:14px}
.exam-grid button{aspect-ratio:1;border-radius:8px;background:var(--card2);font-size:12px;font-weight:700;color:var(--muted)}
.exam-grid button.answered{background:#6366f133;color:var(--txt);border:1px solid var(--brand)}
.exam-grid button.cur{outline:2px solid var(--brand2)}
.exam-scoreline{display:flex;justify-content:space-around;margin:10px 0 4px;flex-wrap:wrap;gap:8px}
.exam-scoreline .s{text-align:center}
.exam-scoreline .s b{display:block;font-size:22px}
.exam-scoreline .s span{font-size:11px;color:var(--muted)}
.review-q{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;margin-bottom:10px;font-size:14px}
.review-q .rh{font-size:11px;font-weight:700;color:var(--muted);margin-bottom:6px}
.review-q .ro{padding:8px 10px;border-radius:9px;margin-top:5px;line-height:1.4}
.review-q .ro.ok{background:#16a34a22;border:1px solid var(--ok)}
.review-q .ro.no{background:#dc262622;border:1px solid var(--bad)}
.review-q .rx{margin-top:8px;font-size:12.5px;color:var(--muted);line-height:1.6}
.exam-projection{background:linear-gradient(135deg,#6366f122,#06b6d422);border:1px solid var(--brand);
  border-radius:14px;padding:14px;margin:14px 0 4px}
.exam-projection .big{font-size:34px;font-weight:800;line-height:1.1}
.exam-projection .lbl{font-size:12px;color:var(--brand2);font-weight:700;text-transform:uppercase;letter-spacing:.5px}
.exam-projection .note{font-size:11px;color:var(--muted);margin-top:8px;line-height:1.5}
.exam-projection .seclist{font-size:12px;color:var(--muted);margin-top:8px;line-height:1.7}
/* --- from afoqt-vocab app.css L420-443 --- */
.guide-hero{background:linear-gradient(135deg,#6366f122,#06b6d422);border:1px solid var(--brand);border-radius:16px;padding:16px;margin-bottom:14px}
.guide-hero h2{margin:0 0 6px;font-size:20px}
.guide-hero .fmt{font-size:13px;color:var(--txt);line-height:1.5}
.guide-sec{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 16px;margin-bottom:10px}
.guide-sec h3{margin:0 0 6px;font-size:15px;color:var(--brand2)}
.guide-sec p{margin:0;font-size:14px;line-height:1.7;color:var(--txt);white-space:pre-line}
.guide-tips{background:var(--card2);border-radius:14px;padding:14px 16px;margin-bottom:10px}
.guide-tips h3{margin:0 0 8px;font-size:14px}
.guide-tips li{font-size:13.5px;line-height:1.7;margin-left:-6px}
.guide-src{font-size:11px;color:var(--muted);line-height:1.6;margin-top:8px}
.guide-src b{color:var(--txt)}
.avterm{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:13px 15px;margin-bottom:10px}
.avterm .t{font-size:17px;font-weight:800;color:#fff}
.avterm .ko{font-size:14px;font-weight:700;color:var(--brand2);margin-top:2px}
.avterm .d{font-size:13px;color:var(--txt);margin-top:5px;line-height:1.55}
.avterm .de{font-size:12px;color:var(--muted);margin-top:3px;line-height:1.5}
.avterm .cat{display:inline-block;font-size:10px;font-weight:700;color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:1px 7px;margin-top:7px}
.avflash{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:30px 20px;min-height:230px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;cursor:pointer}
.avflash .ft{font-size:30px;font-weight:800;color:#fff}
.avflash .fc{font-size:12px;color:var(--muted);margin-top:14px}
.avflash .fko{font-size:22px;font-weight:800;color:var(--brand2);margin-bottom:10px}
.avflash .fd{font-size:14px;color:var(--txt);line-height:1.6;margin-top:6px}
.avflash .fde{font-size:13px;color:var(--muted);line-height:1.6;margin-top:8px}
/* --- from afoqt-vocab app.css L502-541 --- */
/* D-day weekly plan */
.wp-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}
.wp-dday{font-size:22px;font-weight:800;color:var(--brand2)}
.wp-phase{font-size:13px;font-weight:700}
.wp-bar{height:7px;background:#ffffff1a;border-radius:999px;overflow:hidden;margin:8px 0 12px}
.wp-bar>i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--brand2))}
.wp-task{display:flex;align-items:center;gap:11px;padding:9px 2px;cursor:pointer;border-top:1px solid var(--line)}
.wp-task:first-of-type{border-top:none}
.wp-box{width:22px;height:22px;border-radius:7px;border:2px solid var(--line);flex:0 0 auto;display:flex;align-items:center;justify-content:center;font-size:14px;color:#fff}
.wp-task.on .wp-box{background:var(--ok);border-color:var(--ok)}
.wp-task .tx{font-size:14px;line-height:1.4}
.wp-task.on .tx{color:var(--muted);text-decoration:line-through}
/* Weakness report */
.rep-hero{background:linear-gradient(135deg,#6366f122,#06b6d422);border:1px solid var(--brand);border-radius:16px;padding:16px;margin-bottom:14px}
.rep-hero .big{font-size:22px;font-weight:800;margin-top:2px}
.rep-row{margin:7px 0}
.rep-row .lab{display:flex;justify-content:space-between;font-size:13px;margin-bottom:3px}
.rep-row .lab .muted{font-size:11px}
.rep-sub{font-size:12px;font-weight:700;color:var(--brand2);margin:16px 0 6px}
.rep-rec{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:13px;padding:11px 13px;margin-bottom:9px}
.rep-rec .meta{flex:1;min-width:0}
.rep-rec .meta b{font-size:14px}
.rep-rec .meta .muted{font-size:11.5px}
.rep-rec .btn{width:auto;padding:9px 14px;font-size:13px;flex:0 0 auto}
.rep-empty{padding:18px;text-align:center;color:var(--muted)}

/* Exam screen — section groups + visual subtest figures/options */
.exam-group{font-size:13px;color:var(--brand2);font-weight:700;margin:18px 0 8px;letter-spacing:.3px}
.exam-group:first-of-type{margin-top:6px}
.exam-figure{margin:14px 0;display:flex;justify-content:center}
.exam-figure .tr-wrap{max-width:100%;overflow:auto}
.choices-fig{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.choices-fig .choice.choice-fig{display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px;text-align:center}
.choices-fig .choice-fig svg{width:100%;height:78px;display:block}
.choices-fig .choice-fig .ol{font-size:12px;color:var(--muted);line-height:1.3}
.choices-fig .choice-fig.sel .ol{color:var(--txt)}

/* --- from afoqt-vocab app.css L587-653 --- */
/* ============================================================
   반응형 — 태블릿/PC (넓은 화면): 하단 탭 → 왼쪽 사이드바 + 넓은 본문
   ============================================================ */
/* 사이드바 접기 토글 — 모바일에선 숨김 (ID로 .nav button 특이도 이김) */
#navToggle{ display:none; }

@media (min-width:820px){
  :root{ --sidebar:220px; }
  body{ padding-bottom:0; padding-left:var(--sidebar); transition:padding-left .18s ease; }

  /* 하단 탭 → 좌측 세로 사이드바 */
  .nav{ top:0; bottom:0; right:auto; width:var(--sidebar);
    flex-direction:column; justify-content:flex-start; align-items:stretch; gap:4px;
    border-top:none; border-right:1px solid var(--line);
    padding:12px 12px var(--safe-b); overflow-y:auto; background:rgba(30,41,59,.98); transition:width .18s ease; }
  .nav::before{ content:"ASTB-E Prep"; display:block; font-weight:800; font-size:14px;
    color:var(--brand2); padding:6px 14px 10px; letter-spacing:.3px; }
  .nav button{ flex:0 0 auto; flex-direction:row; justify-content:flex-start; gap:13px;
    padding:12px 14px; font-size:14px; border-radius:12px; white-space:nowrap; }
  .nav button .ic{ font-size:20px; width:24px; text-align:center; flex:0 0 auto; }
  .nav button.on{ background:var(--card2); color:var(--brand2); }

  /* 접기 토글 버튼 (사이드바 맨 위, 우측 정렬) */
  #navToggle{ display:flex; align-items:center; justify-content:center; align-self:flex-end;
    width:34px; height:34px; font-size:15px; color:var(--muted); border-radius:9px; margin:0 2px 4px; }
  #navToggle:hover{ background:var(--card2); color:var(--txt); }

  /* 본문 넓게 */
  .view{ max-width:880px; padding:24px 30px; }
  .appbar{ padding-left:30px; padding-right:30px; }

  /* 설정 시트: 사이드바 옆 영역에 중앙 모달로 */
  .sheet-bg{ align-items:center; padding-left:var(--sidebar); }
  .sheet{ max-width:640px; border-radius:20px; max-height:86vh; }

  /* 토스트를 본문 중앙으로 */
  .toast{ left:calc(50% + var(--sidebar)/2); bottom:32px; }

  /* ── 접힌 상태: 아이콘만 남는 좁은 레일 ── */
  body.nav-collapsed{ --sidebar:64px; }
  body.nav-collapsed .nav::before{ display:none; }
  body.nav-collapsed #navToggle{ align-self:center; }
  body.nav-collapsed .nav button{ justify-content:center; font-size:0; gap:0; padding:12px 0; }
  body.nav-collapsed .nav button .ic{ font-size:22px; width:auto; }
}

/* 아주 넓은 화면(대형 PC): 본문 더 여유롭게 */
@media (min-width:1200px){
  .view{ max-width:1000px; }
}

/* ---------- 30일 플랜 ---------- */
.plan-day{font-size:32px;font-weight:900;line-height:1.1;margin-top:2px}
.plan-day small{font-size:15px;font-weight:600;color:var(--muted)}
.ptask{display:flex;align-items:center;gap:12px;padding:14px;margin-bottom:9px;
  background:var(--card);border:1px solid var(--line);border-radius:14px}
.ptask.on{border-color:var(--ok);background:linear-gradient(90deg,#16a34a14,var(--card))}
.pchk{flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:2px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;color:var(--muted)}
.ptask.on .pchk{border-color:var(--ok);background:var(--ok);color:#fff}
.pmeta{flex:1;min-width:0}
.ptask .pl{font-weight:700;font-size:14.5px;line-height:1.35}
.ptask .ps{font-size:11px;color:var(--muted);margin-top:2px}
.ptask.on .pl{opacity:.6;text-decoration:line-through}
.pgo{flex:0 0 auto}
/* 내비 8개 — 아주 좁은 폰에서 살짝 축소 */
@media (max-width:400px){ .nav button{font-size:9px} .nav button .ic{font-size:19px} }
/* --- from afoqt-vocab app.css L664-674 --- */
/* ---------- 지난 시험 기록 ---------- */
.elrow{display:flex;align-items:center;gap:12px;width:100%;text-align:left;margin-bottom:9px;
  padding:14px;background:var(--card);border:1px solid var(--line);border-radius:14px;color:var(--txt)}
.elrow:active{transform:scale(.99)}
.elm{flex:1;min-width:0}
.eln{font-weight:700;font-size:14.5px}
.eld{font-size:11px;color:var(--muted);margin-top:2px}
.elsc{text-align:right;flex:0 0 auto}
.elsc b{display:block;font-size:16px;font-weight:800}
.elsc span{font-size:10.5px;color:var(--muted)}
.elgo{color:var(--muted);font-size:19px;flex:0 0 auto}
/* --- from afoqt-vocab app.css L745-766 --- */
/* ---------- fixed math question-bank sets ---------- */
.math-bank-sets{display:flex;flex-direction:column;gap:10px}
.math-bank-group{border:1px solid var(--line);border-radius:16px;background:var(--card);overflow:hidden}
.math-bank-group>summary{display:flex;align-items:center;gap:10px;padding:14px 15px;cursor:pointer;list-style:none;font-weight:800}
.math-bank-group>summary::-webkit-details-marker{display:none}
.math-bank-group>summary::after{content:"▾";margin-left:auto;color:var(--muted);transition:transform .18s}
.math-bank-group:not([open])>summary::after{transform:rotate(-90deg)}
.math-bank-summary{min-width:0;flex:1}
.math-bank-summary b,.math-bank-summary span{display:block}
.math-bank-summary span{font-size:11.5px;color:var(--muted);font-weight:500;margin-top:2px}
.math-bank-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(126px,1fr));gap:8px;padding:0 12px 12px}
.math-bank-set{min-width:0;text-align:left;padding:11px 10px;border:1.5px solid var(--line);border-radius:12px;background:var(--card2);color:var(--txt)}
.math-bank-set:active{transform:scale(.98)}
.math-bank-set.done{border-color:color-mix(in srgb,var(--ok) 48%,var(--line))}
.math-bank-set-top{display:flex;align-items:center;justify-content:space-between;gap:5px}
.math-bank-set-top b{font-size:14px;font-variant-numeric:tabular-nums}
.math-bank-set-top i{font-style:normal;color:var(--ok);font-size:12px}
.math-bank-set>span:not(.math-bank-set-top){display:block;color:var(--muted);font-size:11px;margin-top:3px}
.math-bank-set small{display:block;color:var(--brand2);font-size:10.5px;margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.math-bank-resume{border-color:var(--gold);padding:14px;margin-bottom:10px}
.math-bank-resume .row{gap:8px;margin-top:10px}
.math-bank-resume .btn{flex:1}
/* --- from afoqt-vocab app.css L840-872 --- */
/* ── 플래시카드 키보드 안내 (마우스·키보드 환경에서만 노출) ── */
.kbd-hint{display:none}
@media (hover:hover) and (pointer:fine){
  .kbd-hint{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 16px;
    margin-top:16px;padding:11px 12px;border:1px solid var(--line);border-radius:12px;
    background:var(--bg2);font-size:12px;color:var(--muted)}
  .kbd-hint kbd{display:inline-block;min-width:20px;padding:1px 6px;margin:0 1px;
    border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;
    background:var(--card2);color:var(--txt);font:600 11px/1.6 ui-monospace,SFMono-Regular,Menlo,monospace}
}

/* ── 보기 번호 배지 (키보드 환경에서만) ── */
@media (hover:hover) and (pointer:fine){
  #examChoices{counter-reset:chn}
  #examChoices .choice{position:relative;padding-left:46px;counter-increment:chn}
  #examChoices .choice::before{
    content:counter(chn); position:absolute; left:13px; top:50%; transform:translateY(-50%);
    width:22px; height:22px; display:flex; align-items:center; justify-content:center;
    border:1px solid var(--line); border-bottom-width:2px; border-radius:6px;
    background:var(--bg2); color:var(--muted);
    font:600 11px/1 ui-monospace,SFMono-Regular,Menlo,monospace}
  #examChoices.choices-fig .choice{padding-left:16px}
  #examChoices.choices-fig .choice::before{top:8px; transform:none}
}
/* 모의고사 과목 직접 고르기 */
.pick-secs{display:grid;grid-template-columns:repeat(auto-fill,minmax(112px,1fr));gap:8px}
.pick-chip{display:flex;flex-direction:column;align-items:flex-start;gap:2px;text-align:left;
  padding:9px 10px;border-radius:12px;background:var(--card2);border:2px solid transparent;line-height:1.3}
.pick-chip.on{border-color:var(--brand);background:#6366f122}
.pick-chip .pi{font-size:16px}
.pick-chip b{font-size:13px}
.pick-chip .pm{font-size:10.5px;color:var(--muted)}


/* ============================================================
   ASTB 전용
   ============================================================ */
/* 공통 소품 */
.row.wrap{flex-wrap:wrap}
.mt8{margin-top:8px}.mt12{margin-top:12px}.mt16{margin-top:16px}
.small{font-size:12px}
.pill.ok{color:var(--ok)} .pill.no{color:var(--warn)}
.phase-pill{display:inline-block;font-size:11px;font-weight:800;letter-spacing:.4px;padding:3px 9px;border-radius:999px;
  background:#ffffff1f;color:#fff;margin-bottom:6px}
.sub-head{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.sub-head .ic{font-size:34px}
.sub-head h2{margin:0;font-size:21px}
.sub-head .en{font-size:12px;color:var(--muted);font-weight:600}
.spec-line{font-size:12.5px;color:var(--brand2);font-weight:700;margin:2px 0 12px}
.note-oar{font-size:11px;color:var(--muted);line-height:1.5;margin-top:6px}

/* MCT 그림 (figures.js) */
.fig{width:100%;max-width:360px;max-height:250px;height:auto;display:block;margin:0 auto}
.fig .ln{stroke:#cbd5e1;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.fig .thin{stroke:#94a3b8;stroke-width:1.2;fill:none}
.fig .ac{stroke:var(--brand2);stroke-width:2.2;fill:none;stroke-linecap:round}
.fig .hi{stroke:var(--gold);stroke-width:2.6;fill:none}
.fig .fillb{fill:#334155;stroke:#cbd5e1;stroke-width:1.6}
.fig .fillw{fill:#06b6d433;stroke:var(--brand2);stroke-width:1.4}
.fig .fluid{fill:#06b6d466;stroke:none}
.fig .gear{fill:#1e293b;stroke:#cbd5e1;stroke-width:1.6}
.fig .gear.drv{stroke:var(--brand2)}
.fig .gear.ask{stroke:var(--gold);stroke-width:2.2}
.fig .arw{fill:var(--brand2);stroke:none}
.fig .arw.hi{fill:var(--gold)}
.fig .hatch{stroke:#64748b;stroke-width:1.2}
.fig text{fill:#e2e8f0;font:600 12px -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.fig text.m{fill:var(--muted);font-weight:500;font-size:11px}
.fig text.a{fill:var(--brand2);font-weight:800}
.fig text.g{fill:var(--gold);font-weight:800}
.fig .sky{fill:#0369a1}
.fig .earth{fill:#7c2d12}
.fig .hz{stroke:#f8fafc;stroke-width:2}
.fig .pl{stroke:#e2e8f0;stroke-width:1.3}
.fig text.pt{fill:#e2e8f0;font-size:9px;font-weight:600}
.fig .ptr{fill:#f8fafc}
.fig text.cn{font-size:13px;font-weight:700}
.fig text.cd{fill:var(--gold);font-size:14px;font-weight:800}
.fig .plane{fill:none;stroke:var(--gold);stroke-width:1.8;stroke-linejoin:round}
.fig .cs{fill:#06b6d455;stroke:var(--brand2);stroke-width:1.4}
.fig .cs2{fill:#6366f155;stroke:#a5b4fc;stroke-width:1.4}
.fig .glass{fill:#bae6fd55;stroke:#bae6fd;stroke-width:1.2}
.fig .co{stroke:var(--gold);stroke-width:1.1;stroke-dasharray:3 2;fill:none}
.fig .rwy{fill:#3f4654;stroke:#94a3b8;stroke-width:1}
.fig .mk{fill:#f8fafc}
.fig .mk2{stroke:#f8fafc;stroke-width:2.4}
.fig .mkh{fill:#f8fafc}
.fig text.rn{fill:#f8fafc;font-size:26px;font-weight:800;letter-spacing:1px}
.fig .pad{fill:#3f4654;stroke:#94a3b8;stroke-width:1}
.fig .chev{stroke:#facc15;stroke-width:3;fill:none}
.fig .lw{fill:#f8fafc;stroke:#cbd5e1;stroke-width:1.5}
.fig .lr{fill:#ef4444;stroke:#fca5a5;stroke-width:1.5}
.figbox{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:10px;margin:10px 0 12px}
.principles{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px}
.principle{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:10px 12px}
.principle b{font-size:14px}
.principle .rule{font-size:12.5px;color:var(--txt);line-height:1.55;margin-top:4px}
.principle .fig{max-width:240px;max-height:170px}

/* RCT 지문 */
.rct-passage{background:var(--card2);border-radius:12px;padding:13px 15px;margin-bottom:12px}
.rct-passage .tt{font-size:12px;font-weight:800;color:var(--brand2);margin-bottom:6px;letter-spacing:.3px}
.rct-passage .passage{font-size:15px;line-height:1.72}
.ko-details{margin-top:8px}
.ko-details summary{cursor:pointer;font-size:12px;font-weight:700;color:var(--muted)}
.ko-details .kotxt{font-size:13.5px;line-height:1.7;color:#cbd5e1;margin-top:6px;white-space:pre-wrap}

/* 오답 원인 4분류 */
.rsn-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.rsn-row .lbl{flex-basis:100%;font-size:11.5px;color:var(--muted);font-weight:700}
.rsn{padding:6px 10px;border-radius:999px;background:var(--card2);border:1.5px solid var(--line);font-size:12px;font-weight:700;color:var(--muted)}
.rsn.on{color:#fff;border-color:transparent}
.rsn.r1.on{background:#dc2626}.rsn.r2.on{background:#d97706}.rsn.r3.on{background:#2563eb}.rsn.r4.on{background:#7c3aed}
.rtag{display:inline-block;font-size:10.5px;font-weight:800;padding:2px 7px;border-radius:999px;color:#fff;margin-left:4px}
.rtag.r1{background:#dc2626}.rtag.r2{background:#d97706}.rtag.r3{background:#2563eb}.rtag.r4{background:#7c3aed}.rtag.r0{background:#475569}

/* 오답노트 목록 */
.wn-item{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:13px 14px;margin-bottom:10px}
.wn-item .wh{display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:11.5px;color:var(--muted);font-weight:700;margin-bottom:6px}
.wn-item .wq{font-size:14px;font-weight:600;line-height:1.45}
.wn-item .wa{font-size:13px;color:var(--ok);margin-top:6px}
.wn-item details{margin-top:6px}
.wn-item summary{cursor:pointer;font-size:12px;color:var(--brand2);font-weight:700}
.wn-item .wx{font-size:13px;line-height:1.6;color:#cbd5e1;margin-top:6px}
.due-badge{background:var(--warn);color:#111;font-size:10.5px;font-weight:800;padding:2px 7px;border-radius:999px}

/* Go / No-Go */
.gng{display:flex;flex-direction:column;gap:8px;margin-top:6px}
.gng-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;line-height:1.45}
.gng-row .st{flex:0 0 auto;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;background:var(--card2);color:var(--muted)}
.gng-row.ok .st{background:var(--ok);color:#fff}
.gng-row .sub{font-size:11.5px;color:var(--muted)}
.gng-verdict{margin-top:10px;font-size:13px;font-weight:800}

/* 유형별 드릴 아코디언 */
.topic{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:9px;overflow:hidden}
.topic>summary{display:flex;align-items:center;gap:10px;padding:13px 14px;cursor:pointer;list-style:none}
.topic>summary::-webkit-details-marker{display:none}
.topic>summary::after{content:"▾";color:var(--muted);transition:transform .15s;margin-left:4px}
.topic:not([open])>summary::after{transform:rotate(-90deg)}
.topic .tn{flex:1;min-width:0}
.topic .tn b{font-size:14.5px}
.topic .tn .muted{font-size:11.5px;display:block;margin-top:2px}
.topic .tacc{font-size:12px;font-weight:800;font-variant-numeric:tabular-nums}
.topic .tbody{padding:0 14px 14px}
.topic .tbody ul{margin:4px 0 8px;padding-left:18px}
.topic .tbody li{font-size:13.5px;line-height:1.65}
.topic .kv{font-size:13px;line-height:1.65;margin:6px 0}
.topic .kv b{color:var(--brand2)}
.topic .ex{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:13px;line-height:1.6;margin-top:8px}

/* 훑어보기 카드 */
.bcard{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;margin-bottom:10px}
.bcard .bh{font-size:11px;color:var(--muted);font-weight:700;margin-bottom:6px;display:flex;gap:6px;flex-wrap:wrap}
.bcard .bq{font-size:14.5px;font-weight:600;line-height:1.5}
.bcard .bko{font-size:12.5px;color:var(--brand2);margin-top:4px;line-height:1.5}
.bcard .bo{font-size:13.5px;padding:6px 9px;border-radius:8px;margin-top:5px;background:var(--card2)}
.bcard .bo.ok{background:#16a34a22;border:1px solid var(--ok)}
.bcard details{margin-top:8px}
.bcard summary{cursor:pointer;font-size:12.5px;color:var(--brand2);font-weight:700}
.bcard .bx{font-size:13px;line-height:1.6;color:#cbd5e1;margin-top:6px}
.dchip{display:inline-block;font-size:10px;font-weight:800;padding:1px 6px;border-radius:6px;border:1px solid var(--line)}

/* 통계 */
.trend{width:100%;height:auto;display:block}
.trend .gl{stroke:#334155;stroke-width:1}
.trend .tl{stroke:var(--gold);stroke-width:1.2;stroke-dasharray:4 4}
.trend .pl{fill:none;stroke:var(--brand2);stroke-width:2.4;stroke-linejoin:round}
.trend circle{fill:var(--brand2)}
.trend text{fill:var(--muted);font:600 10px -apple-system,sans-serif}
.logrow{display:flex;align-items:center;gap:10px;padding:10px 0;border-top:1px solid var(--line);font-size:13px}
.logrow:first-child{border-top:none}
.logrow .grow{flex:1;min-width:0}
.logrow .x{color:var(--muted);font-size:16px;padding:4px 8px}
.formgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:8px;margin-top:8px}
.formgrid label{font-size:11.5px;color:var(--muted);font-weight:700;display:flex;flex-direction:column;gap:4px}
.formgrid input,.formgrid select{width:100%;padding:9px 10px;border-radius:9px;background:var(--bg);border:1px solid var(--line);color:var(--txt);font-size:14px}
.cal .d.lv1{background:#6366f140;color:#fff}
.cal .d.lv2{background:#6366f199;color:#fff}

/* 온보딩 단계 선택 */
.ob-phase{display:flex;flex-direction:column;gap:6px;margin-top:6px}
.ob-phase label{display:flex;gap:8px;align-items:flex-start;font-size:13px;line-height:1.4;cursor:pointer}
.ob-phase input{margin-top:3px}

/* 넓은 화면에서 달력·문항 그리드가 과하게 커지지 않게 */
.cal{max-width:460px;margin-left:auto;margin-right:auto}
.exam-grid{max-width:560px;margin-left:auto;margin-right:auto}
.exam-grid button{aspect-ratio:auto;padding:9px 0}
/* 보기 번호 배지는 터치 기기에도 표시 (RCT 해설이 (1)~(4) 번호로 오답을 설명하므로) */
#examChoices{counter-reset:chn}
#examChoices .choice{position:relative;padding-left:46px;counter-increment:chn}
#examChoices .choice::before{content:counter(chn);position:absolute;left:13px;top:50%;transform:translateY(-50%);
  width:22px;height:22px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-bottom-width:2px;
  border-radius:6px;background:var(--bg2);color:var(--muted);font:600 11px/1 ui-monospace,SFMono-Regular,Menlo,monospace}

/* ===== 적응형(CAT) — 섹션 안내 · 경로 차트 ===== */
.cat-intro h2{margin:6px 0 4px;font-size:20px;line-height:1.3}
.cat-intro .ci-step{font-size:12px;color:var(--brand2);font-weight:700;letter-spacing:.3px}
.cat-intro .ci-meta{font-size:14px;margin:6px 0 10px}
.cat-intro .ci-rules{margin:0 0 14px;padding-left:18px;font-size:13.5px;line-height:1.6}
.cat-intro .ci-rules li{margin:4px 0}
.catviz{--cv-surface:var(--bg);--cv-s1:#3987e5;--cv-good:#0ca30c;--cv-bad:#d03b3b;
  margin-top:12px;text-align:left;background:var(--cv-surface);border:1px solid var(--line);border-radius:14px;padding:12px}
.catviz .cv-head{display:flex;justify-content:space-between;gap:8px;align-items:baseline;flex-wrap:wrap;font-size:14px;color:var(--txt)}
.catviz .cv-head span{font-size:12.5px;color:var(--muted)}
.catviz .cv-head span b{color:var(--txt);font-size:15px}
.catviz .cv-sub{font-size:12px;color:var(--muted);margin:3px 0 8px;line-height:1.5}
.catviz .cv-sub b{color:var(--txt)}
.catviz .cv-legend{display:flex;flex-wrap:wrap;gap:4px 12px;font-size:11.5px;color:var(--muted);margin-bottom:4px}
.catviz .cv-legend span{display:inline-flex;align-items:center;gap:5px}
.catviz .k-line{display:inline-block;width:14px;height:2px;background:var(--cv-s1);border-radius:1px}
.catviz .k-ok{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--cv-good)}
.catviz .k-no{font-style:normal;color:var(--cv-bad);font-weight:800;font-size:12px;line-height:1}
.catviz .k-pen{display:inline-block;width:8px;height:8px;border-radius:50%;border:1.5px solid var(--muted)}
.catviz .cv-plot{position:relative}
.catviz .cv-svg{width:100%;height:auto;display:block;touch-action:pan-y}
.cv-svg .cv-grid{stroke:var(--line);stroke-width:1}
.cv-svg .cv-base{stroke:#475569;stroke-width:1}
.cv-svg .cv-ax{fill:var(--muted);font:500 10.5px -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.cv-svg .cv-line{fill:none;stroke:var(--cv-s1);stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.cv-svg .cv-ok{fill:var(--cv-good);stroke:var(--cv-surface);stroke-width:2}
.cv-svg .cv-ring{fill:var(--cv-surface)}
.cv-svg .cv-no{stroke:var(--cv-bad);stroke-width:2.4;stroke-linecap:round}
.cv-svg .cv-pen{fill:none;stroke:var(--muted);stroke-width:1.5}
.cv-svg .cv-end{fill:var(--cv-s1);stroke:var(--cv-surface);stroke-width:2}
.cv-svg .cv-cross{stroke:var(--muted);stroke-width:1}
.catviz .cv-tip{position:absolute;top:2px;width:160px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:6px 8px;
  font-size:11.5px;pointer-events:none;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:2px;z-index:2}
.catviz .cv-tip[hidden]{display:none}
.catviz .cv-tip b{font-size:12.5px;color:var(--txt)}
.catviz .cv-tip span{color:var(--muted)}
.catviz .cv-table summary{font-size:12px;color:var(--muted);cursor:pointer;margin-top:6px}
.catviz .cv-table table{width:100%;border-collapse:collapse;font-size:12px;margin-top:6px;font-variant-numeric:tabular-nums}
.catviz .cv-table th,.catviz .cv-table td{border-bottom:1px solid var(--line);padding:4px 6px;text-align:left;color:var(--txt)}
.catviz .cv-table th{color:var(--muted);font-weight:600}
.exam-nav .btn.cat-end{flex:0 0 34%;font-size:13px;color:var(--muted)}