/* 함투사 강의실 (class.html · v21) — 나스닥 입문 20강 · 기초 30강 · 입금 확인 후 열림
   색은 edu.css 의 .coral 테마 변수(--edu · --eduInk · --eduSoft)를 씁니다. styles.css · edu.css 는 건드리지 않았습니다. */
.clWrap{padding-top:44px;padding-bottom:30px}
.clHead h1{font-size:clamp(32px,3.6vw,48px);margin:16px 0 12px;word-break:keep-all}
.clHead .intro{margin:0 0 16px;max-width:760px}
.clStatus{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:0 0 24px}
.clChip{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:800;color:#c9d5e2;border:1px solid #33465c;background:#111c2b;border-radius:99px;padding:7px 12px}
.clChip i{width:8px;height:8px;border-radius:50%;background:#56657a}
.clChip b{color:#9fb0c3;font-weight:800}
.clChip.open{border-color:rgba(64,214,160,.45);background:rgba(64,214,160,.08)}
.clChip.open i{background:#40d6a0;box-shadow:0 0 0 4px rgba(64,214,160,.15)}
.clChip.open b{color:#7cf0c4}
.clOut{background:none;border:0;color:#8ea0b3;font:inherit;font-size:12px;font-weight:700;text-decoration:underline;text-underline-offset:3px;cursor:pointer;padding:6px 4px}
.clOut:hover{color:#d7e1eb}

.clTabs{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0 0 14px}
.clTabs button{display:flex;align-items:center;gap:12px;min-width:0;text-align:left;background:#111c2b;border:1px solid #2a3b4f;border-radius:13px;padding:11px 13px;color:#d7e1eb;cursor:pointer;font:inherit;transition:border-color .2s,background .2s}
.clTabs button:hover{border-color:#4f6b86}
.clTabs button[aria-selected="true"]{border-color:var(--edu);background:rgba(240,91,112,.07);box-shadow:0 0 0 3px var(--eduSoft)}
.clTabs .coverMini{width:72px;height:41px}
.clTabs .t{min-width:0;flex:1}
.clTabs .t b{display:block;font-size:15px;font-weight:900;letter-spacing:-.03em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.clTabs .t small{display:block;color:#9fb0c3;font-size:12px;font-weight:600;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.clTabs .st{flex:none;font-size:11.5px;font-weight:900;padding:4px 9px;border-radius:99px;background:#1a2638;color:#9fb0c3;white-space:nowrap}
.clTabs .st.open{background:rgba(64,214,160,.13);color:#7cf0c4}

.clGrid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:16px;align-items:start}
.clMain{min-width:0}
.clPlayer{position:relative;border:1px solid #2d3c50;background:#000;border-radius:14px;overflow:hidden;box-shadow:0 24px 75px rgba(0,0,0,.28)}
.clPlayer video{display:block;width:100%;aspect-ratio:16/9;background:#000;object-fit:contain}
.clGate{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:18px;text-align:center;background:radial-gradient(circle at 50% 28%,rgba(240,91,112,.13),transparent 62%),rgba(8,13,22,.93)}
.clGate[hidden],.clStart[hidden],.clNote[hidden],.clForm[hidden]{display:none}
.clGate .box{max-width:460px}
.clGate .lockIcon{width:46px;height:46px;margin:0 auto 10px;border-radius:50%;display:grid;place-items:center;background:var(--eduSoft);color:var(--eduInk)}
.clGateCourse{display:block;font-size:12px;font-weight:800;color:var(--eduInk);margin-bottom:4px;letter-spacing:.02em}
.clGate b{display:block;font-size:21px;line-height:1.45;letter-spacing:-.04em}
.clGateText{margin:6px auto 14px;font-size:13px;line-height:1.65;color:#c4d0dc;word-break:keep-all}
.clForm{display:flex;gap:8px;max-width:360px;margin:0 auto}
.clForm input{flex:1;min-width:0;height:46px;border-radius:9px;background:#091421;border:1px solid #43536a;color:#fff;padding:0 12px;font:inherit;font-size:16px;outline:none}
.clForm input:focus{border-color:var(--edu);box-shadow:0 0 0 3px var(--eduSoft)}
.clForm button{flex:none;height:46px;border:0;border-radius:9px;background:var(--edu);color:#fff;font:inherit;font-weight:900;font-size:14px;padding:0 18px;cursor:pointer}
.clForm button:disabled{opacity:.6;cursor:default}
.clForm.shake{animation:clShake .36s}
@keyframes clShake{20%{transform:translateX(-6px)}40%{transform:translateX(6px)}60%{transform:translateX(-4px)}80%{transform:translateX(3px)}}
.clMsg{min-height:0;margin:9px auto 4px;font-size:12.5px;line-height:1.6;color:#9fb0c3;word-break:keep-all;max-width:420px}
.clMsg:empty{margin:6px auto 2px}
.clMsg.error{color:#ff8f9c;font-weight:700}.clMsg.wait{color:#f6d27e}
.clApply{display:inline-block;margin-top:6px;font-size:13px;font-weight:800;color:var(--eduInk)}
.clApply:hover{text-decoration:underline;text-underline-offset:3px}
.clStart{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,rgba(0,0,0,0) 30%,rgba(0,0,0,.42));pointer-events:none}
.clStart button{pointer-events:auto;display:inline-flex;align-items:center;gap:10px;border:0;border-radius:99px;background:var(--edu);color:#fff;font:inherit;font-weight:900;font-size:15px;padding:12px 22px 12px 13px;cursor:pointer;box-shadow:0 12px 30px rgba(0,0,0,.45)}
.clStart .play{width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,.2);display:grid;place-items:center;font-size:11px;padding-left:2px}

.clNow{display:flex;justify-content:space-between;align-items:center;gap:10px 14px;margin-top:12px;flex-wrap:wrap}
.clNow .t{min-width:0;display:flex;align-items:baseline;gap:9px;flex:1 1 320px}
.clNow .no{font-family:'DM Sans',sans-serif;font-weight:900;color:var(--eduInk);font-size:13px;white-space:nowrap}
.clNow .t b{font-size:16px;font-weight:800;letter-spacing:-.03em;line-height:1.45;word-break:keep-all}
.clNow .ctl{display:flex;gap:6px;align-items:center;flex:none}
.clNow .ctl button,.clNow .rate select{height:36px;border-radius:9px;border:1px solid #33465c;background:#111c2b;color:#d7e1eb;font:inherit;font-size:13px;font-weight:800;padding:0 12px;cursor:pointer}
.clNow .ctl button:hover:not(:disabled){border-color:#4f6b86}
.clNow .ctl button:disabled{opacity:.4;cursor:default}
.clNow .rate{display:flex;align-items:center;gap:6px;font-size:12px;color:#9fb0c3;font-weight:700}
.clNow .rate select{padding:0 8px}
.clNote{margin:10px 0 0;font-size:13px;line-height:1.6;font-weight:700;color:#c4d0dc;word-break:keep-all}
.clNote.ok{color:#7cf0c4}.clNote.error{color:#ff8f9c}

.clList{border:1px solid #2a3b4f;border-radius:14px;background:#0f1a28;overflow:hidden}
.clListHead{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid #22324a;font-size:13.5px}
.clListHead .prog{font-size:12px;color:#9fb0c3;font-weight:700;white-space:nowrap}
.clLecs{max-height:520px;overflow:auto;padding:6px;overscroll-behavior:contain}
.clLecs .grp{padding:12px 8px 6px}
.clLecs .grp:first-child{padding-top:6px}
.clLecs .grp b{display:block;font-size:12.5px;font-weight:900;color:#cbbcff;letter-spacing:-.01em}
.clLecs .grp small{display:block;color:#8ea0b3;font-weight:600;font-size:11.5px;margin-top:3px;line-height:1.55;word-break:keep-all}
.clLecs .items.cols2{display:grid;grid-template-columns:1fr 1fr;gap:2px}
.clLecs .items.cols2 button{grid-template-columns:minmax(0,1fr) auto;padding:9px 10px}
.clLecs .items.cols2 .n{display:none}
.clLecs .items.cols2 .tt{font-family:'DM Sans','Noto Sans KR',sans-serif;font-weight:800}
.clLecs button{width:100%;display:grid;grid-template-columns:24px minmax(0,1fr) auto;gap:9px;align-items:center;text-align:left;background:none;border:0;color:#d7e1eb;font:inherit;font-size:13px;font-weight:600;padding:9px 8px;border-radius:9px;cursor:pointer}
.clLecs button:hover{background:#16243a}
.clLecs button.on{background:rgba(240,91,112,.13);color:#fff}
.clLecs .n{font-family:'DM Sans',sans-serif;font-weight:900;font-size:12px;color:var(--eduInk);text-align:center}
.clLecs .tt{line-height:1.45;word-break:keep-all}
.clLecs .meta{display:flex;align-items:center;gap:6px;font-family:'DM Sans',sans-serif;font-size:11.5px;color:#8ea0b3;font-weight:700}
.clLecs .ic{width:14px;height:14px;display:inline-grid;place-items:center;color:#8ea0b3}
.clLecs button.on .ic{color:var(--eduInk)}
.clLecs button.done .ic{color:#40d6a0}
.clLecs button.done .tt{color:#b6c3d1}
.clLocked .clLecs button{color:#9aa9ba}
.clLocked .clLecs .n{color:#b07a85}
.clLocked .clLecs button.on{background:#16243a}
.clLocked .clNow .ctl{display:none}

.clHelp .howSteps a{color:var(--eduInk);font-weight:800}
.clHelp .faq{margin-top:22px}

@media(max-width:980px){
  .clGrid{grid-template-columns:1fr}
  .clLecs{max-height:none}
}
@media(max-width:600px){
  .clWrap{padding-top:26px}
  .clHead .intro{font-size:15px}
  .clTabs{gap:8px}
  .clTabs button{padding:10px;gap:8px}
  .clTabs .coverMini,.clTabs .t small,.clTabs .pre{display:none}
  .clTabs .t b{font-size:14px}
  .clPlayer{border-radius:11px;margin:0 -2px}
  .clGate{position:relative;inset:auto;min-height:0;aspect-ratio:auto;padding:22px 14px}
  .clPlayer.gated video{display:none}
  .clGate b{font-size:18px}
  .clStart button{font-size:13.5px;padding:9px 16px 9px 10px}
  .clStart .play{width:24px;height:24px;font-size:9px}
  .clNow .ctl{width:100%}
  .clNow .ctl button{flex:1}
  .clLecs .items.cols2{grid-template-columns:1fr 1fr}
}

/* v22 무료 체험 1강 · 수강 기간 */
.clTrial{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px;margin-top:10px;padding:10px 12px;border-radius:11px;border:1px dashed var(--eduLine);background:rgba(255,255,255,.02);font-size:13px;line-height:1.55;color:#dbe5ee;word-break:keep-all}
.clTrial[hidden]{display:none}
.clTrial span{flex:1;min-width:220px}
.clTrial b{display:inline-block;margin-right:7px;font-size:11px;padding:2px 7px;border-radius:99px;background:var(--edu);color:var(--eduOn)}
.clTrial .apply{flex:none;height:34px;display:inline-flex;align-items:center;padding:0 12px;border-radius:8px;background:var(--edu);color:var(--eduOn);font-size:12.5px;font-weight:900}
.clTrial .unlock{flex:none;height:34px;padding:0 12px;border-radius:8px;border:1px solid #4a5a70;background:#0f1a28;color:#dbe5ee;font:inherit;font-size:12.5px;font-weight:800;cursor:pointer}
.clGateLinks{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:6px 14px;margin-top:8px}
.clGateLinks .clApply{margin-top:0}
.clFree{height:34px;padding:0 12px;border-radius:8px;border:1px solid var(--eduLine);background:var(--eduSoft);color:#fff;font:inherit;font-size:12.5px;font-weight:800;cursor:pointer}
.clLecs .freeTag[hidden]{display:none}
.clLecs .freeTag{font-style:normal;font-size:10px;font-weight:900;padding:1px 6px;border-radius:99px;background:var(--eduSoft);color:var(--eduInk);white-space:nowrap}
.clLecs button.free .tt{color:#fff}
@media(max-width:600px){.clTrial .apply,.clTrial .unlock{flex:1;justify-content:center}}
.clQuick{margin:14px 0 20px;max-width:520px}
.clQuick[hidden]{display:none}
.clQuick label{display:block;font-size:12.5px;font-weight:800;color:#c4d0dc;margin-bottom:6px}
.clQuick .row{display:flex;gap:8px}
.clQuick input{flex:1;min-width:0;height:44px;border-radius:9px;border:1px solid #43536a;background:#091421;color:#fff;font:inherit;font-size:15px;padding:0 13px;outline:none}
.clQuick input:focus{border-color:var(--edu);box-shadow:0 0 0 3px var(--eduSoft)}
.clQuick button{flex:none;height:44px;padding:0 16px;border-radius:9px;border:0;background:var(--edu);color:var(--eduOn);font:inherit;font-size:14px;font-weight:900;cursor:pointer}
.clQuick button:disabled{opacity:.6}
.clQuickMsg{margin:6px 0 0;font-size:12.5px;line-height:1.55;font-weight:700;color:#c4d0dc;word-break:keep-all}
.clQuickMsg:empty{display:none}
.clQuickMsg.error{color:#ff8f9c}.clQuickMsg.wait{color:#f6c44f}