/* F03 강의 상세 — 그누보드: theme/classpick/css/pages/course.css */

.cd-crumb{padding-top:20px;margin-bottom:16px}
.cd-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:48px;align-items:start}

/* 미디어·제목 */
.cd-media{aspect-ratio:16/9;border-radius:var(--r-xl)}
.cd-play{position:absolute;left:24px;bottom:24px;display:inline-flex;align-items:center;gap:10px;height:48px;padding:0 18px 0 6px;border-radius:var(--r-pill);background:rgba(14,16,15,.6);backdrop-filter:blur(8px);color:#fff;font-size:15px;font-weight:700}
.cd-play .num{font-weight:500;color:rgba(255,255,255,.7)}
.cd-play-ic{width:36px;height:36px;border-radius:50%;background:var(--lime);display:grid;place-items:center}
.cd-play-ic svg{width:16px;height:16px;fill:var(--ink-900);color:var(--ink-900);margin-left:2px}
.cd-head{padding:28px 0 8px}
.cd-badges{display:flex;gap:6px;margin-bottom:12px}
.cd-summary{font-size:16px;color:var(--text-2);margin-top:10px;line-height:1.7}
.cd-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px 18px;margin-top:16px;font-size:14px;color:var(--text-2)}
.cd-meta > span{display:inline-flex;align-items:center;gap:5px}
.cd-meta svg{width:16px;height:16px;color:var(--text-3)}
.cd-meta .rating{font-size:14px}
.cd-meta .rating a{color:var(--text-2);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--border-strong)}
.cd-inst{display:inline-flex;align-items:center;gap:10px;margin-top:20px;padding:6px 14px 6px 6px;border-radius:var(--r-pill);background:var(--ink-100);font-size:14px;color:var(--text-2)}
.cd-inst b{color:var(--text)}
.cd-inst:hover{background:var(--ink-200)}

/* 탭·섹션 */
.cd-tabs{margin-top:28px;margin-bottom:8px}
.cd-sec{padding:40px 0;border-bottom:1px solid var(--border);scroll-margin-top:calc(var(--header-h) + 56px)}
.cd-sec:last-child{border-bottom:0}
.cd-h{font-size:22px;font-weight:800;letter-spacing:-.035em;margin-bottom:20px}
.cd-sec-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px}
.cd-sec-head .cd-h{margin-bottom:4px}
.cd-rv-closed{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-3);white-space:nowrap}
.cd-rv-closed svg{width:16px;height:16px}
.more-link{display:inline-flex;align-items:center;gap:2px;font-size:14px;font-weight:600;color:var(--text-2);white-space:nowrap}
.more-link:hover{color:var(--text)}

.goal-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 24px;padding:24px;border-radius:var(--r-lg);background:var(--bg-subtle)}
.goal-grid li{display:flex;gap:10px;font-size:15px;line-height:1.55}
.goal-grid svg{width:18px;height:18px;flex:none;margin-top:2px;color:var(--lime-ink)}
.feat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:16px}
.feat{display:flex;flex-direction:column;gap:4px;padding:18px;border:1px solid var(--border);border-radius:var(--r-lg)}
.feat svg{width:22px;height:22px;margin-bottom:8px}
.feat b{font-size:15px}
.feat span{font-size:13.5px;color:var(--text-2);line-height:1.55}
.cd-split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:36px}
.dot-list{display:grid;gap:8px;font-size:15px;color:var(--text-2)}
.dot-list li{position:relative;padding-left:16px}
.dot-list li::before{content:"";position:absolute;left:3px;top:.68em;width:5px;height:5px;border-radius:50%;background:var(--ink-900)}
.cd-body{margin-top:40px;display:grid;gap:16px;font-size:15.5px;line-height:1.8;color:var(--ink-700)}
.cd-body h3{color:var(--text)}
.cd-figure{border-radius:var(--r-lg)}
.cd-body .md-img{margin:0;display:grid;gap:8px}
.cd-body .md-img img{display:block;max-width:100%;height:auto;border-radius:var(--r-lg);border:1px solid var(--border)}
.cd-body .md-img figcaption{font-size:13px;line-height:1.5;color:var(--text-3);text-align:center}

/* 커리큘럼 */
.cur-rules{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.cur-rules span{display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 12px;border-radius:var(--r-md);background:var(--bg-subtle);font-size:13px;font-weight:600;color:var(--text-2)}
.cur-rules svg{width:15px;height:15px}
.cur-acc summary{gap:14px;background:var(--bg-subtle)}
.cur-no{width:26px;height:26px;border-radius:7px;background:var(--ink-900);color:#fff;font-size:12.5px;font-weight:800;display:grid;place-items:center;flex:none}
.cur-count{font-size:13px;font-weight:500;color:var(--text-3)}
.lesson-list{padding:4px 0}
.lesson{display:flex;align-items:center;gap:12px;padding:11px 20px;font-size:14.5px}
.lesson + .lesson{border-top:1px solid var(--ink-100)}
.lesson .ls-ic{width:18px;height:18px;color:var(--text-3)}
.lesson .ls-title{flex:1;min-width:0;color:var(--ink-700)}
.lesson .ls-no{font-size:12.5px;font-weight:600;color:var(--text-3);margin-right:8px;font-variant-numeric:tabular-nums}
.lesson .ls-time{font-size:13px;color:var(--text-3);white-space:nowrap}
.lesson .ls-lock{width:15px;height:15px;color:var(--ink-400)}
.lesson.is-preview .ls-title{color:var(--text);font-weight:500}
.lesson .badge{cursor:pointer}

/* 강사 */
.teacher-card{display:grid;grid-template-columns:180px minmax(0,1fr);gap:28px;padding:24px;border:1px solid var(--border);border-radius:var(--r-lg)}
.tc-photo{border-radius:var(--r-lg)}
.tc-body h3{margin-top:2px}
.tc-stats{display:flex;gap:28px;margin:16px 0}
.tc-stats dt{font-size:12.5px;color:var(--text-3)}
.tc-stats dd{font-size:19px;font-weight:800;letter-spacing:-.02em}
.tc-bio{font-size:14.5px;color:var(--text-2);margin-bottom:16px}

/* 수강평 */
.rv-summary{display:grid;grid-template-columns:200px minmax(0,1fr);gap:32px;align-items:center;padding:24px;border-radius:var(--r-lg);background:var(--bg-subtle)}
.rv-score{text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px}
.rv-score b{font-size:44px;font-weight:800;letter-spacing:-.04em;line-height:1}
.rv-score .stars svg{width:18px;height:18px}
.rv-score > span:last-child{font-size:13px;color:var(--text-3)}
.rv-dist{display:grid;gap:8px}
.rv-bar{display:grid;grid-template-columns:32px minmax(0,1fr) 40px;align-items:center;gap:10px;font-size:13px;color:var(--text-2)}
.rv-bar .num{text-align:right}
.rv-list{margin-top:8px}
.rv-item{padding:24px 0;border-bottom:1px solid var(--border)}
.rv-top{display:flex;gap:12px;align-items:center;margin-bottom:12px}
.rv-top b{font-size:14.5px}
.rv-sub{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-3);margin-top:2px}
.rv-sub .stars svg{width:13px;height:13px}
.rv-item > p{font-size:15px;color:var(--ink-700);line-height:1.7}
.rv-reply{margin-top:14px;padding:14px 16px;border-radius:var(--r-md);background:var(--bg-subtle);border-left:3px solid var(--ink-900)}
.rv-reply b{font-size:13.5px}
.rv-reply p{font-size:14px;color:var(--text-2);margin-top:4px}

/* Q&A 미리보기 */
.qna-list{border-top:1px solid var(--border)}
.qna-list a{display:flex;align-items:center;gap:14px;padding:16px 4px;border-bottom:1px solid var(--border)}
.qna-list a:hover b{text-decoration:underline;text-underline-offset:3px}
.qna-list b{display:block;font-size:15px;font-weight:600}
.qna-meta{display:flex;gap:10px;font-size:12.5px;color:var(--text-3);margin-top:4px;flex-wrap:wrap}
.qna-meta .ts{display:inline-flex;align-items:center;gap:4px;color:var(--lime-ink);font-weight:700}
.qna-meta .ts svg{width:12px;height:12px;fill:currentColor}
.qna-ans{display:inline-flex;align-items:center;gap:4px;font-size:13px;font-weight:600;color:var(--text-2);flex:none}
.qna-ans svg{width:16px;height:16px}

/* 패키지 행 */
.pkg-row{display:flex;align-items:center;gap:18px;padding:16px;border:1px solid var(--border);border-radius:var(--r-lg)}
.pkg-row:hover{border-color:var(--ink-900)}
.pkg-row b{font-size:15.5px}
.pkg-thumbs{display:flex;flex:none}
.pkg-thumbs .ph{width:72px;aspect-ratio:4/3;border-radius:8px;box-shadow:0 0 0 2px var(--bg)}
.pkg-thumbs .ph + .ph{margin-left:-28px}

/* 구매 박스 */
.cd-side{position:sticky;top:calc(var(--header-h) + 20px)}
.buy-box{padding:24px;border:1px solid var(--border);border-radius:var(--r-xl);background:var(--bg);box-shadow:var(--sh-2)}
.buy-deadline{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 10px;border-radius:var(--r-sm);background:var(--danger-bg);color:var(--danger);font-size:13px;font-weight:600;margin-bottom:12px}
.buy-deadline svg{width:15px;height:15px}
.buy-sched{display:flex;align-items:center;gap:6px;margin:8px 0 0;font-size:13px;color:var(--text-2)}
.buy-sched svg{width:15px;height:15px;flex:none;color:var(--lime-ink)}
.buy-sched b{color:var(--text)}
.buy-box .buy-sched{margin:-12px 0 16px}
.buy-box .price-lg{margin-bottom:20px}
.buy-actions{display:flex;gap:8px}
.buy-member{display:flex;align-items:center;gap:12px;margin-top:16px;padding:14px 16px;border-radius:var(--r-md);background:var(--lime-soft);color:var(--lime-deep)}
.buy-member span{flex:1}
.buy-member b{display:block;font-size:14px}
.buy-member small{font-size:12.5px;font-weight:500}
.buy-member svg{width:18px;height:18px}
.buy-kv{margin-top:20px;padding-top:18px;border-top:1px solid var(--border);font-size:13.5px}
.buy-status{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:16px}
.buy-note{font-size:14px;color:var(--text-2);margin-bottom:16px}
.buy-progress{padding:16px;border-radius:var(--r-md);background:var(--bg-subtle);margin-bottom:16px;font-size:14px}
.buy-links{display:grid;grid-template-columns:repeat(3,1fr);margin-top:12px;border-top:1px solid var(--border);padding-top:12px}
.buy-links a{display:flex;flex-direction:column;align-items:center;gap:4px;padding:6px;border-radius:var(--r-md);font-size:12.5px;font-weight:600;color:var(--text-2)}
.buy-links a:hover{background:var(--ink-100);color:var(--text)}
.state-demo{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:14px;padding:10px 12px;border:1px dashed var(--border-strong);border-radius:var(--r-md);font-size:12px;font-weight:600;color:var(--text-3)}
.state-demo .seg button{height:28px;padding:0 9px;font-size:12.5px}
.state-demo .seg button:disabled{opacity:.35;cursor:not-allowed}

/* 모바일 가격 요약·하단 바 */
.cd-mprice:empty{display:none}
.cd-mprice{padding:16px 0 4px}
.buy-bar{display:none}

/* 미리보기 모달 */
.pv-player{aspect-ratio:16/9;border-radius:var(--r-md);background:var(--dark-900)}
.pv-big{position:absolute!important;inset:0;margin:auto;width:64px;height:64px;border-radius:50%;background:var(--lime);display:grid;place-items:center}
.pv-big svg{width:24px;height:24px;fill:var(--ink-900);margin-left:3px}
.pv-bar{position:absolute!important;left:16px;right:16px;bottom:14px;height:4px;border-radius:2px;background:rgba(255,255,255,.25)}
.pv-bar i{display:block;height:100%;width:var(--v);background:var(--lime);border-radius:inherit}
.pv-big{z-index:3;border:0;padding:0;cursor:pointer;transition:opacity .2s}
.pv-big .pv-ic-pause,.pv-player.is-playing .pv-big .pv-ic-play{display:none}
.pv-player.is-playing .pv-big .pv-ic-pause{display:block}
.pv-player.is-playing .pv-big{opacity:0}
.pv-player.is-playing:hover .pv-big,.pv-player .pv-big:focus-visible{opacity:1}
.pv-bar{z-index:3;cursor:pointer}
.pv-bar::before{content:"";position:absolute;inset:-8px 0}

@media (max-width:1024px){
  .cd-layout{grid-template-columns:minmax(0,1fr) 320px;gap:32px}
  .feat-row{grid-template-columns:1fr;gap:8px}
  .feat{display:grid;grid-template-columns:24px minmax(0,1fr);column-gap:12px;row-gap:2px;padding:14px 16px}
  .feat svg{grid-row:span 2;margin:1px 0 0}
}
@media (max-width:768px){
  .cd-crumb{display:none}
  .cd-layout{grid-template-columns:1fr;gap:0}
  .cd-side{display:none}
  .cd-media{margin:0 calc(var(--gutter) * -1);border-radius:0}
  .cd-play{left:16px;bottom:16px;height:42px;font-size:14px}
  .cd-head{padding-top:20px}
  .cd-summary{font-size:15px}
  .cd-meta{gap:4px 14px;font-size:13px}
  .cd-tabs{margin:20px calc(var(--gutter) * -1) 0;padding:0 8px}
  .cd-tabs .tab{padding:0 10px;font-size:14.5px}
  .cd-sec{padding:32px 0}
  .cd-h{font-size:19px}
  .goal-grid{grid-template-columns:1fr;padding:18px}
  .cd-split{grid-template-columns:1fr}
  .lesson{padding:11px 14px;gap:10px}
  .lesson .ls-no{display:none}
  .teacher-card{grid-template-columns:96px minmax(0,1fr);gap:16px;padding:16px}
  .tc-stats{gap:18px}
  .rv-summary{grid-template-columns:1fr;gap:20px}
  .buy-bar{display:flex;align-items:center;gap:12px;position:fixed;left:0;right:0;bottom:0;z-index:50;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:var(--bg);border-top:1px solid var(--border);box-shadow:0 -6px 20px rgba(24,24,27,.06)}
  .buy-bar .bb-price{flex:1;display:flex;flex-direction:column;line-height:1.3}
  .buy-bar .bb-price b{font-size:18px;font-weight:800}
  .buy-bar .btn{flex:0 0 52%}
  body.no-tabbar{padding-bottom:calc(72px + env(safe-area-inset-bottom))}
}

/* 고정 공지 · 수강평 쓰기 (계약 14절) */
.cd-notice{margin-top:20px}
.cd-notice summary{padding:14px 18px;gap:10px}
.cd-notice-t{min-width:0;font-size:14.5px}
.cd-notice-d{flex:none;font-size:12.5px;font-weight:500;color:var(--text-3)}
/* 공지 본문(평문·HTML, .prose): 평문 문단 간격은 8px 그대로, HTML 공지의 목록·제목·인용은 prose.css */
.cd-notice-body{font-size:14.5px;color:var(--text-2);line-height:1.7}
.cd-notice-body h2{font-size:16px}.cd-notice-body h3{font-size:15px}.cd-notice-body h4{font-size:14.5px} /* 에디터 제목이 공지 제목보다 커지지 않게 */
.cd-notice-body p + p,.cd-notice-body pre{margin-top:8px}
.rv-tools{display:flex;gap:4px;margin-top:10px;margin-left:-8px}
.rv-rate{display:flex;align-items:center;gap:2px}
.rv-rate label{display:inline-grid;padding:2px;border-radius:var(--r-xs);color:var(--ink-300);cursor:pointer}
.rv-rate label.is-on{color:var(--star)}
.rv-rate label:focus-within{outline:2px solid var(--ink-900);outline-offset:1px}
.rv-rate svg{width:30px;height:30px;fill:currentColor;stroke:none}
.rv-rate-t{margin-left:8px;font-size:14px}
.rv-count{margin-top:4px;font-size:12px;color:var(--text-3);text-align:right;font-variant-numeric:tabular-nums}
.qna-list .qna-lock{width:13px;height:13px;margin-right:4px;vertical-align:-1px;color:var(--text-3)}
@media (max-width:640px){.cd-notice-d{display:none}}