/* 강의 슬라이더 [course_slider id="…"] — easyclass-design · 테마 토큰(--c-*)을 따른다
 * 가로 스크롤 + 스냅 위에 화살표 · 점 · 자동 넘김(slider.js). 한 화면 개수는 --ecs-per(화면 폭에 맞춰 slider.js 가 바꾼다) */
.ecs{
  --ecs-ink:var(--c-text,#1C1C28);--ecs-mut:var(--c-muted,#9AA0AC);--ecs-card:var(--c-card,#fff);--ecs-bg:var(--c-bg,#EDEDF5);
  --ecs-ac:var(--c-accent,#F97316);--ecs-ok:var(--c-ok,#2FC272);--ecs-err:var(--c-err,#F4506B);--ecs-sh:0 8px 24px rgba(28,28,40,.06);
  --ecs-gap:20px;--ecs-per:4;--ecs-ratio:16/10;--ecs-mid:35%;
  position:relative;margin:0 0 8px;font-family:var(--en-font,'Pretendard Variable','Pretendard',-apple-system,'Malgun Gothic',sans-serif);color:var(--ecs-ink);word-break:keep-all;text-align:left
}
.ecs *,.ecs *::before,.ecs *::after{box-sizing:border-box}
/* 페이지 본문(.en-prose — 링크 강조색 · 제목·문단 여백 · 그림 모서리) 안에 넣어도 모양이 바뀌지 않게 */
.ecs.ecs :is(h2,h3,p,ul,ol,li){margin:0}
.ecs.ecs a{color:inherit;text-decoration:none}
.ecs.ecs .ecs__card,.ecs.ecs .ecs__more{color:var(--ecs-ink)}
.ecs.ecs img{border-radius:0;max-width:none}
.ecs.ecs .ecs__title{line-height:1.35}
.ecs__head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin:0 0 12px}
.ecs__title{margin:0;font-size:21px;font-weight:700;line-height:1.35;letter-spacing:-.02em;color:var(--ecs-ink)}
.ecs__tools{display:flex;align-items:center;gap:8px}
.ecs__more{font-size:14px;font-weight:600;color:var(--ecs-ink);text-decoration:none;white-space:nowrap}
.ecs__more:hover{text-decoration:underline;text-underline-offset:3px}
.ecs__frame{position:relative}
.ecs__track{list-style:none;margin:0;padding:6px 2px 16px;display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - (var(--ecs-per) - 1) * var(--ecs-gap)) / var(--ecs-per));gap:var(--ecs-gap);overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x mandatory;scroll-behavior:smooth;scrollbar-width:none;-webkit-overflow-scrolling:touch;outline:none}
.ecs__track::-webkit-scrollbar{display:none}
.ecs__track:focus-visible{box-shadow:0 0 0 2px var(--ecs-ink);border-radius:14px}
.ecs.is-drag .ecs__track{scroll-snap-type:none;scroll-behavior:auto;cursor:grabbing}
.ecs.is-drag .ecs__card{pointer-events:none}
.ecs__item{scroll-snap-align:start;min-width:0;margin:0;padding:0}
.ecs__card{display:flex;flex-direction:column;gap:12px;height:100%;color:inherit;text-decoration:none;-webkit-user-drag:none}
.ecs__card:focus-visible{outline:3px solid color-mix(in srgb,var(--ecs-ac) 45%,transparent);outline-offset:3px;border-radius:16px}
.ecs__thumb{position:relative;display:block;aspect-ratio:var(--ecs-ratio);border-radius:16px;overflow:hidden;background:var(--pastel-purple,#E4D6F7)}
.ecs__thumb img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .45s cubic-bezier(.2,.8,.2,1);user-select:none}
.ecs__card:hover .ecs__thumb img{transform:scale(1.045)}
.ecs__ph{display:grid;place-items:center;height:100%;font-size:40px;font-weight:800;color:rgba(28,28,40,.3)}
.ecs__badges{position:absolute;top:10px;left:10px;display:flex;gap:6px;z-index:2}
.ecs__badge{padding:3px 9px;border-radius:9999px;font-style:normal;font-size:11px;font-weight:800;letter-spacing:.02em;line-height:1.5;background:var(--ecs-card);color:var(--ecs-ink);box-shadow:0 2px 8px rgba(28,28,40,.12)}
.ecs__badge--new{background:var(--ecs-ac);color:#fff}
.ecs__badge--free{background:var(--pastel-mint,#D8F3E3)}
.ecs__body{display:flex;flex-direction:column;gap:5px;padding:0 4px;min-width:0;flex:1}
.ecs__cat{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--ecs-mut)}
.ecs__name{font-size:15.5px;font-weight:700;line-height:1.4;letter-spacing:-.01em;color:var(--ecs-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ecs__ex{font-size:13px;line-height:1.5;color:var(--ecs-mut);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ecs__meta{display:flex;align-items:center;flex-wrap:wrap;gap:4px 6px;font-size:12.5px;color:var(--ecs-mut)}
.ecs__dot{opacity:.6}
.ecs__who{display:inline-flex;align-items:center;gap:6px;color:var(--ecs-ink);font-weight:600}
.ecs__av{width:20px;height:20px;border-radius:50%;background:var(--pastel-purple,#E4D6F7);display:grid;place-items:center;font-size:10px;font-weight:800;color:var(--ecs-ink)}
.ecs__star b{color:var(--ecs-ac);font-weight:700}
.ecs__chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.ecs__chips i{font-style:normal;padding:3px 9px;border-radius:6px;background:color-mix(in srgb,var(--ecs-ink) 6%,transparent);font-size:12px;font-weight:600;line-height:1.5;color:color-mix(in srgb,var(--ecs-ink) 75%,transparent)}
.ecs__foot{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto;padding-top:6px}
.ecs__price{display:inline-flex;align-items:baseline;flex-wrap:wrap;gap:2px 6px;font-size:16px}
.ecs__price b{font-weight:800;letter-spacing:-.01em}
.ecs__price em{font-style:normal;font-weight:800;color:var(--ecs-err)}
.ecs__price del{font-size:12px;color:var(--ecs-mut)}
.ecs__price.is-free b{color:var(--ecs-ok)}
.ecs__go{font-size:14px;font-weight:700;color:var(--ecs-ink);white-space:nowrap}
.ecs__card:hover .ecs__go span{display:inline-block;transform:translateX(3px);transition:transform .15s ease}

/* 화살표 — 양옆(썸네일 가운데 높이) · 제목 줄 오른쪽 · 없음 */
.ecs__arrow{position:absolute;z-index:4;top:var(--ecs-mid);display:grid;place-items:center;width:48px;height:48px;margin-top:-24px;padding:0;border:0;border-radius:50%;background:var(--ecs-card);color:var(--ecs-ink);box-shadow:0 6px 18px rgba(28,28,40,.12);cursor:pointer;transition:opacity .2s ease,transform .2s ease,box-shadow .2s ease}
.ecs__arrow:hover{transform:scale(1.06);box-shadow:0 8px 22px rgba(28,28,40,.16)}
.ecs__arrow:disabled{opacity:.4;cursor:default;transform:none}
.ecs__arrow:focus-visible{outline:3px solid color-mix(in srgb,var(--ecs-ac) 45%,transparent);outline-offset:2px}
.ecs__arrow--prev{left:-72px}.ecs__arrow--next{right:-72px}
.ecs--arrows-top .ecs__arrow{position:static;margin:0;width:40px;height:40px;box-shadow:var(--ecs-sh)}
.ecs__dots{display:flex;justify-content:center;gap:6px;margin-top:2px}
.ecs__dots button{width:8px;height:8px;padding:0;border:0;border-radius:9999px;background:color-mix(in srgb,var(--ecs-ink) 18%,transparent);cursor:pointer;transition:width .3s ease,background-color .3s ease}
.ecs__dots button.is-on{width:22px;background:var(--ecs-ink)}

/* ── 카드형 ── */
.ecs--card .ecs__card{gap:0;border-radius:18px;background:var(--ecs-card);box-shadow:var(--ecs-sh);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease}
.ecs--card .ecs__card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(28,28,40,.1)}
.ecs--card .ecs__thumb{border-radius:0}
.ecs--card .ecs__body{padding:16px 18px 18px;gap:7px}
.ecs--card .ecs__foot{border-top:2px solid var(--ecs-bg);margin-top:auto;padding-top:12px}

/* ── 포스터형 ── */
.ecs--poster .ecs__card{position:relative}
.ecs--poster .ecs__thumb{border-radius:20px;box-shadow:var(--ecs-sh)}
.ecs--poster .ecs__body{position:absolute;left:10px;right:10px;bottom:10px;z-index:2;flex:none;gap:4px;padding:13px 14px 12px;border-radius:16px;background:color-mix(in srgb,var(--ecs-card) 92%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 10px 28px rgba(28,28,40,.16)}
.ecs--poster .ecs__name{font-size:14.5px}
.ecs--poster .ecs__chips{margin-top:2px}

/* ── 랭킹형 ── */
.ecs--rank .ecs__card{padding-left:46px}
.ecs--rank .ecs__thumb{overflow:visible;background:none}
.ecs--rank .ecs__thumb img{border-radius:16px;background:var(--pastel-purple,#E4D6F7)}
.ecs--rank .ecs__card:hover .ecs__thumb img{transform:translateY(-3px)}
.ecs--rank .ecs__rank{position:absolute;left:-50px;bottom:-10px;z-index:1;font-size:92px;font-weight:900;line-height:1;letter-spacing:-.07em;color:var(--ecs-bg);-webkit-text-stroke:2px var(--ecs-ink);paint-order:stroke fill;font-variant-numeric:tabular-nums;pointer-events:none}
.ecs--rank .ecs__badges{left:10px}
.ecs--rank .ecs__body{padding-left:2px}

/* ── 컴팩트 리스트 (두 줄) ── */
.ecs--compact{--ecs-gap:14px}
.ecs--compact .ecs__track{grid-template-rows:repeat(2,auto)}
.ecs--compact .ecs__card{flex-direction:row;align-items:center;gap:14px;padding:10px;border-radius:16px;background:var(--ecs-card);box-shadow:var(--ecs-sh);transition:transform .2s ease}
.ecs--compact .ecs__card:hover{transform:translateY(-2px)}
.ecs--compact .ecs__thumb{flex:0 0 112px;border-radius:12px}
.ecs--compact .ecs__body{padding:0;gap:3px}
.ecs--compact .ecs__name{font-size:14.5px;-webkit-line-clamp:1}
.ecs--compact .ecs__chips{margin-top:2px}
.ecs--compact .ecs__badges{top:6px;left:6px}
.ecs--compact .ecs__badge{padding:1px 7px;font-size:10px}
.ecs--compact .ecs__foot{padding-top:2px}
.ecs--compact .ecs__price{font-size:14px}
.ecs--compact{--ecs-mid:50%}

/* ── 피처드형 ── */
.ecs--feature{--ecs-gap:24px}
.ecs--feature .ecs__card{flex-direction:row;gap:0;border-radius:22px;background:var(--ecs-card);box-shadow:var(--ecs-sh);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease}
.ecs--feature .ecs__card:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(28,28,40,.1)}
.ecs--feature .ecs__thumb{flex:0 0 46%;border-radius:0;aspect-ratio:auto;min-height:250px}
.ecs--feature .ecs__body{padding:24px 26px;gap:8px}
.ecs--feature .ecs__name{font-size:19px;line-height:1.35}
.ecs--feature .ecs__ex{white-space:normal;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical}
.ecs--feature .ecs__foot{padding-top:14px}
.ecs--feature{--ecs-mid:50%}

/* ── 강의 목록 그리드 (/courses · [course_list] · 카테고리 페이지) — 같은 카드를 여러 줄로, 화면이 좁아지면 열을 줄인다 ── */
.ecs--grid{--ecs-cols:var(--ecs-per);--ecs-row:34px}
.ecs.ecs--grid .ecs__grid{list-style:none;margin:0;padding:6px 2px 8px;display:grid;grid-template-columns:repeat(var(--ecs-cols),minmax(0,1fr));gap:var(--ecs-row) var(--ecs-gap)}
.ecs.ecs--grid .ecs__item{list-style:none}
.ecs--grid.ecs--compact{--ecs-row:14px}
.ecs--grid.ecs--feature{--ecs-row:24px}
@media (max-width:1100px){.ecs--grid.ecs--cols-5,.ecs--grid.ecs--cols-6{--ecs-cols:4}}
@media (max-width:960px){.ecs--grid.ecs--cols-4,.ecs--grid.ecs--cols-5,.ecs--grid.ecs--cols-6{--ecs-cols:3}.ecs--grid.ecs--feature{--ecs-cols:1}}
@media (max-width:760px){.ecs--grid.ecs--grid{--ecs-cols:2;--ecs-row:26px}.ecs--grid.ecs--grid:is(.ecs--compact,.ecs--feature){--ecs-cols:1}}
@media (max-width:640px){
  .ecs--grid .ecs__card{gap:10px}
  .ecs--grid .ecs__thumb{border-radius:14px}
  .ecs--grid .ecs__body{padding:0 2px;gap:4px}
  .ecs--grid .ecs__name{font-size:14.5px}
  .ecs--grid .ecs__ex{font-size:12.5px}
  .ecs--grid .ecs__price{font-size:15px}
  .ecs--grid.ecs--rank .ecs__card{padding-left:28px}
  .ecs--grid.ecs--rank .ecs__rank{left:-32px;font-size:60px}
}

@media (max-width:1400px){.ecs__arrow--prev{left:-20px}.ecs__arrow--next{right:-20px}}
/* 태블릿: 옆 여백이 좁아 화살표가 화면 밖으로 밀리지 않게 안쪽에 */
@media (max-width:1024px){.ecs__arrow--prev{left:6px}.ecs__arrow--next{right:6px}}
@media (max-width:900px){
  .ecs--feature .ecs__card{flex-direction:column}
  .ecs--feature .ecs__thumb{flex:none;aspect-ratio:16/10;min-height:0}
}
@media (max-width:640px){
  .ecs{--ecs-gap:14px}
  .ecs__arrow{display:none}
  .ecs--arrows-top .ecs__arrow{display:grid}
  .ecs__title{font-size:19px}
  .ecs--rank .ecs__card{padding-left:36px}
  .ecs--rank .ecs__rank{left:-40px;font-size:72px}
  .ecs--compact .ecs__thumb{flex-basis:92px}
}
@media (prefers-reduced-motion:reduce){
  .ecs__track{scroll-behavior:auto}
  .ecs *{transition:none!important}
}