:root {
  --bg: #f6f7fb;
  --surface: #ffffff;
  --surface-2: #f1f3f9;
  --line: #e4e7f0;
  --text: #121528;
  --text-2: #4a5070;
  --text-3: #8389a6;
  --brand: #4f46e5;
  --brand-2: #7c3aed;
  --brand-soft: #eef0ff;
  --ok: #059669;
  --danger: #dc2626;
  --warn: #d97706;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 1px 2px rgba(18, 21, 40, .04), 0 8px 24px rgba(18, 21, 40, .06);
  --shadow-lg: 0 2px 6px rgba(18, 21, 40, .06), 0 24px 48px rgba(18, 21, 40, .12);
  --font: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Malgun Gothic', sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0d17;
    --surface: #131628;
    --surface-2: #1a1e35;
    --line: #262b47;
    --text: #eceefb;
    --text-2: #b1b6d4;
    --text-3: #7b81a3;
    --brand: #818cf8;
    --brand-2: #a78bfa;
    --brand-soft: #1f2245;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
    --shadow-lg: 0 2px 6px rgba(0, 0, 0, .35), 0 24px 48px rgba(0, 0, 0, .45);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); line-height: 1.6; letter-spacing: -.01em; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
img { max-width: 100%; }
.container { width: min(1180px, 100% - 32px); margin: 0 auto; }
.hidden { display: none !important; }

/* ---------- 상단바 ---------- */
.topbar { position: sticky; top: 0; z-index: 50; backdrop-filter: saturate(160%) blur(14px); background: color-mix(in srgb, var(--bg) 78%, transparent); border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent); }
.topbar .container { display: flex; align-items: center; gap: 16px; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; letter-spacing: -.02em; }
.logo-mark { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; color: #fff; background: linear-gradient(135deg, var(--brand), var(--brand-2)); box-shadow: 0 6px 16px color-mix(in srgb, var(--brand) 40%, transparent); font-size: 15px; }
.logo small { display: block; font-weight: 500; font-size: 11px; color: var(--text-3); letter-spacing: .02em; margin-top: -3px; }
.topbar .spacer { flex: 1; }
.nav-link { font-size: 14px; color: var(--text-2); padding: 8px 12px; border-radius: 10px; transition: background .15s; }
.nav-link:hover { background: var(--surface-2); color: var(--text); }

/* ---------- 버튼 ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 40px; padding: 0 16px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); font-weight: 600; font-size: 14px; cursor: pointer; transition: transform .1s, background .15s, border-color .15s, box-shadow .15s; white-space: nowrap; }
.btn:hover { border-color: color-mix(in srgb, var(--brand) 40%, var(--line)); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; border: 0; box-shadow: 0 6px 16px color-mix(in srgb, var(--brand) 35%, transparent); }
.btn-primary:hover { box-shadow: 0 10px 24px color-mix(in srgb, var(--brand) 45%, transparent); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-2); }
.btn-ghost:hover { background: var(--surface-2); color: var(--text); border-color: transparent; }
.btn-danger { color: var(--danger); }
.btn-danger:hover { border-color: var(--danger); background: color-mix(in srgb, var(--danger) 8%, var(--surface)); }
.btn-sm { height: 32px; padding: 0 12px; font-size: 13px; border-radius: 10px; }
.btn-icon { width: 34px; height: 34px; padding: 0; border-radius: 10px; }

/* ---------- 히어로 ---------- */
.hero { position: relative; overflow: hidden; padding: 84px 0 64px; }
.hero::before { content: ''; position: absolute; inset: -40% -10% auto; height: 620px; background:
  radial-gradient(40% 50% at 20% 40%, color-mix(in srgb, var(--brand) 26%, transparent), transparent 70%),
  radial-gradient(35% 45% at 80% 30%, color-mix(in srgb, var(--brand-2) 22%, transparent), transparent 70%),
  radial-gradient(30% 40% at 55% 70%, color-mix(in srgb, #06b6d4 14%, transparent), transparent 70%);
  filter: blur(10px); z-index: -1; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); font-size: 13px; font-weight: 600; color: var(--text-2); box-shadow: var(--shadow); }
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px color-mix(in srgb, var(--ok) 20%, transparent); }
.hero h1 { word-break: keep-all; font-size: clamp(30px, 5.4vw, 60px); line-height: 1.12; margin: 22px 0 16px; letter-spacing: -.035em; font-weight: 800; }
.hero h1 .line2 { font-size: .8em; }
.hero h1 .grad { background: linear-gradient(120deg, var(--brand), var(--brand-2) 60%, #06b6d4); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: clamp(16px, 1.8vw, 19px); color: var(--text-2); max-width: 640px; margin: 0; }
.hero-stats { display: flex; gap: 32px; margin-top: 36px; flex-wrap: wrap; }
.hero-stats b { display: block; font-size: 28px; font-weight: 800; letter-spacing: -.02em; }
.hero-stats span { font-size: 13px; color: var(--text-3); }

/* ---------- 검색 ---------- */
.toolbar { display: flex; gap: 12px; align-items: center; margin-bottom: 24px; flex-wrap: wrap; }
.toolbar h2 { margin: 0; font-size: 22px; letter-spacing: -.02em; }
.search { position: relative; flex: 1; min-width: 220px; max-width: 360px; margin-left: auto; }
.search i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--text-3); font-size: 14px; }
.search input { width: 100%; height: 42px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); padding: 0 14px 0 38px; outline: none; transition: border-color .15s, box-shadow .15s; }
.search input:focus { border-color: var(--brand); box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 15%, transparent); }

/* ---------- 과정 카드 ---------- */
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
@media (max-width: 1000px) { .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.course-card { position: relative; display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s, border-color .2s; }
.course-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: color-mix(in srgb, var(--c1) 40%, var(--line)); }
.course-cover { position: relative; height: 150px; background: linear-gradient(135deg, var(--c1), var(--c2)); padding: 20px; color: #fff; overflow: hidden; }
.course-cover::after { content: ''; position: absolute; inset: 0; background:
  radial-gradient(60% 80% at 100% 0%, rgba(255,255,255,.28), transparent 60%),
  repeating-linear-gradient(135deg, rgba(255,255,255,.06) 0 2px, transparent 2px 14px); }
.course-cover .big-icon { position: absolute; right: -10px; bottom: -22px; font-size: 120px; opacity: .18; transform: rotate(-12deg); }
.course-cover .badge { position: relative; z-index: 1; }
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; background: rgba(255,255,255,.2); backdrop-filter: blur(6px); border: 1px solid rgba(255,255,255,.25); }
.course-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.course-body h3 { margin: 0 0 4px; font-size: 20px; letter-spacing: -.02em; line-height: 1.3; }
.course-body .sub { color: var(--text-2); font-size: 14px; margin: 0 0 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.chip { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; padding: 4px 10px; border-radius: 999px; background: var(--surface-2); color: var(--text-2); border: 1px solid var(--line); max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chip.more { color: var(--text-3); }
.course-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; padding-top: 14px; border-top: 1px dashed var(--line); font-size: 13px; color: var(--text-3); }
.course-foot .go { font-weight: 700; color: var(--c1); display: inline-flex; align-items: center; gap: 6px; transition: gap .2s; }
.course-card:hover .go { gap: 10px; }
.course-card .stretch { position: absolute; inset: 0; z-index: 2; }

.empty { text-align: center; padding: 72px 20px; border: 1px dashed var(--line); border-radius: var(--radius); background: var(--surface); color: var(--text-2); }
.empty > i { font-size: 36px; color: var(--text-3); margin-bottom: 12px; }
.empty h3 { margin: 6px 0; color: var(--text); }

/* ---------- 과정 상세 ---------- */
.course-hero { position: relative; color: #fff; background: linear-gradient(135deg, var(--c1), var(--c2)); overflow: hidden; }
.course-hero::after { content: ''; position: absolute; inset: 0; background: radial-gradient(50% 90% at 90% 0%, rgba(255,255,255,.25), transparent 60%), repeating-linear-gradient(135deg, rgba(255,255,255,.05) 0 2px, transparent 2px 16px); pointer-events: none; }
.course-hero .container { position: relative; z-index: 1; padding: 56px 0 64px; }
.course-hero .big-icon { position: absolute; right: 2%; bottom: -40px; font-size: 240px; opacity: .14; transform: rotate(-12deg); }
.course-hero h1 { font-size: clamp(30px, 4.6vw, 50px); margin: 16px 0 8px; letter-spacing: -.03em; line-height: 1.15; }
.course-hero .sub { font-size: 18px; opacity: .92; margin: 0; max-width: 760px; }
.course-hero .meta { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }
.course-hero .back { color: rgba(255,255,255,.85); font-size: 14px; display: inline-flex; gap: 8px; align-items: center; }
.course-hero .back:hover { color: #fff; }
.desc-box { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 28px; margin: -36px 0 32px; position: relative; z-index: 2; box-shadow: var(--shadow-lg); white-space: pre-wrap; color: var(--text-2); }
.desc-box h2 { font-size: 15px; margin: 0 0 8px; color: var(--text); letter-spacing: 0; }
.items { display: flex; flex-direction: column; gap: 14px; counter-reset: step; }
.item { position: relative; display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center; padding: 18px 20px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); transition: transform .15s, box-shadow .15s, border-color .15s; }
.item:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); border-color: color-mix(in srgb, var(--ic1) 45%, var(--line)); }
.item-num { position: absolute; left: -14px; top: 50%; transform: translateY(-50%); width: 28px; height: 28px; border-radius: 50%; background: var(--surface); border: 1px solid var(--line); display: grid; place-items: center; font-size: 12px; font-weight: 800; color: var(--text-2); box-shadow: var(--shadow); }
.item-icon { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; color: #fff; font-size: 22px; background: linear-gradient(135deg, var(--ic1), var(--ic2)); box-shadow: 0 8px 18px color-mix(in srgb, var(--ic1) 35%, transparent); }
.item h3 { margin: 0; font-size: 17px; letter-spacing: -.01em; }
.item .kind { font-size: 12px; font-weight: 700; color: var(--text-3); text-transform: uppercase; letter-spacing: .06em; }
.item p { margin: 6px 0 0; color: var(--text-2); font-size: 14px; white-space: pre-wrap; }
.item .open { font-weight: 700; font-size: 14px; color: var(--ic1); display: inline-flex; align-items: center; gap: 6px; }
.item .stretch { position: absolute; inset: 0; border-radius: inherit; }
.stats { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.stats .chip b { color: var(--text); }

/* ---------- 폼 / 패널 ---------- */
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.panel-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 12px; padding: 18px 22px; border-bottom: 1px solid var(--line); }
.panel-head h2, .panel-head h3 { margin: 0; font-size: 17px; letter-spacing: -.01em; }
.panel-body { padding: 22px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field label { font-size: 13px; font-weight: 700; color: var(--text-2); }
.field .hint { font-size: 12px; color: var(--text-3); }
.input, textarea.input, select.input { width: 100%; min-height: 42px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); padding: 9px 13px; outline: none; transition: border-color .15s, box-shadow .15s; }
textarea.input { resize: vertical; min-height: 90px; line-height: 1.55; }
.input:focus { border-color: var(--brand); box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 15%, transparent); }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 640px) { .row { grid-template-columns: 1fr; } }

.swatches { display: flex; gap: 8px; flex-wrap: wrap; }
.swatch { width: 34px; height: 34px; border-radius: 10px; border: 2px solid transparent; cursor: pointer; background: linear-gradient(135deg, var(--c1), var(--c2)); outline: none; transition: transform .1s; }
.swatch:hover { transform: scale(1.06); }
.swatch[aria-pressed="true"] { border-color: var(--surface); box-shadow: 0 0 0 2px var(--text); }

.switch { position: relative; display: inline-flex; align-items: center; gap: 10px; cursor: pointer; font-size: 14px; font-weight: 600; }
.switch input { position: absolute; opacity: 0; }
.switch .track { width: 42px; height: 24px; border-radius: 999px; background: var(--line); position: relative; transition: background .2s; }
.switch .track::after { content: ''; position: absolute; left: 3px; top: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.25); transition: transform .2s; }
.switch input:checked + .track { background: var(--ok); }
.switch input:checked + .track::after { transform: translateX(18px); }
.switch input:focus-visible + .track { box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 25%, transparent); }

/* ---------- 관리자 ---------- */
.admin-wrap { padding: 32px 0 80px; }
.page-title { display: flex; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.page-title h1 { margin: 0; font-size: 28px; letter-spacing: -.03em; }
.page-title p { margin: 4px 0 0; color: var(--text-2); font-size: 14px; }
.page-title .actions { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }
.notice { display: flex; gap: 12px; align-items: flex-start; padding: 14px 18px; border-radius: 14px; background: color-mix(in srgb, var(--warn) 10%, var(--surface)); border: 1px solid color-mix(in srgb, var(--warn) 35%, var(--line)); margin-bottom: 20px; font-size: 14px; }
.notice i { color: var(--warn); margin-top: 3px; }
.notice .btn { margin-left: auto; }

.admin-list { display: flex; flex-direction: column; gap: 10px; }
.admin-row { display: grid; grid-template-columns: auto auto 1fr auto auto; gap: 16px; align-items: center; padding: 14px 16px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; transition: border-color .15s, box-shadow .15s; }
.admin-row:hover { border-color: color-mix(in srgb, var(--brand) 35%, var(--line)); box-shadow: var(--shadow); }
.admin-row.dragging { opacity: .5; }
.admin-row.drop-before { box-shadow: 0 -3px 0 var(--brand); }
.admin-row.drop-after { box-shadow: 0 3px 0 var(--brand); }
.handle { cursor: grab; color: var(--text-3); padding: 6px; }
.thumb { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; color: #fff; font-size: 18px; background: linear-gradient(135deg, var(--c1), var(--c2)); }
.admin-row h3 { margin: 0; font-size: 16px; }
.admin-row .meta { font-size: 13px; color: var(--text-3); display: flex; gap: 12px; flex-wrap: wrap; margin-top: 2px; }
.admin-row .acts { display: flex; gap: 6px; align-items: center; }
.status { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 700; padding: 3px 9px; border-radius: 999px; }
.status.on { color: var(--ok); background: color-mix(in srgb, var(--ok) 12%, transparent); }
.status.off { color: var(--text-3); background: var(--surface-2); }
@media (max-width: 720px) {
  .admin-row { grid-template-columns: auto 1fr; }
  .admin-row .handle { display: none; }
  .admin-row .acts { grid-column: 1 / -1; justify-content: flex-end; flex-wrap: wrap; }
}

/* 편집 화면 */
.editor { display: grid; grid-template-columns: minmax(0, 380px) minmax(0, 1fr); gap: 22px; align-items: start; }
.editor .sticky { position: sticky; top: 84px; }
@media (max-width: 960px) { .editor { grid-template-columns: 1fr; } .editor .sticky { position: static; } }
.edit-items { display: flex; flex-direction: column; gap: 10px; }
.edit-item { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; transition: border-color .15s, box-shadow .15s; }
.edit-item.dragging { opacity: .5; }
.edit-item.drop-before { box-shadow: 0 -3px 0 var(--brand); }
.edit-item.drop-after { box-shadow: 0 3px 0 var(--brand); }
.edit-item-head { display: grid; grid-template-columns: auto auto auto 1fr auto; gap: 12px; align-items: center; padding: 12px 14px; }
.edit-item .no { font-size: 12px; font-weight: 800; color: var(--text-3); min-width: 20px; text-align: center; }
.edit-item .mini { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; color: #fff; font-size: 15px; background: linear-gradient(135deg, var(--ic1), var(--ic2)); }
.edit-item .t { min-width: 0; }
.edit-item .t b { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.edit-item .t span { font-size: 12px; color: var(--text-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }
.edit-item-body { padding: 0 14px 14px; display: none; }
.edit-item.open .edit-item-body { display: block; }
.edit-item.open { border-color: color-mix(in srgb, var(--brand) 45%, var(--line)); box-shadow: var(--shadow); }
.edit-item .acts { display: flex; gap: 2px; }
.preview-line { font-size: 13px; color: var(--text-2); padding: 0 14px 12px 104px; margin-top: -4px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.edit-item.open .preview-line { display: none; }
@media (max-width: 640px) { .preview-line { padding-left: 14px; } .edit-item-head { grid-template-columns: auto auto 1fr auto; } .edit-item .no { display: none; } }

.savebar { position: sticky; bottom: 16px; z-index: 40; display: flex; align-items: center; gap: 12px; padding: 12px 14px 12px 20px; margin-top: 22px; background: color-mix(in srgb, var(--surface) 92%, transparent); backdrop-filter: blur(12px); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow-lg); }
.savebar .state { font-size: 14px; color: var(--text-2); display: flex; align-items: center; gap: 8px; }
.savebar .state .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); }
.savebar.dirty .state .dot { background: var(--warn); }
.savebar .spacer { flex: 1; }

/* ---------- 모달 ---------- */
.modal-back { position: fixed; inset: 0; z-index: 100; background: rgba(10, 12, 25, .55); backdrop-filter: blur(4px); display: grid; place-items: center; padding: 16px; animation: fade .15s; }
.modal { width: min(560px, 100%); max-height: calc(100vh - 32px); display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow-lg); animation: pop .18s; }
.modal.wide { width: min(980px, 100%); }
.modal-head { display: flex; align-items: center; gap: 12px; padding: 18px 22px; border-bottom: 1px solid var(--line); }
.modal-head h3 { margin: 0; font-size: 18px; }
.modal-body { padding: 20px 22px; overflow: auto; }
.modal-foot { display: flex; gap: 8px; justify-content: flex-end; align-items: center; padding: 14px 22px; border-top: 1px solid var(--line); }
@keyframes fade { from { opacity: 0; } }
@keyframes pop { from { opacity: 0; transform: translateY(8px) scale(.98); } }

/* 강좌 선택기 */
.picker-tools { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.picker-tools .search { max-width: none; margin: 0; }
.tabs { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 4px; margin-bottom: 14px; scrollbar-width: thin; }
.tab { flex: none; height: 32px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); font-size: 13px; font-weight: 600; color: var(--text-2); cursor: pointer; }
.tab[aria-pressed="true"] { background: var(--text); color: var(--bg); border-color: var(--text); }
.pick-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; }
.pick { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; text-align: left; padding: 12px; border-radius: 14px; border: 1px solid var(--line); background: var(--surface); cursor: pointer; transition: border-color .15s, background .15s; }
.pick:hover { border-color: color-mix(in srgb, var(--brand) 40%, var(--line)); }
.pick[aria-pressed="true"] { border-color: var(--brand); background: var(--brand-soft); }
.pick[disabled] { opacity: .5; cursor: default; }
.pick .mini { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; color: #fff; background: linear-gradient(135deg, var(--ic1), var(--ic2)); }
.pick b { display: block; font-size: 14px; line-height: 1.3; }
.pick span { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-size: 12px; color: var(--text-3); line-height: 1.4; margin-top: 2px; }
.pick .check { width: 22px; height: 22px; border-radius: 7px; border: 2px solid var(--line); display: grid; place-items: center; color: transparent; font-size: 11px; }
.pick[aria-pressed="true"] .check { background: var(--brand); border-color: var(--brand); color: #fff; }

/* 로그인 */
.login-wrap { min-height: calc(100vh - 64px); display: grid; place-items: center; padding: 32px 16px; }
.login-card { width: min(400px, 100%); padding: 36px 32px; text-align: center; }
.login-card .logo-mark { width: 56px; height: 56px; border-radius: 16px; font-size: 24px; margin: 0 auto 18px; }
.login-card h1 { margin: 0 0 6px; font-size: 24px; letter-spacing: -.02em; }
.login-card p { margin: 0 0 24px; color: var(--text-2); font-size: 14px; }
.login-card .input { text-align: center; height: 48px; font-size: 16px; }
.login-card .btn { width: 100%; height: 48px; margin-top: 12px; font-size: 15px; }
.error-text { color: var(--danger); font-size: 13px; min-height: 20px; margin-top: 10px; }

/* 토스트 */
.toasts { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 200; display: flex; flex-direction: column; gap: 8px; align-items: center; pointer-events: none; }
.toast { display: flex; align-items: center; gap: 10px; padding: 12px 18px; border-radius: 14px; background: var(--text); color: var(--bg); font-size: 14px; font-weight: 600; box-shadow: var(--shadow-lg); animation: pop .2s; max-width: calc(100vw - 32px); }
.toast.error { background: var(--danger); color: #fff; }

footer.site { padding: 40px 0; color: var(--text-3); font-size: 13px; border-top: 1px solid var(--line); margin-top: 72px; }
footer.site .container { display: flex; gap: 12px; flex-wrap: wrap; justify-content: space-between; }

.skeleton { background: linear-gradient(90deg, var(--surface-2), color-mix(in srgb, var(--surface-2) 50%, var(--surface)), var(--surface-2)); background-size: 200% 100%; animation: shimmer 1.2s infinite; border-radius: var(--radius); }
@keyframes shimmer { to { background-position: -200% 0; } }

@media (max-width: 640px) {
  .hero { padding: 56px 0 44px; }
  .grid { grid-template-columns: 1fr; }
  .item { grid-template-columns: auto 1fr; padding: 16px; gap: 14px; }
  .item .open { grid-column: 2; }
  .item-icon { width: 46px; height: 46px; font-size: 18px; border-radius: 13px; }
  .item-num { display: none; }
  .desc-box { padding: 20px; }
  .topbar .nav-text { display: none; }
}

/* ---------- 그룹 (편집) ---------- */
.edit-group { margin-top: 14px; border-radius: 16px; background: var(--brand-soft); border: 1px solid color-mix(in srgb, var(--brand) 30%, var(--line)); }
.edit-group:first-child { margin-top: 0; }
.edit-group.drop-before { box-shadow: 0 -3px 0 var(--brand); }
.edit-group.drop-after { box-shadow: 0 3px 0 var(--brand); }
.edit-group-head { display: grid; grid-template-columns: auto 1fr auto auto; gap: 10px; align-items: center; padding: 10px 12px; }
.edit-group .gicon { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; color: #fff; background: linear-gradient(135deg, var(--brand), var(--brand-2)); }
.edit-group .gname { font-weight: 800; font-size: 16px; min-height: 38px; background: var(--surface); }
.edit-group .gcount { font-size: 13px; font-weight: 700; color: var(--brand); white-space: nowrap; }
.edit-group .acts { display: flex; gap: 2px; }
.edit-group-body { display: none; padding: 0 12px 12px 60px; }
.edit-group.open .edit-group-body { display: block; }
.edit-group-body textarea { min-height: 60px; }
.edit-item.in-group { margin-left: 22px; }
@media (max-width: 640px) {
  .edit-group-head { grid-template-columns: auto 1fr auto; }
  .edit-group .acts { grid-column: 1 / -1; justify-content: flex-end; flex-wrap: wrap; }
  .edit-group-body { padding-left: 12px; }
  .edit-item.in-group { margin-left: 10px; }
}

/* ---------- 그룹 · 강좌 카드 (과정 페이지, 한 행에 3개) ---------- */
.group-block { margin-bottom: 44px; }
.group-head { display: flex; align-items: flex-end; gap: 14px; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.group-head .gno { flex: none; width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; font-weight: 800; color: #fff; background: linear-gradient(135deg, var(--c1), var(--c2)); box-shadow: 0 6px 16px color-mix(in srgb, var(--c1) 35%, transparent); }
.group-head h2 { margin: 0; font-size: 21px; letter-spacing: -.02em; line-height: 1.3; }
.group-head p { margin: 2px 0 0; color: var(--text-2); font-size: 14px; white-space: pre-wrap; }
.group-head .cnt { margin-left: auto; flex: none; font-size: 13px; color: var(--text-3); font-weight: 600; }
.lec-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
@media (max-width: 1000px) { .lec-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .lec-grid { grid-template-columns: 1fr; } .group-head { flex-wrap: wrap; } .group-head .cnt { margin-left: 54px; } }
.lec-card { position: relative; display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; transition: transform .15s, box-shadow .15s, border-color .15s; }
.lec-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: color-mix(in srgb, var(--ic1) 45%, var(--line)); }
.lec-card .bar { height: 4px; background: linear-gradient(90deg, var(--ic1), var(--ic2)); }
.lec-card .in { padding: 18px 18px 16px; display: flex; flex-direction: column; flex: 1; }
.lec-card .top { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.lec-card .item-icon { width: 46px; height: 46px; border-radius: 13px; font-size: 18px; flex: none; }
.lec-card .num { margin-left: auto; align-self: flex-start; font-size: 12px; font-weight: 800; color: var(--text-3); background: var(--surface-2); border-radius: 999px; padding: 2px 9px; }
.lec-card .kind { font-size: 11px; font-weight: 700; color: var(--text-3); text-transform: uppercase; letter-spacing: .05em; line-height: 1.3; }
.lec-card h3 { margin: 2px 0 0; font-size: 17px; letter-spacing: -.01em; line-height: 1.3; }
.lec-card p { margin: 0; color: var(--text-2); font-size: 14px; line-height: 1.6; white-space: pre-wrap; display: -webkit-box; -webkit-line-clamp: 5; -webkit-box-orient: vertical; overflow: hidden; }
.lec-card .stats { margin-top: 12px; }
.lec-card .foot { margin-top: auto; padding-top: 14px; display: flex; justify-content: flex-end; }
.lec-card .open { font-weight: 700; font-size: 14px; color: var(--ic1); display: inline-flex; align-items: center; gap: 6px; }
.lec-card .stretch { position: absolute; inset: 0; }
main.container { padding-bottom: 80px; }

/* ---------- 대문 과정 그룹 (관리자) ---------- */
.cat-panel { margin-bottom: 28px; }
.cat-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.cat-row { display: grid; grid-template-columns: auto minmax(0, 1fr) minmax(0, 1.4fr) auto auto; gap: 10px; align-items: center; }
.cat-row .cat-no { width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; font-size: 12px; font-weight: 800; color: #fff; background: linear-gradient(135deg, var(--brand), var(--brand-2)); }
.cat-row input[data-k="name"] { font-weight: 700; }
.cat-row .cat-count { font-size: 13px; color: var(--text-3); white-space: nowrap; }
.cat-row .acts { display: flex; gap: 2px; }
.cat-empty { margin: 0 0 4px; font-size: 14px; color: var(--text-3); }
.cat-add { display: flex; gap: 8px; }
.cat-add .input { max-width: 320px; }
.cat-select { width: auto; min-height: 34px; padding: 4px 10px; font-size: 13px; max-width: 160px; }
@media (max-width: 720px) {
  .cat-row { grid-template-columns: auto 1fr auto; }
  .cat-row input[data-k="description"] { grid-column: 2 / -1; grid-row: 2; }
  .cat-row .cat-count { display: none; }
  .admin-row .cat-select { grid-column: 1 / -1; max-width: none; width: 100%; }
}

/* ---------- 대문 과정 그룹 (메인) ---------- */
.cat-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin: -8px 0 28px; }
.cat-section { margin-bottom: 48px; }
.cat-section-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.cat-section-head h3 { margin: 0; font-size: 22px; letter-spacing: -.02em; }
.cat-section-head p { margin: 0; color: var(--text-2); font-size: 14px; }
.cat-section-head .cnt { margin-left: auto; font-size: 13px; color: var(--text-3); font-weight: 600; }

/* ---------- 대문 문구 미리보기 (관리자) ---------- */
.site-preview { position: relative; overflow: hidden; border: 1px dashed var(--line); border-radius: 16px; padding: 36px 22px 22px; background:
  radial-gradient(60% 60% at 15% 30%, color-mix(in srgb, var(--brand) 14%, transparent), transparent 70%),
  radial-gradient(50% 60% at 90% 20%, color-mix(in srgb, var(--brand-2) 12%, transparent), transparent 70%), var(--bg); }
.site-preview .pv-label { position: absolute; top: 10px; right: 12px; font-size: 11px; font-weight: 700; color: var(--text-3); letter-spacing: .05em; }
.site-preview h1 { font-size: 26px; line-height: 1.2; margin: 14px 0 10px; letter-spacing: -.03em; font-weight: 800; word-break: keep-all; }
.site-preview h1 .line2 { font-size: .8em; }
.site-preview h1 .grad { background: linear-gradient(120deg, var(--brand), var(--brand-2) 60%, #06b6d4); -webkit-background-clip: text; background-clip: text; color: transparent; }
.site-preview p { margin: 0; font-size: 13px; color: var(--text-2); white-space: pre-wrap; }
.site-preview .eyebrow { font-size: 12px; padding: 4px 10px; }

/* ---------- 직접 등록 강좌 (관리자) ---------- */
.lec-list { display: flex; flex-direction: column; gap: 8px; }
.lec-row { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 10px 12px; border: 1px solid var(--line); border-radius: 14px; }
.lec-row .mini { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; color: #fff; background: linear-gradient(135deg, var(--ic1), var(--ic2)); }
.lec-row b { font-size: 15px; }
.lec-row .lec-url { display: block; font-size: 12px; color: var(--brand); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lec-row .lec-desc { display: block; font-size: 12px; color: var(--text-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lec-row .acts { display: flex; gap: 4px; }
@media (max-width: 640px) { .lec-row { grid-template-columns: auto minmax(0, 1fr); } .lec-row .acts { grid-column: 1 / -1; justify-content: flex-end; } }