*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;background:#F7F7ED;color:#173E2C;font-family:'Noto Sans KR',Arial,sans-serif;line-height:1.6;word-break:keep-all}
a{color:#173E2C}
.brand{background:#173E2C;color:#fff;font-size:13px;font-weight:700;line-height:1.5;text-align:center;padding:9px 16px}
.brand span{font-weight:400;opacity:.85;white-space:nowrap}
header{max-width:1000px;margin:0 auto;padding:18px 24px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;border-bottom:1px solid #D7DCCB}
.logo{font-size:30px;font-weight:900;letter-spacing:-2px;text-decoration:none}.logo span{color:#79A536}
#auth{display:flex;gap:12px;align-items:center;font-size:13px}.who{color:#4E5E52}
main{max-width:1000px;margin:0 auto;padding:40px 24px 80px}
.kicker{font-size:11px;font-weight:700;letter-spacing:2px;color:#4F7A1C}
h1{margin:6px 0 10px;font-size:clamp(28px,4.5vw,44px);line-height:1.25;letter-spacing:-1.5px}
.lead{margin:0 0 28px;color:#4E5E52;font-size:15px}
button{font:inherit;cursor:pointer}
.solid{border:0;border-radius:4px;background:#173E2C;color:#fff;font-weight:700;padding:12px 20px;font-size:14px}
.ghost{min-height:40px;border:1px solid #B9C2B0;border-radius:4px;background:transparent;color:#4E5E52;padding:6px 12px;font-size:12px}
.gate{display:flex;flex-direction:column;gap:10px;align-items:flex-start;padding:24px;border-radius:12px;background:#E6ECCB;max-width:520px}
.gate b{font-size:18px}.gate span{font-size:14px;color:#4E5E52}
main .gate{margin:12px 0}
/* 주차마다 한 줄 — 한 주의 강의는 세 칸까지 나란히, 폰에서는 한 칸씩 (2026-11-05) */
.weeks{display:flex;flex-direction:column;gap:16px}
.wk{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.wk:not(:has(.week:not([hidden]))){display:none}
@media (max-width:640px){.wk{grid-template-columns:1fr}}
@media (min-width:641px){.wk:has(.week:nth-child(4)){grid-template-columns:repeat(4,1fr)}} /* 1주차 강의 넷(2026-11-06 ④ 나레이션) — 넓은 화면은 한 줄 4칸 */
.week{display:block;padding:22px;border-radius:12px;background:#fff;border:1px solid #D7DCCB;text-decoration:none}
.week b{display:block;font-size:20px;margin:4px 0}.week small{color:#4E5E52;font-size:13px}
.week.open{background:#D5F36A;border-color:#D5F36A}.week.open .kicker{color:#173E2C}.week.soon{background:#F2F4EA}
.player{position:relative;border-radius:12px;overflow:hidden;background:#10301F;box-shadow:0 18px 40px rgba(23,62,44,.25)}
.player video{display:block;width:100%;aspect-ratio:16/9;background:#10301F}
.chapters{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 8px}
.chapters button{border:1px solid #D7DCCB;background:#fff;border-radius:999px;padding:6px 12px;font-size:13px;color:#4E5E52}
.chapters button.on{background:#173E2C;border-color:#173E2C;color:#D5F36A;font-weight:700}
.now{margin:18px 0 0;padding:20px;border-radius:12px;background:#fff;border:2px solid #D5F36A}
.now .line{font-size:13px;color:#7C887F;margin-bottom:8px}
.now h2{margin:0 0 6px;font-size:20px}.now p{margin:0 0 12px;font-size:14px;color:#4E5E52}
.code{position:relative;margin:0;padding:16px 16px 16px;border-radius:10px;background:#F2F4EA;border:1px solid #DDE3D2;font:13px/1.65 'Noto Sans KR',monospace;white-space:pre-wrap;word-break:keep-all;overflow-wrap:anywhere;max-height:360px;overflow:auto}
.copy{position:sticky;float:right;top:0;margin:-6px -6px 6px 10px;border:0;border-radius:4px;background:#173E2C;color:#D5F36A;font-weight:700;padding:6px 12px;font-size:12px}
ol.steps{margin:0;padding-left:20px;font-size:15px}ol.steps li{margin:6px 0}
section.all{margin-top:48px}section.all>h2{font-size:24px;margin:0 0 6px}
details{margin:10px 0;border-radius:10px;background:#fff;border:1px solid #D7DCCB}
details summary{cursor:pointer;padding:14px 16px;font-weight:700;font-size:15px}
details .body{padding:0 16px 16px}
img.shot{display:block;width:100%;max-width:540px;border-radius:12px;margin:4px 0 12px}
.group{margin:24px 0 6px;font-size:13px;font-weight:700;letter-spacing:1px;color:#4F7A1C}
@media (max-width:640px){main{padding:24px 16px 64px}header{padding:14px 16px}.now{padding:16px}}
/* 지시문 속 [ ] — 내가 채울 칸(라임), 제목(굵게), 채운 값(진한 초록) */
.code .ph{background:#D5F36A;color:#173E2C;font-weight:800;border-radius:4px;padding:1px 4px;box-shadow:0 0 0 2px #D5F36A}
.code .lab{font-weight:900;color:#173E2C}
.code .filled{background:#173E2C;color:#D5F36A;font-weight:700;border-radius:4px;padding:1px 4px}
.fill{display:grid;grid-template-columns:150px 1fr;gap:8px 12px;align-items:center;margin:0 0 14px;padding:16px;border-radius:12px;background:#E6ECCB}
.fill .fillhead{grid-column:1/-1;font-weight:800;font-size:15px;margin-bottom:4px}
.fill label{font-size:14px;font-weight:700}
.fill input,.fill select{font:inherit;font-size:14px;padding:9px 10px;border:2px solid #D5F36A;border-radius:8px;background:#fff;color:#173E2C;min-width:0}
.fill input:focus,.fill select:focus{outline:none;border-color:#173E2C}
.fill small{grid-column:1/-1;color:#4E5E52;font-size:12px}
@media (max-width:640px){.fill{grid-template-columns:1fr}.fill label{margin-top:6px}}
/* 1주차 ② — 큰 복사 단추, 안내 캡처, 앞뒤 영상 */
.solid.big{display:block;width:100%;margin:0 0 10px;padding:16px;font-size:16px}
a.solid{display:inline-block;text-decoration:none}
.shots{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}.shots figure{margin:0}
.shots img{display:block;width:100%;border-radius:10px;border:1px solid #D7DCCB;background:#10301F}.shots figcaption{margin-top:6px;font-size:13px;color:#4E5E52}
.lessons{display:flex;flex-wrap:wrap;gap:8px;margin:4px 0 18px}.lessons a{padding:9px 16px;border-radius:999px;border:1px solid #B9C2B0;background:#fff;color:#4E5E52;font-size:14px;font-weight:700;text-decoration:none}
.lessons a.on{background:#173E2C;border-color:#173E2C;color:#D5F36A}
.next{display:block;margin-top:32px;padding:18px 20px;border-radius:12px;background:#D5F36A;color:#173E2C;font-weight:800;text-decoration:none}

/* 꽁AI 챌린지 주차 미션 상자 — 강의실 첫 화면(2026-11-05) */
#mission:empty{display:none}
.mission{display:flex;flex-direction:column;gap:8px;align-items:flex-start;padding:20px 22px;border-radius:12px;background:#fff;border:1px solid #D7DCCB;margin:0 0 16px;max-width:640px}
.mission b{word-break:keep-all}.mission .m-title{font-size:18px;color:#173E2C;line-height:1.35}.mission span{font-size:14px;color:#4E5E52;word-break:keep-all}.mission span a,.mission .m-note a{color:#173E2C;font-weight:700}
/* 미션 상자 정리(사용자 2026-11-11 'UI 정리좀 하자') — 머리 줄 상태 표·마감 줄·체크 목록·입장 구역 */
.mission .m-head{display:flex;align-items:center;gap:8px;width:100%}
.mission .pill{margin-left:auto;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.5px}
.mission .pill.ok{background:#173E2C;color:#D5F36A}.mission .pill.soon{background:#173E2C;color:#fff}.mission .pill.no{background:#F6E3DA;color:#9B3B1F}
.mission .m-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px}.mission .m-meta span:not(.due){font-size:13px}
.mission .m-note{font-size:13px;color:#6B7A6E;word-break:keep-all}
.mission .m-list{list-style:none;margin:4px 0 0;padding:0;display:flex;flex-direction:column;gap:8px;width:100%;font-size:14px;color:#4E5E52}
.mission .m-list li{display:flex;gap:10px;align-items:flex-start;word-break:keep-all;line-height:1.5}
.mission .m-list li::before{content:'';flex:0 0 18px;height:18px;margin-top:1px;border-radius:50%;border:1.5px solid #B9C2B0;box-sizing:border-box;font-size:11px;font-weight:800;line-height:15px;text-align:center}
.mission .m-list li.ok{color:#173E2C}.mission .m-list li.ok::before{content:'✓';background:#4F7A1C;border-color:#4F7A1C;color:#fff}
.mission .m-list li.later{color:#9AA593}
.mission .m-list li > span{display:flex;flex-direction:column;gap:1px}.mission .m-list li b{font-size:14px;color:#173E2C}.mission .m-list li small{font-size:12px;color:#6B7A6E}
.mission .m-list li.need,.mission .m-list li.hint,.mission .m-list li.paste{padding-left:28px}.mission .m-list li.need::before,.mission .m-list li.hint::before,.mission .m-list li.paste::before{display:none}
.mission .m-list li.need{flex-wrap:wrap;gap:6px;align-items:center}.mission .m-list li.need span{padding:2px 9px;border-radius:999px;border:1px solid #D7DCCB;font-size:12px;color:#6B7A6E;background:#fff}
.mission .m-list li.need span.ok{background:#4F7A1C;border-color:#4F7A1C;color:#fff}.mission .m-list li.need small{font-size:12px;color:#6B7A6E}
.mission .m-list li.hint{font-size:13px;color:#6B7A6E}
.mission .m-list li.paste{display:block}.mission .m-list details summary{cursor:pointer;font-size:13px;font-weight:700;color:#173E2C}.mission .m-list details form{margin-top:8px}
.mission .m-urls{flex:1 1 100%;min-height:76px;padding:10px 12px;border:1px solid #B9C2B0;border-radius:4px;font-size:15px;font-family:inherit}
.mission .m-room{display:flex;flex-direction:column;align-items:flex-start;gap:8px;width:100%;margin-top:4px;padding-top:12px;border-top:1px solid rgba(23,62,44,.12)}
.mission .m-nick{margin:0;font-size:14px;color:#4E5E52;word-break:keep-all}.mission .m-nick code{font-family:inherit;font-weight:800;color:#173E2C;background:#fff;border:1px solid #D7DCCB;border-radius:4px;padding:1px 8px;white-space:nowrap}
.mission .m-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px}
.mission .m-check{display:flex;gap:8px;align-items:center;font-size:14px;font-weight:700;color:#173E2C;cursor:pointer}.mission .m-check input{width:18px;height:18px;accent-color:#173E2C}
.mission .m-next{font-size:14px;font-weight:700;color:#173E2C}
/* 강의 목록 주차 탭(사용자 2026-11-11 '아예 주차별을 미리 나누고 들어가서 미션이 보이는건') — 탭 하나에 그 주차 미션·강의 카드 */
.wpanel[hidden]{display:none}.wpanel .next{margin:0 0 16px}
.mission.done{background:#E6ECCB;border-color:#E6ECCB}
.mission .due{display:inline-block;padding:3px 10px;border-radius:4px;background:#D5F36A;color:#173E2C;font-size:15px;font-weight:800}
/* 초대 코드 넣기 칸 (2026-11-05) */
#invite:empty{display:none}
.mission form.code{display:flex;flex-wrap:wrap;gap:8px;width:100%}
.mission form.code input{flex:1 1 180px;min-height:44px;padding:10px 12px;border:1px solid #B9C2B0;border-radius:4px;font-size:16px;font-family:inherit}
.mission form.code .solid{min-height:44px}
.mission .err{color:#9B3B1F}
.solid.locked{display:inline-flex;align-items:center;gap:6px;background:#F2F4EA;color:#4E5E52;border:1px dashed #B9C2B0;cursor:not-allowed}
#mebox .mission{padding:14px 18px;gap:6px;margin:4px 0 14px}#mebox .mission .m-title{font-size:16px}#mebox .mission .solid{padding:10px 16px}
/* 주차 탭(2026-11-11) — 강의 페이지 맨 위, auth.js weekTabs */
.wktabs{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 14px}.wktabs a,.wktabs span,.wktabs button{font-family:inherit;cursor:pointer;display:inline-flex;align-items:center;gap:5px;padding:6px 14px;border-radius:999px;border:1px solid #D7DCCB;font-size:13px;font-weight:700;text-decoration:none;color:#173E2C;background:#fff}.wktabs a.on,.wktabs button.on{background:#173E2C;border-color:#173E2C;color:#fff}.wktabs span{color:#9AA593;background:#F2F4EA}
.wktabs button.locked{color:#9AA593;background:#F2F4EA}.wktabs button.locked.on{color:#fff}