/* ═══════════════════════════════════════════════════
   사전설명회 팝업 — 2026-08-04 18:00 KST 노출 종료
   종료 시각은 js/popup-seminar.js의 END 상수가 단독 주인.
   랜딩 본체(landing-v2.css)와 섞지 않고 이 파일만 지우면 회수된다.
   ═══════════════════════════════════════════════════ */

.pop[hidden]{display:none}
.pop{
  position:fixed;inset:0;z-index:9000;
  display:grid;place-items:center;padding:20px;
  opacity:0;pointer-events:none;transition:opacity .28s ease;
}
.pop.is-open{opacity:1;pointer-events:auto}

.pop-dim{position:absolute;inset:0;background:rgba(2,4,10,.80);backdrop-filter:blur(6px)}

.pop-card{
  position:relative;z-index:1;
  width:min(94vw,700px);max-height:88vh;overflow-y:auto;overscroll-behavior:contain;
  display:grid;grid-template-columns:250px 1fr;
  border:1px solid var(--line-2);border-radius:var(--r);
  background:linear-gradient(150deg,var(--ink-3),var(--ink-2) 60%);
  box-shadow:0 30px 90px rgba(0,0,0,.62);
  transform:translateY(16px) scale(.975);transition:transform .34s cubic-bezier(.2,.9,.25,1);
}
.pop.is-open .pop-card{transform:none}

/* ── 좌측 별밭 패널 ── */
.pop-art{
  position:relative;overflow:hidden;
  padding:30px 24px;display:flex;flex-direction:column;justify-content:center;gap:12px;
  border-right:1px solid var(--line);
  background:
    radial-gradient(120% 90% at 15% 0%,rgba(111,227,255,.16),transparent 62%),
    radial-gradient(110% 95% at 100% 100%,rgba(154,139,255,.20),transparent 60%),
    var(--ink);
}
/* 별점(星點) — 이미지 없이 CSS만으로 딥스페이스 톤을 맞춘다 */
.pop-art::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:
    radial-gradient(1.4px 1.4px at 18% 22%,rgba(255,255,255,.9),transparent),
    radial-gradient(1.2px 1.2px at 72% 14%,rgba(255,217,138,.85),transparent),
    radial-gradient(1px 1px at 34% 62%,rgba(255,255,255,.7),transparent),
    radial-gradient(1.6px 1.6px at 84% 54%,rgba(111,227,255,.8),transparent),
    radial-gradient(1px 1px at 54% 86%,rgba(255,255,255,.6),transparent),
    radial-gradient(1.2px 1.2px at 12% 78%,rgba(154,139,255,.8),transparent);
}
.pop-badge{
  position:relative;align-self:flex-start;
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--cyan);
  border:1px solid rgba(111,227,255,.34);border-radius:999px;padding:5px 11px;
}
.pop-dday{
  position:relative;font-family:var(--mono);font-size:46px;font-weight:700;line-height:1;letter-spacing:-.03em;
  background:var(--sig);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.pop-when{position:relative;font-size:18px;font-weight:800;color:var(--paper);letter-spacing:-.02em}
.pop-when span{color:var(--muted);font-weight:600}
.pop-where{position:relative;font-size:13px;color:var(--muted)}

/* ── 우측 본문 ── */
.pop-body{padding:32px 30px 26px;display:flex;flex-direction:column;gap:14px}
.pop-body h2{font-size:22px;font-weight:800;line-height:1.38;letter-spacing:-.03em;color:var(--paper)}
.pop-body p{font-size:14.5px;line-height:1.78;color:var(--muted)}
.pop-body p b{color:var(--star-soft);font-weight:700}
.pop-body .btn{margin-top:4px;justify-content:center;text-align:center}

.pop-hide{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--dim);cursor:pointer;user-select:none;
}
.pop-hide:hover{color:var(--muted)}
/* 기본 체크박스는 흰 사각형이라 다크 배경에서 CTA보다 먼저 눈에 들어온다 — 직접 그린다 */
.pop-hide input{
  appearance:none;-webkit-appearance:none;flex:none;position:relative;cursor:pointer;
  width:16px;height:16px;border:1.5px solid var(--line-2);border-radius:4px;
  background:rgba(255,255,255,.04);transition:background .18s,border-color .18s;
}
.pop-hide input:hover{border-color:var(--cyan)}
.pop-hide input:checked{background:var(--cyan);border-color:var(--cyan)}
.pop-hide input:checked::after{
  content:"";position:absolute;left:4px;top:1px;
  width:4px;height:8px;border:solid var(--ink);border-width:0 2px 2px 0;transform:rotate(45deg);
}
.pop-hide input:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

/* ── 닫기 ── */
.pop-x{
  position:absolute;top:10px;right:10px;z-index:2;
  width:40px;height:40px;display:grid;place-items:center;
  font-size:22px;line-height:1;color:var(--muted);
  background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:11px;
  cursor:pointer;transition:color .2s,background .2s;
}
.pop-x:hover{color:var(--paper);background:rgba(255,255,255,.13)}

/* ── 모바일: 별밭 패널을 상단 띠로 접는다 ── */
@media(max-width:720px){
  .pop{padding:16px}
  .pop-card{grid-template-columns:1fr;max-height:90vh;width:min(96vw,440px)}
  .pop-art{
    flex-direction:row;align-items:center;justify-content:flex-start;gap:16px;
    /* 우측 여백은 닫기 버튼 자리 — 날짜 문구가 X 아래로 파고들지 않게 */
    padding:20px 64px 20px 22px;border-right:0;border-bottom:1px solid var(--line);
  }
  .pop-badge{display:none}
  .pop-dday{font-size:34px}
  .pop-when{font-size:16px}
  .pop-where{display:none}
  .pop-body{padding:24px 22px 22px;gap:12px}
  .pop-body h2{font-size:19px}
  .pop-body p{font-size:14px;line-height:1.72}
  .pop-x{width:46px;height:46px}   /* Apple HIG 최소 44px — 테두리·반올림 여유 포함 */
}
/* 가로 낮은 화면(가로모드 폰)에서 카드가 잘리지 않게 여백만 줄인다 */
@media(max-height:560px){
  .pop-art{padding:14px 20px}
  .pop-body{padding:18px 20px}
  .pop-dday{font-size:28px}
}

@media(prefers-reduced-motion:reduce){
  .pop,.pop-card{transition:none}
  .pop-card{transform:none}
}