/* 백석시그니처자이 — 자이 블루 디자인 시스템 */
:root{
  --navy:#0a2f6b; --blue:#1553c0; --blue-soft:#eaf1fc; --call:#0c9d5b;
  --ink:#1a2233; --muted:#66707f; --line:#e3e8f0;
  --bg:#f5f7fa; --card:#fff;
  --radius:14px; --shadow:0 4px 16px rgba(10,47,107,.08);
  --tab-h:56px; --cta-h:56px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:'Pretendard Variable',Pretendard,-apple-system,BlinkMacSystemFont,sans-serif;
  font-size:15px; line-height:1.55;
  padding-bottom:calc(var(--tab-h) + var(--cta-h) + env(safe-area-inset-bottom));
}
a{color:inherit}

/* 헤더 */
.app-header{position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;
  padding:12px 16px;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.brand{font-weight:800;font-size:17px;color:var(--navy);text-decoration:none;letter-spacing:-.02em}
.head-call{font-size:13px;font-weight:700;color:#fff;background:var(--call);padding:7px 14px;border-radius:99px;text-decoration:none}

/* 히어로 슬라이더 */
.hero{position:relative;overflow:hidden;background:var(--navy)}
.hero-track{display:flex;transition:transform .45s ease}
.hero-track img{width:100%;flex:0 0 100%;aspect-ratio:9/16;object-fit:contain;background:var(--navy);display:block}
.hero-caption{position:absolute;left:16px;bottom:20px;display:flex;flex-direction:column;gap:2px;
  padding:10px 14px;border-radius:12px;background:rgba(8,24,54,.55);color:#fff;backdrop-filter:blur(4px)}
.hero-caption strong{font-size:16px}
.hero-caption span{font-size:13px;color:#cfe0ff}
.hero-dots{position:absolute;right:14px;bottom:20px;display:flex;gap:6px}
.hero-dots .dot{width:8px;height:8px;border-radius:50%;border:0;padding:0;background:rgba(255,255,255,.45);cursor:pointer}
.hero-dots .dot.on{background:#fff;width:18px;border-radius:99px}

/* 섹션·카드 */
.section{padding:20px 16px 0}
.sec-title{margin:0 0 12px;font-size:18px;color:var(--navy)}
.cards{display:grid;gap:10px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.card h3{margin:0 0 6px;font-size:15px;color:var(--navy)}
.card p{margin:0;font-size:13.5px;color:var(--muted)}

/* 스펙 테이블 */
.spec{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.spec th,.spec td{padding:11px 14px;border-bottom:1px solid var(--line);font-size:13.5px;text-align:left}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}
.spec th{width:88px;background:var(--blue-soft);color:var(--navy);font-weight:700}

/* 배너·버튼 */
.banner{display:block;margin:20px 16px;padding:15px;text-align:center;border-radius:var(--radius);
  background:var(--navy);color:#fff;font-weight:700;text-decoration:none}
.btn{display:inline-block;padding:11px 18px;border-radius:10px;border:1px solid var(--line);background:#fff;
  color:var(--ink);font-weight:700;font-size:14px;text-decoration:none;text-align:center;cursor:pointer;font-family:inherit}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}
.btn.call-btn{background:var(--call);border-color:var(--call);color:#fff}
.btn.ghost{background:var(--blue-soft);border-color:transparent;color:var(--navy)}
.btn.big{width:100%;padding:15px;font-size:16px}

/* 탭바·CTA바 */
.tabbar{position:fixed;bottom:0;left:0;right:0;z-index:50;height:calc(var(--tab-h) + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);
  background:#fff;border-top:1px solid var(--line)}
.tab{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:11px;font-weight:600;color:var(--muted);text-decoration:none}
.tab svg{width:21px;height:21px}
.tab.active{color:var(--navy);font-weight:800}
.ctabar{position:fixed;left:0;right:0;bottom:calc(var(--tab-h) + env(safe-area-inset-bottom));z-index:49;
  height:var(--cta-h);display:flex;gap:8px;padding:8px 12px;background:rgba(255,255,255,.97);border-top:1px solid var(--line)}
.cta-call{flex:1;display:flex;align-items:center;justify-content:center;background:var(--call);color:#fff;
  font-weight:800;font-size:15px;border-radius:12px;text-decoration:none}
.cta-kakao{flex:0 0 96px;display:flex;align-items:center;justify-content:center;background:#fee500;color:#3b1e1e;
  font-weight:800;font-size:14px;border-radius:12px;text-decoration:none}

/* 데스크톱 — 모바일 프레임 중앙 정렬 */
@media (min-width:720px){
  body{max-width:480px;margin:0 auto;border-left:1px solid var(--line);border-right:1px solid var(--line)}
  .app-header,.tabbar,.ctabar{max-width:480px;left:0;right:0;margin:0 auto}
}

/* 폼 */
.lead-form{display:flex;flex-direction:column;gap:14px;margin:16px;padding:18px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.field{display:flex;flex-direction:column;gap:6px;font-size:13.5px;font-weight:700;color:var(--ink)}
.field input,.field select,.field textarea{padding:12px;border:1px solid var(--line);border-radius:10px;
  font-size:15px;font-family:inherit;background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--blue);border-color:var(--blue)}
.err{color:#d92b2b;font-size:12px;font-weight:600;font-style:normal}
.err-box{margin:0 0 4px;padding:10px 12px;border-radius:10px;background:#fdecec;color:#b42323;font-size:13px;font-weight:600}
.agree{display:flex;gap:8px;align-items:flex-start;font-size:13px;color:var(--muted)}
.agree a{color:var(--blue)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* 완료·상담사 카드 */
.done-card{margin:16px;padding:28px 18px;text-align:center;background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
.done-card h2{margin:0 0 8px;color:var(--navy)}
.done-card p{margin:0 0 16px;color:var(--muted);font-size:14px}
.consult-card{display:flex;align-items:center;gap:14px;margin:16px;padding:16px;background:var(--navy);color:#fff;border-radius:var(--radius)}
.consult-card .avatar{width:52px;height:52px;flex:0 0 52px;border-radius:50%;background:var(--blue);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:20px}
.consult-card h3{margin:0;font-size:16px}
.consult-card p{margin:2px 0 0;font-size:13px;color:#cfe0ff}

/* 갤러리 */
.g-filter{display:flex;gap:6px;padding:16px 16px 0;flex-wrap:wrap}
.g-filter button{padding:8px 14px;border-radius:99px;border:1px solid var(--line);background:#fff;font-size:13px;font-weight:600;color:var(--muted);cursor:pointer}
.g-filter button.on{background:var(--navy);border-color:var(--navy);color:#fff}
.g-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:12px 16px}
.g-item{border-radius:12px;overflow:hidden;background:#fff;border:1px solid var(--line)}
.g-item img{width:100%;aspect-ratio:4/3;object-fit:contain;background:#fff;display:block}
#lightbox{position:fixed;inset:0;z-index:99;display:none;align-items:center;justify-content:center;background:rgba(0,0,0,.85);padding:20px}
#lightbox.open{display:flex}
#lightbox figure{margin:0;max-width:100%}
#lightbox img{max-width:100%;max-height:80vh;border-radius:10px}
#lightbox figcaption{color:#fff;text-align:center;font-size:14px;margin-top:10px}
.lb-close{position:absolute;top:14px;right:16px;font-size:26px;color:#fff;background:none;border:0;cursor:pointer}

/* 지도·리스트 */
.wide-img{margin:0}
.wide-img img{display:block;width:100%;border-radius:var(--radius);border:1px solid var(--line)}
.step-list{margin:0;padding:0 16px 0 34px}
.step-list li{margin-bottom:8px;font-size:14px}
.price-note{margin:0 0 12px;padding:12px 14px;border-radius:10px;background:var(--blue-soft);color:var(--navy);font-size:13.5px;font-weight:600}

/* 평형 타입 칩 + 평면 뷰어 */
.type-chips{display:flex;gap:6px;overflow-x:auto;padding:2px 16px 10px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.type-chips::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;padding:9px 16px;border-radius:99px;border:1px solid var(--line);background:#fff;font-size:13.5px;font-weight:700;color:var(--muted);cursor:pointer;font-family:inherit}
.chip.on{background:var(--navy);border-color:var(--navy);color:#fff}
.plan-panel{display:none;margin:0 16px 16px}
.plan-panel.on{display:block}
/* 평면 컷 비율이 0.65~0.67로 균일 — 고정 비율로 로드 전 영역 선점(레이아웃 점프 방지) */
/* cover: 타입 간 미세 비율 차(±1.5%)로 생기는 여백 틀 제거 — 잘림은 최대 ±4px(0.3% 미만) */
.plan-panel img{display:block;width:100%;aspect-ratio:33/50;object-fit:cover;border-radius:var(--radius);border:1px solid var(--line)}

/* 푸터 */
.app-footer{margin:28px 0 0;padding:20px 16px calc(12px + env(safe-area-inset-bottom));background:#0d1930;color:#8fa3c8;font-size:12px}
.app-footer .fn{margin:0 0 8px;color:#cfe0ff}
.app-footer p{margin:4px 0}
.app-footer a{color:#cfe0ff}

/* 관리자 */
.admin-wrap{max-width:760px;margin:0 auto;padding:20px 16px}
.admin-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px}
.admin-title{margin:0;font-size:18px;color:var(--navy)}
.admin-bar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:12px}
.stat-chip{padding:6px 12px;border-radius:99px;background:var(--blue-soft);color:var(--navy);font-weight:700;font-size:13px}
.toolbar{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.toolbar input[type=text]{flex:1 1 150px;min-width:0;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font-size:14px;font-family:inherit;background:#fff}
.lead-list{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.lead-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow)}
.lead-top{display:flex;align-items:center;gap:8px;margin-bottom:8px;flex-wrap:wrap}
.lead-name{font-weight:800;font-size:15px;color:var(--navy)}
.badge{padding:3px 10px;border-radius:99px;background:var(--blue-soft);color:var(--navy);font-size:11.5px;font-weight:700}
.lead-time{margin-left:auto;font-size:11.5px;color:var(--muted)}
.lead-phone{margin-bottom:8px}
.lead-phone a{color:var(--blue);font-weight:800;font-size:15px;text-decoration:none}
.lead-msg{background:#f7f9fc;border-radius:10px;padding:9px 11px;font-size:13px;margin:0 0 8px;white-space:pre-wrap;word-break:break-word}
.lead-sub{font-size:11.5px;color:var(--muted)}
.export-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;font-size:13px}
.export-box summary{cursor:pointer;font-weight:700;color:var(--navy)}
.export-box .dates{display:flex;gap:8px;align-items:center;margin-top:10px;flex-wrap:wrap}
.export-box input[type=date]{padding:8px 10px;border:1px solid var(--line);border-radius:8px;font-family:inherit;background:#fff}
.pager{display:flex;gap:6px;justify-content:center;margin:16px 0;flex-wrap:wrap}
.pager a{padding:7px 12px;border:1px solid var(--line);border-radius:8px;background:#fff;text-decoration:none;font-size:13px}
.pager a.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.admin-login{max-width:360px;margin:60px auto;padding:26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);display:flex;flex-direction:column;gap:12px}
.admin-login form{display:flex;flex-direction:column;gap:14px}
.admin-login form .btn{margin-top:4px}