/* ===== Protocol Gaia · 공통 스타일 ===== */
/* 디자인 토큰 SSOT — 단일 정본(index 팔레트 채택, v0.17 anti-slop). 페이지 인라인 :root 금지. */
:root{
  --serif:'Noto Serif KR',serif;
  --sans:'Pretendard','Pretendard Variable',system-ui,sans-serif;
  --bg:#f5f7f1; --surface:#ffffff; --ink:#161713; --ink-soft:#52564a;
  --ink-faint:#6b7060; --line:#dde3d5; --accent:#12624f; --accent-soft:#2b7a62;
  --seal:#b13d31; --gold:#b89446; --danger:#b4452f;
  --shadow:0 1px 2px rgba(22,23,19,.05),0 14px 38px rgba(22,23,19,.10);
}
[data-theme="dark"]{
  --bg:#0e1110; --surface:#171b18; --ink:#edf1e8; --ink-soft:#adb7a7;
  --ink-faint:#7e8a76; --line:#283129; --accent:#8ad6b8; --accent-soft:#6ecaa9;
  --seal:#e06d5c; --gold:#d7b86c; --danger:#e07a5f;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.35);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);
  line-height:1.6;-webkit-font-smoothing:antialiased;transition:background .4s,color .4s;
  word-break:keep-all;overflow-wrap:break-word}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 32px}

/* ===== NAV (공통) ===== */
nav.gaia{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px;max-width:1120px;margin:0 auto;padding:0 32px}
.brand{font-family:var(--serif);font-weight:900;font-size:20px;letter-spacing:-.01em;display:flex;align-items:center;gap:10px;color:var(--ink)}
.brand .mark{width:26px;height:26px;border-radius:7px;background:var(--accent);
  display:grid;place-items:center;color:#fff;font-size:13px;font-weight:900;flex:0 0 26px}
[data-theme="dark"] .brand .mark{color:#14120f}
.nav-links{display:flex;gap:30px;font-size:15px;font-weight:600;color:var(--ink-soft)}
.nav-links a{transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.soon-badge{font-size:10px;font-weight:700;color:var(--accent);border:1px solid var(--accent);
  border-radius:999px;padding:1px 6px;margin-left:6px;vertical-align:2px;opacity:.85}
.nav-mobile-login{display:none}
@media (max-width:760px){ .nav-links .nav-mobile-login{display:block;color:var(--accent);font-weight:700} }
.nav-right{display:flex;align-items:center;gap:14px}
.theme-btn{display:flex;align-items:center;gap:7px;font-size:13px;font-weight:600;
  color:var(--ink-soft);background:none;border:1px solid var(--line);
  padding:7px 12px;border-radius:999px;cursor:pointer;transition:.2s}
.theme-btn:hover{color:var(--ink);border-color:var(--ink-faint)}
.theme-btn svg{width:15px;height:15px}
.icon-btn{display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--line);border-radius:999px;
  color:var(--ink-soft);background:none;cursor:pointer;transition:.2s;flex-shrink:0}
.icon-btn:hover{color:var(--ink);border-color:var(--ink-faint)}
.icon-btn svg{width:17px;height:17px}
.noti-dot{display:inline-grid;place-items:center;min-width:17px;height:17px;padding:0 5px;margin-left:5px;
  border-radius:999px;background:var(--seal);color:#fff;font-size:10px;font-weight:800;line-height:1;vertical-align:1px}
.btn-login{font-size:15px;font-weight:600;color:var(--ink-soft);transition:.2s}
.btn-login:hover{color:var(--ink)}
.btn-join{font-size:15px;font-weight:700;background:var(--ink);color:var(--bg);
  padding:9px 18px;border-radius:999px;transition:.2s;border:none;cursor:pointer}
.btn-join:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.nav-user{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--ink-soft)}
.nav-user b{color:var(--ink);font-weight:700}
.nav-user .avatar{width:30px;height:30px;border-radius:50%;background:var(--accent);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:13px}
[data-theme="dark"] .nav-user .avatar{color:#14120f}
.nav-burger{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:none;color:var(--ink);cursor:pointer;place-items:center;font-size:18px;flex-shrink:0}

/* ===== NAV 모바일 ===== */
@media (max-width:760px){
  .nav-in{padding:0 16px;height:58px;gap:10px}
  .brand{font-size:16px;white-space:nowrap;flex-shrink:1;min-width:0;overflow:hidden}
  .nav-burger{display:grid}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;
    background:var(--bg);border-bottom:1px solid var(--line);padding:6px 16px 12px;
    box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 4px;border-bottom:1px solid var(--line);font-size:16px}
  .nav-links a:last-child{border-bottom:none}
  .nav-right{gap:8px;flex-shrink:0}
  #themeLabel{display:none}
  .theme-btn{padding:8px 10px}
  .btn-login,.btn-join{font-size:14px;white-space:nowrap}
  .btn-join{padding:8px 14px}
  .nav-user{gap:8px}
  .nav-user b{display:none}
}
@media (max-width:480px){
  /* 브랜드명 잘림 방지 — 비로그인 "로그인" 링크만 숨김(등록 화면에 로그인 전환 링크 존재).
     직계 자식 한정 — .nav-user 안의 서재/로그아웃(.btn-login)은 유지 */
  .nav-right > a.btn-login{display:none}
  .brand{font-size:15px;gap:8px}
  .nav-in{gap:8px}
  .btn-join{padding:8px 12px;font-size:13.5px}
}
@media (max-width:360px){
  .nav-in{padding:0 10px;gap:4px}
  .brand{font-size:14px;gap:6px;overflow:visible;flex-shrink:0}
  .brand .mark{width:24px;height:24px;flex-basis:24px;font-size:12px}
  .nav-right{gap:4px}
  .theme-btn{width:34px;height:34px;padding:8px}
  .btn-join{padding:8px 10px;font-size:13px}
  .nav-burger{width:36px;height:36px}
}

/* ===== 행정 키트 (관인과 여권) ===== */
/* --seal·--gold는 상단 토큰 SSOT가 정의 — 여기선 보조 토큰만(중복 :root 제거 v0.36) */
:root{ --gold-soft:#d4b878; --seal-ink:#9a3322; --mono:'Consolas','D2Coding',monospace; }
[data-theme="dark"]{ --gold-soft:#b9913f; --seal-ink:#c9614a }

/* 시민권 카드 — .citizen-card > .cc-inner > (.cc-front | .cc-back), .flipped 토글로 회전 */
.citizen-card{perspective:1200px;width:min(340px,86vw);aspect-ratio:8/5;cursor:pointer}
.citizen-card .cc-inner{position:relative;width:100%;height:100%;transition:transform .7s cubic-bezier(.2,.8,.25,1);transform-style:preserve-3d}
.citizen-card.flipped .cc-inner{transform:rotateY(180deg)}
.cc-front,.cc-back{position:absolute;inset:0;backface-visibility:hidden;border-radius:16px;
  border:1.5px solid var(--gold);background:linear-gradient(135deg,var(--surface) 0%,color-mix(in srgb,var(--gold) 7%,var(--surface)) 100%);
  box-shadow:var(--shadow);padding:18px 20px;overflow:hidden}
.cc-back{transform:rotateY(180deg)}
.cc-front::after,.cc-back::after{content:'';position:absolute;inset:5px;border:1px solid color-mix(in srgb,var(--gold) 45%,transparent);border-radius:12px;pointer-events:none}
.cc-eyebrow{font-family:var(--mono);font-size:10px;letter-spacing:.22em;color:var(--gold);text-transform:uppercase}
.cc-name{font-family:var(--serif);font-weight:900;font-size:26px;margin-top:8px}
.cc-no{font-family:var(--mono);font-size:13px;color:var(--ink-faint);margin-top:4px}

/* 인주 스탬프 — .stamp 요소에 .stamped 추가 시 찍힘 애니메이션 */
.stamp{display:inline-grid;place-items:center;width:74px;height:74px;border-radius:50%;
  border:3px solid var(--seal);color:var(--seal);font-family:var(--serif);font-weight:900;font-size:15px;
  line-height:1.15;text-align:center;transform:rotate(-8deg);position:relative;opacity:.92;
  -webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='74' height='74'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.9'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .82 .12'/%3E%3C/filter%3E%3Crect width='74' height='74' filter='url(%23n)'/%3E%3C/svg%3E");
  mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='74' height='74'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.9'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .82 .12'/%3E%3C/filter%3E%3Crect width='74' height='74' filter='url(%23n)'/%3E%3C/svg%3E")}
.stamp.ghost{border-style:dashed;color:var(--ink-faint);border-color:var(--line);opacity:.55;mask-image:none;-webkit-mask-image:none}
@keyframes stamp-in{
  0%{transform:rotate(-8deg) scale(2.2);opacity:0}
  62%{transform:rotate(-8deg) scale(.94);opacity:1}
  80%{transform:rotate(-8deg) scale(1.04)}
  100%{transform:rotate(-8deg) scale(1)}
}
.stamp.stamped{animation:stamp-in .45s cubic-bezier(.2,.9,.3,1.4) both}
@media (prefers-reduced-motion: reduce){
  .citizen-card .cc-inner{transition:none}
  .stamp.stamped{animation:none}
}

/* ===== 버튼 공통 ===== */
.btn{font-size:16px;font-weight:700;padding:14px 28px;border-radius:999px;transition:.2s;
  border:none;cursor:pointer;display:inline-flex;align-items:center;gap:8px;justify-content:center}
.btn.primary{background:var(--ink);color:var(--bg)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn.ghost{border:1px solid var(--line);color:var(--ink);background:none}
.btn.ghost:hover{border-color:var(--ink-faint)}
.btn.accent{background:var(--accent);color:#fff}
[data-theme="dark"] .btn.accent{color:#14120f}
.btn:disabled{opacity:.5;cursor:not-allowed}

footer.gaia{border-top:1px solid var(--line);padding:40px 0 32px;margin-top:60px}
footer.gaia .copy{font-size:13px;color:var(--ink-faint);text-align:center}
footer.gaia .foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;margin-bottom:30px}
footer.gaia .fb-name{font-family:var(--serif);font-weight:900;font-size:17px;margin-bottom:9px}
footer.gaia .foot-b p{font-size:13.5px;color:var(--ink-faint);max-width:260px;line-height:1.6}
footer.gaia .foot-c h4{font-size:12.5px;font-weight:700;color:var(--ink);margin-bottom:11px}
footer.gaia .foot-c a{display:block;font-size:13.5px;color:var(--ink-soft);margin-bottom:7px;transition:.2s}
footer.gaia .foot-c a:hover{color:var(--accent)}
@media (max-width:760px){
  footer.gaia .foot-grid{grid-template-columns:1fr 1fr}
  footer.gaia .foot-b{grid-column:1/-1}
}