/* 틀 — 머리말·모바일 서랍·바닥글·관리자 틀·로그인 틀(includes/layout.php) */

.container { width: 100%; max-width: calc(var(--container) + var(--gutter) * 2); margin: 0 auto;
  padding-left: max(var(--gutter), env(safe-area-inset-left)); padding-right: max(var(--gutter), env(safe-area-inset-right)); }   /* 가로로 눕힌 폰의 노치 */
.container-narrow { max-width: calc(var(--container-narrow) + var(--gutter) * 2); }

/* ── 머리말 ── */
.topbar { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 86%, transparent); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); border-bottom: 1px solid var(--border); transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease); }
.topbar-inner { display: flex; align-items: center; gap: var(--space-4); min-height: 68px; }
.brand { display: inline-flex; align-items: center; flex: none; min-height: 44px; }
.brand img { height: 34px; width: auto; }
.brand .logo-dark, .pair-dark { display: none; }
:root[data-theme="dark"] .pair-light { display: none; }
:root[data-theme="dark"] .pair-dark { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .pair-light { display: none; }
  :root:not([data-theme="light"]) .pair-dark { display: block; }
}
.mainnav { display: none; margin-left: auto; }
.mainnav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: var(--space-1); }
.mainnav a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 var(--space-3); border-radius: var(--r-full); color: var(--text-2); text-decoration: none; font-size: var(--text-md); font-weight: var(--weight-medium); transition: color var(--dur) var(--ease), background var(--dur) var(--ease); }
.mainnav a:hover { color: var(--text); background: var(--surface-2); }
.mainnav a[aria-current="page"] { color: var(--text); font-weight: var(--weight-bold); }
.topnav { display: flex; align-items: center; gap: var(--space-2); margin-left: auto; }
.topnav .cta { display: none; }
@media (min-width: 600px) { .topnav .cta { display: inline-flex; } }
@media (min-width: 1100px) {
  .mainnav { display: block; }
  .topnav { margin-left: var(--space-3); }
  .menu-btn { display: none; }
}
.theme-btn .moon { display: none; }
:root[data-theme="dark"] .theme-btn .sun { display: none; }
:root[data-theme="dark"] .theme-btn .moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-btn .sun { display: none; }
  :root:not([data-theme="light"]) .theme-btn .moon { display: block; }
  :root:not([data-theme="light"]) .brand .logo-light { display: none; }
  :root:not([data-theme="light"]) .brand .logo-dark { display: block; }
}
:root[data-theme="dark"] .brand .logo-light { display: none; }
:root[data-theme="dark"] .brand .logo-dark { display: block; }

/* 첫 화면: 남색 위에서는 투명 머리말 + 흰 글자, 내리면 보통 머리말(app.js 가 is-scrolled) */
.over-navy .topbar:not(.is-scrolled) { background: transparent; border-bottom-color: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; color: var(--on-navy); }
.over-navy .topbar:not(.is-scrolled) .brand .logo-light { display: none; }
.over-navy .topbar:not(.is-scrolled) .brand .logo-dark { display: block; }
.over-navy .topbar:not(.is-scrolled) .mainnav a { color: var(--on-navy-2); }
.over-navy .topbar:not(.is-scrolled) .mainnav a:hover, .over-navy .topbar:not(.is-scrolled) .mainnav a[aria-current="page"] { color: var(--on-navy); background: rgba(255, 255, 255, .08); }
.over-navy .topbar:not(.is-scrolled) .icon-btn:hover { background: rgba(255, 255, 255, .1); }
.over-navy .topbar:not(.is-scrolled) .cta { background: var(--accent); color: var(--on-accent); box-shadow: none; }
.over-navy .topbar { position: fixed; left: 0; right: 0; }

/* ── 모바일 서랍 ── */
.drawer { position: fixed; inset: 0; z-index: 80; display: none; }
.drawer.is-open { display: block; }
.drawer-back { position: absolute; inset: 0; background: var(--overlay); animation: fade-in .2s var(--ease); }
.drawer-panel { position: absolute; top: 0; right: 0; bottom: 0; width: min(88vw, 360px); background: var(--surface); color: var(--text); display: flex; flex-direction: column; padding: var(--space-4) var(--space-5) calc(var(--space-5) + env(safe-area-inset-bottom)); overflow-y: auto; overscroll-behavior: contain; animation: slide-in .24s var(--ease); height: 100vh; height: 100dvh; }
.drawer-head { display: flex; justify-content: space-between; align-items: center; min-height: 52px; margin-bottom: var(--space-4); }
.drawer-head .brand img { height: 30px; }
.drawer nav ul { list-style: none; margin: 0; padding: 0; display: grid; }
.drawer nav a { display: flex; align-items: center; justify-content: space-between; min-height: 56px; padding: 0 var(--space-2); color: var(--text); text-decoration: none; font-size: var(--text-lg); font-weight: var(--weight-bold); border-bottom: 1px solid var(--border); }
.drawer nav a[aria-current="page"] { color: var(--primary-ink); }
.drawer nav svg { width: 20px; height: 20px; color: var(--text-3); }
.drawer-foot { margin-top: auto; padding-top: var(--space-6); display: grid; gap: var(--space-3); }
@keyframes fade-in { from { opacity: 0; } }
@keyframes slide-in { from { transform: translateX(24px); opacity: .4; } }

/* ── 화면 머리(공개 화면 공통 제목 칸) ── */
.page-head { padding-block: var(--space-9) var(--space-7); }
.page-head .eyebrow { display: inline-block; margin-bottom: var(--space-3); color: var(--accent-ink); font-size: var(--text-sm); font-weight: var(--weight-bold); letter-spacing: .08em; }
.page-head h1 { font-size: var(--display-sm); font-weight: var(--weight-heavy); }
.page-head p { margin-top: var(--space-4); color: var(--text-2); font-size: var(--text-lg); max-width: 60ch; }
.section { padding: var(--space-9) 0; }
@media (min-width: 960px) { .section { padding: var(--space-10) 0; } }
.section-head { display: grid; gap: var(--space-3); margin-bottom: var(--space-7); max-width: 720px; }
.section-head .eyebrow { color: var(--accent-ink); font-size: var(--text-sm); font-weight: var(--weight-bold); letter-spacing: .08em; }
.section-head h2 { font-size: var(--display-sm); font-weight: var(--weight-heavy); }
.section-head p { color: var(--text-2); font-size: var(--text-lg); }
.section-head-row { display: flex; justify-content: space-between; align-items: end; gap: var(--space-4); flex-wrap: wrap; margin-bottom: var(--space-7); }
.section-head-row .section-head { margin-bottom: 0; }

/* ── 문의 띠(화면 끝, 남색) ── */
.cta-band { position: relative; overflow: hidden; margin: var(--space-9) 0 0; background: var(--navy-950); color: var(--on-navy); }
.cta-band::before { content: ""; position: absolute; right: -10%; top: -60%; width: 60%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(54, 198, 242, .28), transparent 62%); pointer-events: none; }
.cta-band-inner { position: relative; display: grid; gap: var(--space-5); padding-block: var(--space-9); }
.cta-band h2 { font-size: var(--display-sm); font-weight: var(--weight-heavy); color: var(--on-navy); }
.cta-band p { color: var(--on-navy-2); font-size: var(--text-lg); max-width: 52ch; }
@media (min-width: 960px) { .cta-band-inner { grid-template-columns: 1fr auto; align-items: center; } }
.cta-band + .foot { margin-top: 0; }

/* ── 바닥글 ── */
.foot { margin-top: var(--space-9); background: var(--surface); border-top: 1px solid var(--border); color: var(--text-2); font-size: var(--text-sm); }
.foot-inner { display: grid; gap: var(--space-6); padding-block: var(--space-8) calc(var(--space-8) + env(safe-area-inset-bottom)); }
.foot-top { display: flex; justify-content: space-between; gap: var(--space-5); flex-wrap: wrap; align-items: start; }
.foot-top .brand img { height: 30px; }
.foot-links { display: flex; flex-wrap: wrap; gap: var(--space-1) var(--space-2); }
.foot-links a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 var(--space-2); color: var(--text-2); text-decoration: none; font-weight: var(--weight-medium); }
.foot-links a:hover { color: var(--text); }
.foot-links a.strong { color: var(--text); font-weight: var(--weight-bold); }
.foot-info { display: flex; flex-wrap: wrap; gap: var(--space-1) var(--space-4); list-style: none; margin: 0; padding: 0; }
.foot-copy { color: var(--text-3); }

/* ── 로그인류(가운데 상자) ── */
.simple { display: grid; place-items: center; padding: var(--space-8) var(--gutter); }
.simple-box { width: 100%; max-width: 420px; }

/* ── 관리자 틀(§5) ── */
.adminbar { position: sticky; top: 0; z-index: 50; background: var(--admin-bar); color: var(--admin-bar-text); }
.adminbar .topbar-inner { min-height: 60px; padding: 0 var(--space-4); }
.adminbar .brand img { height: 28px; }
.admin-title { display: flex; align-items: center; gap: var(--space-2); }
.admin-tag { display: inline-flex; align-items: center; min-height: 26px; padding: 0 var(--space-3); border-radius: var(--r-full); background: rgba(54, 198, 242, .16); color: var(--admin-tag); font-size: var(--text-xs); font-weight: var(--weight-bold); }
.adminbar .topnav a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 var(--space-2); color: var(--on-navy-2); text-decoration: none; font-size: var(--text-sm); }
.adminbar .topnav a:hover { color: #fff; }
.adminbar .icon-btn:hover { background: rgba(255, 255, 255, .1); }
.adminbar .brand .logo-light { display: none !important; }
.adminbar .brand .logo-dark { display: block !important; }
.admin { display: grid; min-height: calc(100vh - 60px); min-height: calc(100dvh - 60px); }
.admin-side { display: none; background: var(--admin-side); border-right: 1px solid var(--border); padding: var(--space-4) var(--space-3); }
.admin-side.is-open { display: block; position: fixed; top: 60px; left: 0; bottom: 0; width: min(80vw, 280px); z-index: 60; overflow-y: auto; box-shadow: var(--shadow-2); }
.nav-group { padding: var(--space-4) var(--space-3) var(--space-2); font-size: var(--text-xs); font-weight: var(--weight-bold); color: var(--text-3); letter-spacing: .06em; }
.admin-side ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.admin-side a { display: flex; align-items: center; gap: var(--space-3); min-height: 44px; padding: 0 var(--space-3); border-radius: var(--r-sm); color: var(--text-2); text-decoration: none; font-weight: var(--weight-medium); }
.admin-side a:hover { background: var(--surface-2); color: var(--text); }
.admin-side a[aria-current="page"] { background: var(--primary-soft); color: var(--primary-ink); font-weight: var(--weight-bold); }
.admin-side .count { margin-left: auto; min-width: 22px; height: 22px; padding: 0 6px; border-radius: var(--r-full); background: var(--danger); color: var(--on-danger); font-size: var(--text-xs); font-weight: var(--weight-bold); display: inline-grid; place-items: center; }
.admin-main { padding: var(--space-6) var(--space-4) var(--space-9); min-width: 0; }
.admin-main > * + * { margin-top: var(--space-6); }
.admin-main h1 { font-size: var(--text-2xl); }
@media (min-width: 960px) {
  .admin { grid-template-columns: 248px minmax(0, 1fr); }
  .admin-side { display: block; position: sticky; top: 60px; height: calc(100vh - 60px); overflow-y: auto; }
  .admin-side.is-open { position: sticky; width: auto; box-shadow: none; }
  .admin-menu-btn { display: none; }
  .admin-main { padding: var(--space-7) var(--space-8) var(--space-9); }
}