/* ====================================================
   ArtSpace Interior — 바닐라 CSS 디자인 시스템
   ==================================================== */

/* ── CSS 변수 ── */
:root {
  --color-brand-dark:       #0D0D0D;
  --color-brand-gold:       #C4963A;
  --color-brand-gold-hover: #b3852e;
  --color-brand-gold-light: #E8C97A;
  --color-bg:               #FEFCF9;
  --color-surface:          #F5F2EC;
  --color-surface-alt:      #ECEAE4;
  --color-border:           #DDD8CE;
  --color-text:             #1A1A1A;
  --color-text-secondary:   #5A5A5A;
  --color-text-muted:       #9A9A9A;
  --color-success-bg:       #D1FAE5;
  --color-success-text:     #065F46;
  --color-warning-bg:       #FEF3C7;
  --color-warning-text:     #92400E;
  --color-error-bg:         rgba(239,68,68,0.08);
  --color-error-border:     rgba(239,68,68,0.25);
  --color-error-text:       #991b1b;
  --admin-sidebar-bg:       #0F172A;
  --admin-sidebar-surface:  #1E293B;
  --admin-sidebar-text:     #94A3B8;
  --admin-content-bg:       #F8FAFC;
  --admin-border:           #E2E8F0;
  --nav-height: 68px;
  --container-max: 1200px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ── Container ── */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 1.5rem; }

/* ── Section ── */
.section { padding: 5rem 0; }
.section-eyebrow {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--color-brand-gold);
  margin-bottom: 0.75rem;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 800;
  color: var(--color-text); margin-bottom: 1rem;
  word-break: keep-all; line-height: 1.3;
}
.section-desc { font-size: 1rem; color: var(--color-text-secondary); line-height: 1.75; }

/* ─────────────────────────────────────────
   내비게이션
───────────────────────────────────────── */
.public-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(13,13,13,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-inner {
  max-width: var(--container-max); margin: 0 auto; padding: 0 1.5rem;
  height: var(--nav-height); display: flex;
  align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; flex-direction: column; line-height: 1.1; }
.nav-logo-brand {
  font-size: 1.125rem; font-weight: 800; color: var(--color-brand-gold);
  letter-spacing: 0.15em;
}
.nav-logo-sub {
  font-size: 0.55rem; color: rgba(255,255,255,0.35);
  letter-spacing: 0.3em; text-transform: uppercase; margin-top: 2px;
}
.nav-links { display: flex; align-items: center; gap: 0.25rem; list-style: none; }
.nav-link {
  color: rgba(255,255,255,0.72); font-size: 0.875rem; font-weight: 500;
  padding: 0.5rem 0.875rem; border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
}
.nav-link:hover, .nav-link.active { color: var(--color-brand-gold); }
.nav-cta {
  background: var(--color-brand-gold); color: #fff !important;
  font-size: 0.875rem; font-weight: 600;
  padding: 0.5rem 1.125rem; border-radius: var(--radius-sm);
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--color-brand-gold-hover); }
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; padding: 4px;
}
.nav-hamburger span { display: block; width: 22px; height: 2px; background: rgba(255,255,255,0.7); border-radius: 2px; }
.nav-mobile {
  display: none; position: fixed; top: var(--nav-height); left: 0; right: 0;
  background: var(--color-brand-dark); z-index: 99;
  padding: 1rem 1.5rem; border-bottom: 1px solid rgba(255,255,255,0.08);
  flex-direction: column; gap: 0.25rem;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  color: rgba(255,255,255,0.8); padding: 0.75rem 0;
  font-size: 0.9375rem; border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-mobile a:last-child { border-bottom: none; }
.nav-spacer { height: var(--nav-height); }
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
}

/* ─────────────────────────────────────────
   페이지 히어로 (서브 페이지)
───────────────────────────────────────── */
.page-hero {
  background: var(--color-brand-dark); padding: 4rem 0 3.5rem;
  position: relative; overflow: hidden;
}
.page-hero::after {
  content: ''; position: absolute; inset: 0;
  background-size: cover; background-position: center; opacity: 0.08;
}
.page-hero .container { position: relative; z-index: 1; }
.breadcrumb {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.8rem; color: rgba(255,255,255,0.4); margin-bottom: 1rem;
}
.breadcrumb a { color: rgba(255,255,255,0.4); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--color-brand-gold); }
.breadcrumb-sep { color: rgba(255,255,255,0.25); }
.breadcrumb-cur { color: var(--color-brand-gold); }
.page-hero-title { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; color: #fff; margin-bottom: 0.625rem; }
.page-hero-sub { font-size: 1rem; color: rgba(255,255,255,0.5); }

/* ─────────────────────────────────────────
   버튼
───────────────────────────────────────── */
.btn-hero-primary {
  background: var(--color-brand-gold); color: #fff;
  padding: 0.875rem 2rem; border-radius: var(--radius-md);
  font-weight: 700; font-size: 0.9375rem;
  display: inline-block; transition: background 0.2s, transform 0.2s;
  border: none;
}
.btn-hero-primary:hover { background: var(--color-brand-gold-hover); transform: translateY(-1px); }

.btn-hero-secondary {
  background: rgba(255,255,255,0.12); color: #fff;
  padding: 0.875rem 2rem; border-radius: var(--radius-md);
  font-weight: 600; font-size: 0.9375rem;
  border: 1px solid rgba(255,255,255,0.3);
  display: inline-block; transition: background 0.2s, transform 0.2s;
  backdrop-filter: blur(4px);
}
.btn-hero-secondary:hover { background: rgba(255,255,255,0.2); transform: translateY(-1px); }

.btn-gold {
  background: var(--color-brand-gold); color: #fff;
  padding: 0.9375rem 2rem; border-radius: var(--radius-md);
  font-weight: 700; font-size: 1rem; border: none;
  display: inline-flex; align-items: center; gap: 0.5rem;
  transition: background 0.2s, transform 0.2s;
}
.btn-gold:hover { background: var(--color-brand-gold-hover); transform: translateY(-1px); }
.btn-gold.full { width: 100%; justify-content: center; }

.btn-outline-gold {
  border: 1.5px solid var(--color-brand-gold); color: var(--color-brand-gold);
  padding: 0.75rem 1.75rem; border-radius: var(--radius-md);
  font-weight: 600; font-size: 0.9375rem;
  display: inline-block; transition: background 0.2s, color 0.2s;
  background: transparent;
}
.btn-outline-gold:hover { background: var(--color-brand-gold); color: #fff; }

.btn-primary {
  background: var(--color-brand-dark); color: #fff;
  padding: 0.75rem 1.5rem; border-radius: var(--radius-md);
  font-weight: 600; font-size: 0.875rem; border: none;
  display: inline-flex; align-items: center; gap: 0.5rem;
  transition: background 0.2s, transform 0.2s;
}
.btn-primary:hover { background: #2A2A2A; transform: translateY(-1px); }
.btn-primary.full { width: 100%; justify-content: center; font-size: 1rem; padding: 0.9375rem; }

.btn-cta-white {
  background: #fff; color: var(--color-brand-gold);
  padding: 0.9375rem 2.25rem; border-radius: var(--radius-md);
  font-weight: 700; font-size: 1rem; display: inline-block;
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-cta-white:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.15); }

.btn-danger {
  background: #EF4444; color: #fff;
  padding: 0.5rem 1rem; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.8rem; border: none;
  display: inline-flex; align-items: center; gap: 0.375rem;
  transition: background 0.2s;
}
.btn-danger:hover { background: #DC2626; }

.btn-secondary {
  background: var(--color-surface); color: var(--color-text);
  padding: 0.5rem 1rem; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.8rem; border: 1px solid var(--color-border);
  display: inline-flex; align-items: center; gap: 0.375rem;
  transition: background 0.2s;
}
.btn-secondary:hover { background: var(--color-surface-alt); }

/* ─────────────────────────────────────────
   히어로 섹션
───────────────────────────────────────── */
.hero {
  position: relative; height: 100vh; min-height: 600px;
  display: flex; align-items: center; justify-content: center;
  text-align: center; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: url('https://picsum.photos/seed/artspace-hero/1920/1080');
  background-size: cover; background-position: center;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(13,13,13,0.55) 0%, rgba(13,13,13,0.65) 100%);
}
.hero-content { position: relative; z-index: 1; padding: 0 1.5rem; max-width: 720px; }
.hero-eyebrow {
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.25em;
  text-transform: uppercase; color: var(--color-brand-gold); margin-bottom: 1.25rem;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800;
  color: #fff; line-height: 1.2; margin-bottom: 1.25rem; word-break: keep-all;
}
.hero-sub {
  font-size: clamp(0.9375rem, 2vw, 1.125rem);
  color: rgba(255,255,255,0.75); margin-bottom: 2.5rem; line-height: 1.7;
}
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.hero-scroll {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
}
.hero-scroll span { font-size: 0.7rem; color: rgba(255,255,255,0.4); letter-spacing: 0.2em; text-transform: uppercase; }
.hero-scroll-line {
  width: 1px; height: 36px;
  background: linear-gradient(to bottom, rgba(196,150,58,0.8), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse { 0%, 100% { opacity: 0.4; } 50% { opacity: 1; } }

/* ─────────────────────────────────────────
   강점 섹션
───────────────────────────────────────── */
.strength-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 3rem; }
@media (max-width: 900px) { .strength-grid { grid-template-columns: 1fr; } }
.strength-card {
  background: #fff; border: 1px solid var(--color-border);
  border-radius: 16px; padding: 2rem;
  transition: box-shadow 0.25s, border-color 0.25s, transform 0.25s;
}
.strength-card:hover {
  box-shadow: 0 8px 32px rgba(196,150,58,0.12);
  border-color: var(--color-brand-gold); transform: translateY(-3px);
}
.strength-icon {
  width: 52px; height: 52px; background: rgba(196,150,58,0.1);
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem; color: var(--color-brand-gold);
}
.strength-icon svg { width: 26px; height: 26px; }
.strength-title { font-size: 1.125rem; font-weight: 700; color: var(--color-text); margin-bottom: 0.625rem; }
.strength-desc { font-size: 0.875rem; color: var(--color-text-secondary); line-height: 1.75; }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
  margin-top: 3rem; padding: 2.5rem;
  background: var(--color-surface); border-radius: 16px; text-align: center;
}
@media (max-width: 640px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
.stat-value { font-size: 2rem; font-weight: 800; color: var(--color-brand-gold); }
.stat-label { font-size: 0.8rem; color: var(--color-text-secondary); margin-top: 0.25rem; }

/* ─────────────────────────────────────────
   갤러리 미리보기 (홈)
───────────────────────────────────────── */
.cases-section { background: var(--color-brand-dark); padding: 5rem 0; }
.cases-section .section-title { color: #fff; }
.gallery-preview-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2.5rem;
}
@media (max-width: 900px) { .gallery-preview-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .gallery-preview-grid { grid-template-columns: 1fr; } }
.gallery-preview-item {
  position: relative; border-radius: 12px; overflow: hidden;
  aspect-ratio: 4/3; cursor: pointer;
}
.gallery-preview-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.gallery-preview-item:hover img { transform: scale(1.06); }
.gallery-preview-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(13,13,13,0.75) 0%, transparent 50%);
  opacity: 0; transition: opacity 0.3s;
  display: flex; align-items: flex-end; padding: 1rem;
}
.gallery-preview-item:hover .gallery-preview-overlay { opacity: 1; }
.gallery-preview-label { color: #fff; font-size: 0.8125rem; font-weight: 600; }
.cases-cta { text-align: center; margin-top: 2.5rem; }

/* ─────────────────────────────────────────
   CTA 섹션
───────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, var(--color-brand-gold) 0%, var(--color-brand-gold-hover) 100%);
  padding: 5rem 0; text-align: center;
}
.cta-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem); font-weight: 800; color: #fff;
  margin-bottom: 1rem; word-break: keep-all;
}
.cta-sub { font-size: 1rem; color: rgba(255,255,255,0.82); margin-bottom: 2.25rem; line-height: 1.7; }
.cta-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn-cta-phone {
  background: rgba(255,255,255,0.15); color: #fff;
  padding: 0.9375rem 2.25rem; border-radius: var(--radius-md);
  font-weight: 600; font-size: 1rem;
  border: 1.5px solid rgba(255,255,255,0.4);
  display: inline-block; transition: background 0.2s;
}
.btn-cta-phone:hover { background: rgba(255,255,255,0.25); }

/* ─────────────────────────────────────────
   푸터
───────────────────────────────────────── */
.public-footer { background: var(--color-brand-dark); color: rgba(255,255,255,0.65); padding: 4rem 0 2rem; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
@media (max-width: 768px) { .footer-inner { grid-template-columns: 1fr; gap: 2rem; } }
.footer-brand-name { font-size: 1.25rem; font-weight: 800; color: var(--color-brand-gold); letter-spacing: 0.15em; }
.footer-brand-sub { font-size: 0.6rem; color: rgba(255,255,255,0.3); letter-spacing: 0.3em; text-transform: uppercase; margin-bottom: 1rem; }
.footer-desc { font-size: 0.875rem; color: rgba(255,255,255,0.45); line-height: 1.7; }
.footer-heading { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.9); margin-bottom: 1rem; }
.footer-list { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; font-size: 0.875rem; }
.footer-list li { color: rgba(255,255,255,0.55); }
.footer-list a { color: rgba(255,255,255,0.55); transition: color 0.2s; }
.footer-list a:hover { color: var(--color-brand-gold); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08); padding-top: 1.5rem;
  display: flex; flex-wrap: wrap; justify-content: space-between;
  gap: 0.5rem; font-size: 0.75rem; color: rgba(255,255,255,0.3);
}

/* ─────────────────────────────────────────
   회사소개 (about)
───────────────────────────────────────── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; gap: 2.5rem; } }
.about-img-wrap { border-radius: 20px; overflow: hidden; aspect-ratio: 4/3; box-shadow: 0 20px 60px rgba(0,0,0,0.12); }
.about-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.about-desc { font-size: 0.9375rem; color: var(--color-text-secondary); line-height: 1.85; margin-bottom: 1.25rem; }
.value-list { display: flex; flex-direction: column; gap: 0.875rem; margin-top: 1.75rem; }
.value-item { display: flex; align-items: flex-start; gap: 0.75rem; }
.value-dot { width: 8px; height: 8px; background: var(--color-brand-gold); border-radius: 50%; flex-shrink: 0; margin-top: 6px; }
.value-text { font-size: 0.9rem; color: #3A3A3A; line-height: 1.6; }
.timeline-section { background: var(--color-surface); padding: 5rem 0; }
.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(to bottom, var(--color-brand-gold), var(--color-brand-gold-light));
  border-radius: 2px;
}
.timeline-item { position: relative; padding: 0 0 2.5rem 2rem; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute; left: -2rem; top: 4px; width: 16px; height: 16px;
  background: var(--color-brand-gold); border-radius: 50%;
  border: 3px solid var(--color-surface);
  box-shadow: 0 0 0 2px var(--color-brand-gold); margin-left: -7px;
}
.timeline-year { font-size: 0.8rem; font-weight: 700; color: var(--color-brand-gold); letter-spacing: 0.1em; margin-bottom: 0.375rem; }
.timeline-title { font-size: 1.0625rem; font-weight: 700; color: var(--color-text); margin-bottom: 0.375rem; }
.timeline-desc { font-size: 0.875rem; color: var(--color-text-secondary); line-height: 1.7; }
.vision-section {
  background: var(--color-brand-dark); padding: 6rem 0; text-align: center;
  position: relative; overflow: hidden;
}
.vision-section::before {
  content: ''; position: absolute; top: -50%; left: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(196,150,58,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.vision-quote-mark { font-size: 5rem; color: rgba(196,150,58,0.2); line-height: 1; margin-bottom: -0.5rem; font-family: Georgia, serif; }
.vision-quote { font-size: clamp(1.25rem, 2.5vw, 1.875rem); font-weight: 700; color: #fff; line-height: 1.6; max-width: 680px; margin: 0 auto 1.5rem; word-break: keep-all; }
.vision-quote em { color: var(--color-brand-gold); font-style: normal; }
.vision-author { font-size: 0.875rem; color: rgba(255,255,255,0.4); letter-spacing: 0.1em; }
.vision-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-top: 2rem; }

/* ─────────────────────────────────────────
   시공사례 갤러리 (cases)
───────────────────────────────────────── */
.filter-area { padding: 2.5rem 0 1rem; }
.filter-bar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.filter-tabs { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.filter-tab {
  padding: 0.5rem 1.375rem; border-radius: 9999px;
  font-size: 0.875rem; font-weight: 600; cursor: pointer;
  border: 1.5px solid var(--color-border); background: #fff;
  color: var(--color-text-secondary); transition: all 0.2s;
}
.filter-tab:hover { border-color: var(--color-brand-gold); color: var(--color-brand-gold); }
.filter-tab.active { background: var(--color-brand-gold); border-color: var(--color-brand-gold); color: #fff; }
.gallery-count { font-size: 0.875rem; color: var(--color-text-muted); }
.gallery-section { padding: 1.5rem 0 5rem; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
@media (max-width: 900px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .gallery-grid { grid-template-columns: 1fr; } }
.gallery-item {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 4/3; cursor: pointer; background: var(--color-surface-alt);
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.gallery-item:hover img { transform: scale(1.07); }
.gallery-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(13,13,13,0.8) 0%, rgba(13,13,13,0.1) 50%, transparent 100%);
  opacity: 0; transition: opacity 0.3s;
  display: flex; flex-direction: column; justify-content: flex-end; padding: 1.25rem;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay-category { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-brand-gold); margin-bottom: 0.25rem; }
.gallery-overlay-title { font-size: 0.9375rem; font-weight: 700; color: #fff; }
.gallery-overlay-expand {
  position: absolute; top: 1rem; right: 1rem; width: 36px; height: 36px;
  background: rgba(255,255,255,0.15); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,0.3); color: #fff;
}
.gallery-overlay-expand svg { width: 16px; height: 16px; }

/* 라이트박스 */
.lightbox-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.92);
  z-index: 1000; display: flex; align-items: center; justify-content: center;
  padding: 1rem;
}
.lightbox-overlay.hidden { display: none; }
.lightbox-inner { position: relative; max-width: 900px; width: 100%; }
.lightbox-img { width: 100%; max-height: 80vh; object-fit: contain; border-radius: 8px; display: block; }
.lightbox-caption { color: rgba(255,255,255,0.7); font-size: 0.875rem; text-align: center; margin-top: 1rem; }
.lightbox-close {
  position: absolute; top: -3rem; right: 0;
  width: 40px; height: 40px; background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2); border-radius: 50%;
  color: #fff; font-size: 1.25rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
}
.lightbox-close:hover { background: rgba(255,255,255,0.2); }
.lightbox-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px; background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2); border-radius: 50%;
  color: #fff; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s, border-color 0.2s;
}
.lightbox-nav:hover { background: rgba(196,150,58,0.4); border-color: var(--color-brand-gold); }
#lbPrev { left: -3.5rem; }
#lbNext { right: -3.5rem; }
@media (max-width: 700px) { #lbPrev { left: 0.25rem; } #lbNext { right: 0.25rem; } }

/* ─────────────────────────────────────────
   서비스 (services)
───────────────────────────────────────── */
.service-section-alt { background: var(--color-surface); }
.service-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
@media (max-width: 900px) { .service-grid { grid-template-columns: 1fr; gap: 2.5rem; } }
.service-img-wrap { border-radius: 20px; overflow: hidden; aspect-ratio: 4/3; box-shadow: 0 16px 48px rgba(0,0,0,0.1); }
.service-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.service-list { display: flex; flex-direction: column; gap: 0.875rem; margin-top: 1.5rem; }
.service-item { display: flex; gap: 0.875rem; align-items: flex-start; }
.service-item-icon {
  width: 36px; height: 36px; background: rgba(196,150,58,0.1);
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; color: var(--color-brand-gold);
}
.service-item-icon svg { width: 18px; height: 18px; }
.service-item-title { font-size: 0.9375rem; font-weight: 700; color: var(--color-text); margin-bottom: 0.2rem; }
.service-item-desc { font-size: 0.8rem; color: var(--color-text-secondary); line-height: 1.6; }
.process-section { background: var(--color-surface); padding: 5rem 0; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; margin-top: 3rem; }
@media (max-width: 900px) { .process-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .process-grid { grid-template-columns: 1fr; } }
.process-card {
  background: #fff; border-radius: 16px; padding: 2rem;
  border: 1px solid var(--color-border); text-align: center;
  transition: box-shadow 0.25s, transform 0.25s;
}
.process-card:hover { box-shadow: 0 8px 24px rgba(196,150,58,0.1); transform: translateY(-3px); }
.process-num { font-size: 2.5rem; font-weight: 800; color: rgba(196,150,58,0.2); line-height: 1; margin-bottom: 1rem; }
.process-title { font-size: 1.0625rem; font-weight: 700; color: var(--color-text); margin-bottom: 0.5rem; }
.process-desc { font-size: 0.8rem; color: var(--color-text-secondary); line-height: 1.7; }
.service-cta-section { background: var(--color-brand-dark); padding: 5rem 0; text-align: center; }
.service-cta-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-top: 2rem; }

/* ─────────────────────────────────────────
   문의/오시는길 (contact)
───────────────────────────────────────── */
.contact-section { padding: 5rem 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; gap: 3rem; } }
.form-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: 2.5rem; box-shadow: 0 4px 24px rgba(0,0,0,0.05); }
.form-section-title { font-size: 1.25rem; font-weight: 800; color: var(--color-text); margin-bottom: 0.375rem; }
.form-section-sub { font-size: 0.875rem; color: var(--color-text-muted); margin-bottom: 2rem; }
.form-group { margin-bottom: 1.25rem; }
.form-label { display: block; font-size: 0.8125rem; font-weight: 600; color: #3A3A3A; margin-bottom: 0.5rem; }
.form-label .required { color: var(--color-brand-gold); margin-left: 2px; }
.form-input {
  width: 100%; padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-border); border-radius: var(--radius-md);
  font-size: 0.9375rem; color: var(--color-text); background: var(--color-bg);
  transition: border-color 0.2s, box-shadow 0.2s; outline: none;
}
.form-input:focus { border-color: var(--color-brand-gold); box-shadow: 0 0 0 3px rgba(196,150,58,0.12); }
.form-input::placeholder { color: #C0BDB6; }
textarea.form-input { resize: vertical; min-height: 140px; line-height: 1.6; }
select.form-input { cursor: pointer; }
.privacy-note { font-size: 0.75rem; color: var(--color-text-muted); margin-top: 0.75rem; text-align: center; line-height: 1.6; }
.info-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-xl); overflow: hidden; box-shadow: 0 4px 24px rgba(0,0,0,0.05); }
.map-area { background: var(--color-surface-alt); height: 280px; overflow: hidden; }
.map-area iframe { width: 100%; height: 100%; border: none; }
.map-placeholder-box {
  height: 280px; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 0.75rem;
  color: var(--color-text-muted); background: var(--color-surface-alt);
  border-bottom: 1px solid var(--color-border);
}
.map-placeholder-box svg { width: 40px; height: 40px; color: var(--color-brand-gold); opacity: 0.6; }
.info-body { padding: 2rem; }
.info-section-title { font-size: 1.125rem; font-weight: 800; color: var(--color-text); margin-bottom: 1.5rem; }
.info-item { display: flex; gap: 0.875rem; margin-bottom: 1.25rem; align-items: flex-start; }
.info-icon { width: 36px; height: 36px; background: rgba(196,150,58,0.1); border-radius: 8px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--color-brand-gold); }
.info-icon svg { width: 18px; height: 18px; }
.info-label { font-size: 0.75rem; font-weight: 700; color: var(--color-text-muted); letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 0.2rem; }
.info-value { font-size: 0.9375rem; color: var(--color-text); font-weight: 500; line-height: 1.5; }
.transit-section { border-top: 1px solid var(--color-border); padding: 1.5rem 2rem; }
.transit-title { font-size: 0.875rem; font-weight: 700; color: var(--color-text); margin-bottom: 1rem; }
.transit-item { display: flex; gap: 0.625rem; margin-bottom: 0.625rem; font-size: 0.8125rem; align-items: flex-start; }
.transit-badge { padding: 0.15rem 0.5rem; border-radius: 4px; font-size: 0.7rem; font-weight: 700; white-space: nowrap; }
.badge-subway { background: #003DA5; color: #fff; }
.badge-bus { background: #09681D; color: #fff; }
.badge-car { background: #5A5A5A; color: #fff; }
.transit-desc { color: var(--color-text-secondary); line-height: 1.5; }

/* ─────────────────────────────────────────
   Alert
───────────────────────────────────────── */
.alert {
  padding: 0.875rem 1.125rem; border-radius: var(--radius-md);
  font-size: 0.875rem; font-weight: 500; margin-bottom: 1.5rem;
  display: flex; align-items: flex-start; gap: 0.625rem;
}
.alert.hidden { display: none; }
.alert svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; }
.alert-success { background: rgba(34,197,94,0.08); border: 1px solid rgba(34,197,94,0.25); color: #166534; }
.alert-error { background: var(--color-error-bg); border: 1px solid var(--color-error-border); color: var(--color-error-text); }
.alert-info { background: rgba(59,130,246,0.08); border: 1px solid rgba(59,130,246,0.25); color: #1d4ed8; }

/* ─────────────────────────────────────────
   로그인 페이지
───────────────────────────────────────── */
.login-body {
  background: var(--color-surface); min-height: 100vh;
  display: flex; align-items: center; justify-content: center; padding: 1rem;
  position: relative; overflow: hidden;
}
.login-body::before {
  content: ''; position: fixed; top: -20%; right: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(196,150,58,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.login-body::after {
  content: ''; position: fixed; bottom: -20%; left: -10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(13,13,13,0.04) 0%, transparent 70%);
  pointer-events: none;
}
.login-wrap { width: 100%; max-width: 420px; position: relative; z-index: 1; }
.login-logo { text-align: center; margin-bottom: 2rem; }
.login-logo-brand { font-size: 1.625rem; font-weight: 800; color: var(--color-brand-dark); letter-spacing: 0.15em; line-height: 1.1; }
.login-logo-sub { font-size: 0.65rem; color: var(--color-text-muted); letter-spacing: 0.3em; text-transform: uppercase; margin-top: 4px; }
.login-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-xl); box-shadow: 0 8px 32px rgba(0,0,0,0.07); overflow: hidden; }
.login-card-body { padding: 2.5rem; }
.login-card-title { font-size: 1.375rem; font-weight: 800; color: var(--color-text); margin-bottom: 0.375rem; }
.login-card-sub { font-size: 0.875rem; color: var(--color-text-muted); margin-bottom: 2rem; }
.password-wrap { position: relative; }
.password-toggle {
  position: absolute; right: 0.875rem; top: 50%; transform: translateY(-50%);
  background: none; border: none; color: var(--color-text-muted); padding: 0.25rem;
  display: flex; align-items: center; transition: color 0.2s;
}
.password-toggle:hover { color: var(--color-brand-gold); }
.remember-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; }
.remember-check { display: flex; align-items: center; gap: 0.5rem; font-size: 0.8125rem; color: var(--color-text-secondary); cursor: pointer; }
.remember-check input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--color-brand-gold); cursor: pointer; }
.forgot-link { font-size: 0.8rem; color: var(--color-text-muted); transition: color 0.2s; }
.forgot-link:hover { color: var(--color-brand-gold); }
.back-link { text-align: center; margin-top: 1.5rem; }
.back-link a { color: var(--color-brand-gold); font-size: 0.8rem; font-weight: 500; transition: opacity 0.2s; }
.back-link a:hover { opacity: 0.8; }

/* ─────────────────────────────────────────
   관리자 레이아웃
───────────────────────────────────────── */
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 240px; min-height: 100vh; background: var(--admin-sidebar-bg);
  display: flex; flex-direction: column; flex-shrink: 0;
  position: fixed; top: 0; left: 0; bottom: 0; z-index: 100;
}
.admin-sidebar-logo { padding: 1.5rem 1.25rem 1.25rem; border-bottom: 1px solid rgba(255,255,255,0.07); }
.admin-brand { font-size: 1.125rem; font-weight: 700; color: var(--color-brand-gold); letter-spacing: 0.08em; }
.admin-brand-sub { font-size: 0.7rem; color: #64748B; margin-top: 0.2rem; letter-spacing: 0.04em; }
.admin-nav { flex: 1; padding: 1rem 0.75rem; overflow-y: auto; }
.admin-nav-label {
  font-size: 0.65rem; font-weight: 600; color: #475569;
  text-transform: uppercase; letter-spacing: 0.08em;
  padding: 0 0.5rem; margin: 0.75rem 0 0.35rem;
}
.admin-nav-link {
  display: flex; align-items: center; gap: 0.625rem;
  padding: 0.55rem 0.75rem; border-radius: var(--radius-sm);
  color: var(--admin-sidebar-text); font-size: 0.875rem;
  transition: background 0.15s, color 0.15s;
  margin-bottom: 0.15rem;
}
.admin-nav-link svg { width: 16px; height: 16px; flex-shrink: 0; }
.admin-nav-link:hover { background: rgba(255,255,255,0.05); color: #CBD5E1; }
.admin-nav-link.active { background: var(--admin-sidebar-surface); color: #F1F5F9; }
.admin-nav-link.active svg { color: var(--color-brand-gold); }
.admin-nav-badge {
  margin-left: auto; background: #EF4444; color: #fff;
  font-size: 0.65rem; font-weight: 700; border-radius: 9999px;
  padding: 0.1rem 0.4rem; min-width: 18px; text-align: center;
}
.admin-sidebar-footer { padding: 1rem 0.75rem; border-top: 1px solid rgba(255,255,255,0.07); }
.admin-logout { display: flex; align-items: center; gap: 0.625rem; color: #64748B; font-size: 0.8rem; padding: 0.5rem 0.75rem; border-radius: var(--radius-sm); transition: color 0.15s, background 0.15s; }
.admin-logout:hover { color: #94A3B8; background: rgba(255,255,255,0.04); }
.admin-logout svg { width: 16px; height: 16px; }
.admin-main { margin-left: 240px; flex: 1; display: flex; flex-direction: column; min-height: 100vh; background: var(--admin-content-bg); }
.admin-header {
  background: #fff; border-bottom: 1px solid var(--admin-border);
  padding: 0 1.5rem; height: 56px;
  display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 50;
}
.admin-page-title { font-size: 0.9375rem; font-weight: 600; color: var(--admin-sidebar-bg); }
.admin-user-text { font-size: 0.8rem; color: #64748B; }
.admin-content { padding: 1.75rem; flex: 1; }
.admin-stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1.75rem; }
@media (max-width: 1100px) { .admin-stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .admin-stats-grid { grid-template-columns: 1fr; } }
.admin-stat-card {
  background: #fff; border: 1px solid var(--admin-border);
  border-radius: var(--radius-md); padding: 1.25rem;
  display: flex; align-items: flex-start; gap: 1rem;
}
.admin-stat-icon { width: 40px; height: 40px; border-radius: 8px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.admin-stat-icon svg { width: 20px; height: 20px; }
.admin-stat-icon.gold { background: rgba(196,150,58,0.12); color: var(--color-brand-gold); }
.admin-stat-icon.red   { background: rgba(239,68,68,0.1); color: #EF4444; }
.admin-stat-icon.blue  { background: rgba(59,130,246,0.1); color: #3B82F6; }
.admin-stat-icon.green { background: rgba(34,197,94,0.1); color: #22C55E; }
.admin-stat-label { font-size: 0.75rem; color: #64748B; margin-bottom: 0.25rem; }
.admin-stat-value { font-size: 1.625rem; font-weight: 700; color: var(--admin-sidebar-bg); line-height: 1.2; }
.admin-stat-sub { font-size: 0.7rem; color: #94A3B8; margin-top: 0.15rem; }
.admin-table-card { background: #fff; border: 1px solid var(--admin-border); border-radius: var(--radius-md); overflow: hidden; margin-bottom: 1.5rem; }
.admin-table-card-header { padding: 1rem 1.25rem; border-bottom: 1px solid var(--admin-border); display: flex; align-items: center; justify-content: space-between; }
.admin-table-card-title { font-size: 0.9rem; font-weight: 600; color: var(--admin-sidebar-bg); }
.admin-table-card-link { font-size: 0.8rem; color: var(--color-brand-gold); }
.admin-table-card-link:hover { text-decoration: underline; }
.admin-table-actions { display: flex; gap: 0.5rem; align-items: center; }
table { width: 100%; border-collapse: collapse; }
thead th {
  background: #F8FAFC; padding: 0.65rem 1rem;
  font-size: 0.72rem; font-weight: 600; color: #64748B;
  text-align: left; border-bottom: 1px solid var(--admin-border);
  white-space: nowrap;
}
tbody td {
  padding: 0.75rem 1rem; font-size: 0.825rem; color: #334155;
  border-bottom: 1px solid #F1F5F9; vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: #FAFAFA; }
.admin-badge {
  display: inline-flex; align-items: center; padding: 0.2rem 0.6rem;
  border-radius: 9999px; font-size: 0.7rem; font-weight: 600; white-space: nowrap;
}
.admin-badge-pending { background: var(--color-warning-bg); color: var(--color-warning-text); }
.admin-badge-done { background: var(--color-success-bg); color: var(--color-success-text); }
.admin-page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; flex-wrap: wrap; gap: 0.75rem; }
.admin-page-h1 { font-size: 1.25rem; font-weight: 700; color: var(--admin-sidebar-bg); }
.admin-filter-bar { background: #fff; border: 1px solid var(--admin-border); border-radius: var(--radius-md); padding: 1rem 1.25rem; margin-bottom: 1rem; display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: flex-end; }
.admin-filter-group { display: flex; flex-direction: column; gap: 0.375rem; }
.admin-filter-label { font-size: 0.72rem; font-weight: 600; color: #64748B; }
.admin-filter-input {
  padding: 0.5rem 0.875rem; border: 1px solid var(--admin-border); border-radius: var(--radius-sm);
  font-size: 0.8125rem; color: var(--color-text); background: #fff;
  outline: none; transition: border-color 0.2s;
}
.admin-filter-input:focus { border-color: var(--color-brand-gold); }
.admin-detail-card { background: #fff; border: 1px solid var(--admin-border); border-radius: var(--radius-md); padding: 2rem; }
.admin-detail-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 2rem; padding-bottom: 1.25rem; border-bottom: 1px solid var(--admin-border); flex-wrap: wrap; gap: 0.75rem; }
.admin-detail-id { font-size: 1.125rem; font-weight: 700; color: var(--admin-sidebar-bg); }
.admin-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 1.5rem; }
@media (max-width: 640px) { .admin-detail-grid { grid-template-columns: 1fr; } }
.admin-detail-field { display: flex; flex-direction: column; gap: 0.375rem; }
.admin-detail-field.full { grid-column: 1 / -1; }
.admin-detail-label { font-size: 0.72rem; font-weight: 700; color: #64748B; letter-spacing: 0.05em; text-transform: uppercase; }
.admin-detail-value { font-size: 0.9rem; color: var(--color-text); line-height: 1.6; }
.admin-detail-footer { border-top: 1px solid var(--admin-border); padding-top: 1.25rem; display: flex; gap: 0.75rem; flex-wrap: wrap; }
.pagination { display: flex; gap: 0.25rem; flex-wrap: wrap; justify-content: center; padding: 1rem; }
.pagination a, .pagination span {
  padding: 0.4rem 0.75rem; border-radius: var(--radius-sm);
  font-size: 0.8125rem; font-weight: 500; border: 1px solid var(--admin-border);
  color: #64748B; background: #fff; transition: all 0.2s;
}
.pagination a:hover { border-color: var(--color-brand-gold); color: var(--color-brand-gold); }
.pagination .current { background: var(--color-brand-gold); color: #fff; border-color: var(--color-brand-gold); }
.admin-form-section { margin-bottom: 2rem; }
.admin-form-section-title { font-size: 1rem; font-weight: 700; color: var(--admin-sidebar-bg); margin-bottom: 1.25rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--admin-border); }
.admin-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
@media (max-width: 640px) { .admin-form-grid { grid-template-columns: 1fr; } }
.admin-form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.admin-form-group.full { grid-column: 1 / -1; }
.admin-form-label { font-size: 0.8125rem; font-weight: 600; color: #3A3A3A; }
.admin-form-input {
  padding: 0.625rem 0.875rem; border: 1.5px solid var(--admin-border); border-radius: var(--radius-sm);
  font-size: 0.875rem; color: var(--color-text); background: #fff; outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.admin-form-input:focus { border-color: var(--color-brand-gold); box-shadow: 0 0 0 3px rgba(196,150,58,0.1); }
textarea.admin-form-input { resize: vertical; min-height: 100px; line-height: 1.6; }
.admin-form-hint { font-size: 0.75rem; color: #94A3B8; line-height: 1.5; }
.admin-form-footer { display: flex; gap: 0.75rem; justify-content: flex-end; padding-top: 1.25rem; border-top: 1px solid var(--admin-border); flex-wrap: wrap; }
.empty-row td { text-align: center; padding: 3rem 1rem; color: var(--color-text-muted); font-size: 0.875rem; }

/* ─────────────────────────────────────────
   어드민 공통 컴포넌트 (어드민 페이지 전용)
───────────────────────────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-bottom: 1.75rem; }
.stats-grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .stats-grid, .stats-grid-2 { grid-template-columns: 1fr; } }

.stat-card { background: #fff; border: 1px solid var(--admin-border); border-radius: var(--radius-md); padding: 1.25rem; display: flex; align-items: flex-start; gap: 1rem; }
.stat-icon { width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.25rem; flex-shrink: 0; }
.stat-icon-blue  { background: rgba(59,130,246,0.1); }
.stat-icon-green { background: rgba(34,197,94,0.1); }
.stat-icon-amber { background: rgba(251,191,36,0.1); }
.stat-body { flex: 1; min-width: 0; }
.stat-label { font-size: 0.75rem; color: #64748B; margin-bottom: 0.2rem; }
.stat-value { font-size: 1.625rem; font-weight: 700; color: var(--admin-sidebar-bg); line-height: 1.2; }
.stat-unit { font-size: 0.875rem; font-weight: 400; color: #94A3B8; margin-left: 2px; }

.admin-section { background: #fff; border: 1px solid var(--admin-border); border-radius: var(--radius-md); overflow: hidden; margin-bottom: 1.5rem; }
.admin-section-header { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.25rem; border-bottom: 1px solid var(--admin-border); flex-wrap: wrap; gap: 0.75rem; }
.admin-section > .admin-section-header + * { padding: 0; }
.admin-section-title { font-size: 0.9375rem; font-weight: 600; color: var(--admin-sidebar-bg); }

.table-wrap { background: #fff; border: 1px solid var(--admin-border); border-radius: var(--radius-md); overflow-x: auto; margin-bottom: 1.25rem; }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table thead th { background: #F8FAFC; padding: 0.65rem 1rem; font-size: 0.72rem; font-weight: 600; color: #64748B; text-align: left; border-bottom: 1px solid var(--admin-border); white-space: nowrap; }
.admin-table tbody td { padding: 0.75rem 1rem; font-size: 0.825rem; color: #334155; border-bottom: 1px solid #F1F5F9; vertical-align: middle; }
.admin-table tbody tr:last-child td { border-bottom: none; }
.admin-table tbody tr:hover td { background: #FAFAFA; }
.table-empty { text-align: center; padding: 3rem; color: var(--color-text-muted); font-size: 0.875rem; }
.table-row-link { cursor: pointer; }
.table-row-link:hover td { background: rgba(196,150,58,0.03) !important; }

/* 버튼 */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.375rem;
  padding: 0.625rem 1.25rem; border-radius: var(--radius-sm);
  background: var(--color-brand-gold); color: #fff;
  font-size: 0.875rem; font-weight: 600; border: none;
  cursor: pointer; transition: background 0.2s, transform 0.15s;
  text-decoration: none; white-space: nowrap;
}
.btn-primary:hover { background: var(--color-brand-gold-hover); }
.btn-primary:active { transform: scale(0.98); }

.btn-outline-sm {
  display: inline-flex; align-items: center;
  padding: 0.4rem 0.875rem; border-radius: var(--radius-sm);
  border: 1.5px solid var(--admin-border); background: #fff;
  color: #475569; font-size: 0.8rem; font-weight: 500;
  cursor: pointer; transition: border-color 0.2s, color 0.2s;
  text-decoration: none; white-space: nowrap;
}
.btn-outline-sm:hover { border-color: var(--color-brand-gold); color: var(--color-brand-gold); }

.btn-sm {
  display: inline-flex; align-items: center;
  padding: 0.35rem 0.75rem; border-radius: var(--radius-sm);
  font-size: 0.775rem; font-weight: 600; border: none;
  cursor: pointer; transition: opacity 0.15s; white-space: nowrap;
}
.btn-success { background: #D1FAE5; color: #065F46; }
.btn-success:hover { background: #A7F3D0; }
.btn-danger  { background: rgba(239,68,68,0.1); color: #DC2626; }
.btn-danger:hover  { background: rgba(239,68,68,0.18); }

/* 배지 */
.badge { display: inline-flex; align-items: center; padding: 0.15rem 0.55rem; border-radius: 9999px; font-size: 0.7rem; font-weight: 600; }
.badge-done { background: var(--color-success-bg); color: var(--color-success-text); }
.badge-pending { background: var(--color-warning-bg); color: var(--color-warning-text); }

/* 상세 카드 */
.detail-nav { margin-bottom: 1.25rem; }
.detail-card { background: #fff; border: 1px solid var(--admin-border); border-radius: var(--radius-md); overflow: hidden; margin-bottom: 1.25rem; }
.detail-row { display: grid; grid-template-columns: 140px 1fr; gap: 1rem; padding: 0.875rem 1.25rem; border-bottom: 1px solid #F1F5F9; align-items: baseline; }
.detail-row:last-child { border-bottom: none; }
.detail-row-message { align-items: flex-start; }
.detail-label { font-size: 0.75rem; font-weight: 700; color: #64748B; letter-spacing: 0.04em; text-transform: uppercase; }
.detail-value { font-size: 0.9rem; color: var(--color-text); }
.detail-message { font-size: 0.875rem; color: var(--color-text); line-height: 1.8; white-space: pre-wrap; }
.detail-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 1.5rem; }

/* 폼 */
.edit-form { background: #fff; border: 1px solid var(--admin-border); border-radius: var(--radius-md); padding: 1.75rem; max-width: 640px; }
.form-hint { font-size: 0.75rem; color: #94A3B8; margin-top: 0.375rem; }
.form-actions { display: flex; gap: 0.75rem; padding-top: 1.25rem; border-top: 1px solid var(--admin-border); flex-wrap: wrap; }
.form-input-short { max-width: 140px; }

/* 설정 */
.settings-section { background: #fff; border: 1px solid var(--admin-border); border-radius: var(--radius-md); padding: 1.5rem; margin-bottom: 1.25rem; }
.settings-section-title { font-size: 0.9375rem; font-weight: 700; color: var(--admin-sidebar-bg); margin-bottom: 1.25rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--admin-border); }
.toggle-label { display: flex; align-items: center; gap: 0.625rem; font-size: 0.875rem; color: var(--color-text-secondary); cursor: pointer; }
.toggle-label input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--color-brand-gold); cursor: pointer; }

/* 검색바 */
.search-bar { display: flex; gap: 0.5rem; align-items: center; }
.search-input { padding: 0.5rem 0.875rem; border: 1.5px solid var(--admin-border); border-radius: var(--radius-sm); font-size: 0.875rem; color: var(--color-text); background: #fff; outline: none; min-width: 220px; transition: border-color 0.2s; }
.search-input:focus { border-color: var(--color-brand-gold); }

/* 페이지네이션 버튼 */
.page-btn { padding: 0.4rem 0.75rem; border-radius: var(--radius-sm); font-size: 0.8125rem; font-weight: 500; border: 1px solid var(--admin-border); color: #64748B; background: #fff; transition: all 0.2s; text-decoration: none; display: inline-flex; align-items: center; }
.page-btn:hover { border-color: var(--color-brand-gold); color: var(--color-brand-gold); }
.page-btn.active { background: var(--color-brand-gold); color: #fff; border-color: var(--color-brand-gold); }

/* 차트 */
.chart-wrap { position: relative; max-height: 300px; }
.chart-wrap-pie { max-height: 260px; max-width: 400px; margin: 0 auto; }

/* 썸네일 */
.case-thumb { width: 56px; height: 42px; object-fit: cover; border-radius: 4px; background: var(--color-surface-alt); }

/* 시공사례 수정 미리보기 */
.case-preview { margin-bottom: 1.5rem; }
.case-preview-img { max-width: 320px; width: 100%; border-radius: var(--radius-md); border: 1px solid var(--admin-border); object-fit: cover; max-height: 240px; }
.case-preview-filename { font-size: 0.775rem; color: var(--color-text-muted); margin-top: 0.5rem; }

/* 버튼 필터 (어드민 헤더에서) */
.filter-form { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.filter-form-row { display: flex; align-items: center; gap: 0.625rem; flex-wrap: wrap; }
.form-inline { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }

/* 로그 상세 */
.detail-mono { font-size: 0.8rem; color: var(--color-text-secondary); word-break: break-all; line-height: 1.6; }
.detail-json { font-size: 0.8rem; background: #F8FAFC; border: 1px solid var(--admin-border); border-radius: var(--radius-sm); padding: 0.875rem 1rem; line-height: 1.6; overflow-x: auto; white-space: pre; color: #334155; }

/* ─────────────────────────────────────────
   반응형 (태블릿 이하)
───────────────────────────────────────── */
@media (max-width: 1024px) {
  .admin-sidebar { width: 200px; }
  .admin-main { margin-left: 200px; }
}
@media (max-width: 768px) {
  .section { padding: 3rem 0; }
  .admin-sidebar { display: none; }
  .admin-main { margin-left: 0; }
}

/* ─────────────────────────────────────────
   관리자 모바일 네비게이션
───────────────────────────────────────── */
.admin-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: background 0.2s;
  flex-shrink: 0;
}
.admin-menu-toggle:hover { background: rgba(100,116,139,0.1); }
.admin-menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: #64748B;
  border-radius: 2px;
  transition: all 0.25s ease;
}

.admin-mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 1040;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.admin-mobile-overlay.open {
  opacity: 1;
}

.admin-mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 260px;
  background: var(--admin-sidebar-bg);
  z-index: 1050;
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform 0.28s cubic-bezier(0.4,0,0.2,1);
  padding: 0;
  box-shadow: 4px 0 24px rgba(0,0,0,0.3);
}
.admin-mobile-nav.open {
  transform: translateX(0);
}
.admin-mobile-nav .mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.125rem 1.25rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.admin-mobile-nav .mobile-nav-logo {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}
.admin-mobile-nav .mobile-nav-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  color: #94A3B8;
  border-radius: var(--radius-sm);
  transition: background 0.15s;
}
.admin-mobile-nav .mobile-nav-close:hover { background: rgba(255,255,255,0.08); color: #fff; }
.admin-mobile-nav .mobile-nav-group-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #475569;
  padding: 1rem 1.25rem 0.375rem;
}
.admin-mobile-nav a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1.25rem;
  font-size: 0.875rem;
  color: #94A3B8;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
  border-radius: 0;
}
.admin-mobile-nav a:hover { background: rgba(255,255,255,0.06); color: #E2E8F0; }
.admin-mobile-nav a.active { background: rgba(196,150,58,0.18); color: var(--color-brand-gold); }
.admin-mobile-nav a svg { flex-shrink: 0; opacity: 0.7; }
.admin-mobile-nav a.active svg { opacity: 1; }

@media (max-width: 768px) {
  .admin-menu-toggle { display: flex; }
  .admin-mobile-overlay { display: block; }
  .admin-mobile-nav { display: block; }
}