/* ============================================================
   청년안심주택협회 - 공통 CSS
   Brand Color: #5AAE2B (Primary Green), #FFFFFF, #F5F7F3
   ============================================================ */

:root {
  --primary: #5AAE2B;
  --primary-dark: #448F1F;
  --primary-light: #7CC84E;
  --primary-ultra-light: #EDF7E6;
  --secondary: #2C6E12;
  --accent: #F4A726;
  --white: #FFFFFF;
  --gray-50: #F8FAF6;
  --gray-100: #F0F4EC;
  --gray-200: #E2EDD9;
  --gray-300: #C8DBBF;
  --gray-400: #9AB88E;
  --gray-500: #6B8C5F;
  --gray-600: #4A6340;
  --gray-700: #344A2C;
  --gray-800: #243320;
  --gray-900: #1A2618;
  --text-primary: #1E3A14;
  --text-secondary: #4A6B3A;
  --text-muted: #7A9B68;
  --border: #D5E8C8;
  --shadow-sm: 0 1px 3px rgba(42, 90, 20, 0.08);
  --shadow-md: 0 4px 16px rgba(42, 90, 20, 0.12);
  --shadow-lg: 0 8px 32px rgba(42, 90, 20, 0.16);
  --shadow-xl: 0 16px 48px rgba(42, 90, 20, 0.20);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Pretendard', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }
ul, ol { list-style: none; }

/* ============================================================
   HEADER & NAVIGATION
   ============================================================ */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  height: 72px;
  gap: 40px;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
}

.logo-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-text .ko {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary-dark);
  letter-spacing: -0.3px;
}

.logo-text .en {
  font-size: 10px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.3px;
}

/* GNB */
.gnb {
  flex: 1;
  display: flex;
  align-items: center;
}

.gnb-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.gnb-item {
  position: relative;
}

.gnb-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-700);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}

.gnb-link:hover, .gnb-link.active {
  color: var(--primary);
  background: var(--primary-ultra-light);
}

.gnb-link .arrow {
  font-size: 11px;
  transition: transform 0.2s;
}

.gnb-item:hover .arrow {
  transform: rotate(180deg);
}

/* Dropdown */
.gnb-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 180px;
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
  z-index: 100;
}

.gnb-item:hover .gnb-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.gnb-dropdown a {
  display: block;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.gnb-dropdown a:hover {
  background: var(--primary-ultra-light);
  color: var(--primary);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.btn-admin-login {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  background: var(--primary);
  color: var(--white);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: var(--transition);
  white-space: nowrap;
}

.btn-admin-login:hover {
  background: var(--primary-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 72px;
  left: 0; right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  z-index: 999;
  padding: 16px;
  max-height: calc(100vh - 72px);
  overflow-y: auto;
}

.mobile-nav.open { display: block; }

.mobile-nav-item {
  border-bottom: 1px solid var(--gray-100);
}

.mobile-nav-link {
  display: block;
  padding: 14px 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.mobile-nav-sub {
  padding: 0 8px 12px;
}

.mobile-nav-sub a {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
}

.mobile-nav-sub a:hover {
  background: var(--primary-ultra-light);
  color: var(--primary);
}

/* ============================================================
   PAGE HERO (Sub pages) — Premium Version
   ============================================================ */

.page-hero {
  margin-top: 72px;
  position: relative;
  overflow: hidden;
  min-height: 340px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 24px;
  background: linear-gradient(155deg, #0d2206 0%, #142d09 25%, #1e4d0d 55%, #2a6312 80%, #357a17 100%);
}

/* 격자 패턴 오버레이 */
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 1;
}

/* 우상단 빛 번짐 원형 */
.page-hero::after {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(90,174,43,0.18) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
}

/* 좌하단 보조 빛 */
.page-hero-glow {
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(168,255,110,0.08) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
}

.page-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 80px 0 64px;
}

.page-hero-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.3px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 5px 14px;
  border-radius: 100px;
}

.page-hero-breadcrumb a {
  color: rgba(255,255,255,0.75);
  transition: color 0.2s;
}
.page-hero-breadcrumb a:hover { color: #A8FF6E; }
.page-hero-breadcrumb .sep { font-size: 9px; color: rgba(255,255,255,0.35); }

.page-hero-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(168,255,110,0.15);
  border: 1px solid rgba(168,255,110,0.3);
  color: #A8FF6E;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.page-hero h1 {
  font-size: clamp(30px, 5vw, 48px);
  font-weight: 900;
  color: #fff;
  letter-spacing: -1.5px;
  line-height: 1.15;
  margin-bottom: 16px;
}

.page-hero h1 em {
  font-style: normal;
  color: #A8FF6E;
}

.page-hero-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.72);
  line-height: 1.75;
  max-width: 560px;
  margin-bottom: 32px;
}

/* 히어로 하단 통계 바 */
.page-hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: 0;
}

.page-hero-stat {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0 28px 0 0;
  margin-right: 28px;
  border-right: 1px solid rgba(255,255,255,0.15);
}

.page-hero-stat:last-child {
  border-right: none;
  margin-right: 0;
}

.page-hero-stat .num {
  font-size: 26px;
  font-weight: 900;
  color: #A8FF6E;
  letter-spacing: -1px;
  line-height: 1;
}

.page-hero-stat .lbl {
  font-size: 11px;
  color: rgba(255,255,255,0.55);
  font-weight: 500;
  margin-top: 4px;
  letter-spacing: 0.2px;
}

/* 우측 장식 패널 */
.page-hero-deco {
  position: absolute;
  right: 60px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-hero-deco-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 14px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  backdrop-filter: blur(8px);
  min-width: 220px;
}

.page-hero-deco-card .icon {
  width: 36px;
  height: 36px;
  background: rgba(168,255,110,0.15);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #A8FF6E;
  font-size: 16px;
  flex-shrink: 0;
}

.page-hero-deco-card .text strong {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2px;
}

.page-hero-deco-card .text span {
  font-size: 11px;
  color: rgba(255,255,255,0.5);
}

/* 하단 웨이브 */
.page-hero-wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  z-index: 3;
  line-height: 0;
}

.page-hero-wave svg {
  display: block;
  width: 100%;
}

/* Sub Nav Tabs */
.sub-nav {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 72px;
  z-index: 500;
}

.sub-nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

.sub-nav-inner::-webkit-scrollbar { display: none; }

.sub-nav-link {
  display: block;
  padding: 16px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 3px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}

.sub-nav-link:hover { color: var(--primary); }
.sub-nav-link.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-secondary:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--white);
  color: var(--primary);
  border-color: var(--white);
}

.btn-white:hover {
  background: var(--primary-ultra-light);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 13px;
}

.btn-lg {
  padding: 16px 40px;
  font-size: 16px;
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* ============================================================
   CARDS
   ============================================================ */

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--primary-light);
}

.card-body { padding: 24px; }
.card-header { padding: 20px 24px; border-bottom: 1px solid var(--gray-100); }
.card-footer { padding: 16px 24px; border-top: 1px solid var(--gray-100); background: var(--gray-50); }

/* ============================================================
   BADGES
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 700;
  border-radius: var(--radius-full);
  letter-spacing: 0.3px;
}

.badge-primary { background: var(--primary-ultra-light); color: var(--primary-dark); }
.badge-urgent { background: #FEF0E7; color: #D4560B; }
.badge-important { background: #FFF3E0; color: #E6850A; }
.badge-success { background: #E8F5E9; color: #2E7D32; }
.badge-info { background: #E3F2FD; color: #1565C0; }

/* ============================================================
   FORMS
   ============================================================ */

.form-group { margin-bottom: 20px; }

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-label .required {
  color: #E53E3E;
  margin-left: 2px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--text-primary);
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  transition: var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(90, 174, 43, 0.12);
}

.form-control::placeholder { color: var(--text-muted); }

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

select.form-control { cursor: pointer; }

.form-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.form-error {
  font-size: 12px;
  color: #E53E3E;
  margin-top: 4px;
}

/* ============================================================
   TABLES
   ============================================================ */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

thead { background: var(--gray-50); }

th {
  padding: 14px 16px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

td {
  padding: 16px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--text-primary);
  vertical-align: middle;
}

tr:last-child td { border-bottom: none; }

tr:hover td { background: var(--gray-50); }

.td-title a:hover { color: var(--primary); }

/* ============================================================
   PAGINATION
   ============================================================ */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: 32px;
}

.page-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
  background: var(--white);
}

.page-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.page-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

/* ============================================================
   SECTION LAYOUT
   ============================================================ */

.section {
  padding: 80px 24px;
}

.section-sm { padding: 40px 24px; }
.section-lg { padding: 120px 24px; }

.container {
  max-width: 1280px;
  margin: 0 auto;
}

.container-sm {
  max-width: 900px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: 48px;
}

.section-header.center { text-align: center; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  background: var(--primary-ultra-light);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.section-label::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
}

.section-title {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  line-height: 1.25;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 560px;
}

.section-header.center .section-desc { margin: 0 auto; }

/* Grid Layouts */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
  background: var(--gray-900);
  color: rgba(255,255,255,0.7);
  padding: 60px 24px 32px;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-brand .brand-name {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.8;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }

.footer-col ul a {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}

.footer-col ul a:hover { color: var(--primary-light); }

.footer-bottom {
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom .copyright {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

.footer-bottom .policy-links {
  display: flex;
  gap: 20px;
}

.footer-bottom .policy-links a {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}

.footer-bottom .policy-links a:hover { color: rgba(255,255,255,0.9); }

/* ============================================================
   EMPTY STATE
   ============================================================ */

.empty-state {
  text-align: center;
  padding: 80px 24px;
}

.empty-state-icon {
  width: 80px;
  height: 80px;
  background: var(--gray-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 32px;
}

.empty-state h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 14px;
  color: var(--text-muted);
}

/* ============================================================
   ALERT / TOAST
   ============================================================ */

.alert {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 20px;
}

.alert-success { background: #EDF7E6; color: #2D6A10; border: 1px solid #B8E0A0; }
.alert-error { background: #FEF0E7; color: #C03A15; border: 1px solid #F9C4A8; }
.alert-info { background: #E3F2FD; color: #1055A8; border: 1px solid #AACDEF; }
.alert-warning { background: #FFF8E1; color: #946F00; border: 1px solid #F0D690; }

/* Toast */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  padding: 14px 20px;
  background: var(--gray-800);
  color: var(--white);
  border-radius: var(--radius-md);
  font-size: 14px;
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 280px;
  animation: slideInRight 0.3s ease;
}

.toast.success { border-left: 4px solid var(--primary); }
.toast.error { border-left: 4px solid #E53E3E; }
.toast.info { border-left: 4px solid #3182CE; }

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(100%); }
  to { opacity: 1; transform: translateX(0); }
}

/* ============================================================
   MODAL
   ============================================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--white);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: scale(0.95) translateY(20px);
  transition: all 0.25s ease;
}

.modal-overlay.open .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: 24px 28px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 20px;
  transition: var(--transition);
  cursor: pointer;
  background: none;
  border: none;
}

.modal-close:hover {
  background: var(--gray-100);
  color: var(--text-primary);
}

.modal-body { padding: 24px 28px; }
.modal-footer {
  padding: 16px 28px 24px;
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

/* ============================================================
   LOADING
   ============================================================ */

.loading-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================================
   UTILITY
   ============================================================ */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-primary { color: var(--primary); }
.text-muted { color: var(--text-muted); }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }

.mt-4 { margin-top: 4px; }
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-4 { margin-bottom: 4px; }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-gap-8 { gap: 8px; }
.flex-gap-12 { gap: 12px; }
.flex-gap-16 { gap: 16px; }
.flex-wrap { flex-wrap: wrap; }

.hidden { display: none !important; }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .gnb, .header-actions .btn-admin-login { display: none; }
  .menu-toggle { display: flex; }

  .section { padding: 48px 16px; }
  .section-lg { padding: 64px 16px; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .page-hero { min-height: 280px; }
  .page-hero-inner { padding: 64px 0 48px; }
  .page-hero-deco { display: none; }
  .page-hero-stats { gap: 0; flex-wrap: wrap; }
  .page-hero-stat { padding: 0 16px 0 0; margin-right: 16px; }
  .page-hero-stat .num { font-size: 20px; }

  .sub-nav-inner { padding: 0 16px; }

  .modal { border-radius: var(--radius-lg); }

  .header-actions { gap: 8px; }
}

@media (max-width: 480px) {
  .section { padding: 40px 16px; }
  .header-inner { padding: 0 16px; height: 64px; }
  .page-hero { padding: 72px 16px 40px; margin-top: 64px; }
  .sub-nav { top: 64px; }
  .mobile-nav { top: 64px; }
}