/* ===== shared.css — 코스트리 전역 공통 스타일 ===== */

/* --- CSS 변수 --- */
:root {
  --primary: #2E7D32;
  --primary-dark: #1B5E20;
  --primary-light: #81C784;
  --bg: #FAFAF7;
  --dark: #1A1A1A;
  --muted: #888;
  --border: #e8e4df;
}

/* --- 리셋 & 기본 --- */
*, *::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;
  font-size: 14px;
  color: #333;
  background: #fff;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; padding: 0; margin: 0; }

/* --- 공통 유틸리티 --- */
.container-main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  padding: 10px 24px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  color: var(--primary);
  padding: 10px 24px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  border: 2px solid var(--primary);
  cursor: pointer;
  transition: all 0.2s;
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

/* ===== 서브페이지 히어로 배너 ===== */
.subpage-hero {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 48px 0;
  color: #fff;
}
.hero-breadcrumb {
  font-size: 13px;
  opacity: 0.8;
  margin-bottom: 8px;
}
.hero-page-title {
  font-size: 32px;
  font-weight: 800;
}

/* ===== 서브페이지 레이아웃 ===== */
.subpage-main {
  padding: 48px 0 80px;
  background: var(--bg);
}
.subpage-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 32px;
}

/* 사이드바 */
.sidebar-nav {
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  position: sticky;
  top: 100px;
}
.sidebar-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 2px solid var(--primary);
}
.sidebar-menu li { margin-bottom: 2px; }
.sidebar-menu li a {
  display: block;
  padding: 10px 12px;
  font-size: 14px;
  color: #555;
  border-radius: 6px;
  transition: all 0.2s;
}
.sidebar-menu li a:hover {
  background: #E8F5E9;
  color: var(--primary);
}
.sidebar-menu li a.active {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
}

/* 콘텐츠 영역 */
.content-area {
  background: #fff;
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

/* ===== 반응형 (서브페이지 레이아웃) ===== */
@media (max-width: 768px) {
  .subpage-layout {
    grid-template-columns: 1fr;
  }
  .sidebar-nav {
    position: static;
  }
  .hero-page-title { font-size: 24px; }
}