/* =============================================
   style.css - Freemarketing Column 전역 스타일
   Aesthetic: 에디토리얼 미니멀 / 한국 마케팅 전문가 채널
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+KR:wght@400;600;700&family=DM+Mono:wght@400;500&family=Pretendard:wght@300;400;500;600;700&display=swap');

/* CSS 변수 */
:root {
  --black: #0a0a0a;
  --white: #fafaf8;
  --ink: #1a1a1a;
  --muted: #888;
  --border: #e0ddd8;
  --accent: #c8410a;        /* 번트 오렌지 - 브랜드 포인트 */
  --accent-light: #fdf0eb;
  --surface: #f5f3ef;
  --card-bg: #ffffff;
  --font-serif: 'Noto Serif KR', serif;
  --font-sans: 'Pretendard', -apple-system, sans-serif;
  --font-mono: 'DM Mono', monospace;
  --radius: 4px;
  --shadow: 0 2px 16px rgba(0,0,0,0.07);
  --shadow-hover: 0 8px 32px rgba(0,0,0,0.12);
  --max-w: 1140px;
  --transition: 0.22s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── 레이아웃 ── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ── 사이트 헤더 ── */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}
.site-logo {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
}
.site-logo span { color: var(--ink); }
.header-nav { display: flex; gap: 24px; align-items: center; }
.header-nav a {
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--muted);
  transition: color var(--transition);
  letter-spacing: 0.02em;
}
.header-nav a:hover { color: var(--ink); }
.header-nav .btn-admin {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--muted);
  transition: all var(--transition);
}
.header-nav .btn-admin:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── 히어로 섹션 ── */
.hero {
  padding: 80px 0 60px;
  border-bottom: 1px solid var(--border);
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 16px;
}
.hero-desc {
  font-size: 1rem;
  color: var(--muted);
  max-width: 520px;
  line-height: 1.8;
}

/* ── 카드 그리드 ── */
.posts-section { padding: 56px 0 80px; }

.section-header {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 36px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.section-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.post-count {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--border);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

/* ── 카드 ── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
}
.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
  border-color: #ccc;
}

.card-media { position: relative; aspect-ratio: 16/9; overflow: hidden; background: var(--surface); }
.card-thumb { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.card:hover .card-thumb { transform: scale(1.04); }
.card-thumb--empty {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--border);
  background: var(--surface);
}

.badge {
  position: absolute; top: 12px; left: 12px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border-radius: 2px;
  font-weight: 500;
}
.badge--video { background: var(--accent); color: #fff; }
.badge--text  { background: rgba(255,255,255,0.9); color: var(--ink); border: 1px solid var(--border); }

.card-body { padding: 20px 20px 12px; flex: 1; }
.card-date { font-family: var(--font-mono); font-size: 0.68rem; color: var(--muted); letter-spacing: 0.06em; }
.card-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.45;
  margin: 8px 0 10px;
  color: var(--ink);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-summary {
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.view-count { font-family: var(--font-mono); font-size: 0.68rem; color: var(--muted); }
.read-more  { font-family: var(--font-mono); font-size: 0.68rem; color: var(--accent); letter-spacing: 0.06em; }

/* ── 스켈레톤 ── */
.card--skeleton { pointer-events: none; }
.skeleton-box {
  background: linear-gradient(90deg, var(--surface) 25%, #eee8e0 50%, var(--surface) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  width: 100%; height: 100%;
}
.skeleton-line {
  height: 14px; border-radius: 3px; margin: 10px 0;
  background: linear-gradient(90deg, var(--surface) 25%, #eee8e0 50%, var(--surface) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
}
.w-30 { width: 30%; } .w-60 { width: 60%; } .w-80 { width: 80%; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ── 페이지네이션 ── */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 56px; }
.page-btn {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--ink);
}
.page-btn:hover, .page-btn--active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ── CTA 푸터 배너 ── */
.cta-banner {
  background: var(--ink);
  color: var(--white);
  padding: 64px 0;
  text-align: center;
}
.cta-banner h3 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.cta-banner p { font-size: 0.92rem; color: #aaa; margin-bottom: 32px; }
.btn-cta {
  display: inline-block;
  padding: 14px 36px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  transition: background var(--transition), transform var(--transition);
}
.btn-cta:hover { background: #a8350a; transform: translateY(-2px); }

/* ── 사이트 푸터 ── */
.site-footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  text-align: center;
}
.site-footer p {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}

/* ── 디테일 페이지 ── */
.detail-hero { padding: 60px 0 40px; border-bottom: 1px solid var(--border); }
.detail-breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--muted);
  margin-bottom: 24px;
  letter-spacing: 0.06em;
}
.detail-breadcrumb a { color: var(--accent); }
.detail-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.detail-meta {
  display: flex; gap: 20px; align-items: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
}

.detail-media { margin: 40px 0; }
.detail-media iframe {
  width: 100%; aspect-ratio: 16/9;
  border: none; border-radius: var(--radius);
}
.detail-media img { width: 100%; border-radius: var(--radius); }

.detail-content {
  max-width: 720px;
  font-size: 1rem;
  line-height: 1.9;
  color: #333;
  padding: 40px 0 60px;
}
.detail-content h2 { font-family: var(--font-serif); font-size: 1.4rem; font-weight: 700; margin: 2em 0 0.8em; }
.detail-content h3 { font-family: var(--font-serif); font-size: 1.1rem; font-weight: 600; margin: 1.6em 0 0.6em; }
.detail-content p  { margin-bottom: 1.2em; }
.detail-content strong { color: var(--ink); font-weight: 600; }
.detail-content a  { color: var(--accent); text-decoration: underline; }
.detail-content blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 20px;
  margin: 1.6em 0;
  color: var(--muted);
  font-style: italic;
}

/* ── 관리자 / 로그인 ── */
.admin-wrap { max-width: 760px; margin: 60px auto; padding: 0 24px 80px; }
.admin-header { margin-bottom: 40px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.admin-header h1 { font-family: var(--font-serif); font-size: 1.8rem; font-weight: 700; }
.admin-header p  { font-size: 0.85rem; color: var(--muted); margin-top: 6px; }

.form-group { margin-bottom: 22px; }
.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.form-input, .form-textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  color: var(--ink);
  background: var(--white);
  transition: border-color var(--transition);
  outline: none;
}
.form-input:focus, .form-textarea:focus { border-color: var(--accent); }
.form-textarea { min-height: 280px; resize: vertical; line-height: 1.7; }
.form-hint { font-size: 0.75rem; color: var(--muted); margin-top: 5px; }

.btn { 
  display: inline-block;
  padding: 12px 28px;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.02em;
}
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: #a8350a; transform: translateY(-1px); }
.btn--ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
}
.btn--ghost:hover { border-color: var(--ink); color: var(--ink); }
.btn--danger { background: #dc2626; color: #fff; }
.btn--danger:hover { background: #b91c1c; }

.btn-row { display: flex; gap: 12px; align-items: center; margin-top: 32px; flex-wrap: wrap; }

/* 로그인 페이지 */
.login-wrap {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface);
}
.login-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 40px;
  width: 100%; max-width: 380px;
  box-shadow: var(--shadow);
}
.login-box h1 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.login-error { font-size: 0.82rem; color: #dc2626; margin-top: 10px; min-height: 20px; }

/* 포스트 목록 (어드민) */
.post-list-admin { margin-top: 32px; }
.post-item-admin {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  gap: 16px;
}
.post-item-admin h3 { font-size: 0.92rem; font-weight: 600; }
.post-item-admin time { font-family: var(--font-mono); font-size: 0.68rem; color: var(--muted); }
.post-actions { display: flex; gap: 8px; flex-shrink: 0; }

/* ── 토스트 ── */
.toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 999;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  opacity: 0; transform: translateY(8px);
  transition: opacity 0.25s, transform 0.25s;
}
.toast--show { opacity: 1; transform: translateY(0); }
.toast--info    { background: var(--ink); color: #fff; }
.toast--success { background: #16a34a; color: #fff; }
.toast--error   { background: #dc2626; color: #fff; }

/* ── 빈 상태 ── */
.empty {
  text-align: center;
  padding: 80px 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
}

/* ── 반응형 ── */
@media (max-width: 640px) {
  .hero { padding: 48px 0 40px; }
  .grid { grid-template-columns: 1fr; }
  .detail-meta { flex-wrap: wrap; gap: 10px; }
  .login-box { padding: 36px 24px; }
  .btn-row { flex-direction: column; }
  .btn-row .btn { width: 100%; text-align: center; }
  .post-item-admin { flex-direction: column; align-items: flex-start; }
}