/* ===== 리스트업 공통 스타일 ===== */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --bg: #f4f5fb;
  --card: #ffffff;
  --text: #1e1b4b;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --radius: 12px;
  --shadow: 0 2px 12px rgba(99,102,241,0.08);
  --sidebar-width: 220px;
}

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

body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* ===== 네비게이션 ===== */
.navbar {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 20px rgba(99,102,241,0.3);
}

.navbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.navbar-logo {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  text-decoration: none;
  letter-spacing: -0.5px;
}
.navbar-logo span { opacity: 0.75; font-weight: 400; font-size: 13px; margin-left: 6px; }

.navbar-menu { display: flex; gap: 4px; align-items: center; }
.navbar-menu a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 14px;
  padding: 6px 14px;
  border-radius: 8px;
  transition: all 0.2s;
}
.navbar-menu a:hover, .navbar-menu a.active {
  color: #fff;
  background: rgba(255,255,255,0.18);
}
.navbar-sell-btn {
  background: #fff !important;
  color: var(--primary) !important;
  font-weight: 700 !important;
  margin-left: 8px;
}

/* ===== 페이지 래퍼 ===== */
.page-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 24px;
}

/* ===== PC 2단 레이아웃 (사이드바 + 콘텐츠) ===== */
.layout-with-sidebar {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  position: sticky;
  top: 76px;
}

.sidebar-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}

.sidebar-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.sidebar-game-list { display: flex; flex-direction: column; gap: 4px; }
.sidebar-game-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
}
.sidebar-game-item:hover { background: #f3f4f6; color: var(--text); }
.sidebar-game-item.active { background: rgba(99,102,241,0.1); color: var(--primary); font-weight: 700; }

.content-area { flex: 1; min-width: 0; }

/* ===== 섹션 헤더 ===== */
.content-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.content-title { font-size: 20px; font-weight: 800; }
.content-count { font-size: 14px; color: var(--text-muted); }

/* ===== 필터 바 ===== */
.filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

/* ===== 매물 그리드 ===== */
.listings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* ===== 카드 ===== */
.card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 16px;
  transition: box-shadow 0.2s, transform 0.2s;
  cursor: pointer;
}
.card:hover {
  box-shadow: 0 6px 24px rgba(99,102,241,0.15);
  transform: translateY(-2px);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.card-game {
  font-size: 12px;
  color: var(--primary);
  font-weight: 600;
  background: rgba(99,102,241,0.08);
  padding: 3px 8px;
  border-radius: 999px;
}

.card-price {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  text-align: right;
}
.card-price small { font-size: 13px; font-weight: 500; color: var(--text-muted); }
.card-discount { font-size: 12px; color: #10b981; font-weight: 600; }

.card-characters {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 10px;
}

.char-badge {
  display: flex;
  align-items: center;
  gap: 4px;
  background: #f3f4f6;
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 12px;
  font-weight: 500;
}
.char-badge img { width: 20px; height: 20px; border-radius: 50%; object-fit: cover; }
.tier-s { background: #fef3c7; color: #92400e; }
.tier-a { background: #ede9fe; color: #5b21b6; }

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 10px;
  margin-top: 10px;
}
.trust-score { color: #10b981; font-weight: 600; }

/* ===== 메인 페이지 히어로 ===== */
.hero {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: #fff;
  padding: 56px 24px;
  text-align: center;
}
.hero h1 { font-size: 36px; font-weight: 900; margin-bottom: 12px; line-height: 1.2; }
.hero p { font-size: 16px; opacity: 0.85; margin-bottom: 32px; }
.hero-stats { display: flex; justify-content: center; gap: 48px; }
.hero-stat strong { display: block; font-size: 28px; font-weight: 900; }
.hero-stat span { font-size: 13px; opacity: 0.75; }

/* ===== 메인 게임 그리드 ===== */
.game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 36px;
}

.game-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow);
  transition: all 0.2s;
  text-align: center;
}
.game-card:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(99,102,241,0.18); }
.game-card .game-emoji { font-size: 36px; }
.game-card .game-name { font-size: 15px; font-weight: 700; }
.game-card .game-count { font-size: 13px; color: var(--text-muted); }
.game-card .game-arrow { font-size: 12px; color: var(--primary); font-weight: 600; }

/* ===== 버튼 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition: all 0.2s;
  font-family: inherit;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { background: transparent; border: 1.5px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-full { width: 100%; }

/* ===== FAB ===== */
.fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(99,102,241,0.45);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.2s;
  z-index: 50;
}
.fab:hover { transform: translateY(-3px); }

/* ===== 폼 ===== */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-size: 15px;
  color: var(--text);
  background: var(--card);
  transition: border-color 0.2s;
  font-family: inherit;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.form-textarea { resize: vertical; min-height: 100px; }

/* ===== 로딩 / 빈 상태 ===== */
.loading { text-align: center; padding: 40px; color: var(--text-muted); }
.empty { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.empty .empty-icon { font-size: 48px; margin-bottom: 12px; }

/* ===== 모바일 (768px 이하) ===== */
@media (max-width: 768px) {
  .hero h1 { font-size: 24px; }
  .hero-stats { gap: 28px; }
  .game-grid { grid-template-columns: 1fr 1fr; }
  .layout-with-sidebar { flex-direction: column; }
  .sidebar { width: 100%; position: static; }
  .sidebar-game-list { flex-direction: row; flex-wrap: wrap; gap: 6px; }
  .sidebar-game-item { padding: 6px 12px; border: 1px solid var(--border); border-radius: 999px; }
  .listings-grid { grid-template-columns: 1fr; }
  .fab { bottom: 16px; right: 16px; padding: 12px 18px; font-size: 14px; }
}