/* ═══════════════════════════════════════
   SmartNet Admin Panel Stylesheet
   ═══════════════════════════════════════ */
:root {
  --primary: #FF6B35;
  --primary-dark: #e05520;
  --primary-light: #fff1eb;
  --dark: #2D1A0E;
  --text: #3D2010;
  --text-light: #8a6a5a;
  --border: #F0DDD6;
  --bg: #FDF6F3;
  --white: #ffffff;
  --success: #36B37E;
  --danger: #FF5630;
  --radius: 8px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Noto Sans KR', 'Inter', sans-serif; color: var(--text); background: var(--bg); }
a { color: var(--primary); text-decoration: none; }

/* Login */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(135deg, #FF6B35 0%, #c94b1a 100%); }
.login-box { background: var(--white); padding: 48px; border-radius: 16px; width: 100%; max-width: 400px; box-shadow: 0 20px 60px rgba(0,0,0,0.2); }
.login-header { text-align: center; margin-bottom: 32px; }
.login-header h1 { font-size: 1.8rem; color: #c94b1a; font-family: 'Inter', sans-serif; }
.login-header h1 span { color: #FF6B35; }
.login-header p { color: var(--text-light); margin-top: 8px; }

/* Alert */
.alert { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 20px; font-size: 0.9rem; display: flex; align-items: center; gap: 8px; }
.alert-error { background: #ffebe6; color: #bf2600; }

/* Form */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; font-size: 0.85rem; color: var(--dark); margin-bottom: 6px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 10px 14px; border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 0.9rem; font-family: inherit;
  outline: none; transition: all 0.2s;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }
.full-width { width: 100%; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 20px; border-radius: var(--radius);
  font-weight: 600; font-size: 0.9rem; border: none;
  cursor: pointer; transition: all 0.2s; text-decoration: none;
}
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); color: var(--white); }
.btn-outline { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-danger { background: var(--danger); color: var(--white); }
.btn-danger:hover { background: #de350b; color: var(--white); }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-block { width: 100%; justify-content: center; }

/* 공통 테이블 수정/삭제 버튼 */
.btn-row-edit {
  display: inline-flex; align-items: center; gap: 4px;
  background: none; border: 1px solid #93c5fd; color: #3b82f6;
  border-radius: 5px; padding: 4px 12px; cursor: pointer;
  font-size: 0.82rem; font-weight: 500; transition: background 0.15s;
}
.btn-row-edit:hover { background: #eff6ff; }
.btn-row-del {
  display: inline-flex; align-items: center; gap: 4px;
  background: none; border: 1px solid #fca5a5; color: #ef4444;
  border-radius: 5px; padding: 4px 12px; cursor: pointer;
  font-size: 0.82rem; font-weight: 500; transition: background 0.15s;
}
.btn-row-del:hover { background: #fef2f2; }

/* Admin Layout */
.admin-body { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 250px; background: linear-gradient(180deg, #C94B18 0%, #A83C10 100%); color: var(--white);
  flex-shrink: 0; position: fixed; top: 0; bottom: 0; left: 0;
  overflow-y: auto; z-index: 100;
}
.sidebar-header { padding: 24px; border-bottom: 1px solid rgba(255,255,255,0.15); }
.sidebar-header h2 { font-size: 1.3rem; font-family: 'Inter', sans-serif; color: #fff; }
.sidebar-header h2 span { color: #FFD166; }
.sidebar-header small { color: rgba(255,255,255,0.6); font-size: 0.75rem; }
.sidebar-nav { padding: 16px 0; }
.sidebar-nav .nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 24px; color: rgba(255,255,255,0.8);
  font-size: 0.9rem; transition: all 0.2s;
}
.sidebar-nav .nav-item:hover { background: rgba(255,255,255,0.15); color: var(--white); }
.sidebar-nav .nav-item i { width: 20px; text-align: center; }
.sidebar-nav hr { border: none; border-top: 1px solid rgba(255,255,255,0.15); margin: 8px 0; }

.admin-main { flex: 1; margin-left: 250px; }
.admin-header {
  background: var(--white); border-bottom: 2px solid var(--primary);
  padding: 16px 32px; display: flex; align-items: center; gap: 16px;
  position: sticky; top: 0; z-index: 50;
}
.admin-header h3 { flex: 1; font-size: 1.1rem; }
.admin-user { color: var(--text-light); font-size: 0.85rem; }
.sidebar-toggle { display: none; background: none; border: none; font-size: 1.2rem; cursor: pointer; color: var(--text); }
.admin-content { padding: 32px; }

/* Dashboard */
.dashboard-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 32px; }
.stat-card {
  background: var(--white); border-radius: var(--radius);
  padding: 24px; display: flex; align-items: center; gap: 16px;
  border: 1px solid var(--border);
}
.stat-card .stat-icon { width: 48px; height: 48px; border-radius: 12px; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; }
.stat-card .stat-info h4 { font-size: 1.8rem; color: var(--dark); }
.stat-card .stat-info p { font-size: 0.85rem; color: var(--text-light); }
.alert-card .stat-icon { background: #ffebe6; color: var(--danger); }

.quick-links { background: var(--white); border-radius: var(--radius); padding: 24px; border: 1px solid var(--border); }
.quick-links h3 { margin-bottom: 16px; font-size: 1rem; }
.quick-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.quick-link {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px; background: var(--bg);
  border-radius: var(--radius); font-size: 0.85rem; font-weight: 500;
  color: var(--text); transition: all 0.2s;
}
.quick-link:hover { background: var(--primary-light); color: var(--primary); }

/* Tables */
.admin-table { width: 100%; background: var(--white); border-radius: var(--radius); border: 1px solid var(--border); border-collapse: collapse; }
.admin-table th, .admin-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
.admin-table th { background: var(--bg); font-weight: 600; color: var(--dark); font-size: 0.85rem; }
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr.unread { background: var(--primary-light); }
.admin-table code { background: var(--bg); padding: 2px 8px; border-radius: 4px; font-size: 0.8rem; }

/* Badges */
.badge { padding: 4px 10px; border-radius: 4px; font-size: 0.75rem; font-weight: 600; }
.badge-success { background: #e3fcef; color: #006644; }
.badge-muted { background: var(--bg); color: var(--text-light); }
.badge-primary { background: var(--primary-light); color: var(--primary); }

/* Admin Form */
.admin-form { max-width: 900px; }
.admin-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.admin-form .form-group { margin-bottom: 16px; }
.form-actions { display: flex; gap: 12px; margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--border); }
.admin-toolbar { margin-bottom: 20px; }
.checkbox-label { display: flex; align-items: center; gap: 8px; cursor: pointer; font-weight: normal; }
.checkbox-label input { width: auto; }

/* Detail Card */
.detail-card { background: var(--white); border-radius: var(--radius); padding: 32px; border: 1px solid var(--border); }
.detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.detail-card hr { border: none; border-top: 1px solid var(--border); margin: 20px 0; }
.message-box { padding: 20px; background: var(--bg); border-radius: var(--radius); line-height: 1.8; white-space: pre-wrap; }

/* Responsive */
@media (max-width: 768px) {
  .admin-sidebar { transform: translateX(-100%); transition: transform 0.3s; }
  .admin-sidebar.open { transform: translateX(0); }
  .admin-main { margin-left: 0; }
  .sidebar-toggle { display: block; }
  .admin-content { padding: 16px; }
  .dashboard-stats { grid-template-columns: repeat(2, 1fr); }
  .quick-grid { grid-template-columns: repeat(2, 1fr); }
  .admin-form .form-row { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
}