@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700&display=swap');

:root {
  --bg-primary: #f8fafc;      /* Light gray background */
  --bg-secondary: #ffffff;    /* White cards/header */
  --bg-tertiary: #f1f5f9;     /* Light slate highlight */
  --accent-color: #3b82f6;    /* Vibrant blue */
  --accent-hover: #2563eb;
  --accent-glow: rgba(59, 130, 246, 0.1);
  --success-color: #10b981;
  --success-hover: #059669;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  --text-primary: #0f172a;    /* Dark slate 900 */
  --text-secondary: #475569;  /* Slate 600 */
  --text-muted: #94a3b8;      /* Slate 400 */
  --border-color: #e2e8f0;    /* Slate 200 */
  --border-focus: rgba(59, 130, 246, 0.5);
  --glass-bg: #ffffff;
  --glass-border: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: 'Outfit', sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  overflow-x: auto;
  min-width: 1440px;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Layout & Top Header */
.layout-container {
  display: flex;
  flex-direction: column;
  width: 100%;
  min-width: 1440px;
  min-height: 100vh;
}

.top-header {
  width: 100%;
  height: 56px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  max-width: 1560px;
  height: 100%;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 40px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent-color), #60a5fa);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: var(--font-display);
  color: #fff;
  font-size: 1.2rem;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  font-family: var(--font-display);
  background: linear-gradient(to right, var(--text-primary), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

.header-nav {
  display: flex;
  gap: 8px;
}

.nav-tab {
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.nav-tab:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.nav-tab.active {
  background-color: var(--accent-glow);
  color: var(--accent-color);
  font-weight: 600;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.user-info-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background-color: var(--bg-tertiary);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.role-lbl {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-color);
  background-color: rgba(59, 130, 246, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
}

/* Main Content */
.main-content {
  flex-grow: 1;
  width: 100%;
  background-color: var(--bg-primary);
}

.content-container {
  max-width: 1560px;
  margin: 14px auto 40px auto;
  padding: 0 20px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.page-title {
  font-size: 1.75rem;
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: -0.5px;
}

.page-actions {
  display: flex;
  gap: 12px;
}

/* Dashboard Grid/Cards */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.stat-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: #cbd5e1;
  box-shadow: var(--shadow-md);
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-color), transparent);
}

.stat-card.success::after {
  background: linear-gradient(90deg, var(--success-color), transparent);
}

.stat-card.warning::after {
  background: linear-gradient(90deg, var(--warning-color), transparent);
}

.stat-card.purple::after {
  background: linear-gradient(90deg, #9333ea, transparent);
}

.stat-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--text-primary);
}

/* Glass Card styling */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--shadow-md);
}

/* Table Design */
.table-container {
  width: 100%;
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.custom-table th {
  background-color: var(--bg-tertiary);
  padding: 16px 20px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.custom-table td {
  padding: 16px 20px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

.custom-table tbody tr {
  transition: background-color 0.15s ease;
}

.custom-table tbody tr:hover {
  background-color: var(--bg-primary);
}

.custom-table tbody tr:last-child td {
  border-bottom: none;
}

/* Badge States (피그마 밝은 톤 반영) */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2px;
  white-space: nowrap;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: default;
}

.badge:hover {
  transform: translateY(-2px);
}

.badge.primary {
  background-color: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1e40af;
}
.badge.primary:hover {
  border-color: #3b82f6;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}

.badge.success {
  background-color: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
}
.badge.success:hover {
  border-color: #10b981;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.15);
}

.badge.warning {
  background-color: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
}
.badge.warning:hover {
  border-color: #f59e0b;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.15);
}

.badge.danger {
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}
.badge.danger:hover {
  border-color: #ef4444;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.15);
}

.badge.secondary {
  background-color: #f1f5f9;
  border: 1px solid #e2e8f0;
  color: #475569;
}
.badge.secondary:hover {
  border-color: #94a3b8;
  box-shadow: 0 4px 12px rgba(148, 163, 184, 0.15);
}

/* Form inputs & controls */
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-control {
  background-color: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: all 0.2s ease;
  width: 100%;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

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

.form-control:disabled {
  background-color: var(--bg-tertiary);
  color: var(--text-muted);
  cursor: not-allowed;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: var(--accent-color);
  color: #fff;
}
.btn-primary:hover {
  background-color: var(--accent-hover);
}

.btn-success {
  background-color: var(--success-color);
  color: #fff;
}
.btn-success:hover {
  background-color: var(--success-hover);
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--text-primary);
  border: 1px solid #cbd5e1;
}
.btn-secondary:hover {
  background-color: var(--bg-tertiary);
}

.btn-danger {
  background-color: var(--danger-color);
  color: #fff;
}
.btn-danger:hover {
  background-color: #dc2626;
}

.btn-sm {
  padding: 8px 12px;
  font-size: 0.8rem;
  border-radius: 6px;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
}

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

.modal-container {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  width: 90%;
  max-width: 500px;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: transform 0.25s ease;
  overflow: hidden;
}

.modal-overlay.active .modal-container {
  transform: translateY(0);
}

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

.modal-title {
  font-size: 1.15rem;
  font-weight: 600;
  font-family: var(--font-display);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 24px;
}

.page-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.15s ease;
}

.page-link:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.page-link.active {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  color: #fff;
  font-weight: 600;
}

.page-link.disabled {
  color: var(--text-muted);
  pointer-events: none;
  opacity: 0.5;
}

/* Login Page Styling */
.login-container {
  width: 100vw;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
}

.login-card {
  width: 100%;
  max-width: 440px;
  padding: 48px 40px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  animation: slideIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.login-header {
  text-align: center;
  margin-bottom: 40px;
}

.login-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.login-title {
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}

.login-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Alerts */
.alert-message {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.alert-danger {
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

.alert-success {
  background-color: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
}

/* Stat card icons alignment */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.stat-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: #cbd5e1;
  box-shadow: var(--shadow-md);
}

.stat-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.stat-card-icon.blue {
  background-color: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1e40af;
}
.stat-card-icon.green {
  background-color: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
}
.stat-card-icon.red {
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}
.stat-card-icon.purple {
  background-color: #faf5ff;
  border: 1px solid #e9d5ff;
  color: #9333ea;
}

/* Skeleton Shimmer Loading (로딩 스켈레톤 애니메이션) */
.skeleton-row td {
  padding: 16px 12px !important;
}
.skeleton-block {
  height: 16px;
  background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite linear;
  border-radius: 4px;
  width: 80%;
  margin: 0 auto;
}
.skeleton-block.short { width: 40%; }
.skeleton-block.medium { width: 60%; }
.skeleton-block.full { width: 100%; }

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}