/* Soft UX & Flat Light Design System */
:root {
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-logo: 'Outfit', sans-serif;
  
  /* Color Palette - Flat Soft Light Mode */
  --bg-app: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-hover: #f1f5f9;
  --border-color: #e2e8f0;
  --border-color-glow: #cbd5e1;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --color-primary: #4f46e5;
  --color-primary-glow: #eeebff;
  --color-success: #10b981;
  --color-success-glow: #e6fbf4;
  --color-warning: #d97706;
  --color-warning-glow: #fef3c7;
  --color-error: #dc2626;
  --color-error-glow: #fee2e2;
  
  --shadow-sm: none;
  --shadow-md: none;
  --shadow-lg: none;
  
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
}

/* Reset & Global */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-app);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
}

/* App Container */
.app-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-family: var(--font-logo);
  font-size: 1.4rem;
}

.logo-text {
  font-family: var(--font-logo);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-primary);
}

.logo-text span {
  color: var(--color-primary);
  font-weight: 500;
}

.store-badge {
  background: var(--color-primary-glow);
  color: var(--color-primary);
  border: 1px solid rgba(79, 70, 229, 0.2);
  padding: 0.35rem 0.85rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #d97706;
  display: inline-block;
}

.status-indicator.connected .status-dot {
  background-color: var(--color-success);
}

.status-indicator.error .status-dot {
  background-color: var(--color-error);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-secondary);
}

.btn:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}

.btn-refresh {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  font-weight: 600;
}

.btn-refresh:hover {
  background: #4338ca;
  border-color: #4338ca;
}

/* Alerts */
.alert {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
}

.alert-error {
  background: var(--color-error-glow);
  border: 1px solid rgba(220, 38, 38, 0.2);
  color: #991b1b;
}

.alert-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.alert-content h4 {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.alert-content p {
  font-size: 0.9rem;
  color: rgba(153, 27, 27, 0.85);
}

.hidden {
  display: none !important;
}

/* Stats Cards Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.stat-card {
  position: relative;
  overflow: hidden;
  padding: 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.stat-card:hover {
  border-color: var(--border-color-glow);
}

.card-bg-gradient {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: transparent;
}

.gross .card-bg-gradient { background: #3b82f6; }
.fees .card-bg-gradient { background: #f59e0b; }
.refunds .card-bg-gradient { background: #ef4444; }
.net .card-bg-gradient { background: #10b981; }

.stat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.stat-title {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

.stat-icon-wrapper {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg-app);
  border: 1px solid var(--border-color);
}

.gross .stat-icon-wrapper { color: #2563eb; }
.fees .stat-icon-wrapper { color: #d97706; }
.refunds .stat-icon-wrapper { color: #dc2626; }
.net .stat-icon-wrapper { color: #059669; }

.stat-value {
  font-family: var(--font-logo);
  font-size: 2.1rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 0.2rem;
  color: var(--text-primary);
}

.stat-subvalue {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.stat-footer {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.trend {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }
.text-success { color: var(--color-success); }
.text-muted { color: var(--text-muted); }

/* Navigation Tabs */
.tab-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
  margin-top: 2rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.tabs {
  display: flex;
  gap: 1.25rem;
}

.tab-btn {
  background: transparent;
  border: 1px solid transparent; /* fixed overlapping sizes */
  color: var(--text-secondary);
  padding: 0.6rem 1.5rem;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

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

.tab-btn.active {
  color: var(--color-primary);
  background: var(--color-primary-glow);
  border: 1px solid rgba(79, 70, 229, 0.2);
}

.search-input {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.9rem;
  min-width: 260px;
  transition: all 0.15s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: #ffffff;
}

/* Content Panel */
.content-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Table Design */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.data-table th {
  padding: 1rem;
  color: var(--text-secondary);
  font-weight: 600;
  border-bottom: 1.5px solid var(--border-color);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.75px;
}

.data-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
  color: var(--text-primary);
}

.data-table tbody tr {
  transition: background-color 0.15s ease;
  cursor: pointer;
}

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

.loading-row {
  text-align: center;
  padding: 3rem !important;
  color: var(--text-secondary);
  font-style: italic;
}

/* Badges for status and types */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-success { background: var(--color-success-glow); color: var(--color-success); }
.badge-warning { background: var(--color-warning-glow); color: var(--color-warning); }
.badge-danger { background: var(--color-error-glow); color: var(--color-error); }
.badge-info { background: var(--color-primary-glow); color: var(--color-primary); }

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-app);
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal {
  background: #ffffff;
  border: 1px solid var(--border-color);
  width: 90%;
  max-width: 550px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-family: var(--font-logo);
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.75rem;
  cursor: pointer;
}

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

.modal-body {
  padding: 1.5rem;
}

/* Detail UI elements */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.detail-item {
  display: flex;
  flex-direction: column;
}

.detail-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.detail-val {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
}

.detail-item.full-width {
  grid-column: span 2;
}

.detail-divider {
  grid-column: span 2;
  height: 1px;
  background: var(--border-color);
  margin: 0.5rem 0;
}

/* Footer info */
.app-footer-info {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.8rem;
  margin-top: 1rem;
}

/* Mobile Responsiveness */
@media(max-width: 768px) {
  .app-container {
    padding: 1rem;
  }
  .app-header {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }
  .header-right {
    justify-content: space-between;
  }
  .tab-container {
    flex-direction: column;
    align-items: stretch;
  }
  .search-input {
    width: 100%;
  }
  .detail-grid {
    grid-template-columns: 1fr;
  }
  .detail-item.full-width {
    grid-column: span 1;
  }
  .detail-divider {
    grid-column: span 1;
  }
}

/* Login Page Styling */
.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background-color: var(--bg-app);
  padding: 1.5rem;
}

.login-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  max-width: 400px;
  width: 100%;
  text-align: center;
}

.login-logo {
  margin-bottom: 1.5rem;
}

.login-box h3 {
  font-family: var(--font-logo);
  font-size: 1.55rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.login-box p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
}

.login-box input[type="password"] {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.95rem;
  transition: border-color 0.15s ease;
}

.login-box input[type="password"]:focus {
  outline: none;
  border-color: var(--color-primary);
}

.login-error {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--color-error);
  font-weight: 500;
}

/* Pagination Styling */
.pagination-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.pagination-info {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.btn-pagination {
  padding: 0.4rem 1rem;
  font-size: 0.85rem;
}

.btn-pagination:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  background: var(--bg-surface-hover);
  color: var(--text-muted);
  border-color: var(--border-color);
}

/* Skeleton Loading Animation */
@keyframes skeleton-pulse {
  0% {
    background-color: var(--bg-surface-hover);
    opacity: 0.6;
  }
  100% {
    background-color: var(--border-color);
    opacity: 1;
  }
}

.skeleton-loading {
  animation: skeleton-pulse 1.2s infinite alternate ease-in-out;
  border-radius: var(--radius-sm);
  color: transparent !important;
  pointer-events: none;
}

.skeleton-text {
  width: 130px;
  height: 2.1rem;
  display: inline-block;
}

.skeleton-subtext {
  width: 100px;
  height: 1.1rem;
  display: inline-block;
  margin-top: 0.25rem;
}

/* Pagination Number Styles */
.pagination-btn-num {
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  min-width: 32px;
  text-align: center;
  font-weight: 500;
  transition: all 0.15s ease;
}

.pagination-btn-num:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}

.pagination-btn-num.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  font-weight: 600;
}

.pagination-ellipsis {
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 0 0.25rem;
  cursor: default;
}