:root {
  --bg-primary: #0f172a;
  --bg-card: rgba(30, 41, 59, 0.85);
  --bg-card-hover: #1e293b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --border-color: rgba(255, 255, 255, 0.1);
  --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
  --radius: 16px;
  --font-family: 'Cairo', 'Outfit', sans-serif;
}

body.light-mode {
  --bg-primary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: rgba(0, 0, 0, 0.08);
  --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* TOP NAVBAR */
.top-nav {
  height: 70px;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 20px;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.brand-text h1 {
  font-size: 18px;
  font-weight: 700;
}

.brand-text .sub-title {
  font-size: 11px;
  color: var(--text-muted);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-icon {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 13px;
}

.btn-icon:hover {
  background: var(--primary);
  color: white;
}

/* LAYOUT */
.main-layout {
  display: flex;
  flex: 1;
}

/* SIDEBAR */
.sidebar {
  width: 240px;
  background: var(--bg-card);
  border-left: 1px solid var(--border-color);
  padding: 24px 16px;
}

[dir="ltr"] .sidebar {
  border-left: none;
  border-right: 1px solid var(--border-color);
}

.sidebar-menu {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 12px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-align: right;
  width: 100%;
}

[dir="ltr"] .menu-item {
  text-align: left;
}

.menu-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
}

.menu-item.active {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
}

/* CONTENT AREA */
.content-area {
  flex: 1;
  padding: 28px;
  overflow-y: auto;
}

/* STATS GRID */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 20px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow);
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.stat-card.blue .stat-icon { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.stat-card.green .stat-icon { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.stat-card.red .stat-icon { background: rgba(239, 68, 68, 0.15); color: #ef4444; }
.stat-card.gold .stat-icon { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }

.stat-info .stat-label {
  font-size: 12px;
  color: var(--text-muted);
}

.stat-info h3 {
  font-size: 22px;
  font-weight: 800;
  margin-top: 2px;
}

/* PAGE SECTIONS */
.page-section {
  display: none;
}

.page-section.active {
  display: block;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.section-header h2 {
  font-size: 20px;
  font-weight: 800;
}

.section-header p {
  font-size: 13px;
  color: var(--text-muted);
}

/* BUTTONS */
.btn {
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn.primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
}

.btn.primary:hover {
  background: var(--primary-hover);
}

.btn.secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn.secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

.btn.danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn.danger:hover {
  background: var(--danger);
  color: white;
}

/* CARDS & TABLES */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.table-toolbar {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-color);
  padding: 8px 14px;
  border-radius: 10px;
  width: 320px;
}

.search-box input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  width: 100%;
  font-size: 13px;
}

.custom-select, .custom-input {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 10px 14px;
  border-radius: 10px;
  outline: none;
  font-size: 13px;
  width: 100%;
}

.custom-select option {
  background: var(--bg-primary);
  color: var(--text-main);
}

.table-responsive {
  overflow-x: auto;
}

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

[dir="ltr"] .custom-table {
  text-align: left;
}

.custom-table th {
  background: rgba(0, 0, 0, 0.2);
  padding: 14px 18px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}

.custom-table td {
  padding: 16px 18px;
  font-size: 13px;
  border-bottom: 1px solid var(--border-color);
}

.custom-table tr:hover {
  background: var(--bg-card-hover);
}

/* BADGES & SWITCHES */
.badge {
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.badge.active {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge.inactive {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* SWITCH SLIDER */
.switch-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
}

.switch-label input {
  display: none;
}

.slider {
  width: 44px;
  height: 24px;
  background-color: rgba(239, 68, 68, 0.3);
  border-radius: 30px;
  position: relative;
  transition: 0.3s ease;
  border: 1px solid rgba(239, 68, 68, 0.5);
  flex-shrink: 0;
}

.slider:before {
  content: "";
  position: absolute;
  height: 18px;
  width: 18px;
  left: 2px;
  top: 2px;
  background-color: white;
  border-radius: 50%;
  transition: transform 0.3s ease;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

input:checked + .slider {
  background-color: var(--success);
  border-color: var(--success);
}

input:checked + .slider:before {
  transform: translateX(20px);
}

/* MODAL */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  width: 500px;
  max-width: 90%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.close-modal {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 24px;
}

.config-card {
  padding: 24px;
}

.config-row {
  margin-bottom: 16px;
}

.config-row .label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 6px;
}