:root {
  --bg-body: #07090e;
  --bg-sidebar: #0b0f19;
  --bg-card: rgba(17, 24, 39, 0.85);
  --bg-card-hover: rgba(31, 41, 55, 0.9);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(0, 229, 255, 0.4);
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --primary: #00e5ff;
  --primary-glow: rgba(0, 229, 255, 0.25);
  --accent-purple: #8b5cf6;
  --accent-green: #10b981;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;
  --transition: all 0.25s ease-in-out;
}

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

body {
  font-family: 'Cairo', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-body);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
}

/* Sidebar Styling */
.sidebar {
  width: 270px;
  background-color: var(--bg-sidebar);
  border-left: 1px solid var(--border-color);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  transition: var(--transition);
}

.sidebar-brand {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #07090e;
  font-size: 20px;
  font-weight: 900;
  box-shadow: 0 0 15px var(--primary-glow);
}

.brand-title {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: #ffffff;
}

.brand-badge {
  font-size: 11px;
  background: rgba(0, 229, 255, 0.15);
  color: var(--primary);
  padding: 2px 8px;
  border-radius: 12px;
  border: 1px solid rgba(0, 229, 255, 0.3);
}

.sidebar-menu {
  list-style: none;
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex-grow: 1;
}

.sidebar-menu a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  transition: var(--transition);
}

.sidebar-menu a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
  transform: translateX(-4px);
}

.sidebar-menu a.active {
  color: var(--primary);
  background: rgba(0, 229, 255, 0.1);
  border-right: 3px solid var(--primary);
  font-weight: 700;
}

.sidebar-menu a i {
  font-size: 18px;
  width: 24px;
  text-align: center;
}

.sidebar-footer {
  padding: 20px;
  border-top: 1px solid var(--border-color);
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
}

/* Main Content Area */
.main-wrapper {
  margin-right: 270px;
  flex-grow: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: radial-gradient(circle at 10% 10%, rgba(139, 92, 246, 0.05) 0%, transparent 40%),
              radial-gradient(circle at 90% 90%, rgba(0, 229, 255, 0.05) 0%, transparent 40%),
              var(--bg-body);
}

.topbar {
  height: 70px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 30px;
  background: rgba(11, 15, 25, 0.7);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 900;
}

.page-header-title {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 15px;
}

.server-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  color: var(--accent-green);
  font-weight: 600;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Page Container */
.content-body {
  padding: 30px;
  flex-grow: 1;
}

/* Stats Cards Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(12px);
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.stat-info h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.stat-info .stat-number {
  font-size: 28px;
  font-weight: 900;
  color: #fff;
}

.stat-icon {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.stat-icon.cyan { background: rgba(0, 229, 255, 0.12); color: var(--primary); border: 1px solid rgba(0, 229, 255, 0.25); }
.stat-icon.green { background: rgba(16, 185, 129, 0.12); color: var(--accent-green); border: 1px solid rgba(16, 185, 129, 0.25); }
.stat-icon.amber { background: rgba(245, 158, 11, 0.12); color: var(--accent-amber); border: 1px solid rgba(245, 158, 11, 0.25); }
.stat-icon.purple { background: rgba(139, 92, 246, 0.12); color: var(--accent-purple); border: 1px solid rgba(139, 92, 246, 0.25); }

/* Card Components */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: 24px;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.card-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-body {
  padding: 24px;
}

/* Custom Table Styles */
.table-responsive {
  overflow-x: auto;
}

.custom-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  color: var(--text-main);
  font-size: 14px;
}

.custom-table th {
  background: rgba(255, 255, 255, 0.03);
  padding: 14px 16px;
  text-align: right;
  font-weight: 700;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.custom-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.custom-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Badges */
.badge {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.badge-success { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-danger { background: rgba(239, 68, 68, 0.15); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-warning { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-info { background: rgba(0, 229, 255, 0.15); color: var(--primary); border: 1px solid rgba(0, 229, 255, 0.3); }
.badge-purple { background: rgba(139, 92, 246, 0.15); color: #c084fc; border: 1px solid rgba(139, 92, 246, 0.3); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  transition: var(--transition);
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, #00b4d8, #0077b6);
  color: #fff;
  border-color: rgba(0, 229, 255, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #00e5ff, #0096c7);
  box-shadow: 0 0 15px var(--primary-glow);
}

.btn-success {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.4);
}
.btn-success:hover { background: rgba(16, 185, 129, 0.35); }

.btn-danger {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.4);
}
.btn-danger:hover { background: rgba(239, 68, 68, 0.35); }

.btn-warning {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
  border-color: rgba(245, 158, 11, 0.4);
}
.btn-warning:hover { background: rgba(245, 158, 11, 0.35); }

.btn-outline {
  background: transparent;
  border-color: var(--border-color);
  color: var(--text-muted);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
  border-radius: 6px;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background: #0f1422;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  width: 100%;
  max-width: 550px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  animation: modalScale 0.2s ease-out;
}

@keyframes modalScale {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
}
.modal-close:hover { color: #fff; }

.modal-body {
  padding: 24px;
}

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

/* Forms */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: #fff;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 10px var(--primary-glow);
  background: rgba(255, 255, 255, 0.07);
}

/* Toast Alerts */
.toast-container {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: #111827;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 14px 20px;
  color: #fff;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.4);
  min-width: 280px;
  animation: slideIn 0.3s ease;
}

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

.toast.success { border-right: 4px solid var(--accent-green); }
.toast.error { border-right: 4px solid var(--accent-red); }
.toast.info { border-right: 4px solid var(--primary); }

@media (max-width: 992px) {
  .sidebar {
    transform: translateX(100%);
  }
  .sidebar.show {
    transform: translateX(0);
  }
  .main-wrapper {
    margin-right: 0;
  }
}