/* ===== Dashboard & Sidebar Premium Styles ===== */
.app-wrapper {
  display: flex;
  min-height: 100vh;
}

/* Sidebar Navigation */
.sidebar {
  width: 270px;
  background: var(--sidebar-bg);
  color: #94a3b8;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  transition: var(--transition);
  z-index: 1040;
  display: flex;
  flex-direction: column;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
}

/* Sidebar Custom Scrollbar */
.sidebar::-webkit-scrollbar {
  width: 5px;
}

.sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 10px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: var(--primary-light);
}

.sidebar-brand {
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  gap: 12px;
  color: #ffffff;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.sidebar-brand i {
  color: var(--primary-light);
  font-size: 1.6rem;
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sidebar-menu {
  list-style: none;
  padding: 16px 12px;
  margin: 0;
  flex: 1;
}

.sidebar-menu .menu-title {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  color: #475569;
  padding: 16px 14px 6px;
  letter-spacing: 0.08em;
}

.sidebar-menu a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: 10px;
  color: #94a3b8;
  transition: var(--transition);
  font-size: 0.91rem;
  font-weight: 500;
  position: relative;
}

.sidebar-menu a:hover {
  background: var(--sidebar-hover);
  color: #ffffff;
  transform: translateX(4px);
}

.sidebar-menu a.active {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.25), rgba(79, 70, 229, 0.15));
  color: #ffffff;
  font-weight: 600;
  border-left: 4px solid var(--primary-light);
}

.sidebar-menu a i {
  width: 20px;
  text-align: center;
  font-size: 1.05rem;
  color: #64748b;
  transition: var(--transition);
}

.sidebar-menu a:hover i, .sidebar-menu a.active i {
  color: var(--primary-light);
}

.sidebar-menu .submenu {
  list-style: none;
  padding-left: 32px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-menu .has-sub.open .submenu {
  max-height: 500px;
}

.sidebar-menu .has-sub > a .arrow {
  margin-left: auto;
  font-size: 0.75rem;
  transition: transform 0.25s ease;
}

.sidebar-menu .has-sub.open > a .arrow {
  transform: rotate(90deg);
}

.sidebar-footer {
  padding: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.8rem;
  color: #475569;
  font-weight: 500;
  text-align: center;
}

/* Main Workspace */
.main-content {
  margin-left: 270px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: var(--transition);
}

/* Topbar Header */
.topbar {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  gap: 18px;
  z-index: 1030;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

[data-theme="dark"] .topbar {
  background: rgba(15, 23, 42, 0.85);
}

.topbar .search-box {
  flex: 1;
  max-width: 440px;
  position: relative;
}

.topbar .search-box input {
  padding-left: 42px;
  border-radius: 30px;
  background: var(--body-bg);
  border: 1px solid var(--border);
  font-size: 0.88rem;
}

.topbar .search-box i {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.topbar .topbar-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--body-bg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text);
  position: relative;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.topbar .topbar-icon:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  transform: scale(1.05);
}

.topbar .user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 4px 10px rgba(79, 70, 229, 0.25);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--text);
  cursor: pointer;
}

.content-area {
  padding: 28px;
  flex: 1;
}

.footer {
  padding: 20px 28px;
  border-top: 1px solid var(--border);
  background: var(--card-bg);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.86rem;
}

/* Premium Stat Cards */
.stat-card {
  padding: 22px;
  border-radius: var(--radius);
  background: var(--card-bg);
  border: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.stat-card .stat-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.45rem;
  color: #ffffff;
  box-shadow: 0 8px 16px -4px rgba(0, 0, 0, 0.15);
}

.stat-card .stat-label {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  margin: 0;
}

.stat-card .stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  margin: 4px 0 0;
  letter-spacing: -0.02em;
}

.bg-grad-1 { background: linear-gradient(135deg, #6366f1, #4f46e5); }
.bg-grad-2 { background: linear-gradient(135deg, #0ea5e9, #0284c7); }
.bg-grad-3 { background: linear-gradient(135deg, #10b981, #059669); }
.bg-grad-4 { background: linear-gradient(135deg, #f59e0b, #d97706); }