:root {
  --crm-primary: #1e293b;
  --crm-primary-light: #334155;
  --crm-accent: #6366f1;
  --crm-accent-hover: #4f46e5;
  --crm-bg: #f8fafc;
  --crm-card-bg: #ffffff;
  --crm-sidebar-width: 260px;
  --crm-text-main: #0f172a;
  --crm-text-muted: #64748b;
  --crm-border: #e2e8f0;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--crm-bg);
  color: var(--crm-text-main);
  min-height: 100vh;
}

/* Layout */
.crm-wrapper {
  display: flex;
  width: 100%;
  align-items: stretch;
}

.crm-sidebar {
  width: var(--crm-sidebar-width);
  min-width: var(--crm-sidebar-width);
  background: var(--crm-primary);
  color: #f1f5f9;
  min-height: 100vh;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1040;
}

.crm-sidebar-brand {
  padding: 1.25rem 1.5rem;
  font-size: 1.15rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: #fff;
  text-decoration: none;
}

.crm-sidebar-brand span {
  font-size: 0.8rem;
  color: #94a3b8;
  display: block;
  font-weight: 400;
}

.crm-nav-section {
  padding: 0.75rem 1.5rem 0.25rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.075em;
  color: #94a3b8;
  font-weight: 700;
}

.crm-nav-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.65rem 1.5rem;
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: all 0.2s ease;
}

.crm-nav-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.05);
}

.crm-nav-link.active {
  color: #ffffff;
  background: rgba(99, 102, 241, 0.15);
  border-left-color: var(--crm-accent);
}

.crm-nav-link svg {
  width: 18px;
  height: 18px;
  opacity: 0.85;
}

.crm-main-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.crm-topbar {
  background: #ffffff;
  border-bottom: 1px solid var(--crm-border);
  padding: 0.75rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 1020;
}

.crm-content-body {
  padding: 1.75rem;
  flex: 1;
}

/* Cards & Stats */
.stat-card {
  background: #ffffff;
  border-radius: 12px;
  border: 1px solid var(--crm-border);
  padding: 1.25rem 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.stat-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--crm-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.stat-value {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--crm-text-main);
  margin-top: 0.25rem;
}

.stat-sub {
  font-size: 0.8rem;
  color: var(--crm-text-muted);
  margin-top: 0.35rem;
}

/* Modern Card Component */
.crm-card {
  background: #ffffff;
  border-radius: 12px;
  border: 1px solid var(--crm-border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
  margin-bottom: 1.5rem;
}

.crm-card-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--crm-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #ffffff;
  border-top-left-radius: 12px;
  border-top-right-radius: 12px;
}

.crm-card-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0;
  color: var(--crm-text-main);
}

.crm-card-body {
  padding: 1.5rem;
}

/* Tables */
.crm-table-container {
  overflow-x: auto;
}

.crm-table {
  width: 100%;
  margin-bottom: 0;
  vertical-align: middle;
}

.crm-table th {
  background: #f8fafc;
  color: #475569;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--crm-border);
  white-space: nowrap;
}

.crm-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--crm-border);
  font-size: 0.88rem;
  color: #1e293b;
}

.crm-table tr:hover td {
  background-color: #f8fafc;
}

/* Custom Badges */
.bg-purple {
  background-color: #8b5cf6 !important;
}

/* Buttons */
.btn-primary {
  background-color: var(--crm-accent);
  border-color: var(--crm-accent);
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--crm-accent-hover);
  border-color: var(--crm-accent-hover);
}

/* Mobile Sidebar Toggle */
@media (max-width: 991.98px) {
  .crm-sidebar {
    margin-left: calc(-1 * var(--crm-sidebar-width));
    position: fixed;
    height: 100vh;
  }
  .crm-sidebar.show {
    margin-left: 0;
  }
}