:root {
  --primary: #4f46e5;
  --primary-light: #818cf8;
  --primary-dark: #3730a3;
  --secondary: #64748b;
  --dark: #0f172a;
  --light: #f8fafc;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --glass: rgba(255, 255, 255, 0.9);
  --glass-border: rgba(255, 255, 255, 0.4);
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg:
    0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --radius: 12px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family:
    "Inter",
    system-ui,
    -apple-system,
    sans-serif;
}

body {
  background-color: #f1f5f9;
  color: var(--dark);
  line-height: 1.6;
}

/* Login Styling */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at top left, #1e293b 0%, #0f172a 100%);
  padding: 1.5rem;
}

.login-card {
  background: var(--glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  padding: 3rem;
  border-radius: 1.5rem;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.login-header h1 {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-dark) 100%
  );
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

/* Sidebar Styling */
.sidebar {
  background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
  color: white;
  padding: 2rem 1.5rem;
  box-shadow: 4px 0 10px rgba(0, 0, 0, 0.1);
  z-index: 10;
}

.sidebar-header {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 3.5rem;
  color: white;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  letter-spacing: -0.025em;
}

.sidebar-header i {
  color: var(--primary-light);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.875rem 1.25rem;
  color: #94a3b8;
  text-decoration: none;
  border-radius: var(--radius);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-weight: 500;
  margin-bottom: 0.375rem;
  font-size: 0.9375rem;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.05);
  color: white;
  transform: translateX(4px);
}

.nav-link.active {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.4);
}

.nav-link i {
  width: 20px;
  text-align: center;
  font-size: 1.1rem;
}

/* Main Layout */
.dashboard-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

.main-wrapper {
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

.header {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(8px);
  padding: 1.25rem 2.5rem;
  border-bottom: 1px solid #e2e8f0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 5;
}

.header-title h2 {
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--dark);
}

.main-content {
  padding: 2.5rem;
  max-width: 1600px;
}

.main-content.wide-view {
  max-width: 98%;
  padding: 1.5rem;
}

/* Cards & UI Elements */
.card {
  background: white;
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid #f1f5f9;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--dark);
  letter-spacing: -0.025em;
}

.card h3 i {
  color: var(--primary);
  background: #eef2ff;
  padding: 0.5rem;
  border-radius: 10px;
}

.card p {
  color: var(--secondary);
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #334155;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
  background-color: #f8fafc;
  transition: all 0.2s;
  font-size: 0.9375rem;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
  background-color: white;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  font-size: 0.9375rem;
  gap: 0.625rem;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-dark) 100%
  );
  color: white;
  box-shadow: 0 4px 14px 0 rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

.btn-success {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.alert {
  padding: 1rem 1.25rem;
  border-radius: 10px;
  margin-bottom: 1.5rem;
  font-size: 0.9375rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border: 1px solid transparent;
}

.alert-danger {
  background-color: #fef2f2;
  color: #991b1b;
  border-color: #fee2e2;
}

.alert-success {
  background-color: #f0fdf4;
  color: #166534;
  border-color: #dcfce7;
}

/* Table Styling */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius);
}

.table {
  width: 100%;
  border-spacing: 0;
}

.table th {
  background: #f8fafc;
  text-align: left;
  padding: 1rem 1.5rem;
  color: #64748b;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid #e2e8f0;
}

.table td {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid #f1f5f9;
  font-size: 0.9375rem;
  vertical-align: middle;
}

.table tr:last-child td {
  border-bottom: none;
}

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

.badge {
  padding: 0.375rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.main-content > * {
  animation: fadeIn 0.4s ease forwards;
}

/* Print Styles */
@media print {
  .sidebar,
  .header,
  .btn,
  .header-actions,
  .sidebar-header,
  .nav-menu,
  .user-info,
  .alert {
    display: none !important;
  }

  .dashboard-layout {
    display: block !important;
    grid-template-columns: 1fr !important;
  }

  .main-wrapper {
    margin: 0 !important;
    padding: 0 !important;
  }

  .main-content {
    padding: 0 !important;
    margin: 0 !important;
    max-width: 100% !important;
  }

  .card {
    box-shadow: none !important;
    border: none !important;
    padding: 0 !important;
  }

  body {
    background: white !important;
  }

  * {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }
}