:root {
  --primary: #5e72e4;
  --primary-dark: #324cdd;
  --secondary: #f7fafc;
  --success: #2dce89;
  --info: #11cdef;
  --warning: #fb6340;
  --danger: #f5365c;
  --dark: #172b4d;
  --light: #f8f9fe;
  --white: #ffffff;
  --gray: #8898aa;
  --gray-dark: #32325d;
}

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

body {
  font-family: "Open Sans", sans-serif;
  font-size: 0.875rem;
  color: var(--gray-dark);
  background-color: var(--light);
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 250px;
  height: 100vh;
  background: linear-gradient(87deg, var(--primary) 0, #825ee4 100%);
  padding: 1rem 0;
  z-index: 1000;
  overflow-y: auto;
  transition: all 0.3s;
}

.sidebar-brand {
  padding: 1rem 1.5rem;
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 600;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sidebar-nav {
  list-style: none;
  padding: 0;
  margin: 2rem 0;
}

.nav-item {
  margin: 0.25rem 0;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: all 0.15s ease;
  gap: 0.75rem;
}

.nav-link:hover,
.nav-link.active {
  color: var(--white);
  background-color: rgba(255, 255, 255, 0.1);
}

.nav-link i {
  font-size: 1rem;
  width: 20px;
  text-align: center;
}

/* Main Content */
.main-content {
  margin-left: 250px;
  min-height: 100vh;
  transition: all 0.3s;
}

/* Navbar */
.navbar-top {
  background-color: var(--white);
  box-shadow: 0 0 2rem 0 rgba(136, 152, 170, 0.15);
  padding: 1rem 1.5rem;
}

.navbar-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.navbar-user img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
}

/* Header */
.header {
  background: linear-gradient(87deg, var(--primary) 0, #825ee4 100%);
  padding: 3rem 0 5rem;
  margin-bottom: -4rem;
}

.header-body {
  padding: 0 1.5rem;
}

.header-title {
  color: var(--white);
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.header-subtitle {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
}

/* Cards */
.card {
  background-color: var(--white);
  border: 0;
  border-radius: 0.375rem;
  box-shadow: 0 0 2rem 0 rgba(136, 152, 170, 0.15);
  margin-bottom: 1.5rem;
}

.card-header {
  background-color: transparent;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  padding: 1.25rem 1.5rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
  color: var(--gray-dark);
}

.card-body {
  padding: 1.5rem;
}

.card-stats {
  padding: 1rem 1.5rem;
}

.card-stats .card-body {
  padding: 0;
}

/* Stats Cards */
.stats-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stats-content h5 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 0.5rem;
}

.stats-content .stats-number {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--gray-dark);
}

.stats-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--white);
}

.stats-icon.bg-gradient-red {
  background: linear-gradient(87deg, #f5365c 0, #f56036 100%);
}

.stats-icon.bg-gradient-orange {
  background: linear-gradient(87deg, #fb6340 0, #fbb140 100%);
}

.stats-icon.bg-gradient-green {
  background: linear-gradient(87deg, #2dce89 0, #2dcecc 100%);
}

.stats-icon.bg-gradient-info {
  background: linear-gradient(87deg, #11cdef 0, #1171ef 100%);
}

/* Tables */
.table {
  width: 100%;
  margin-bottom: 1rem;
  color: var(--gray-dark);
}

.table thead th {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 1px solid #e9ecef;
  padding: 0.75rem 1rem;
  color: var(--gray);
}

.table tbody td {
  padding: 1rem;
  border-top: 1px solid #e9ecef;
  vertical-align: middle;
}

.table-hover tbody tr:hover {
  background-color: rgba(0, 0, 0, 0.02);
}

/* Buttons */
.btn {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 0.375rem;
  border: 0;
  transition: all 0.15s ease;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

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

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

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

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

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

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

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
}

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

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-dark);
  margin-bottom: 0.5rem;
  display: block;
}

.form-control {
  display: block;
  width: 100%;
  padding: 0.625rem 0.75rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--gray-dark);
  background-color: var(--white);
  border: 1px solid #cad1d7;
  border-radius: 0.375rem;
  transition: all 0.15s ease;
}

.form-control:focus {
  border-color: var(--primary);
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(94, 114, 228, 0.25);
}

.form-select {
  display: block;
  width: 100%;
  padding: 0.625rem 2.25rem 0.625rem 0.75rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--gray-dark);
  background-color: var(--white);
  border: 1px solid #cad1d7;
  border-radius: 0.375rem;
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 16px 12px;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.35rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: 0.375rem;
}

.badge-success {
  background-color: var(--success);
  color: var(--white);
}

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

.badge-warning {
  background-color: var(--warning);
  color: var(--white);
}

.badge-info {
  background-color: var(--info);
  color: var(--white);
}

.badge-secondary {
  background-color: var(--gray);
  color: var(--white);
}

/* Alerts */
.alert {
  padding: 1rem 1.5rem;
  margin-bottom: 1rem;
  border: 0;
  border-radius: 0.375rem;
  border-left: 4px solid;
}

.alert-success {
  background-color: #d4edda;
  border-left-color: var(--success);
  color: #155724;
}

.alert-danger {
  background-color: #f8d7da;
  border-left-color: var(--danger);
  color: #721c24;
}

.alert-warning {
  background-color: #fff3cd;
  border-left-color: var(--warning);
  color: #856404;
}

.alert-info {
  background-color: #d1ecf1;
  border-left-color: var(--info);
  color: #0c5460;
}

/* Utilities */
.container-fluid {
  padding: 0 1.5rem;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -0.75rem;
}

.col,
.col-md-3,
.col-md-4,
.col-md-6,
.col-md-8,
.col-md-12 {
  padding: 0 0.75rem;
}

.col-md-3 {
  flex: 0 0 25%;
  max-width: 25%;
}

.col-md-4 {
  flex: 0 0 33.333333%;
  max-width: 33.333333%;
}

.col-md-6 {
  flex: 0 0 50%;
  max-width: 50%;
}

.col-md-8 {
  flex: 0 0 66.666667%;
  max-width: 66.666667%;
}

.col-md-12 {
  flex: 0 0 100%;
  max-width: 100%;
}

.d-flex {
  display: flex !important;
}

.justify-content-between {
  justify-content: space-between !important;
}

.align-items-center {
  align-items: center !important;
}

.text-center {
  text-align: center !important;
}

.text-right {
  text-align: right !important;
}

.mb-0 {
  margin-bottom: 0 !important;
}

.mb-3 {
  margin-bottom: 1rem !important;
}

.mb-4 {
  margin-bottom: 1.5rem !important;
}

.mt-4 {
  margin-top: 1.5rem !important;
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.active {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

  .col-md-3,
  .col-md-4,
  .col-md-6,
  .col-md-8,
  .col-md-12 {
    flex: 0 0 100%;
    max-width: 100%;
  }
}

/* Login Page */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(87deg, var(--primary) 0, #825ee4 100%);
}

.login-card {
  width: 100%;
  max-width: 400px;
  padding: 2rem;
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-header h1 {
  color: var(--gray-dark);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.login-header p {
  color: var(--gray);
  font-size: 0.875rem;
}