/* Base styles */
:root {
  --primary: #2f80ed;
  --primary-dark: #2563eb;
  --secondary: #6b7280;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #3b82f6;
  --light: #f3f4f6;
  --dark: #1f2937;
  --gray-100: #f9fafb;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: #f5f7f9;
  color: var(--gray-800);
  line-height: 1.6;
}

/* Toast notifications */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
}

.toast {
  display: flex;
  align-items: center;
  background: white;
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  min-width: 300px;
  animation: slideIn 0.3s ease;
}

.toast i {
  margin-right: 10px;
  font-size: 18px;
}

.toast-success {
  border-left: 4px solid var(--success);
}

.toast-success i {
  color: var(--success);
}

.toast-error {
  border-left: 4px solid var(--danger);
}

.toast-error i {
  color: var(--danger);
}

.toast-info {
  border-left: 4px solid var(--info);
}

.toast-info i {
  color: var(--info);
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Sidebar */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  height: 100%;
  width: 250px;
  background: var(--gray-800);
  color: white;
  transition: all 0.3s ease;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
}

.sidebar-menu {
  padding: 20px 0;
}

.sidebar-menu ul {
  list-style: none;
}

.sidebar-menu li {
  margin-bottom: 5px;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 12px 20px;
  color: var(--gray-300);
  text-decoration: none;
  transition: all 0.3s;
  gap: 12px;
}

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

.nav-link.active {
  border-left: 4px solid var(--primary);
}

.sidebar-footer {
  padding: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.8rem;
  color: var(--gray-400);
  position: absolute;
  bottom: 0;
  width: 100%;
}

.sidebar-toggle {
  position: fixed;
  top: 15px;
  left: 15px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 4px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 101;
  display: none;
}

/* Main content */
.main-content {
  margin-left: 250px;
  padding: 20px;
  transition: all 0.3s ease;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--gray-200);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  background: white;
  padding: 8px 16px;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.page-content {
  display: none;
}

.page-content.active {
  display: block;
}

/* Dashboard cards */
.dashboard-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.dashboard-card {
  background: white;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.card-icon {
  width: 50px;
  height: 50px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 15px;
  font-size: 1.5rem;
  color: white;
}

.card-icon.invested {
  background: var(--info);
}

.card-icon.returned {
  background: var(--success);
}

.card-icon.outstanding {
  background: var(--warning);
}

.card-icon.profit {
  background: var(--primary);
}

.dashboard-card h3 {
  font-size: 0.9rem;
  color: var(--gray-600);
  margin-bottom: 10px;
  font-weight: 500;
}

.dashboard-card .value {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.trend {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.85rem;
  color: var(--success);
}

.trend.down {
  color: var(--danger);
}

/* Summary */
.summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.summary-item {
  background: white;
  border-radius: 8px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.summary-value {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 5px;
}

.summary-label {
  font-size: 0.9rem;
  color: var(--gray-600);
}

/* Cards */
.card {
  background: white;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 600;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 10px 16px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s;
}

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

.btn-sm {
  padding: 6px 12px;
  font-size: 0.85rem;
}

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

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

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

.btn-danger:hover {
  background: #dc2626;
}

.btn-icon {
  padding: 8px;
}

/* Forms */
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: var(--gray-700);
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 10px 12px;
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  font-size: 0.9rem;
  transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(47, 128, 237, 0.1);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--gray-500);
}

.empty-state i {
  font-size: 3rem;
  margin-bottom: 15px;
  color: var(--gray-300);
}

.empty-state p {
  margin-bottom: 10px;
}

/* Skeleton loading */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: 4px;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Badges */
.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-success {
  background: #d1fae5;
  color: #065f46;
}

.badge-info {
  background: #dbeafe;
  color: #1e40af;
}

/* Tables */
.table-container {
  overflow-x: auto;
  margin-bottom: 20px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

th, td {
  padding: 12px 15px;
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
}

th {
  background-color: var(--gray-100);
  font-weight: 600;
  color: var(--gray-700);
}

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

tr:hover {
  background-color: var(--gray-50);
}

/* Table actions */
.table-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* Responsive */
@media (max-width: 992px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .sidebar-toggle {
    display: flex;
  }
}

@media (max-width: 768px) {
  .dashboard-cards {
    grid-template-columns: 1fr;
  }
  
  .summary {
    grid-template-columns: 1fr 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* Utility classes */
.text-muted { color: var(--gray-600); }
.text-sm { font-size: 0.85rem; }
.mb-3 { margin-bottom: 15px; }
.d-flex { display: flex; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }