/* Modern Dashboard Styles */
:root {
  --background: #ffffff;
  --foreground: #2d3748;
  --card: #f1f5f9;
  --card-foreground: #2d3748;
  --primary: #0077cc;
  --primary-foreground: #ffffff;
  --secondary: #ff7f50;
  --secondary-foreground: #ffffff;
  --muted: #f1f5f9;
  --muted-foreground: #718096;
  --accent: #ff7f50;
  --border: #e2e8f0;
  --input: #f7fafc;
  --radius: 0.5rem;
  --sidebar: #f8fafc;
  --sidebar-foreground: #2d3748;
  --success: #38a169;
  --warning: #d69e2e;
  --error: #e53e3e;
}

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

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--background);
  color: var(--foreground);
  line-height: 1.6;
}

/* Dashboard Layout */
.dashboard-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 280px;
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  padding: 1.5rem 0;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
  transition: transform 0.3s ease;
  z-index: 1000;
}

.sidebar.mobile-hidden {
  transform: translateX(-100%);
}

.sidebar-header {
  padding: 0 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}

.sidebar-logo img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
}

.sidebar-nav {
  padding: 0 1rem;
}

.nav-section {
  margin-bottom: 2rem;
}

.nav-section-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--muted-foreground);
  margin-bottom: 0.75rem;
  padding: 0 0.75rem;
  letter-spacing: 0.05em;
}

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

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--sidebar-foreground);
  font-weight: 500;
  transition: all 0.2s ease;
  position: relative;
}

.nav-link:hover {
  background: rgba(0, 119, 204, 0.1);
  color: var(--primary);
}

.nav-link.active {
  background: var(--primary);
  color: var(--primary-foreground);
}

.nav-link.active::before {
  content: "";
  position: absolute;
  left: -1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--primary);
  border-radius: 0 2px 2px 0;
}

.nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: 280px;
  background: var(--background);
  transition: margin-left 0.3s ease;
}

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

/* Header */
.dashboard-header {
  background: var(--background);
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--foreground);
}

.mobile-menu-btn:hover {
  background: var(--muted);
}

.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--foreground);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-menu {
  position: relative;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--primary-foreground);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.user-avatar:hover {
  transform: scale(1.05);
}

/* Content Area */
.content-area {
  padding: 2rem;
}

/* Cards */
.card {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: all 0.2s ease;
}

.card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.card-header {
  margin-bottom: 1.5rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.5rem;
}

.card-description {
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.stat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.stat-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted-foreground);
}

.stat-icon {
  width: 24px;
  height: 24px;
  color: var(--primary);
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: 0.5rem;
}

.stat-change {
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.stat-change.positive {
  color: var(--success);
}

.stat-change.negative {
  color: var(--error);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.875rem;
}

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

.btn-primary:hover {
  background: #005fa3;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--secondary-foreground);
}

.btn-secondary:hover {
  background: #e56b47;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--primary-foreground);
}

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

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--foreground);
}

.form-input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--input);
  color: var(--foreground);
  font-size: 0.875rem;
  transition: all 0.2s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 119, 204, 0.1);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* Tables */
.table-container {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  overflow: hidden;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th {
  background: var(--muted);
  padding: 1rem;
  text-align: left;
  font-weight: 600;
  color: var(--foreground);
  border-bottom: 1px solid var(--border);
}

.table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--foreground);
}

.table tr:hover {
  background: var(--muted);
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
}

.badge-success {
  background: rgba(56, 161, 105, 0.1);
  color: var(--success);
}

.badge-warning {
  background: rgba(214, 158, 46, 0.1);
  color: var(--warning);
}

.badge-error {
  background: rgba(229, 62, 62, 0.1);
  color: var(--error);
}

.badge-info {
  background: rgba(0, 119, 204, 0.1);
  color: var(--primary);
}

/* Mobile Overlay */
.mobile-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

.mobile-overlay.active {
  display: block;
}

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

  .sidebar.mobile-visible {
    transform: translateX(0);
  }

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

  .mobile-menu-btn {
    display: block;
  }

  .dashboard-header {
    padding: 1rem;
  }

  .content-area {
    padding: 1rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .page-title {
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .stat-value {
    font-size: 1.5rem;
  }

  .card {
    padding: 1rem;
  }

  .btn {
    padding: 0.625rem 1rem;
    font-size: 0.8rem;
  }
}

/* Animations */
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-slide-in {
  animation: slideIn 0.3s ease-out;
}

/* Loading States */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-radius: 50%;
  border-top-color: var(--primary);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}