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

:root {
  --background: 0 0% 100%;
  --foreground: 222.2 84% 4.9%;
  --card: 0 0% 100%;
  --card-foreground: 222.2 84% 4.9%;
  --primary: 262 83% 58%;
  --primary-foreground: 210 40% 98%;
  --secondary: 210 40% 96.1%;
  --secondary-foreground: 222.2 47.4% 11.2%;
  --muted: 210 40% 96.1%;
  --muted-foreground: 215.4 16.3% 46.9%;
  --accent: 210 40% 96.1%;
  --accent-foreground: 222.2 47.4% 11.2%;
  --border: 214.3 31.8% 91.4%;
  --input: 214.3 31.8% 91.4%;
  --ring: 262 83% 58%;
  --radius: 0.5rem;
}

.dark {
  --background: 222.2 84% 4.9%;
  --foreground: 210 40% 98%;
  --card: 222.2 84% 4.9%;
  --card-foreground: 210 40% 98%;
  --primary: 262 83% 58%;
  --primary-foreground: 210 40% 98%;
  --secondary: 217.2 32.6% 17.5%;
  --secondary-foreground: 210 40% 98%;
  --muted: 217.2 32.6% 17.5%;
  --muted-foreground: 215 20.2% 65.1%;
  --accent: 217.2 32.6% 17.5%;
  --accent-foreground: 210 40% 98%;
  --border: 217.2 32.6% 17.5%;
  --input: 217.2 32.6% 17.5%;
  --ring: 262 83% 58%;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* Layout */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 250px;
  background: hsl(var(--card));
  border-right: 1px solid hsl(var(--border));
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid hsl(var(--border));
}

.logo {
  width: 32px;
  height: 32px;
  background: hsl(var(--primary));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
}

.sidebar-title {
  font-size: 1.25rem;
  font-weight: 600;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  text-decoration: none;
  color: hsl(var(--foreground));
  transition: background 0.2s;
  cursor: pointer;
}

.nav-item:hover {
  background: hsl(var(--accent));
}

.nav-item.active {
  background: hsl(var(--accent));
  color: hsl(var(--accent-foreground));
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  border-bottom: 1px solid hsl(var(--border));
  background: hsl(var(--card));
}

.user-menu {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  border: 1px solid hsl(var(--border));
  cursor: pointer;
  position: relative;
}

.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: hsl(var(--primary));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}

.page-content {
  flex: 1;
  padding: 2rem;
  overflow-y: auto;
}

/* Cards */
.card {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  padding: 1.5rem;
}

.card-header {
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.card-description {
  color: hsl(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: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  padding: 1.5rem;
}

.stat-label {
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
  margin-bottom: 0.5rem;
}

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

.stat-change {
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

.stat-change.positive {
  color: #22c55e;
}

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

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

th, td {
  text-align: left;
  padding: 0.75rem;
  border-bottom: 1px solid hsl(var(--border));
}

th {
  font-weight: 600;
  color: hsl(var(--muted-foreground));
  font-size: 0.875rem;
}

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

.badge.approved {
  background: #dcfce7;
  color: #166534;
}

.badge.pending {
  background: #fef3c7;
  color: #92400e;
}

.badge.rejected {
  background: #fee2e2;
  color: #991b1b;
}

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

.badge.completed {
  background: #dcfce7;
  color: #166534;
}

/* Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
}

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

.btn-primary:hover {
  opacity: 0.9;
}

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

.btn-ghost {
  background: transparent;
  color: hsl(var(--foreground));
}

.btn-ghost:hover {
  background: hsl(var(--accent));
}

/* Login Page */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, hsl(var(--primary)) 0%, hsl(var(--accent)) 100%);
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: hsl(var(--card));
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

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

.login-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.login-subtitle {
  color: hsl(var(--muted-foreground));
}

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

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  font-size: 1rem;
}

.form-input:focus {
  outline: none;
  border-color: hsl(var(--ring));
  box-shadow: 0 0 0 3px hsla(var(--ring), 0.1);
}

/* Vendor Cards */
.vendor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.vendor-card {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: box-shadow 0.2s;
}

.vendor-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.vendor-header {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.vendor-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: hsl(var(--primary));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1.25rem;
}

.vendor-info {
  flex: 1;
}

.vendor-name {
  font-weight: 600;
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
}

.vendor-category {
  color: hsl(var(--muted-foreground));
  font-size: 0.875rem;
}

.vendor-rating {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 1rem 0;
}

.stars {
  color: #fbbf24;
}

.vendor-services {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}

.vendor-footer {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

/* Utilities */
.hidden {
  display: none !important;
}

.flex {
  display: flex;
}

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

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

.gap-4 {
  gap: 1rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mt-4 {
  margin-top: 1rem;
}

.text-sm {
  font-size: 0.875rem;
}

.text-muted {
  color: hsl(var(--muted-foreground));
}

.page-header {
  margin-bottom: 2rem;
}

.page-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.page-description {
  color: hsl(var(--muted-foreground));
}