:root {
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary-color: #64748b;
  --accent-color: #f59e0b;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  --background-light: #f8fafc;
  --background-dark: #0f172a;
  --surface-light: #ffffff;
  --surface-dark: #1e293b;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --border-color: #cbd5e1;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
}

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

body {
  font-family: var(--font-family-base);
  color: var(--text-primary);
  background-color: var(--background-light);
  line-height: 1.5;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-md);
}

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-secondary); }
.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-error { color: var(--error-color); }

/* Layout */
.layout-grid {
  display: grid;
  gap: var(--spacing-lg);
}

.layout-flex {
  display: flex;
  gap: var(--spacing-md);
}

.layout-column {
  flex-direction: column;
}

.layout-center {
  justify-content: center;
  align-items: center;
}

/* Cards */
.card {
  background: var(--surface-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-lg);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.card-footer {
  border-top: 1px solid var(--border-color);
  padding-top: var(--spacing-md);
  margin-top: var(--spacing-md);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  text-decoration: none;
  gap: var(--spacing-xs);
}

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

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

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

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

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

.btn-block {
  width: 100%;
}

.btn-small {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: var(--font-weight-medium);
}

.form-control {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  transition: border-color 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
}

.form-check {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.form-check-input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--primary-color);
}

.form-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.form-col {
  flex: 1;
  min-width: 250px;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

th, td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  background-color: #f1f5f9;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  font-size: var(--font-size-sm);
}

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

tr:hover {
  background-color: #f8fafc;
}

.table-striped tbody tr:nth-child(even) {
  background-color: #f8fafc;
}

/* Alerts */
.alert {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.alert-success {
  background-color: #dcfce7;
  border-left: 4px solid var(--success-color);
  color: #065f46;
}

.alert-warning {
  background-color: #fef3c7;
  border-left: 4px solid var(--warning-color);
  color: #92400e;
}

.alert-error {
  background-color: #fee2e2;
  border-left: 4px solid var(--error-color);
  color: #991b1b;
}

.alert-info {
  background-color: #dbeafe;
  border-left: 4px solid var(--primary-color);
  color: #1e40af;
}

/* Navigation */
.navbar {
  background: var(--surface-light);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
}

.nav-brand {
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-xl);
  color: var(--primary-color);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.nav-item {
  position: relative;
}

.nav-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease;
}

.nav-link:hover {
  background-color: #f1f5f9;
}

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

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.bar {
  width: 25px;
  height: 3px;
  background-color: var(--text-primary);
  margin: 3px 0;
  transition: 0.3s;
}

/* Footer */
.footer {
  background: var(--surface-dark);
  color: white;
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.footer-heading {
  color: white;
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: #cbd5e1;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid #334155;
  padding-top: var(--spacing-md);
  margin-top: var(--spacing-lg);
  text-align: center;
  color: #94a3b8;
}

/* Dashboard */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.stat-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.stat-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.stat-content h3 {
  font-size: 2rem;
  margin-bottom: var(--spacing-xs);
}

/* Profile Cards */
.profile-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.profile-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: var(--spacing-md);
  border: 3px solid var(--primary-color);
}

.profile-name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-xs);
}

.profile-title {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.profile-rating {
  color: var(--accent-color);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-md);
}

/* Service Cards */
.service-card {
  text-align: center;
}

.service-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.service-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
}

/* Booking Form */
.booking-form .form-row {
  margin-bottom: var(--spacing-md);
}

.booking-summary {
  background: #f1f5f9;
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
}

/* Job Tracking */
.tracking-steps {
  display: flex;
  justify-content: space-between;
  position: relative;
  margin: var(--spacing-xl) 0;
}

.tracking-steps::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--border-color);
  z-index: 1;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 2;
}

.step-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--surface-light);
  border: 4px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-bold);
}

.step.active .step-icon {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
}

.step.completed .step-icon {
  background: var(--success-color);
  border-color: var(--success-color);
  color: white;
}

.step-label {
  font-size: var(--font-size-sm);
  text-align: center;
  max-width: 100px;
}

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 1;
  position: relative;
}

.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-img {
  transform: scale(1.05);
}

/* Admin Dashboard */
.admin-grid {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: var(--spacing-lg);
}

.sidebar {
  background: var(--surface-dark);
  color: white;
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  height: fit-content;
}

.sidebar-nav {
  list-style: none;
}

.sidebar-nav li {
  margin-bottom: var(--spacing-sm);
}

.sidebar-nav a {
  color: #cbd5e1;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  background: #334155;
  color: white;
}

.main-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
  
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: var(--surface-light);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg) 0;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .hamburger {
    display: flex;
  }
  
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  
  .admin-grid {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    order: 2;
  }
  
  .main-content {
    order: 1;
  }
  
  .form-row {
    flex-direction: column;
  }
  
  .card {
    padding: var(--spacing-md);
  }
  
  .tracking-steps {
    flex-direction: column;
    gap: var(--spacing-lg);
  }
  
  .tracking-steps::before {
    display: none;
  }
  
  .step {
    flex-direction: row;
    gap: var(--spacing-md);
    text-align: left;
  }
  
  .step-label {
    max-width: none;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-xs: 0.125rem;
    --spacing-sm: 0.25rem;
    --spacing-md: 0.75rem;
    --spacing-lg: 1rem;
    --spacing-xl: 1.5rem;
  }
  
  .btn {
    padding: var(--spacing-xs) var(--spacing-sm);
  }
  
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
}