/* SuperGrid Brand System */
:root {
  /* Primary Brand Colors */
  --supergrid-primary: #1a73e8;
  --supergrid-primary-dark: #1557b0;
  --supergrid-primary-light: #4285f4;
  
  /* Secondary Colors */
  --supergrid-success: #34a853;
  --supergrid-warning: #fbbc04;
  --supergrid-error: #ea4335;
  --supergrid-info: #4285f4;
  
  /* Neutral Colors */
  --supergrid-gray-50: #f8f9fa;
  --supergrid-gray-100: #f1f3f4;
  --supergrid-gray-200: #e8eaed;
  --supergrid-gray-300: #dadce0;
  --supergrid-gray-400: #bdc1c6;
  --supergrid-gray-500: #9aa0a6;
  --supergrid-gray-600: #80868b;
  --supergrid-gray-700: #5f6368;
  --supergrid-gray-800: #3c4043;
  --supergrid-gray-900: #202124;
  
  /* Typography */
  --supergrid-font-primary: 'Google Sans', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
  --supergrid-font-mono: 'Roboto Mono', 'Courier New', monospace;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
  --shadow-md: 0 1px 3px 0 rgba(60, 64, 67, 0.3), 0 4px 8px 3px rgba(60, 64, 67, 0.15);
  --shadow-lg: 0 2px 6px 2px rgba(60, 64, 67, 0.15), 0 8px 24px 4px rgba(60, 64, 67, 0.15);
  --shadow-xl: 0 4px 8px 3px rgba(60, 64, 67, 0.15), 0 8px 16px 8px rgba(60, 64, 67, 0.15);
}

/* Global Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--supergrid-font-primary);
  background-color: var(--supergrid-gray-50);
  color: var(--supergrid-gray-900);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* SuperGrid Header */
.supergrid-header {
  background: white;
  border-bottom: 1px solid var(--supergrid-gray-200);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.supergrid-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
  height: 64px;
}

.supergrid-logo {
  display: flex;
  align-items: center;
  font-size: 20px;
  font-weight: 500;
  color: var(--supergrid-gray-900);
  text-decoration: none;
  transition: color 0.2s ease;
}

.supergrid-logo:hover {
  color: var(--supergrid-primary);
}

.supergrid-logo::before {
  content: "⚡";
  margin-right: var(--spacing-sm);
  font-size: 24px;
  color: var(--supergrid-primary);
}

.supergrid-nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  list-style: none;
}

.supergrid-nav-link {
  color: var(--supergrid-gray-700);
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  font-weight: 400;
}

.supergrid-nav-link:hover {
  background-color: var(--supergrid-gray-100);
  color: var(--supergrid-primary);
}

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

/* Main Content Container */
.supergrid-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-lg);
}

.supergrid-card {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

/* Typography */
.supergrid-title {
  font-size: 28px;
  font-weight: 400;
  color: var(--supergrid-gray-900);
  margin-bottom: var(--spacing-lg);
}

.supergrid-subtitle {
  font-size: 20px;
  font-weight: 400;
  color: var(--supergrid-gray-700);
  margin-bottom: var(--spacing-md);
}

.supergrid-text {
  font-size: 14px;
  color: var(--supergrid-gray-700);
  line-height: 1.6;
}

/* Buttons */
.supergrid-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--supergrid-font-primary);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

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

.supergrid-btn-primary:hover {
  background-color: var(--supergrid-primary-dark);
  box-shadow: var(--shadow-md);
}

.supergrid-btn-secondary {
  background-color: white;
  color: var(--supergrid-primary);
  border: 1px solid var(--supergrid-gray-300);
}

.supergrid-btn-secondary:hover {
  background-color: var(--supergrid-gray-50);
  border-color: var(--supergrid-primary);
}

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

.supergrid-btn-success:hover {
  background-color: #2e7d32;
  box-shadow: var(--shadow-md);
}

.supergrid-btn:disabled {
  background-color: var(--supergrid-gray-200);
  color: var(--supergrid-gray-500);
  cursor: not-allowed;
}

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

.supergrid-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--supergrid-gray-700);
  margin-bottom: var(--spacing-sm);
}

.supergrid-input,
.supergrid-select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--supergrid-gray-300);
  border-radius: var(--radius-md);
  font-family: var(--supergrid-font-primary);
  font-size: 14px;
  transition: all 0.2s ease;
  background-color: white;
}

.supergrid-input:focus,
.supergrid-select:focus {
  outline: none;
  border-color: var(--supergrid-primary);
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

/* Status Messages */
.supergrid-alert {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: var(--spacing-lg);
}

.supergrid-alert-success {
  background-color: #e8f5e8;
  color: #1e4620;
  border: 1px solid #c3e6c3;
}

.supergrid-alert-error {
  background-color: #fce8e6;
  color: #5f2120;
  border: 1px solid #f5c6cb;
}

.supergrid-alert-info {
  background-color: #e3f2fd;
  color: #0d47a1;
  border: 1px solid #bbdefb;
}

.supergrid-alert-warning {
  background-color: #fff3cd;
  color: #856404;
  border: 1px solid #ffeaa7;
}

/* Camera/Video Styles */
.supergrid-camera-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl);
  background: var(--supergrid-gray-50);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--supergrid-gray-300);
}

.supergrid-video {
  border-radius: var(--radius-lg);
  border: 3px solid var(--supergrid-primary);
  box-shadow: var(--shadow-md);
  max-width: 100%;
  height: auto;
}

/* Step Flow */
.supergrid-steps {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.supergrid-step {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  border: 2px solid var(--supergrid-gray-200);
  transition: all 0.2s ease;
}

.supergrid-step.active {
  border-color: var(--supergrid-primary);
  box-shadow: var(--shadow-md);
}

.supergrid-step.completed {
  border-color: var(--supergrid-success);
  background-color: #f8fff9;
}

.supergrid-step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--supergrid-gray-300);
  color: white;
  font-weight: 500;
  margin-right: var(--spacing-md);
  font-size: 14px;
}

.supergrid-step.active .supergrid-step-number {
  background-color: var(--supergrid-primary);
}

.supergrid-step.completed .supergrid-step-number {
  background-color: var(--supergrid-success);
}

.supergrid-step-completed .supergrid-step-number::before {
  content: "✓";
}

.supergrid-step-title {
  font-size: 18px;
  font-weight: 500;
  color: var(--supergrid-gray-900);
  margin-bottom: var(--spacing-sm);
}

/* Responsive Design */
@media (max-width: 768px) {
  .supergrid-nav {
    padding: 0 var(--spacing-md);
    height: 56px;
  }
  
  .supergrid-container {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .supergrid-card {
    padding: var(--spacing-lg);
  }
  
  .supergrid-nav-links {
    gap: var(--spacing-sm);
  }
  
  .supergrid-nav-link {
    padding: var(--spacing-sm);
    font-size: 13px;
  }
}

/* Loading States */
.supergrid-loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.d-flex { display: flex; }
.flex-column { flex-direction: column; }
.align-items-center { align-items: center; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.w-100 { width: 100%; }
.max-w-400 { max-width: 400px; }
.max-w-600 { max-width: 600px; }