/* ================================================
   GetUpskill Mzansi - Professional Design System
   ================================================ */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

/* ================================================
   CSS Variables - Brand Colors
   ================================================ */
:root {
  /* Primary Brand Colors - Professional Blue + Energetic Orange */
  --primary-blue: #1E40AF;
  --primary-blue-dark: #1E3A8A;
  --primary-orange: #F59E0B;
  --primary-orange-dark: #D97706;
  
  /* UI Colors */
  --text-dark: #1A1A1A;
  --text-gray: #6B7280;
  --text-light: #9CA3AF;
  --bg-light: #F9FAFB;
  --bg-white: #FFFFFF;
  --border-light: #E5E7EB;
  
  /* Accent Colors */
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --info: #3B82F6;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #1E40AF 0%, #1E3A8A 100%);
  --gradient-orange: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
  --gradient-hero: linear-gradient(135deg, #1E40AF 0%, #1E3A8A 50%, #F59E0B 100%);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  
  /* Typography */
  --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Shadows */
  --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);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
}

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

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--bg-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--text-dark);
}

/* ================================================
   Header & Hero Section
   ================================================ */
.header {
  background: var(--gradient-primary);
  color: white;
  padding: var(--spacing-md) 0;
  box-shadow: var(--shadow-md);
}

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

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.75rem;
  font-weight: 700;
  font-family: var(--font-heading);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-emoji {
  font-size: 2rem;
}

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

.nav-links a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.2s;
}

.nav-links a:hover {
  opacity: 0.8;
}

/* Hero Section */
.hero {
  background: var(--gradient-hero);
  color: white;
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: white;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero .subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.95;
  font-weight: 400;
}

.hero-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.hero-feature {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-feature-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-xs);
}

.hero-feature h3 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
  color: white;
}

.hero-feature p {
  font-size: 0.875rem;
  opacity: 0.9;
}

/* ================================================
   Upload Section
   ================================================ */
.upload-section {
  background: white;
  padding: var(--spacing-xl) 0;
}

.upload-card {
  max-width: 600px;
  margin: 0 auto;
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-xl);
  border: 2px solid var(--border-light);
}

.upload-card h2 {
  text-align: center;
  margin-bottom: var(--spacing-md);
  color: var(--primary-green);
}

.upload-area {
  border: 3px dashed var(--primary-blue);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  background: var(--bg-light);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.upload-area:hover {
  border-color: var(--primary-orange);
  background: #FFF7ED;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.upload-area.drag-over {
  border-color: var(--primary-orange);
  background: #FFF7ED;
  transform: scale(1.02);
}

.upload-icon {
  font-size: 4rem;
  color: var(--primary-blue);
  margin-bottom: var(--spacing-sm);
}

.upload-area input[type="file"] {
  display: none;
}

.upload-text {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-dark);
  margin-bottom: var(--spacing-xs);
}

.upload-hint {
  font-size: 0.875rem;
  color: var(--text-gray);
}

.file-info {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm);
  background: var(--bg-light);
  border-radius: var(--radius-md);
  display: none;
}

.file-info.show {
  display: block;
}

.upload-button {
  width: 100%;
  padding: 1rem;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1.125rem;
  font-weight: 600;
  font-family: var(--font-heading);
  cursor: pointer;
  margin-top: var(--spacing-md);
  transition: all 0.3s ease;
  box-shadow: var(--shadow-md);
}

.upload-button:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.upload-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.upload-button:active {
  transform: translateY(0);
}

/* Trust Badge */
.trust-badge {
  text-align: center;
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-light);
  color: var(--text-gray);
  font-size: 0.875rem;
}

/* ================================================
   Loading Overlay
   ================================================ */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.95);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.spinner {
  width: 60px;
  height: 60px;
  border: 5px solid var(--border-light);
  border-top: 5px solid var(--primary-green);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.loading-text {
  margin-top: var(--spacing-md);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-dark);
}

/* ================================================
   Results Section
   ================================================ */
.results-section {
  background: white;
  padding: var(--spacing-xl) 0;
  min-height: 60vh;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-header h2 {
  font-size: 2rem;
  color: var(--primary-blue);
  margin-bottom: var(--spacing-sm);
}

.section-header p {
  color: var(--text-gray);
  font-size: 1.125rem;
}

/* Collapsible Controls */
.expand-collapse-controls {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.expand-collapse-btn {
  padding: 0.5rem 1rem;
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  color: var(--text-dark);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.expand-collapse-btn:hover {
  background: var(--bg-light);
  border-color: var(--primary-blue);
  color: var(--primary-blue);
}

/* Collapsible Sections */
.collapsible-section {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s;
}

.collapsible-section:hover {
  box-shadow: var(--shadow-md);
}

.collapsible-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  cursor: pointer;
  background: white;
  transition: background 0.2s;
}

.collapsible-header:hover {
  background: var(--bg-light);
}

.collapsible-header.active {
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-light);
}

.collapsible-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex: 1;
}

.collapsible-title h3 {
  margin: 0;
  font-size: 1.125rem;
  color: var(--primary-blue);
}

.skill-count {
  background: var(--primary-blue);
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  min-width: 32px;
  text-align: center;
}

.collapse-icon {
  font-size: 1.5rem;
  color: var(--primary-blue);
  transition: transform 0.3s ease;
  font-weight: bold;
}

.collapse-icon.expanded {
  transform: rotate(180deg);
}

.collapsible-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.collapsible-content.expanded {
  max-height: 2000px;
  transition: max-height 0.5s ease-in;
}

.collapsible-content-inner {
  padding: var(--spacing-md);
}

.collapsible-content ul {
  list-style: none;
  padding: 0;
}

.collapsible-content li {
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  background: var(--bg-light);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--primary-orange);
}

.collapsible-content li strong {
  color: var(--primary-blue);
}

.collapsible-content a {
  color: var(--info);
  text-decoration: none;
  font-weight: 500;
}

.collapsible-content a:hover {
  text-decoration: underline;
}

/* Role Selection */
.role-selection-section {
  background: white;
  border: 1px solid var(--border-light);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.role-selection-section h2 {
  color: var(--primary-blue);
  margin-bottom: var(--spacing-sm);
}

.filter-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: var(--spacing-md) 0;
  padding: var(--spacing-md);
  background: var(--bg-light);
  border-radius: var(--radius-md);
}

.role-checkboxes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-sm);
  margin: var(--spacing-md) 0;
}

.role-checkbox-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: white;
  border: 2px solid var(--border-light);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s;
}

.role-checkbox-item:hover {
  border-color: var(--primary-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.role-checkbox-item.checked {
  background: #EFF6FF;
  border-color: var(--primary-blue);
}

.role-match.high {
  color: var(--success);
  font-weight: 600;
}

.role-match.medium {
  color: var(--primary-orange);
  font-weight: 600;
}

.role-match.low {
  color: var(--text-gray);
}

.update-btn {
  width: 100%;
  padding: 1rem;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1.125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: var(--shadow-md);
}

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

/* Role Cards */
.role-card {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s;
}

.role-card:hover {
  box-shadow: var(--shadow-md);
}

.role-card h3 {
  color: var(--primary-blue);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--primary-orange);
}

/* Learning Focus */
#learning-focus {
  background: #FFF7ED;
  border: 2px solid var(--primary-orange);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  list-style: none;
}

#learning-focus li {
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
  background: white;
  border-radius: var(--radius-md);
  border-left: 3px solid var(--primary-orange);
  font-weight: 500;
  color: var(--text-dark);
}

/* Job Alert Floating Button */
.floating-job-alert {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--gradient-primary);
  color: white;
  padding: 1rem 1.5rem;
  border-radius: 50px;
  box-shadow: var(--shadow-xl);
  cursor: pointer;
  display: none;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-family: var(--font-heading);
  z-index: 1000;
  animation: slideInRight 0.5s ease-out, bounce 2s ease-in-out 0.5s infinite;
  transition: transform 0.2s;
}

.floating-job-alert:hover {
  transform: scale(1.05);
}

.floating-job-alert.show {
  display: flex;
}

.floating-job-alert-icon {
  font-size: 1.5rem;
  animation: wiggle 1s ease-in-out infinite;
}

.floating-job-alert-close {
  margin-left: 0.5rem;
  opacity: 0.7;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0 0.5rem;
}

.floating-job-alert-close:hover {
  opacity: 1;
}

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

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes wiggle {
  0%, 100% {
    transform: rotate(0deg);
  }
  25% {
    transform: rotate(-15deg);
  }
  75% {
    transform: rotate(15deg);
  }
}

/* Job Alert Signup */
.job-alert-cta {
  background: var(--gradient-primary);
  color: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  margin: var(--spacing-xl) auto;
  max-width: 700px;
  box-shadow: var(--shadow-xl);
  animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.job-alert-cta h3 {
  color: white;
  font-size: 1.75rem;
  margin-bottom: var(--spacing-sm);
}

.benefits {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  margin: var(--spacing-md) 0;
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.95rem;
}

.benefit-item::before {
  content: "✓";
  font-weight: bold;
  font-size: 1.25rem;
  color: var(--primary-orange);
}

.signup-form {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  background: white;
  color: var(--text-dark);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin: var(--spacing-md) 0;
}

.signup-buttons {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.btn-signup {
  flex: 1;
  padding: 1rem;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.success-message {
  background: var(--success);
  color: white;
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  max-width: 700px;
  margin: var(--spacing-lg) auto;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.5s ease-out;
}

.success-message h4 {
  color: white;
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

/* ================================================
   Responsive Design
   ================================================ */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero .subtitle {
    font-size: 1rem;
  }
  
  .hero-features {
    grid-template-columns: 1fr;
  }
  
  .upload-card {
    padding: var(--spacing-md);
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .signup-buttons {
    flex-direction: column;
  }
  
  .role-checkboxes {
    grid-template-columns: 1fr;
  }
  
  .filter-options {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
  
  .nav-links {
    display: none;
  }
  
  .floating-job-alert {
    bottom: 20px;
    right: 20px;
    left: 20px;
    padding: 0.875rem 1.25rem;
    font-size: 0.9rem;
    justify-content: center;
  }
  
  .floating-job-alert-text {
    font-size: 0.875rem;
  }
}

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

.mt-lg {
  margin-top: var(--spacing-lg);
}

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

.hidden {
  display: none !important;
}