/* ========================================
   AppIconai - Premium Support Page Styles
   AI App Icon Generator
   Electric Violet & Blue Gradient Theme
   ======================================== */

/* CSS Variables - Design Tokens */
:root {
  /* Primary Colors - Electric Violet to Blue */
  --color-primary: #7C3AED;
  --color-primary-light: #A78BFA;
  --color-primary-dark: #5B21B6;
  --color-primary-container: #EDE9FE;
  
  /* Secondary Colors - Cyan Accent */
  --color-accent: #06B6D4;
  --color-accent-light: #22D3EE;
  --color-accent-dark: #0891B2;
  
  /* Tertiary - Hot Pink */
  --color-tertiary: #EC4899;
  --color-tertiary-light: #F472B6;
  
  /* Background Colors - Premium Dark/Light */
  --color-bg-primary: #FAF5FF;
  --color-bg-secondary: #F3E8FF;
  --color-bg-tertiary: #E9D5FF;
  --color-bg-card: #FFFFFF;
  --color-bg-elevated: #FFFFFF;
  
  /* Text Colors */
  --color-text-primary: #1F1D2C;
  --color-text-secondary: #4A4458;
  --color-text-tertiary: #6B6982;
  --color-text-hint: #8B89A3;
  
  /* Semantic Colors */
  --color-success: #10B981;
  --color-info: #3B82F6;
  --color-warning: #F59E0B;
  --color-error: #EF4444;
  
  /* Borders & Overlays */
  --border-subtle: rgba(124, 58, 237, 0.12);
  --border-default: rgba(124, 58, 237, 0.25);
  --overlay-light: rgba(124, 58, 237, 0.06);
  --overlay-scrim: rgba(250, 245, 255, 0.95);
  
  /* Gradient Definitions */
  --gradient-primary: linear-gradient(135deg, #7C3AED 0%, #3B82F6 100%);
  --gradient-accent: linear-gradient(135deg, #EC4899 0%, #8B5CF6 100%);
  --gradient-dark: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
  --gradient-glow: linear-gradient(135deg, rgba(139, 92, 246, 0.6) 0%, rgba(59, 130, 246, 0) 100%);
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-base: 16px;
  --spacing-lg: 20px;
  --spacing-xl: 24px;
  --spacing-2xl: 32px;
  --spacing-3xl: 40px;
  --spacing-4xl: 48px;
  --spacing-5xl: 64px;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-full: 9999px;
  
  /* Typography */
  --font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 11px;
  --font-size-sm: 13px;
  --font-size-base: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 30px;
  --font-size-4xl: 36px;
  --font-size-5xl: 48px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(124, 58, 237, 0.08);
  --shadow-md: 0 4px 16px rgba(124, 58, 237, 0.12);
  --shadow-lg: 0 8px 32px rgba(124, 58, 237, 0.16);
  --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.3);
  --shadow-glow-accent: 0 0 40px rgba(6, 182, 212, 0.25);
  
  /* Transitions */
  --transition-fast: 200ms ease-out;
  --transition-normal: 300ms ease-out;
  --transition-slow: 500ms ease-out;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Animated Gradient Background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 0% 0%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 100% 0%, rgba(59, 130, 246, 0.12) 0%, transparent 45%),
    radial-gradient(ellipse at 50% 100%, rgba(236, 72, 153, 0.08) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
  animation: gradientShift 15s ease-in-out infinite alternate;
}

@keyframes gradientShift {
  0% { opacity: 1; }
  50% { opacity: 0.8; }
  100% { opacity: 1; }
}

/* Floating Orbs Background */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 10% 15%, rgba(139, 92, 246, 0.08) 0%, transparent 25%),
    radial-gradient(circle at 85% 20%, rgba(6, 182, 212, 0.06) 0%, transparent 20%),
    radial-gradient(circle at 70% 80%, rgba(236, 72, 153, 0.05) 0%, transparent 25%),
    radial-gradient(circle at 20% 70%, rgba(59, 130, 246, 0.06) 0%, transparent 30%);
  pointer-events: none;
  z-index: -1;
}

/* Container */
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-xl);
}

/* Header */
.header {
  text-align: center;
  padding: var(--spacing-5xl) 0 var(--spacing-3xl);
  position: relative;
}

.header::before {
  content: '';
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.12) 0%, transparent 70%);
  pointer-events: none;
  animation: pulse 6s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.7; }
}

.app-icon {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  margin-bottom: var(--spacing-xl);
  position: relative;
  animation: iconFloat 6s ease-in-out infinite;
  background: white;
  padding: 4px;
}

@keyframes iconFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-6px) rotate(-1deg); }
  75% { transform: translateY(-6px) rotate(1deg); }
}

.app-name {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 2px;
  margin-bottom: var(--spacing-sm);
}

.header-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.divider-line {
  width: 60px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.divider-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  color: white;
}

.divider-icon svg {
  width: 18px;
  height: 18px;
}

.app-tagline {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  letter-spacing: 1px;
  font-weight: 400;
}

/* Badge */
.badge-container {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-primary-container);
  color: var(--color-primary-dark);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all var(--transition-normal);
}

.badge:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

.badge svg {
  width: 14px;
  height: 14px;
}

/* Main Content */
.main-content {
  padding: var(--spacing-2xl) 0;
}

/* Section Cards */
.section-card {
  background: var(--color-bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  margin-bottom: var(--spacing-xl);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.section-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.section-card:hover {
  border-color: var(--border-default);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.section-card:hover::before {
  opacity: 1;
}

.section-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-base);
  margin-bottom: var(--spacing-lg);
}

.section-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  color: white;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

.section-icon svg {
  width: 24px;
  height: 24px;
}

.section-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text-primary);
}

.section-content {
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* Feature List */
.feature-list {
  list-style: none;
  margin-top: var(--spacing-lg);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-base) 0;
  border-bottom: 1px solid var(--overlay-light);
  transition: all var(--transition-fast);
}

.feature-item:last-child {
  border-bottom: none;
}

.feature-item:hover {
  background: var(--overlay-light);
  margin: 0 calc(-1 * var(--spacing-base));
  padding-left: var(--spacing-base);
  padding-right: var(--spacing-base);
  border-radius: var(--radius-md);
}

.feature-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  transition: all var(--transition-fast);
}

.feature-item:hover .feature-icon {
  background: var(--gradient-primary);
  color: white;
}

.feature-icon svg {
  width: 20px;
  height: 20px;
}

.feature-text {
  flex: 1;
}

.feature-title {
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.feature-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  line-height: 1.6;
}

/* Steps Section */
.steps-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-base);
  margin-top: var(--spacing-lg);
}

.step-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-base);
  padding: var(--spacing-base) var(--spacing-lg);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.step-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.step-item:hover {
  background: var(--color-primary-container);
  transform: translateX(4px);
}

.step-item:hover::before {
  opacity: 1;
}

.step-number {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: var(--font-size-lg);
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

.step-content {
  flex: 1;
}

.step-title {
  font-weight: 600;
  color: var(--color-text-primary);
}

.step-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

/* Showcase Grid - for icon examples */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-base);
  margin-top: var(--spacing-xl);
}

.showcase-item {
  aspect-ratio: 1;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-3xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.showcase-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
}

.showcase-item:nth-child(2) {
  background: var(--gradient-accent);
}

.showcase-item:nth-child(3) {
  background: linear-gradient(135deg, #06B6D4 0%, #3B82F6 100%);
}

.showcase-item:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.showcase-item svg {
  width: 48px;
  height: 48px;
  position: relative;
  z-index: 1;
}

/* Stats Row */
.stats-row {
  display: flex;
  justify-content: center;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-2xl);
  padding: var(--spacing-xl);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin-top: var(--spacing-xs);
}

.stat-divider {
  width: 1px;
  background: var(--border-subtle);
}

/* Contact Section */
.contact-section {
  text-align: center;
  background: var(--color-bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--spacing-3xl);
  margin-top: var(--spacing-2xl);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.contact-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.contact-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -15%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.contact-title {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-base);
  position: relative;
}

.contact-desc {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--gradient-primary);
  color: white;
  padding: var(--spacing-base) var(--spacing-2xl);
  border-radius: var(--radius-full);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-normal);
  position: relative;
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
}

.contact-email:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.5);
}

.contact-email:active {
  transform: translateY(-1px);
}

.contact-email svg {
  width: 20px;
  height: 20px;
}

/* Links */
.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-base);
  margin-top: var(--spacing-xl);
}

.link-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-base) var(--spacing-lg);
  background: var(--color-bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition-normal);
  font-weight: 500;
}

.link-card:hover {
  background: var(--color-primary-container);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateX(4px);
}

.link-card svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Footer */
.footer {
  text-align: center;
  padding: var(--spacing-3xl) 0;
  margin-top: var(--spacing-2xl);
  border-top: 1px solid var(--border-subtle);
}

.footer-decor {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.footer-dot {
  width: 6px;
  height: 6px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  opacity: 0.4;
}

.footer-dot.center {
  width: 12px;
  height: 12px;
  opacity: 1;
  box-shadow: 0 0 12px rgba(124, 58, 237, 0.4);
}

.footer-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  letter-spacing: 1px;
}

.footer-copyright {
  font-size: var(--font-size-xs);
  color: var(--color-text-hint);
  margin-top: var(--spacing-base);
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: var(--spacing-base);
  }
  
  .header {
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
  }
  
  .app-icon {
    width: 100px;
    height: 100px;
  }
  
  .app-name {
    font-size: var(--font-size-3xl);
    letter-spacing: 1px;
  }
  
  .app-tagline {
    font-size: var(--font-size-base);
  }
  
  .section-card {
    padding: var(--spacing-xl);
  }
  
  .contact-section {
    padding: var(--spacing-2xl);
  }
  
  .links-grid {
    grid-template-columns: 1fr;
  }
  
  .badge-container {
    flex-wrap: wrap;
  }
  
  .step-item {
    flex-direction: column;
    text-align: center;
    padding: var(--spacing-lg);
  }
  
  .showcase-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
  }
  
  .showcase-item svg {
    width: 32px;
    height: 32px;
  }
  
  .stats-row {
    flex-direction: column;
    gap: var(--spacing-lg);
  }
  
  .stat-divider {
    width: 60px;
    height: 1px;
    margin: 0 auto;
  }
}

/* Utility Classes */
.text-primary { color: var(--color-primary); }
.text-accent { color: var(--color-accent); }
.text-tertiary { color: var(--color-tertiary); }
.text-muted { color: var(--color-text-tertiary); }
.text-center { text-align: center; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.font-bold { font-weight: 600; }

/* Highlight Text with Gradient */
.highlight {
  background: linear-gradient(120deg, var(--color-primary-container) 0%, var(--color-primary-container) 100%);
  background-repeat: no-repeat;
  background-size: 100% 40%;
  background-position: 0 85%;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.animate-fadeInUp {
  animation: fadeInUp 0.6s ease-out forwards;
}

/* Print Styles */
@media print {
  body::before,
  body::after {
    display: none;
  }
  
  .section-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ddd;
  }
  
  .contact-email {
    color: var(--color-primary);
    background: none;
    box-shadow: none;
  }
  
  .app-name,
  .contact-title,
  .stat-value {
    -webkit-text-fill-color: var(--color-primary);
  }
}