/* ========================================
   GreenGetWare - Modern Design System
   ======================================== */

/* CSS Variables */
:root {
  /* Colors */
  --primary: #39d353;
  --primary-dark: #176f3c;
  --primary-gradient: linear-gradient(135deg, #39d353 0%, #176f3c 100%);
  --accent: #00c9ff;
  --accent-alt: #92fe9d;
  
  /* Light Theme */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.85);
  --text-primary: #1a1a2e;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --border-color: rgba(0, 0, 0, 0.08);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 40px rgba(57, 211, 83, 0.15);
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Theme */
[data-bs-theme="dark"] {
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-card: rgba(26, 26, 46, 0.9);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: rgba(255, 255, 255, 0.08);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 60px rgba(57, 211, 83, 0.2);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Navbar Glassmorphism */
.navbar-glass {
  background: var(--bg-card);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.navbar-glass .navbar-brand {
  font-weight: 700;
  color: var(--text-primary) !important;
  transition: transform var(--transition-fast);
}

.navbar-glass .navbar-brand:hover {
  transform: scale(1.02);
}

.navbar-glass .nav-link {
  color: var(--text-secondary) !important;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.navbar-glass .nav-link:hover {
  color: var(--primary-dark) !important;
  background: rgba(57, 211, 83, 0.1);
}

/* Theme Toggle Button */
.theme-toggle {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  border: 2px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  border-color: var(--primary);
  transform: rotate(15deg) scale(1.05);
  box-shadow: var(--shadow-glow);
}

/* Hero Section */
.hero-section {
  position: relative;
  background: var(--primary-gradient);
  padding: var(--space-3xl) 0 var(--space-2xl);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(255,255,255,0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 0%, transparent 40%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: #fff;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
  margin-bottom: var(--space-md);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0 auto;
}

/* Cards - Glassmorphism */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.glass-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

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

/* App Logo */
.app-logo {
  width: 72px;
  height: 72px;
  object-fit: contain;
  border-radius: var(--radius-md);
  padding: 8px;
  background: var(--bg-secondary);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base);
}

.glass-card:hover .app-logo {
  transform: scale(1.1) rotate(-3deg);
}

/* App Header (Detail Pages) */
.app-header {
  position: relative;
  background: var(--primary-gradient);
  color: #fff;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  padding: var(--space-2xl) 0 var(--space-xl);
  margin-bottom: var(--space-xl);
  overflow: hidden;
}

.app-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 30% 70%, rgba(255,255,255,0.12) 0%, transparent 50%),
    radial-gradient(circle at 70% 30%, rgba(255,255,255,0.08) 0%, transparent 40%);
  pointer-events: none;
}

.app-logo-lg {
  width: 100px;
  height: 100px;
  object-fit: contain;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  padding: 12px;
  position: relative;
  z-index: 2;
  transition: transform var(--transition-base);
}

.app-logo-lg:hover {
  transform: scale(1.05) rotate(-2deg);
}

/* Badges */
.badge-modern {
  background: rgba(57, 211, 83, 0.15);
  color: var(--primary-dark);
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  border: 1px solid rgba(57, 211, 83, 0.2);
  transition: all var(--transition-fast);
}

[data-bs-theme="dark"] .badge-modern {
  background: rgba(57, 211, 83, 0.2);
  color: var(--primary);
  border-color: rgba(57, 211, 83, 0.3);
}

.badge-modern:hover {
  background: var(--primary);
  color: #fff;
  transform: scale(1.05);
}

/* Buttons */
.btn-glow {
  background: var(--primary-gradient);
  color: #fff;
  border: none;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: 0 4px 15px rgba(57, 211, 83, 0.3);
}

.btn-glow::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s ease;
}

.btn-glow:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(57, 211, 83, 0.4);
  color: #fff;
}

.btn-glow:hover::before {
  left: 100%;
}

.btn-glow:active {
  transform: translateY(0);
}

/* Download Button */
.download-btn {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--primary-gradient);
  color: #fff !important;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-base);
  box-shadow: 0 4px 15px rgba(57, 211, 83, 0.25);
}

.download-btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 25px rgba(57, 211, 83, 0.35);
}

.download-btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary) !important;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.download-btn-secondary:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

/* Search Input */
.search-input {
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  font-size: 1rem;
  color: var(--text-primary);
  transition: all var(--transition-base);
  width: 100%;
}

.search-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(57, 211, 83, 0.15);
}

.search-input::placeholder {
  color: var(--text-muted);
}

/* Feature List */
.feature-list {
  list-style: none;
  padding: 0;
}

.feature-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
  font-size: 1.1rem;
}

/* Alert Modern */
.alert-modern {
  background: rgba(57, 211, 83, 0.1);
  border: 1px solid rgba(57, 211, 83, 0.2);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  color: var(--primary-dark);
}

[data-bs-theme="dark"] .alert-modern {
  background: rgba(57, 211, 83, 0.15);
  color: var(--primary);
}

.alert-info-modern {
  background: rgba(0, 201, 255, 0.1);
  border-color: rgba(0, 201, 255, 0.2);
  color: #0284c7;
}

[data-bs-theme="dark"] .alert-info-modern {
  color: var(--accent);
}

/* Footer */
.footer-modern {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--space-xl) 0;
  margin-top: var(--space-3xl);
}

.footer-modern a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-modern a:hover {
  color: var(--primary-dark);
}

/* Skip Link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  left: var(--space-md);
  top: var(--space-md);
  width: auto;
  height: auto;
  background: var(--text-primary);
  color: var(--bg-primary);
  padding: var(--space-sm) var(--space-md);
  z-index: 9999;
  border-radius: var(--radius-sm);
}

/* Back Link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--primary-dark);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.back-link:hover {
  color: var(--primary);
  transform: translateX(-4px);
}

/* PayPal Button */
.paypal-btn-modern {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: linear-gradient(135deg, #0070ba 0%, #003087 100%);
  color: #fff;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(0, 112, 186, 0.3);
  transition: all var(--transition-base);
}

.paypal-btn-modern:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 112, 186, 0.4);
  color: #fff;
}

/* QRIS Image */
.qris-image {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base);
}

.qris-image:hover {
  transform: scale(1.02);
}

/* Visitor Badge */
.visitor-badge {
  background: rgba(57, 211, 83, 0.15);
  color: var(--primary-dark);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
}

[data-bs-theme="dark"] .visitor-badge {
  background: rgba(57, 211, 83, 0.2);
  color: var(--primary);
}

/* Section Titles */
.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
}

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

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* Responsive */
@media (max-width: 768px) {
  .hero-section {
    padding: var(--space-2xl) 0 var(--space-xl);
  }
  
  .glass-card {
    padding: var(--space-md);
  }
  
  .app-logo {
    width: 60px;
    height: 60px;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
}

/* ========================================
   Particle Sphere Container
   ======================================== */
.particle-sphere-container {
  position: relative;
  width: 100%;
  height: 350px;
  margin: var(--space-xl) 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: linear-gradient(135deg, rgba(15, 15, 26, 0.95) 0%, rgba(26, 26, 46, 0.9) 100%);
  box-shadow: 
    var(--shadow-lg),
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    0 0 60px rgba(57, 211, 83, 0.1);
  cursor: pointer;
  transition: box-shadow var(--transition-base);
}

.particle-sphere-container:hover {
  box-shadow: 
    var(--shadow-lg),
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 0 80px rgba(57, 211, 83, 0.2);
}

.particle-sphere-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.particle-sphere-title {
  position: absolute;
  top: var(--space-lg);
  left: var(--space-lg);
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
  font-weight: 600;
  z-index: 2;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.particle-sphere-badge {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  background: rgba(57, 211, 83, 0.2);
  color: var(--primary);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  z-index: 2;
  border: 1px solid rgba(57, 211, 83, 0.3);
}

@media (max-width: 768px) {
  .particle-sphere-container {
    height: 280px;
  }
  
  .particle-sphere-title {
    font-size: 0.95rem;
  }
}

/* ========================================
   Particle Sphere Controls
   ======================================== */
.particle-sphere-controls {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-md);
  z-index: 10;
}

.sphere-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  padding: 10px 18px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
}

.sphere-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.sphere-btn:active,
.sphere-btn.active {
  transform: scale(0.95);
}

.sphere-btn-explode:hover {
  background: rgba(255, 100, 100, 0.3);
  border-color: rgba(255, 100, 100, 0.5);
  box-shadow: 0 0 20px rgba(255, 100, 100, 0.3);
}

.sphere-btn-rewind:hover {
  background: rgba(0, 201, 255, 0.3);
  border-color: rgba(0, 201, 255, 0.5);
  box-shadow: 0 0 20px rgba(0, 201, 255, 0.3);
}

.sphere-btn svg {
  width: 18px;
  height: 18px;
}

@media (max-width: 576px) {
  .particle-sphere-controls {
    gap: var(--space-sm);
  }
  
  .sphere-btn {
    padding: 8px 14px;
    font-size: 0.8rem;
  }
  
  .sphere-btn span {
    display: none;
  }
  
  .sphere-btn svg {
    width: 20px;
    height: 20px;
  }
}

.sphere-btn-reset:hover {
  background: rgba(57, 211, 83, 0.3);
  border-color: rgba(57, 211, 83, 0.5);
  box-shadow: 0 0 20px rgba(57, 211, 83, 0.3);
}