/* ============================================
   APKs Center - Custom Brand Styles
   ============================================ */

:root {
  /* Brand Colors */
  --brand-primary: #8b5cf6;      /* Purple */
  --brand-secondary: #22d3ee;    /* Cyan */
  --brand-accent: #a3e635;       /* Lime Green (Android) */
  --brand-warm: #fbbf24;         /* Amber */
  --brand-success: #22c55e;      /* Green */

  /* Background */
  --bg-primary: #050611;
  --bg-secondary: #0b1022;
  --bg-tertiary: #080a16;

  /* Text Colors */
  --text-primary: #f8fafc;
  --text-secondary: #b2b8cb;
  --text-muted: #6b7280;

  /* Border & Lines */
  --border-color: rgba(255, 255, 255, 0.10);
  --border-color-hover: rgba(255, 255, 255, 0.20);

  /* Effects */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.5);

  /* Brand Gradient */
  --gradient-brand: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  --gradient-android: linear-gradient(135deg, var(--brand-accent), var(--brand-success));
  --gradient-warm: linear-gradient(135deg, #f59e0b, var(--brand-warm));
}

/* ============================================
   Logo & Branding
   ============================================ */

.logo-animated {
  transition: transform 0.3s ease, filter 0.3s ease;
}

.logo-animated:hover {
  transform: scale(1.05) rotate(2deg);
  filter: drop-shadow(0 0 20px rgba(139, 92, 246, 0.6));
}

.brand-title {
  font-family: 'Space Grotesk', 'Cairo', sans-serif;
  font-weight: 700;
  font-size: 24px;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.5px;
}

.brand-tagline {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.3px;
}

/* ============================================
   Custom Badges & Pills
   ============================================ */

.badge-apk {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(34, 211, 238, 0.2));
  border: 1px solid rgba(139, 92, 246, 0.4);
  color: #e9d5ff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.badge-android {
  background: var(--gradient-android);
  border: 1px solid rgba(163, 230, 53, 0.3);
  color: #fff;
}

.badge-new {
  background: linear-gradient(135deg, #ef4444, #f97316);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fff;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.05); }
}

/* ============================================
   Custom Buttons
   ============================================ */

.btn-brand {
  background: var(--gradient-brand);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  font-weight: 700;
  padding: 12px 24px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(139, 92, 246, 0.3);
}

.btn-brand:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 40px rgba(139, 92, 246, 0.5);
  filter: brightness(1.1);
}

.btn-download {
  background: var(--gradient-android);
  box-shadow: 0 10px 30px rgba(163, 230, 53, 0.3);
}

.btn-download:hover {
  box-shadow: 0 15px 40px rgba(163, 230, 53, 0.5);
}

/* ============================================
   App Cards
   ============================================ */

.app-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04));
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 20px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.app-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-brand);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.app-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-lg);
}

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

.app-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease;
}

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

/* ============================================
   Category Pills
   ============================================ */

.category-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
}

.category-pill:hover {
  background: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.4);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.category-pill.active {
  background: var(--gradient-brand);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 8px 20px rgba(139, 92, 246, 0.4);
}

/* ============================================
   Stats Counter
   ============================================ */

.stat-card {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(34, 211, 238, 0.1));
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
}

.stat-number {
  font-size: 36px;
  font-weight: 700;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

/* ============================================
   Hero Section
   ============================================ */

.hero-gradient {
  position: relative;
  background:
    radial-gradient(900px circle at 20% -10%, rgba(139, 92, 246, 0.25), transparent 60%),
    radial-gradient(850px circle at 90% -15%, rgba(34, 211, 238, 0.18), transparent 58%),
    radial-gradient(900px circle at 50% 115%, rgba(163, 230, 53, 0.12), transparent 62%),
    var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 48px 32px;
  overflow: hidden;
}

.hero-gradient::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.4;
  pointer-events: none;
}

.hero-title {
  font-size: 42px;
  font-weight: 700;
  background: linear-gradient(135deg, #fff, var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
  line-height: 1.2;
}

/* ============================================
   Loading Spinner
   ============================================ */

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(139, 92, 246, 0.2);
  border-top-color: var(--brand-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   Toast Notifications
   ============================================ */

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px 20px;
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 300px;
}

.toast.success {
  border-left: 4px solid var(--brand-success);
}

.toast.error {
  border-left: 4px solid #ef4444;
}

.toast.info {
  border-left: 4px solid var(--brand-secondary);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
  .brand-title {
    font-size: 20px;
  }

  .hero-title {
    font-size: 32px;
  }

  .stat-number {
    font-size: 28px;
  }
}

/* ============================================
   Dark Mode Enhancements
   ============================================ */

@media (prefers-color-scheme: dark) {
  /* Already optimized for dark mode */
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
  .hero-gradient,
  .app-card {
    break-inside: avoid;
  }
}

/* ============================================
   Accessibility
   ============================================ */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

*:focus-visible {
  outline: 3px solid rgba(139, 92, 246, 0.6);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ============================================
   Animation Utilities
   ============================================ */

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.5s ease-out;
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

.slide-in-left {
  animation: slideInLeft 0.6s ease-out;
}

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

.slide-in-right {
  animation: slideInRight 0.6s ease-out;
}

/* ============================================
   Rating & Reviews Styles (APKPure-like)
   ============================================ */

.rating-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.2), rgba(245, 158, 11, 0.2));
  border: 1px solid rgba(251, 191, 36, 0.4);
  color: #fbbf24;
  font-weight: 600;
}

.rating-badge svg {
  color: #fbbf24;
  fill: #fbbf24;
}

.rating-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 8px 0;
}

.rating-bar .stars {
  display: flex;
  gap: 2px;
}

.rating-bar .star {
  transition: transform 0.2s ease;
}

.rating-bar .star.filled {
  fill: #fbbf24;
  color: #fbbf24;
}

.rating-bar .star.half {
  fill: url(#half-star-gradient);
  color: #fbbf24;
}

.rating-bar .star.empty {
  fill: #4b5563;
  color: #4b5563;
}

.rating-bar:hover .star {
  transform: scale(1.1);
}

.rating-count {
  color: var(--text-muted);
  font-size: 12px;
}

.downloads-highlight {
  color: var(--brand-success);
  font-weight: 600;
}

.developer-link {
  transition: color 0.2s ease;
}

.developer-link:hover {
  color: var(--brand-secondary);
}

/* Stats highlight card */
.stat-card.highlight {
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.1), rgba(245, 158, 11, 0.05));
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.stat-card.highlight .stat-value {
  color: #fbbf24;
}

.stat-card.highlight .stat-value small {
  color: var(--text-muted);
  font-size: 14px;
}

/* Primary Download Button */
.btn.primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient-brand);
  color: #fff;
  padding: 12px 24px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(139, 92, 246, 0.5);
  color: #fff;
}

.btn.primary svg {
  width: 18px;
  height: 18px;
}

/* App icon larger size */
.app-icon img {
  width: 72px;
  height: 72px;
  border-radius: 16px;
}

/* ============================================