:root {
  --primary-color: #5E72E4;
  --secondary-color: #825EE4;
  --success-color: #2DCE89;
  --error-color: #F5365C;
  --text-primary: #32325D;
  --text-secondary: #8B92A8;
  --background: #FFFFFF;
  --surface: #F4F5F7;
  --border-color: #E5E7EB;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  --border-radius: 12px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text-primary);
  background: #FFFFFF;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  margin: 0;
}

.container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  text-align: center;
}

@media (max-width: 640px) {
  .container {
    padding: 20px;
  }
}

.background-pattern {
  display: none;
}

.content-card {
  max-width: 600px;
  width: 100%;
  text-align: center;
}

.logo {
  width: 160px;
  height: 160px;
  margin: 0 auto 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.title {
  font-size: 48px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.subtitle {
  font-size: 24px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.5;
}


.message {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.button-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 18px 40px;
  border-radius: 50px;
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  width: 100%;
  gap: 12px;
}

.button-primary {
  background: var(--primary-color);
  color: white;
  border: none;
}

.button-primary:hover {
  background: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.button-secondary {
  background: var(--surface);
  color: var(--primary-color);
  border: 1px solid var(--border-color);
}

.button-secondary:hover {
  background: var(--surface);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.store-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.store-button {
  display: inline-flex;
  align-items: center;
  padding: 16px 36px;
  background: #000000;
  color: white;
  border-radius: 50px;
  text-decoration: none;
  font-size: 17px;
  font-weight: 600;
  transition: var(--transition);
  gap: 10px;
  flex: 1;
  justify-content: center;
  min-width: 200px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border: 2px solid transparent;
}

.store-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.store-button.google-play {
  background: #000000;
}

.store-button.google-play:hover {
  background: #1a1a1a;
}

.store-button.galaxy-store {
  background: linear-gradient(45deg, #FF6B6B, #FF8E53);
}

.store-button.galaxy-store:hover {
  background: linear-gradient(45deg, #FF5252, #FF7043);
}

.divider {
  display: flex;
  align-items: center;
  margin: 24px 0;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

.divider span {
  padding: 0 16px;
  color: var(--text-secondary);
  font-size: 14px;
}

.footer {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
}

.footer-text {
  font-size: 16px;
  color: var(--text-secondary);
}

@media (max-width: 640px) {
  .footer-text {
    font-size: 14px;
  }
}

.hidden {
  display: none !important;
}

/* App install message animation */
#app-install-message {
  animation: fadeInUp 0.5s ease-out;
}

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

/* Button pulse animation for attention */
.store-button {
  animation: subtle-pulse 2s ease-in-out infinite;
}

@keyframes subtle-pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.02);
  }
  100% {
    transform: scale(1);
  }
}

.store-button:hover {
  animation: none;
}

/* Tablet */
@media (max-width: 1024px) {
  .title {
    font-size: 40px;
  }
  
  .subtitle {
    font-size: 20px;
  }
  
  .logo {
    width: 140px;
    height: 140px;
  }
}

/* Mobile */
@media (max-width: 640px) {
  .title {
    font-size: 32px;
  }
  
  .subtitle {
    font-size: 18px;
  }
  
  .logo {
    width: 120px;
    height: 120px;
  }
  
  
  .message {
    font-size: 16px;
  }
  
  .button {
    padding: 16px 32px;
    font-size: 16px;
  }
  
  .store-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .store-button {
    width: 100%;
    min-width: unset;
    font-size: 14px;
    padding: 12px 24px;
  }
}

/* Large Desktop */
@media (min-width: 1440px) {
  .title {
    font-size: 56px;
  }
  
  .subtitle {
    font-size: 28px;
  }
  
  .logo {
    width: 180px;
    height: 180px;
  }
  
  
  .message {
    font-size: 20px;
  }
  
  .button {
    font-size: 20px;
    padding: 20px 48px;
  }
  
  .store-button {
    font-size: 18px;
    padding: 16px 40px;
  }
}