:root {
  --primary-color: #4CAF50;
  --primary-color-dark: #388E3C;
  --box-shadow-primary: rgb(139 195 74 / 38%);
  --text-color: #000;
  --bg-color: #fff;
  --icon-size: 25px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-color);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.app-preview {
  text-align: center;
  padding: 40px;
}

.app-preview__icon {
  width: 150px;
  height: 150px;
  border-radius: 30px;
  margin: 0 auto 3rem;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
}

.app-preview__title {
  font-size: 28px;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 2rem;
}

.app-preview__button {
  display: inline-block;
  background: var(--primary-color);
  color: var(--bg-color);
  padding: 15px 30px;
  border-radius: 25px;
  text-decoration: none;
  font-size: 18px;
  font-weight: 600;
  margin-top: 20px;
  box-shadow: 0 4px 15px var(--box-shadow-primary);
  transition: all 0.3s ease;
}

.app-preview__button:hover {
  background: var(--primary-color-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--box-shadow-primary);
}

.help-popup {
  position: absolute;
  top: 30px;
  background: var(--bg-color);
  border-radius: 20px;
  padding: 20px;
  max-width: 350px;
  width: 80%;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  z-index: 1000;
  font-size: 18px;
  line-height: 1.4;
  color: var(--text-color);
}

.help-popup::after {
  content: '';
  position: absolute;
  top: -10px;
  right: 10px;
  width: 0;
  height: 0;
  border-left: 15px solid transparent;
  border-right: 15px solid transparent;
  border-bottom: 15px solid var(--bg-color);
}

.help-popup__text {
  display: inline;
}

.help-popup__highlight {
  color: var(--primary-color);
  font-weight: bold;
}

.icon {
  display: inline-block;
  width: var(--icon-size);
  height: var(--icon-size);
  margin: 0 5px;
  vertical-align: middle;
}

.icon--tiktok {
  background-image: url('../logos/tiktok.webp');
  background-size: 80%;
  background-position: center;
  background-repeat: no-repeat;
  border-radius: 50%;
}

.icon--menu {
  background: #666;
  border-radius: 50%;
  position: relative;
}

.icon--menu::after {
  content: '⋯';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--bg-color);
  font-size: 14px;
  font-weight: bold;
}