* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f3f6fb;
  color: #172033;
}

.app {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px;
}

.hero {
  background: linear-gradient(135deg, #4776e6, #8e54e9);
  color: #fff;
  border-radius: 32px;
  padding: 36px;
  box-shadow: 0 24px 60px rgba(71, 118, 230, 0.28);
}

.badge {
  display: inline-flex;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.18);
  font-size: 13px;
  margin-bottom: 18px;
}

h1 {
  margin: 0;
  font-size: clamp(34px, 7vw, 64px);
  line-height: 1;
  letter-spacing: -0.04em;
}

.subtitle {
  max-width: 700px;
  margin: 20px 0 0;
  font-size: 20px;
  line-height: 1.45;
  opacity: 0.94;
}

main {
  margin-top: 24px;
}

.card {
  background: #fff;
  border-radius: 28px;
  padding: 24px;
  box-shadow: 0 16px 40px rgba(23, 32, 51, 0.08);
}

.today {
  margin-bottom: 24px;
}

.section-title {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: baseline;
  margin-bottom: 20px;
}

.section-title span {
  font-size: 28px;
  font-weight: 800;
}

.section-title small {
  color: #7b8496;
  font-size: 15px;
}

.timeline {
  display: grid;
  gap: 14px;
}

.item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  align-items: start;
  padding: 16px;
  border-radius: 20px;
  background: #f7f9fd;
  border: 1px solid #ecf0f7;
}

.item time {
  font-weight: 800;
  color: #4776e6;
}

.item b {
  font-size: 18px;
}

.item p {
  margin: 4px 0 0;
  color: #687284;
}

.school {
  border-left: 6px solid #4776e6;
}

.activity {
  border-left: 6px solid #21b573;
}

.personal {
  border-left: 6px solid #ffb020;
}

.birthday {
  border-left: 6px solid #ff5c8a;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.grid h2 {
  margin: 0 0 10px;
  font-size: 22px;
}

.grid p {
  margin: 0;
  color: #687284;
  line-height: 1.5;
}

.weekend {
  margin-top: 24px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chips span {
  padding: 10px 14px;
  border-radius: 999px;
  background: #eef3ff;
  color: #3156c9;
  font-weight: 700;
}

@media (max-width: 760px) {
  .app {
    padding: 14px;
  }

  .hero {
    padding: 26px;
    border-radius: 24px;
  }

  .subtitle {
    font-size: 17px;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .section-title {
    display: block;
  }

  .section-title small {
    display: block;
    margin-top: 6px;
  }

  .item {
    grid-template-columns: 58px 1fr;
  }
}