* { box-sizing: border-box; }

.top-page {
  margin: 0;
  min-height: 100vh;
  background: #10171c;
  color: #eef5f8;
  font-family: sans-serif;
}

.top-page__main {
  width: min(100% - 2rem, 80rem);
  margin-inline: auto;
  padding-block: clamp(1.5rem, 4vw, 3rem);
}

.top-page__title { margin: 0 0 2rem; }

.top-page__section {
  margin-top: 2rem;
  border: 1px solid #51606b;
  border-radius: 1rem;
  padding: clamp(1rem, 3vw, 2rem);
  background: #19252d;
}

.top-page__section h2 { margin: 0 0 1rem; }

.top-page__subjects {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.top-page__subject {
  display: grid;
  min-height: 6rem;
  place-items: center;
  border: .12rem solid #66f08f;
  border-radius: 1rem;
  padding: 1rem;
  background: linear-gradient(180deg, #258c4c, #126532);
  color: #f4fff7;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 800;
  text-align: center;
  text-decoration: none;
  transition: transform 100ms ease, box-shadow 100ms ease;
}

.top-page__subject:hover,
.top-page__subject:focus-visible {
  outline: none;
  transform: scale(1.03);
  box-shadow: 0 0 .75rem #5dff91;
}

.top-page__settings { display: grid; }

.top-page__setting {
  display: grid;
  grid-template-columns: minmax(10rem, 1fr) minmax(0, 3fr);
  align-items: center;
  gap: 1rem;
  margin: 0;
  border: 0;
  border-top: 1px solid #51606b;
  padding: 1rem 0;
}

.top-page__setting:last-child { border-bottom: 1px solid #51606b; }

.top-page__setting legend {
  grid-column: 1;
  padding: 0;
  font-size: 1.25rem;
  font-weight: 700;
}

.top-page__choices {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.5rem;
  font-size: 1.2rem;
}

.top-page__choices label {
  display: flex;
  align-items: center;
  gap: .4rem;
  cursor: pointer;
}

.top-page__choices input {
  width: 1.25rem;
  height: 1.25rem;
  margin: 0;
  accent-color: #56ef85;
}

.top-page__choices label:has(input:focus-visible) {
  border-radius: .3rem;
  outline: .15rem solid #fff;
  outline-offset: .25rem;
}

.top-page__status {
  min-height: 1.5em;
  margin: .75rem 0 0;
  color: #ffbd66;
}

@media (max-width: 56rem) {
  .top-page__subjects { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 36rem) {
  .top-page__subjects { grid-template-columns: 1fr; }
  .top-page__setting { grid-template-columns: 1fr; }
  .top-page__setting legend,
  .top-page__choices { grid-column: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .top-page__subject { transition: none; }
}