.ms-hero {
  display: grid;
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  padding-block: clamp(32px, 6vw, 80px) clamp(40px, 6vw, 80px);
}
@media (min-width: 960px) {
  .ms-hero { grid-template-columns: minmax(0, 1fr) minmax(0, 500px); }
}
.ms-hero__icon { width: clamp(112px, 13vw, 160px); border-radius: clamp(26px, 3vw, 36px); }
.ms-hero h1 {
  margin: 20px 0 12px;
  font-size: clamp(2.25rem, 1.5rem + 3.4vw, 4rem);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -0.03em;
}
.ms-hero__lead {
  margin: 0;
  max-width: var(--measure);
  font-size: clamp(1.0625rem, 1rem + 0.35vw, 1.25rem);
  color: var(--text-muted);
}
.ms-hero__status { margin-top: 20px; }

.ms-play {
  padding: clamp(12px, 2.4vw, 22px);
  border-radius: 28px;
  background: var(--mine-sky) var(--mine-bg) center / cover no-repeat;
}
.ms-play__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  color: var(--mine-ink);
}
.ms-play__count { font-weight: 800; font-size: 1.125rem; font-variant-numeric: tabular-nums; }
.ms-play__restart {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 9px 18px;
  background: #2a1617;
  color: #fff;
  font: inherit;
  font-weight: 700;
  font-size: 0.9375rem;
  cursor: pointer;
}
.ms-grid {
  display: grid;
  aspect-ratio: 1;
  grid-template-columns: repeat(8, 1fr);
  gap: 3px;
  padding: 8px;
  border-radius: 16px;
  background: var(--mine-well);
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}
.ms-grid button {
  appearance: none;
  border: 0;
  padding: 0;
  margin: 0;
  background-color: transparent;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.ms-grid button.is-holding { transform: scale(0.84); transition: transform 480ms linear; }
.ms-grid button:focus-visible { outline-offset: 1px; border-radius: 4px; }
.ms-play__status { min-height: 1.7em; margin: 12px 2px 0; font-weight: 700; color: var(--mine-ink); }
.ms-play__keys {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin: 8px 2px 0;
  padding: 0;
  list-style: none;
  font-size: 0.875rem;
  color: var(--mine-ink-dim);
}
.ms-play__keys li { display: flex; align-items: center; gap: 8px; }
.ms-play__keys .t { width: 22px; }
@media (hover: none) { .ms-play__keys .ms-kbd { display: none; } }

.ms-features {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: clamp(36px, 5vw, 56px) 0 0;
  list-style: none;
}
@media (min-width: 760px) { .ms-features { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.ms-features > li {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
}
.ms-features__stage {
  position: relative;
  display: grid;
  place-items: center;
  height: 176px;
  padding: 20px;
  background: repeating-linear-gradient(135deg, var(--mine-sky) 0 18px, #f7c938 18px 36px);
}
.ms-features__body { padding: 22px 24px 26px; }
.ms-features__kick { margin: 0 0 6px; color: var(--accent); font-size: 0.8125rem; font-weight: 800; letter-spacing: 0.04em; }
.ms-features h2 { margin: 0 0 8px; font-size: 1.3125rem; font-weight: 900; line-height: 1.35; letter-spacing: -0.01em; }
.ms-features__body > p:not(.ms-features__kick) { margin: 0; color: var(--text-muted); font-size: 0.9375rem; }
.ms-features__chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 16px 0 0; padding: 0; list-style: none; }
.ms-features__chips li { padding: 4px 11px; border-radius: 999px; background: #f3ebe3; color: var(--text); font-size: 0.8125rem; font-weight: 700; line-height: 1.6; }
.ms-features__chips .is-on { background: var(--text); color: #fff; }

.ms-features__board,
.ms-features__size { background: var(--mine-well); box-shadow: 0 18px 40px -28px rgba(54, 28, 29, 0.45); }
.ms-features__board { display: grid; grid-template-columns: repeat(6, 1fr); gap: 3px; width: min(100%, 228px); padding: 7px; border-radius: 12px; }
.ms-features__board .t { border-radius: 4px; }
.ms-features__sizes { display: flex; align-items: flex-end; gap: 12px; }
.ms-features__size { display: grid; gap: 2px; padding: 5px; border-radius: 9px; }
.ms-features__size .t { border-radius: 2px; }
.ms-features__size--3 { width: 54px; grid-template-columns: repeat(3, 1fr); }
.ms-features__size--4 { width: 76px; grid-template-columns: repeat(4, 1fr); }
.ms-features__size--5 { width: 100px; grid-template-columns: repeat(5, 1fr); }
.ms-features__max {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.75rem;
  font-weight: 800;
  line-height: 1.5;
}
.ms-features__themes { display: flex; gap: 10px; }
.ms-features__theme {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 88px;
  padding: 12px 6px 10px;
  border: 1px solid;
  border-radius: 14px;
  box-shadow: 0 18px 40px -28px rgba(54, 28, 29, 0.45);
}
.ms-features__theme .t { width: 30px; border-radius: 5px; }
.ms-features__theme b { font-size: 0.6875rem; line-height: 1.25; text-align: center; }
.ms-features__theme--alpine { border-color: #96bedc; background: #e0f2fd; color: #1a1c26; }
.ms-features__theme--night { border-color: #3c6092; background: #142242; color: #e2eefa; }
.ms-features__theme--espresso { border-color: #c8a564; background: #fff4d2; color: #3a281a; }

.ms-help { margin-top: 18px; padding: 22px 24px; border: 1px solid var(--line); border-radius: 24px; background: var(--surface); }
.ms-help h2 { margin: 0 0 14px; font-size: 1.0625rem; font-weight: 800; }
.ms-help ul { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
@media (min-width: 760px) { .ms-help ul { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.ms-help a {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg);
  text-decoration: none;
  transition: border-color 150ms ease;
}
.ms-help a:hover { border-color: var(--text); }
.ms-help__icon { display: grid; place-items: center; flex: none; width: 40px; height: 40px; border-radius: 12px; background: var(--mine-sky); color: var(--mine-ink); }
.ms-help__icon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.ms-help__text { display: grid; flex: 1; min-width: 0; line-height: 1.45; }
.ms-help__text b { font-size: 0.9375rem; }
.ms-help__text small { color: var(--text-muted); font-size: 0.8125rem; }
.ms-help__arrow { flex: none; width: 16px; height: 16px; fill: none; stroke: var(--text-muted); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }