/* Responsibility: 汎用ボタン、およびインターバル/ショップ画面。
 * Rule: 操作ボタンとミッション間レイアウト・ショップカードをここで管理する。
 */

#startScreen .screen-actions:not(.title-actions) {
  align-items: stretch;
}
button {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 12px 22px;
  color: #07121a;
  background: linear-gradient(90deg, #8ffff0, #c0fff8);
  font-weight: 800;
  letter-spacing: 0.08em;
  cursor: pointer;
  box-shadow: 0 14px 44px rgba(0,0,0,0.24);
}
button:hover { transform: translateY(-1px); }
button.minor {
  background: linear-gradient(90deg, #6c87a1, #8294b9);
  color: #f7fbff;
}
button[disabled] {
  cursor: not-allowed;
  filter: grayscale(0.35);
  opacity: 0.55;
  transform: none;
}
.interval-screen-card {
  width: min(1440px, calc(100vw - 24px));
  max-width: 1440px;
  max-height: calc(100dvh - 24px);
  grid-template-rows: auto auto minmax(0, 1fr) auto;
}
.interval-scrollbox {
  display: grid;
  gap: 18px;
}

#intervalLayout {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1fr 1.55fr;
  gap: 18px;
  align-items: start;
}
#summaryGrid {
  display: grid;
  gap: 12px;
}
.info-card strong {
  display: block;
  margin-top: 6px;
  font-size: 22px;
}
.info-card-detail {
  margin: 12px 0 0;
  color: #c1d7e1;
  line-height: 1.7;
  font-size: 13px;
}
.interval-mission-briefing {
  min-height: 8.5em;
}
.shop-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  gap: 12px;
}
#shopGrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(240px, 1fr));
  gap: 12px;
}
.shop-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 158px;
}
.shop-card h4 {
  margin: 0;
  font-size: 16px;
  letter-spacing: 0.04em;
}
.shop-card p {
  margin: 0;
  color: #c1d7e1;
  line-height: 1.6;
  font-size: 13px;
  flex: 1;
}
.shop-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: baseline;
  color: #ceeff8;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.shop-card .cost {
  color: #92ffce;
}
.shop-card .level {
  color: #ffe5a1;
}
.shop-card button {
  width: 100%;
}