* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #f8fafc;
  background:
    radial-gradient(circle at top, rgba(59, 130, 246, 0.22), transparent 32rem),
    linear-gradient(180deg, #0f172a 0%, #020617 100%);
}

.app {
  width: min(720px, 100%);
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.hero {
  text-align: center;
  padding: 28px 0 20px;
}

.theme {
  margin: 0 0 8px;
  color: #93c5fd;
  font-size: 13px;
  letter-spacing: 0.08em;
}

h1 {
  margin: 0;
  font-size: clamp(32px, 8vw, 52px);
  letter-spacing: 0.04em;
}

.lead {
  margin: 12px auto 20px;
  color: #cbd5e1;
  line-height: 1.8;
}

.primary-button {
  border: 0;
  border-radius: 999px;
  padding: 12px 20px;
  color: #0f172a;
  background: #facc15;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 10px 28px rgba(250, 204, 21, 0.25);
}

.primary-button:disabled {
  opacity: 0.6;
  cursor: wait;
}

.hidden {
  display: none;
}

.game-card,
.action-area,
.log-box,
.ending {
  margin-top: 16px;
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 24px;
  background: rgba(15, 23, 42, 0.78);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(12px);
}

.game-card {
  padding: 18px;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(147, 197, 253, 0.35);
  border-radius: 999px;
  padding: 5px 10px;
  color: #bfdbfe;
  background: rgba(30, 64, 175, 0.24);
  font-size: 12px;
}

.scenario-title {
  margin: 8px 0;
  font-size: 26px;
}

.goal {
  margin: 0 0 14px;
  color: #fde68a;
  line-height: 1.7;
}

.novel-window {
  min-height: 180px;
  border-radius: 20px;
  padding: 18px;
  background:
    linear-gradient(180deg, rgba(2, 6, 23, 0.2), rgba(2, 6, 23, 0.72)),
    rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.24);
}

.novel-window p {
  margin: 0;
  font-size: 16px;
  line-height: 2;
  white-space: pre-wrap;
}

.side-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 14px;
}

.side-info h3,
.choices-wrap h3 {
  margin: 0 0 8px;
  font-size: 14px;
  color: #cbd5e1;
}

.item-list,
.status-summary {
  margin: 0;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(2, 6, 23, 0.36);
  color: #e2e8f0;
  list-style-position: inside;
  line-height: 1.7;
}

.choices-wrap {
  margin-top: 14px;
}

.choices {
  display: grid;
  gap: 8px;
}

.choice-button {
  width: 100%;
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: 16px;
  padding: 12px 14px;
  color: #e2e8f0;
  background: rgba(30, 41, 59, 0.9);
  text-align: left;
  cursor: pointer;
}

.choice-button:hover {
  background: rgba(51, 65, 85, 0.95);
}

.action-area {
  padding: 16px;
}

.ending-action {
  padding: 16px;
  display: hidden;
  justify-content: center;
}

.flex {
  display: flex;
}

.action-area label {
  display: block;
  margin-bottom: 8px;
  color: #cbd5e1;
  font-weight: 700;
}

.action-form {
  display: flex;
  gap: 8px;
}

#actionInput {
  flex: 1;
  min-width: 0;
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: 999px;
  padding: 12px 14px;
  color: #f8fafc;
  background: rgba(2, 6, 23, 0.64);
  outline: none;
}

#actionInput::placeholder {
  color: #64748b;
}

.ending {
  padding: 18px;
}

.ending:empty {
  display: none;
}

.ending h2 {
  margin: 0 0 10px;
  color: #facc15;
}

.ending p {
  margin: 0;
  line-height: 2;
  white-space: pre-wrap;
}

.log-box {
  padding: 14px 16px;
  color: #cbd5e1;
}

.log-box summary {
  cursor: pointer;
  font-weight: 700;
}

#log article {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(148, 163, 184, 0.18);
}

#log p {
  margin: 6px 0;
  line-height: 1.7;
}

.debug {
  margin-top: 16px;
  color: #64748b;
  white-space: pre-wrap;
  font-size: 11px;
}

@media (max-width: 640px) {
  .side-info {
    grid-template-columns: 1fr;
  }

  .action-form {
    flex-direction: column;
  }

  .primary-button {
    width: 100%;
  }
}


.scene-block + .scene-block {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(148, 163, 184, 0.2);
}

.scene-label {
  margin: 0 0 6px;
  color: #93c5fd;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.scene-block p:last-child {
  margin: 0;
}


.game-end-notice {
  border: 1px solid rgba(250, 204, 21, 0.35);
  border-radius: 16px;
  padding: 14px;
  color: #fde68a;
  background: rgba(113, 63, 18, 0.28);
  line-height: 1.8;
}