/* Design System Composites — メログラフィ / Phase 2 設計
   primitives.css と motion.css のトークンを利用する。
   いずれもトークンが未定義でも壊れないよう、安全なフォールバック値を付ける。
*/

/* ============================================================
   1) DSScreenLayout (.ds-screen)
   ============================================================ */
.ds-screen {
  position: relative;
  width: 100%;
  min-height: 100%;
  overflow: hidden;
  color: var(--ds-color-ink, #f4ecd8);
  font-family: var(--ds-font-jp, 'Noto Serif JP', serif);
  background-color: var(--ds-color-bg, #0b0710);
}
.ds-screen__vignette {
  position: absolute; inset: 0;
  pointer-events: none;
  background: radial-gradient(
    ellipse at center,
    transparent 40%,
    rgba(0,0,0,.55) 90%,
    rgba(0,0,0,.85) 100%
  );
  z-index: 1;
}
.ds-screen__runes,
.ds-screen__particles {
  position: absolute; inset: 0;
  pointer-events: none;
  z-index: 2;
}
.ds-screen__hud {
  position: absolute; top: 0; left: 0; right: 0;
  z-index: 5;
}
.ds-screen__body {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 100%;
  padding: var(--ds-space-lg, 24px);
  box-sizing: border-box;
}
.ds-screen__footer {
  position: relative;
  z-index: 4;
  width: 100%;
  padding: var(--ds-space-md, 16px) var(--ds-space-lg, 24px);
  text-align: center;
  font-size: var(--ds-font-sm, .9rem);
  color: var(--ds-color-ink-dim, rgba(244,236,216,.7));
}

/* ============================================================
   2) DSChoiceGrid (.ds-choice-grid)
   ============================================================ */
.ds-choice-grid {
  display: grid;
  gap: var(--ds-gap-cards, var(--ds-space-md, 16px));
  width: 100%;
  max-width: var(--ds-container-md, 960px);
  margin: 0 auto;
  align-items: stretch;
}
.ds-choice-grid--scroll {
  /* 縦に長い選択リスト用 */
}
.ds-choice-grid--compact {
  gap: var(--ds-space-sm, 8px);
}
.ds-choice-grid__cell {
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform var(--ds-motion-fast, 180ms) var(--ds-easing-out, ease-out);
}
.ds-choice-grid__cell:hover { transform: translateY(-2px); }
.ds-choice-grid__cell.is-selected {
  outline: 2px solid var(--ds-color-gold, #c9a85a);
  outline-offset: 4px;
  border-radius: var(--ds-radius-md, 10px);
}
.ds-choice-grid__fallback {
  appearance: none;
  border: 1px solid var(--ds-color-gold-dim, rgba(201,168,90,.5));
  background: var(--ds-color-panel, rgba(20,15,28,.75));
  color: var(--ds-color-ink, #f4ecd8);
  padding: var(--ds-space-md, 16px);
  font-family: inherit;
  border-radius: var(--ds-radius-md, 10px);
  cursor: pointer;
}
.ds-choice-grid__fallback.is-selected {
  border-color: var(--ds-color-gold, #c9a85a);
  box-shadow: 0 0 12px rgba(201,168,90,.5);
}

@media (max-width: 720px) {
  .ds-choice-grid { grid-template-columns: 1fr !important; }
}

/* ============================================================
   3) DSCTAGroup (.ds-cta-group)
   ============================================================ */
.ds-cta-group {
  display: flex;
  flex-wrap: wrap;
}
.ds-cta-group--horizontal { flex-direction: row; }
.ds-cta-group--vertical   { flex-direction: column; }

.ds-cta-group--align-start  { justify-content: flex-start; align-items: flex-start; }
.ds-cta-group--align-center { justify-content: center;     align-items: center; }
.ds-cta-group--align-end    { justify-content: flex-end;   align-items: flex-end; }
.ds-cta-group--align-stretch{ justify-content: stretch;    align-items: stretch; }

.ds-cta-group--gap-sm { gap: var(--ds-space-sm, 8px); }
.ds-cta-group--gap-md { gap: var(--ds-space-md, 16px); }
.ds-cta-group--gap-lg { gap: var(--ds-space-lg, 24px); }

.ds-cta-group--vertical.ds-cta-group--align-stretch > * { width: 100%; }

/* ============================================================
   4) DSRuneFrame (.ds-rune-frame)
   四隅のブラケットは ::before/::after ではなく span で実装 (4隅扱いやすい)
   ============================================================ */
.ds-rune-frame {
  position: relative;
  display: block;
  border-radius: var(--ds-radius-md, 10px);
  --_bracket: var(--ds-rune-bracket-size, 14px);
  --_bracket-color: var(--ds-color-gold, #c9a85a);
}
.ds-rune-frame--dark  {
  background: var(--ds-color-panel, rgba(14,10,20,.78));
  color: var(--ds-color-ink, #f4ecd8);
  border: 1px solid var(--ds-color-gold-dim, rgba(201,168,90,.35));
}
.ds-rune-frame--light {
  background: var(--ds-color-paper, #f4ecd8);
  color: var(--ds-color-ink-dark, #2a1f12);
  border: 1px solid var(--ds-color-gold, #c9a85a);
}
.ds-rune-frame--corners-silver { --_bracket-color: var(--ds-color-silver, #d8d4cc); }
.ds-rune-frame--corners-gold   { --_bracket-color: var(--ds-color-gold,   #c9a85a); }
.ds-rune-frame--corners-rose   { --_bracket-color: var(--ds-color-rose,   #d97a7a); }
/* pink = --ds-color-accent-pink (#F472B6) — S1 オープニング魔王の悪夢用 (master accent3 と一致) */
.ds-rune-frame--corners-pink   { --_bracket-color: var(--ds-color-accent-pink, var(--accent3, #F472B6)); }
/* cyan = --ds-color-accent-cyan (#06B6D4) — HUD/cyber 系 */
.ds-rune-frame--corners-cyan   { --_bracket-color: var(--ds-color-accent-cyan, var(--accent2, #06B6D4)); }

.ds-rune-frame--pad-sm .ds-rune-frame__inner { padding: var(--ds-space-sm, 8px); }
.ds-rune-frame--pad-md .ds-rune-frame__inner { padding: var(--ds-space-md, 16px); }
.ds-rune-frame--pad-lg .ds-rune-frame__inner { padding: var(--ds-space-lg, 24px); }

.ds-rune-frame__c {
  position: absolute;
  width: var(--_bracket);
  height: var(--_bracket);
  border-style: solid;
  border-color: var(--_bracket-color);
  border-width: 0;
  pointer-events: none;
}
.ds-rune-frame__c--tl { top: -2px;    left: -2px;    border-top-width: 2px;    border-left-width: 2px; }
.ds-rune-frame__c--tr { top: -2px;    right: -2px;   border-top-width: 2px;    border-right-width: 2px; }
.ds-rune-frame__c--bl { bottom: -2px; left: -2px;    border-bottom-width: 2px; border-left-width: 2px; }
.ds-rune-frame__c--br { bottom: -2px; right: -2px;   border-bottom-width: 2px; border-right-width: 2px; }

.ds-rune-frame__inner { position: relative; z-index: 1; }

/* ============================================================
   5) DSDialog (.ds-dialog)
   ============================================================ */
.ds-dialog {
  width: 100%;
  margin: 0 auto;
  cursor: pointer;
  outline: none;
  font-family: var(--ds-font-jp, 'Noto Serif JP', serif);
  line-height: 1.8;
  letter-spacing: .02em;
}
.ds-dialog .ds-rune-frame__inner {
  padding: var(--ds-space-lg, 24px) var(--ds-space-xl, 32px);
}
.ds-dialog__speaker {
  font-size: var(--ds-font-sm, .85rem);
  color: var(--ds-color-gold, #c9a85a);
  letter-spacing: .15em;
  margin-bottom: var(--ds-space-sm, 8px);
  font-family: var(--ds-font-label, 'Cormorant SC', serif);
}
.ds-dialog__text {
  font-size: var(--ds-font-md, 1.05rem);
  color: var(--ds-color-ink, #f4ecd8);
  min-height: 3.6em; /* ガタつき防止: 2行確保 */
}
.ds-dialog__hint {
  margin-top: var(--ds-space-md, 16px);
  text-align: right;
  font-size: var(--ds-font-xs, .75rem);
  color: var(--ds-color-ink-dim, rgba(244,236,216,.55));
  letter-spacing: .1em;
}

/* ============================================================
   6) DSResultPanel (.ds-result-panel)
   ============================================================ */
.ds-result-panel {
  display: flex;
  flex-direction: column;
  gap: var(--ds-space-lg, 24px);
  width: 100%;
  max-width: var(--ds-container-md, 960px);
  margin: 0 auto;
}
.ds-result-panel__card { width: 100%; }

.ds-result-panel__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--ds-space-sm, 8px);
  text-align: center;
}
.ds-result-panel__title {
  font-family: var(--ds-font-display, 'Cormorant SC', 'Noto Serif JP', serif);
  font-size: var(--ds-font-xxl, 2rem);
  font-weight: 600;
  margin: 0;
  color: var(--ds-color-gold, #c9a85a);
  letter-spacing: .08em;
}
.ds-result-panel__badge-fallback {
  display: inline-block;
  padding: 2px 12px;
  border: 1px solid var(--ds-color-gold, #c9a85a);
  border-radius: 999px;
  font-size: var(--ds-font-xs, .75rem);
  color: var(--ds-color-gold, #c9a85a);
  letter-spacing: .15em;
}
.ds-result-panel__body {
  display: grid;
  gap: var(--ds-space-md, 16px);
}
.ds-result-panel__footer {
  display: flex;
  justify-content: center;
  gap: var(--ds-space-md, 16px);
  padding-top: var(--ds-space-md, 16px);
  border-top: 1px solid var(--ds-color-gold-dim, rgba(201,168,90,.25));
}

@media (max-width: 720px) {
  .ds-result-panel__body { grid-template-columns: 1fr !important; }
}

/* ============================================================
   7) DSStepDots (.ds-step-dots)
   ============================================================ */
.ds-step-dots {
  display: inline-flex;
  align-items: center;
  gap: var(--ds-space-sm, 8px);
}
.ds-step-dots__dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ds-color-ink-dim, rgba(244,236,216,.25));
  border: 1px solid var(--ds-color-gold-dim, rgba(201,168,90,.35));
  transition:
    background var(--ds-motion-fast, 180ms) var(--ds-easing-out, ease-out),
    transform var(--ds-motion-fast, 180ms) var(--ds-easing-out, ease-out),
    box-shadow var(--ds-motion-fast, 180ms) var(--ds-easing-out, ease-out);
}
.ds-step-dots__dot--idle {
  /* default */
}
.ds-step-dots__dot--active {
  background: var(--ds-color-gold, #c9a85a);
  border-color: var(--ds-color-gold, #c9a85a);
  transform: scale(1.3);
  box-shadow:
    0 0 8px var(--ds-color-gold, #c9a85a),
    0 0 16px rgba(201,168,90,.45);
}
.ds-step-dots__dot--done {
  background: var(--ds-color-gold-dim, rgba(201,168,90,.6));
  border-color: var(--ds-color-gold, #c9a85a);
}

@media (prefers-reduced-motion: reduce) {
  .ds-choice-grid__cell,
  .ds-step-dots__dot {
    transition: none !important;
  }
}