/* ========================================
   Relationship Chart
======================================== */

.relationship-panel {
  padding-bottom: 44px;
}

.relationship-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 30px;
  margin-bottom: 30px;
}

.relationship-header p {
  margin-bottom: 0;
}

.relationship-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 14px;
  color: #667788;
  font-size: 1.1rem;
}

.relationship-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.relationship-legend__dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.relationship-legend__dot.is-general {
  background: #6fa8dc;
}

.relationship-legend__dot.is-public {
  background: #93c47d;
}

.relationship-legend__dot.is-criminal {
  background: #e06666;
}

.relationship-legend__dot.is-special {
  background: #8e7cc3;
}

/* タブ */

.relationship-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(87, 105, 183, 0.22);
}

.relationship-tab {
  appearance: none;
  padding: 9px 16px;
  color: #647487;
  background: rgba(255, 255, 255, 0.52);
  border: 1px solid rgba(87, 105, 183, 0.28);
  font: inherit;
  font-family: "Montserrat", "Zen Kaku Gothic New", sans-serif;
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition:
    color 0.22s ease,
    background-color 0.22s ease,
    border-color 0.22s ease;
}

.relationship-tab.is-active {
  color: #fff;
  background: #5769B7;
  border-color: #5769B7;
}

@media (hover: hover) {
  .relationship-tab:not(.is-active):hover {
    color: #5769B7;
    background: rgba(135, 191, 242, 0.17);
  }
}

/* 2カラム */

.relationship-layout {
  display: grid;
  grid-template-columns: minmax(230px, 285px) minmax(0, 1fr);
  gap: 18px;
  align-items: stretch;
}

/* 左：人物一覧 */

.relationship-sidebar {
  min-height: 620px;
  box-sizing: border-box;
  padding: 20px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(87, 105, 183, 0.25);
}

.relationship-sidebar__heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 18px;
}

.relationship-sidebar__eyebrow,
.relationship-chart__eyebrow {
  display: block;
  margin-bottom: 5px;
  color: #9aa9b8;
  font-family: "Montserrat", sans-serif;
  font-size: 1rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.relationship-sidebar__heading h4 {
  margin: 0;
  color: #5769B7;
  font-size: 1.65rem;
  letter-spacing: 0.08em;
  text-transform: none;
}

.relationship-sidebar__count {
  min-width: 28px;
  padding: 3px 7px;
  color: #5769B7;
  background: rgba(135, 191, 242, 0.13);
  font-size: 1.1rem;
  text-align: center;
}

.relationship-search__label {
  display: block;
  margin-bottom: 5px;
  color: #778899;
  font-family: "Montserrat", sans-serif;
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.relationship-search__input {
  box-sizing: border-box;
  width: 100%;
  margin: 0 0 16px;
  padding: 9px 11px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(87, 105, 183, 0.35);
  font: inherit;
  font-size: 1.2rem;
}

.relationship-search__input:focus {
  border-color: #5769B7;
  outline: 2px solid rgba(135, 191, 242, 0.2);
  outline-offset: 1px;
}

.relationship-character-list {
  display: flex;
  flex-direction: column;
  gap: 7px;
  max-height: 515px;
  overflow-y: auto;
  padding-right: 4px;
}

.relationship-character {
  appearance: none;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  width: 100%;
  padding: 8px;
  color: inherit;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid transparent;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition:
    border-color 0.2s ease,
    background-color 0.2s ease,
    transform 0.2s ease;
}

.relationship-character__icon {
  display: block;
  width: 42px;
  height: 42px;
  overflow: hidden;
  background:
    var(
      --relationship-character-color,
      rgba(135, 191, 242, 0.35)
    );
  border: 2px solid rgba(87, 105, 183, 0.2);
  border-radius: 50%;
}

.relationship-character__icon img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.relationship-character__text {
  min-width: 0;
}

.relationship-character__text strong,
.relationship-character__text span {
  display: block;
}

.relationship-character__text strong {
  overflow: hidden;
  color: #344d67;
  font-size: 1.2rem;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.relationship-character__text span {
  overflow: hidden;
  margin-top: 2px;
  color: #84919e;
  font-size: 0.98rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.relationship-character.is-active {
  background: rgba(135, 191, 242, 0.18);
  border-color: rgba(87, 105, 183, 0.45);
}

@media (hover: hover) {
  .relationship-character:hover {
    background: rgba(135, 191, 242, 0.13);
    border-color: rgba(87, 105, 183, 0.3);
    transform: translateX(3px);
  }
}

.relationship-empty {
  margin: 24px 0 0;
  color: #97a3ae;
  font-size: 1.1rem;
  text-align: center;
}

/* 右：相関図 */

.relationship-chart {
  min-width: 0;
  min-height: 620px;
  box-sizing: border-box;
  padding: 18px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(87, 105, 183, 0.25);
}

.relationship-chart__toolbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 12px;
}

.relationship-chart__toolbar p {
  margin: 0;
  color: #647487;
  font-size: 1.15rem;
}

.relationship-reset {
  appearance: none;
  flex-shrink: 0;
  padding: 7px 12px;
  color: #5769B7;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(87, 105, 183, 0.35);
  font: inherit;
  font-size: 1.05rem;
  cursor: pointer;
}

.relationship-reset:disabled {
  cursor: default;
  opacity: 0.45;
}

.relationship-network {
  width: 100%;
  height: 540px;
  box-sizing: border-box;
  background:
    linear-gradient(
      rgba(255, 255, 255, 0.92),
      rgba(255, 255, 255, 0.92)
    ),
    radial-gradient(
      circle at 50% 50%,
      rgba(135, 191, 242, 0.12),
      transparent 65%
    );
  border: 1px solid rgba(87, 105, 183, 0.22);
}

.relationship-network-empty {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 540px;
  margin: 0;
  color: #98a5b1;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(87, 105, 183, 0.22);
  text-align: center;
}

/* vis-networkの操作ボタン */

.relationship-network .vis-navigation .vis-button {
  opacity: 0.6;
}

.relationship-network .vis-navigation .vis-button:hover {
  opacity: 1;
}

/* タブレット以下 */

@media screen and (max-width: 900px) {
  .relationship-header {
    display: block;
  }

  .relationship-legend {
    justify-content: flex-start;
    margin-top: 18px;
  }

  .relationship-layout {
    grid-template-columns: 1fr;
  }

  .relationship-sidebar,
  .relationship-chart {
    min-height: auto;
  }

  .relationship-character-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-height: 290px;
  }

  .relationship-network {
    height: 520px;
  }
}

/* スマホ */

@media screen and (max-width: 520px) {
  .relationship-panel {
    padding-right: 14px;
    padding-left: 14px;
  }

  .relationship-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 10px;
  }

  .relationship-tab {
    flex-shrink: 0;
  }

  .relationship-sidebar,
  .relationship-chart {
    padding: 14px;
  }

  .relationship-character-list {
    grid-template-columns: 1fr;
    max-height: 245px;
  }

  .relationship-chart__toolbar {
    display: block;
  }

  .relationship-reset {
    margin-top: 10px;
  }

  .relationship-network,
  .relationship-network-empty {
    min-height: 460px;
    height: 460px;
  }
}
/* hidden属性を必ず非表示にする */
.relationship-network-empty[hidden],
.relationship-empty[hidden] {
  display: none !important;
}