/* ============================================================
   Modal 共通スタイル
   assets/styles/modal.css
   news・discography 両モーダルで使用する共通部分
============================================================ */

/* ---- オーバーレイ ---- */
.modal-base {
  display: block;
  position: fixed;
  inset: 0;
  z-index: 300;
  pointer-events: none;  /* 非表示中はクリックを通過させる */
  visibility: hidden;
}
.modal-base.open {
  pointer-events: auto;
  visibility: visible;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(4,4,4,0.88);
  backdrop-filter: blur(4px);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.35s ease;
}
.modal-base.open .modal-overlay {
  opacity: 1;
}

/* ---- パネル ---- */
.modal-panel {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, calc(-50% + 24px));
  max-height: 88vh;
  background: #0e0e0e;
  border: 0.5px solid rgba(200,169,110,0.25);
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity   0.45s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.45s cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0s linear 0.45s;   /* 閉じアニメ完了後に hidden */
  scrollbar-width: thin;
  scrollbar-color: rgba(200,169,110,0.35) transparent;
}
.modal-panel::-webkit-scrollbar { width: 3px; }
.modal-panel::-webkit-scrollbar-track { background: transparent; }
.modal-panel::-webkit-scrollbar-thumb {
  background: rgba(200,169,110,0.35);
  border-radius: 2px;
}
.modal-panel::-webkit-scrollbar-thumb:hover {
  background: rgba(200,169,110,0.65);
}
/* 開いた状態 */
.modal-base.open .modal-panel {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%);
  transition:
    opacity   0.45s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.45s cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0s linear 0s;      /* 開くときは即座に visible */
}
/* 閉じる方向：少し下へ抜けながらフェードアウト */
.modal-base:not(.open) .modal-panel {
  transform: translate(-50%, calc(-50% + 16px));
  transition:
    opacity   0.25s ease-in,
    transform 0.25s ease-in,
    visibility 0s linear 0.25s;
}

/* ---- 閉じるボタン（コンテンツ下部・中央揃え） ---- */
.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 3rem;
  background: none;
  border: 0.5px solid var(--border);
  color: var(--accent);
  font-family: 'Montserrat', sans-serif;
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.35em;
  padding: 1rem 2.8rem;
  border-radius: 2rem;
  cursor: pointer;
  transition: background 0.35s, border-color 0.35s, letter-spacing 0.35s;
  white-space: nowrap;
}
.modal-close:hover {
  background: var(--accent-glow);
  border-color: rgba(200,169,110,0.6);
  letter-spacing: 0.45em;
}

/* ---- ローディング ---- */
.modal-loading {
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-loading.hidden { display: none; }
.modal-spinner {
  width: 28px;
  height: 28px;
  border: 1px solid rgba(200,169,110,0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: modalSpin 0.8s linear infinite;
}
@keyframes modalSpin {
  to { transform: rotate(360deg); }
}

/* ---- コンテンツエリア ---- */
.modal-content {
  padding: 2.5rem 3rem 0;
}
.modal-content.hidden { display: none; }

/* ---- エラーメッセージ ---- */
.modal-error {
  color: #888;
  text-align: center;
  padding: 3rem 0;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
}

/* ---- SP対応 ---- */
@media (max-width: 600px) {
  .modal-content { padding: 2rem 1.5rem 2.5rem; }
}