/* ============================================================
   Gallery Page — AI Bloom Sisters
   清楚エレガントトーンに合わせた Masonry + Modal
   ============================================================ */

.gallery-page {
  background: var(--bg-soft);
  min-height: calc(100vh - 200px);
  padding-bottom: 6rem;
}

/* Hero */
.gallery-hero {
  text-align: center;
  padding: 4rem 0 2.5rem;
  position: relative;
  background: linear-gradient(180deg, #fefcff 0%, var(--bg-soft) 100%);
}

/* ギャラリー間の切り替えリンク（Palette Seedsのnb2-switchと同デザイン） */
.gallery-switch {
  margin-top: 0.5rem;
}
.gallery-switch a {
  font-family: var(--font-round);
  font-size: 0.85rem;
  color: var(--lupinus);
  text-decoration: none;
  border-bottom: 1px dashed var(--lupinus);
  padding-bottom: 1px;
  transition: opacity 0.2s var(--ease);
}
.gallery-switch a:hover {
  opacity: 0.7;
}

/* クレジット表記（Palette Seedsと同デザイン） */
.gallery-credit-note {
  margin-top: 1.4rem;
  font-size: 0.82rem;
  color: var(--ink-soft);
}
.gallery-credit-box {
  display: inline-block;
  margin: 0.6rem auto 0;
  padding: 1rem 1.6rem;
  background: var(--lupinus-soft);
  border: 1px dashed var(--lupinus);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  text-align: center;
}
.gallery-credit-box p {
  margin: 0.15rem 0;
  font-family: var(--font-round);
  font-size: 0.88rem;
  color: var(--ink);
  letter-spacing: 0.01em;
}
.gallery-credit-box p:last-child {
  font-size: 0.78rem;
  color: var(--lupinus);
  word-break: break-all;
}

.gallery-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.title-script {
  font-family: var(--font-script);
  font-size: clamp(3.5rem, 7vw, 5.5rem);
  color: var(--lupinus);
  line-height: 1;
  letter-spacing: 0.02em;
}

.title-sub {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--ink-soft);
  letter-spacing: 0.2em;
}

.gallery-lead {
  font-family: var(--font-round);
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 2;
  max-width: 600px;
  margin: 0 auto;
}

/* Tabs */
.gallery-tabs {
  margin-top: 2rem;
}

.tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.tabs-char {
  margin-bottom: 0.8rem;
}

.tab {
  font-family: var(--font-round);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--ink-soft);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.55rem 1.4rem;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: all 0.25s var(--ease);
  box-shadow: var(--shadow-card);
}

.tab:hover:not(:disabled) {
  border-color: var(--lupinus);
  color: var(--lupinus);
  transform: translateY(-1px);
}

.tab.active {
  background: var(--lupinus);
  color: #fff;
  border-color: var(--lupinus);
}

.tab:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.tab.tab-iris.active { background: var(--iris); border-color: var(--iris); }
.tab.tab-fiona.active { background: var(--fiona); border-color: var(--fiona); }

.gallery-meta {
  text-align: center;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--ink-faint);
  margin: 1rem 0 2rem;
  letter-spacing: 0.05em;
}

/* Grid (横長16:9 専用・均等グリッド) v6改v2.5 */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.4rem;
  padding: 0 1rem;
}

@media (max-width: 1400px) { .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); } }
@media (max-width: 1100px) { .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.1rem; } }
@media (max-width: 720px)  { .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 0.8rem; padding: 0 0.5rem; } }
@media (max-width: 480px)  { .gallery-grid { grid-template-columns: 1fr; } }

.gallery-card {
  display: block;
  background: linear-gradient(135deg, #fefcff 0%, #f7f2fa 100%);
  padding: 14px 14px 18px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card),
              inset 0 0 0 1px rgba(142, 124, 195, 0.12);
  cursor: pointer;
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease);
  position: relative;
  opacity: 0;
  animation: fadeUp 0.6s var(--ease) forwards;
}

/* 内側の細い藤色フレーム（正方形固定・画像全体表示） */
.gallery-card .card-frame {
  position: relative;
  border-radius: calc(var(--radius-sm) - 6px);
  overflow: hidden;
  border: 1px solid rgba(142, 124, 195, 0.25);
  box-shadow: 0 0 0 3px #fff,
              0 0 0 4px rgba(201, 168, 92, 0.32);
  background: #fff;
  aspect-ratio: 1 / 1;
}

/* 4角の桜のあしらい（カード外枠の白padding内・画像から離す） */
.gallery-card::before,
.gallery-card::after,
.gallery-card > .corner-bl,
.gallery-card > .corner-br {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'><g fill='%23e6c8e8'><ellipse cx='10' cy='3' rx='2.6' ry='3.5'/><ellipse cx='16.5' cy='7.5' rx='2.6' ry='3.5' transform='rotate(72 16.5 7.5)'/><ellipse cx='14' cy='15.5' rx='2.6' ry='3.5' transform='rotate(144 14 15.5)'/><ellipse cx='6' cy='15.5' rx='2.6' ry='3.5' transform='rotate(216 6 15.5)'/><ellipse cx='3.5' cy='7.5' rx='2.6' ry='3.5' transform='rotate(288 3.5 7.5)'/><circle cx='10' cy='10' r='1.5' fill='%23c9a85c'/></g></svg>") center/contain no-repeat;
  pointer-events: none;
  opacity: 0.95;
  z-index: 3;
}
.gallery-card::before  { top: 3px;    left: 3px; }
.gallery-card::after   { top: 3px;    right: 3px; }
.gallery-card .corner-bl { bottom: 6px; left: 3px; }
.gallery-card .corner-br { bottom: 6px; right: 3px; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.gallery-card:hover {
  transform: translateY(-6px) scale(1.08);
  box-shadow: 0 24px 50px -22px rgba(142, 124, 195, 0.45),
              inset 0 0 0 1px rgba(142, 124, 195, 0.22);
  z-index: 5;
}
.gallery-card:hover .card-frame {
  box-shadow: 0 0 0 3px #fff,
              0 0 0 4px rgba(201, 168, 92, 0.55);
}

.gallery-card .card-frame img {
  width: 100%;
  height: 100%;
  display: block;
  background: var(--bg-veil);
  /* 切り取らず画像全体を表示(余白は淡色背景) */
  object-fit: contain;
  object-position: center;
}

.gallery-card .card-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem 0.8rem 0.6rem;
  background: linear-gradient(to top, rgba(58, 55, 66, 0.78), transparent);
  color: #fff;
  font-family: var(--font-round);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  pointer-events: none;
}

.gallery-card:hover .card-caption {
  opacity: 1;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal.open {
  display: flex;
  animation: modalFade 0.3s var(--ease);
}

@keyframes modalFade {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal-content {
  max-width: min(90vw, 900px);
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.modal-frame {
  position: relative;
  display: inline-block;
  padding: 22px;
  background: linear-gradient(135deg, #fefcff 0%, #f5edfa 100%);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft),
              inset 0 0 0 1px rgba(142, 124, 195, 0.25);
  animation: zoomIn 0.4s var(--ease);
}

.modal-frame::before,
.modal-frame::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 24px;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'><g fill='%23e6c8e8'><ellipse cx='10' cy='3' rx='2.6' ry='3.5'/><ellipse cx='16.5' cy='7.5' rx='2.6' ry='3.5' transform='rotate(72 16.5 7.5)'/><ellipse cx='14' cy='15.5' rx='2.6' ry='3.5' transform='rotate(144 14 15.5)'/><ellipse cx='6' cy='15.5' rx='2.6' ry='3.5' transform='rotate(216 6 15.5)'/><ellipse cx='3.5' cy='7.5' rx='2.6' ry='3.5' transform='rotate(288 3.5 7.5)'/><circle cx='10' cy='10' r='1.8' fill='%23c9a85c'/></g></svg>") center/contain no-repeat;
  pointer-events: none;
  z-index: 4;
}
.modal-frame::before { top: 4px; left: 4px; }
.modal-frame::after  { top: 4px; right: 4px; }

.modal-inner-corner-bl,
.modal-inner-corner-br {
  position: absolute;
  display: block;
  width: 24px;
  height: 24px;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'><g fill='%23e6c8e8'><ellipse cx='10' cy='3' rx='2.6' ry='3.5'/><ellipse cx='16.5' cy='7.5' rx='2.6' ry='3.5' transform='rotate(72 16.5 7.5)'/><ellipse cx='14' cy='15.5' rx='2.6' ry='3.5' transform='rotate(144 14 15.5)'/><ellipse cx='6' cy='15.5' rx='2.6' ry='3.5' transform='rotate(216 6 15.5)'/><ellipse cx='3.5' cy='7.5' rx='2.6' ry='3.5' transform='rotate(288 3.5 7.5)'/><circle cx='10' cy='10' r='1.8' fill='%23c9a85c'/></g></svg>") center/contain no-repeat;
  pointer-events: none;
  z-index: 4;
}
.modal-inner-corner-bl { bottom: 4px; left: 4px; }
.modal-inner-corner-br { bottom: 4px; right: 4px; }

.modal-inner {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid rgba(142, 124, 195, 0.35);
  box-shadow: 0 0 0 4px #fff,
              0 0 0 5px rgba(201, 168, 92, 0.5);
  background: #fff;
}

.modal-content img {
  max-width: 100%;
  max-height: 80vh;
  width: auto;
  height: auto;
  display: block;
  background: var(--bg);
}

@keyframes zoomIn {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}

.modal-caption {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--ink);
  text-align: center;
  letter-spacing: 0.04em;
  padding: 0 1rem;
}

.modal-close, .modal-prev, .modal-next {
  position: absolute;
  background: #fff;
  border: 1px solid var(--line);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: var(--ink);
  cursor: pointer;
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s var(--ease);
  line-height: 1;
}

.modal-close { top: 1.5rem; right: 1.5rem; font-size: 1.4rem; }
.modal-prev  { left: 1.5rem;  top: 50%; transform: translateY(-50%); }
.modal-next  { right: 1.5rem; top: 50%; transform: translateY(-50%); }

.modal-close:hover, .modal-prev:hover, .modal-next:hover {
  background: var(--lupinus);
  color: #fff;
  border-color: var(--lupinus);
  transform: translateY(-50%) scale(1.06);
}

.modal-close:hover { transform: scale(1.06); }

@media (max-width: 720px) {
  .modal { padding: 0.8rem; }
  .modal-close, .modal-prev, .modal-next { width: 40px; height: 40px; }
  .modal-close { top: 0.8rem; right: 0.8rem; }
  .modal-prev  { left: 0.5rem; }
  .modal-next  { right: 0.5rem; }
  .modal-caption { font-size: 0.9rem; }
}

/* ===== 管理者モード ===== */
.admin-bar {
  display: none;
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(135deg, #fefcff 0%, #f0e7f7 100%);
  border: 1px solid var(--lupinus-soft);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  margin: 0 1rem 1rem;
  box-shadow: var(--shadow-card);
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}
.admin-bar.visible { display: flex; }

.admin-bar .admin-label {
  font-family: var(--font-round);
  font-weight: 500;
  color: var(--accent-deep);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

.admin-bar .admin-count {
  font-family: var(--font-sans);
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.admin-bar button {
  font-family: var(--font-round);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  transition: all 0.2s var(--ease);
}
.admin-bar button:hover { border-color: var(--lupinus); color: var(--lupinus); }
.admin-bar button.danger {
  background: #d94e4e;
  color: #fff;
  border-color: #d94e4e;
}
.admin-bar button.danger:hover { background: #b83b3b; color: #fff; }
.admin-bar button:disabled { opacity: 0.4; cursor: not-allowed; }

/* 管理者モード時のカード */
body.admin-mode .gallery-card {
  cursor: default;
}
.card-checkbox {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 5;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  border: 2px solid var(--lupinus);
  box-shadow: var(--shadow-card);
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--lupinus);
  cursor: pointer;
  font-weight: 700;
  transition: all 0.2s var(--ease);
}
body.admin-mode .card-checkbox { display: flex; }
.gallery-card.selected {
  outline: 3px solid var(--lupinus);
  outline-offset: -3px;
}
.gallery-card.selected .card-checkbox {
  background: var(--lupinus);
  color: #fff;
}

/* 管理者ボタン（footerに小さく） */
.admin-toggle {
  position: fixed;
  bottom: 1.2rem;
  right: 1.2rem;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  box-shadow: var(--shadow-card);
  opacity: 0.4;
  transition: all 0.2s var(--ease);
  z-index: 50;
}
.admin-toggle:hover { opacity: 1; border-color: var(--lupinus); }

/* パスワードダイアログ */
.password-dialog {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
}
.password-dialog.open { display: flex; }
.password-box {
  background: #fff;
  border-radius: var(--radius);
  padding: 2rem 2.5rem;
  box-shadow: var(--shadow-soft);
  text-align: center;
  border: 1px solid var(--lupinus-soft);
}
.password-box h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--lupinus);
  margin-bottom: 1rem;
}
.password-box input {
  font-family: var(--font-sans);
  font-size: 1rem;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  width: 100%;
  margin-bottom: 1rem;
}
.password-box input:focus {
  outline: none;
  border-color: var(--lupinus);
}
.password-box .pw-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
}
.password-box button {
  padding: 0.5rem 1.2rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
  font-family: var(--font-round);
}
.password-box button.primary {
  background: var(--lupinus);
  color: #fff;
  border-color: var(--lupinus);
}

/* ===== 750ギャラリー 準備中ゲート ===== */
.gallery-gate {
  padding: 3rem 0 5rem;
}
.gallery-gate-box {
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
  background: #fff;
  border: 1px solid var(--lupinus-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 3rem 2rem;
}
.gallery-gate-icon {
  display: block;
  font-size: 2.4rem;
  margin-bottom: 0.8rem;
}
.gallery-gate-box h2 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--lupinus);
  margin-bottom: 1rem;
}
.gallery-gate-box p {
  font-family: var(--font-round);
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.9;
  margin-bottom: 1.8rem;
}
.gallery-gate-admin-link {
  font-family: var(--font-round);
  font-size: 0.78rem;
  color: var(--ink-faint);
  background: none;
  border: none;
  border-bottom: 1px dashed var(--ink-faint);
  padding: 0 0 2px;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s, color 0.2s, border-color 0.2s;
}
.gallery-gate-admin-link:hover {
  opacity: 1;
  color: var(--lupinus);
  border-color: var(--lupinus);
}