/* ============================================================
   しょうるーむ - スタイルシート
   コンセプト: 招待された人だけが入れる、水色でぽってりかわいい展示スペース
   フォント: Adobe Fonts (Typekit kit: hez4rve) を index.html / admin.html の
   typekit-loader.js から読み込み。ads-showwa80 は全文字対応ではないため
   タイトルなど大きな見出しにのみ使用し、本文・ユーザー投稿の文言には使わない。
   ============================================================ */

:root {
  --color-bg: #EAF5FA;
  --color-bg-deep: #D7ECF6;
  --color-surface: #FFFFFF;
  --color-primary: #2D9CDB;
  --color-primary-deep: #1D7FB8;
  --color-primary-soft: #DCF0FA;
  --color-ink: #1B2E3A;
  --color-ink-soft: #5B7A89;
  --color-border: #CFE6F0;
  --color-danger: #D96570;
  --color-danger-deep: #C14B57;

  --font-display: "ads-showwa80", "source-han-sans-japanese", sans-serif;
  --font-body: "source-han-sans-japanese", 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;

  --radius-s: 12px;
  --radius-m: 20px;
  --radius-l: 32px;
  --shadow-card: 0 1px 2px rgba(27, 46, 58, 0.06), 0 8px 20px rgba(45, 156, 219, 0.14);
  --shadow-elevated: 0 20px 60px rgba(27, 46, 58, 0.22);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  margin: 0;
  color: var(--color-ink);
}

p { margin: 0; }

button, input, textarea {
  font-family: inherit;
  color: inherit;
}

.hidden { display: none !important; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ------------------------------------------------------------
   ヘッダー
   ------------------------------------------------------------ */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-header__title { line-height: 0; }

.site-header__logo-img {
  height: 34px;
  width: auto;
  display: block;
}
.site-header__logo-img--admin { height: 26px; }

.site-header__admin-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-ink-soft);
  border-left: 1.5px solid var(--color-border);
  padding-left: 12px;
}

.user-badge {
  position: relative;
}

.user-badge__trigger {
  display: flex;
  align-items: center;
  gap: 10px;
  border: none;
  background: none;
  cursor: pointer;
  padding: 5px 8px 5px 5px;
  border-radius: 999px;
  transition: background 0.15s ease;
}
.user-badge__trigger:hover { background: var(--color-primary-soft); }

.user-badge__icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--color-primary-soft);
  border: 1.5px solid var(--color-border);
}

.user-badge__name {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-ink);
}

.user-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 270px;
  max-width: 82vw;
  background: var(--color-surface);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-elevated);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 30;
  text-align: left;
}

.user-menu__heading {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-ink-soft);
}

.user-menu__favorites {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 240px;
  overflow-y: auto;
}

.user-menu__empty { font-size: 12px; color: var(--color-ink-soft); padding: 6px 0; }

.user-menu__fav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  border: none;
  background: none;
  padding: 6px;
  border-radius: var(--radius-s);
  cursor: pointer;
  text-align: left;
  width: 100%;
}
.user-menu__fav-item:hover { background: var(--color-bg); }

.user-menu__fav-thumb {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
  background: var(--color-primary-soft);
  flex-shrink: 0;
}

.user-menu__fav-title {
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-menu__logout {
  margin-top: 4px;
  border-top: 1px solid var(--color-border);
  padding-top: 14px;
}

/* ------------------------------------------------------------
   ボタン
   ------------------------------------------------------------ */
.btn {
  appearance: none;
  border: none;
  border-radius: 999px;
  padding: 12px 26px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 6px 16px rgba(45, 156, 219, 0.35);
}
.btn-primary:hover:not(:disabled) { background: var(--color-primary-deep); }

.btn-ghost {
  background: transparent;
  color: var(--color-primary-deep);
  border: 1.5px solid var(--color-border);
}
.btn-ghost:hover:not(:disabled) { background: var(--color-primary-soft); }

.btn-danger {
  background: #fff;
  color: var(--color-danger-deep);
  border: 1.5px solid var(--color-danger);
}
.btn-danger:hover:not(:disabled) { background: var(--color-danger); color: #fff; }

.btn-small { padding: 7px 16px; font-size: 13px; }
.btn-block { width: 100%; }

.link-button {
  display: block;
  margin: 18px auto 0;
  background: none;
  border: none;
  color: var(--color-ink-soft);
  font-size: 13px;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}
.link-button:hover { color: var(--color-primary-deep); }

/* ------------------------------------------------------------
   フォーム
   ------------------------------------------------------------ */
.form { display: flex; flex-direction: column; gap: 16px; }
.form--inline { flex-direction: row; align-items: flex-end; gap: 10px; }

.field { display: flex; flex-direction: column; gap: 6px; }
.field__label { font-size: 13px; font-weight: 700; color: var(--color-ink-soft); }

input[type="text"], input[type="password"], input[type="file"], textarea {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-s);
  padding: 12px 14px;
  font-size: 15px;
  background: #fff;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input[type="text"]:focus, input[type="password"]:focus, textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}
textarea { resize: vertical; min-height: 44px; font-family: inherit; }
.form--inline textarea { flex: 1; min-height: 44px; }

.field__note { font-size: 12px; }
.field__note.is-ok { color: #2C9C6E; }
.field__note.is-error { color: var(--color-danger-deep); }
.field__error { font-size: 13px; color: var(--color-danger-deep); min-height: 1em; }

/* ------------------------------------------------------------
   認証画面（招待コード・登録・ログイン）
   ------------------------------------------------------------ */
.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  background:
    radial-gradient(circle 70px at 10% 18%, rgba(255, 255, 255, 0.7), transparent 72%),
    radial-gradient(circle 110px at 88% 12%, rgba(255, 255, 255, 0.5), transparent 72%),
    radial-gradient(circle 55px at 92% 78%, rgba(255, 255, 255, 0.65), transparent 72%),
    radial-gradient(circle 95px at 6% 82%, rgba(255, 255, 255, 0.45), transparent 72%),
    radial-gradient(circle 35px at 78% 45%, rgba(255, 255, 255, 0.55), transparent 72%),
    linear-gradient(160deg, var(--color-bg) 0%, var(--color-bg-deep) 100%);
}

.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--color-surface);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-elevated);
  padding: 40px 32px;
  text-align: center;
}

.auth-card__logo {
  display: block;
  width: 100%;
  max-width: 260px;
  height: auto;
  margin: 0 auto 20px;
}

.auth-card h2 {
  font-size: 24px;
  margin-bottom: 8px;
}

.auth-card__hint {
  font-size: 13px;
  color: var(--color-ink-soft);
  margin-bottom: 24px;
}

.auth-card .form { text-align: left; margin-top: 8px; }

.icon-preview-wrap { display: flex; justify-content: center; }
.icon-preview {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-primary-soft);
  margin-top: 4px;
}

/* ------------------------------------------------------------
   ギャラリー
   ------------------------------------------------------------ */
#screen-gallery { max-width: 1180px; margin: 0 auto; padding: 28px 24px 80px; }

.gallery-toolbar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 20px;
}

.sort-toggle {
  display: inline-flex;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: 999px;
  padding: 4px;
  gap: 2px;
}
.sort-toggle__btn {
  border: none;
  background: transparent;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-ink-soft);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.sort-toggle__btn.is-active {
  background: var(--color-primary);
  color: #fff;
}

.gallery-empty {
  text-align: center;
  color: var(--color-ink-soft);
  padding: 80px 20px;
  font-size: 15px;
}

/* 画廊の壁のような、高さの揃わないマソンリー配置 */
.gallery-grid {
  columns: 4 260px;
  column-gap: 18px;
}
@media (max-width: 900px) { .gallery-grid { columns: 3 200px; } }
@media (max-width: 600px) { .gallery-grid { columns: 2 150px; column-gap: 12px; } }

.gallery-card {
  display: block;
  width: 100%;
  break-inside: avoid;
  margin-bottom: 18px;
  background: var(--color-surface);
  border: none;
  border-radius: var(--radius-m);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  cursor: pointer;
  padding: 0;
  text-align: left;
  animation: card-rise 0.55s cubic-bezier(0.34, 1.56, 0.64, 1) backwards;
}
.gallery-card:nth-child(2n) { animation-delay: 0.04s; }
.gallery-card:nth-child(3n) { animation-delay: 0.08s; }
.gallery-card:nth-child(4n) { animation-delay: 0.12s; }

@keyframes card-rise {
  from { opacity: 0; transform: translateY(14px) scale(0.94); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.gallery-card__image {
  display: block;
  width: 100%;
  height: auto;
  background: var(--color-primary-soft);
  transition: transform 0.4s ease;
}
.gallery-card:hover .gallery-card__image { transform: scale(1.035); }

.gallery-card__info { padding: 12px 14px 14px; }
.gallery-card__title {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.gallery-card__meta { font-size: 12px; color: var(--color-ink-soft); }

/* ------------------------------------------------------------
   イラスト詳細ページ（全画面）
   ------------------------------------------------------------ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: var(--color-bg);
  overflow-y: auto;
  animation: page-in 0.28s ease;
}

@keyframes page-in {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.detail-page__topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 20px;
}

.detail-page__back {
  border: none;
  background: none;
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font-body);
  color: var(--color-primary-deep);
  cursor: pointer;
  padding: 6px 4px;
}

.detail {
  display: flex;
  flex-direction: column;
  max-width: 1100px;
  margin: 0 auto;
}
@media (min-width: 760px) {
  .detail { flex-direction: row; align-items: flex-start; }
  .detail__image-wrap { width: 56%; }
  .detail__body { width: 44%; }
}

.detail__image-wrap {
  position: relative;
  background: var(--color-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 40vh;
}
.detail__image {
  width: 100%;
  max-height: 80vh;
  object-fit: contain;
  display: block;
  cursor: zoom-in;
}
.detail__expand-hint {
  position: absolute;
  right: 14px;
  bottom: 14px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  pointer-events: none;
}

.detail__body { padding: 26px 28px 60px; display: flex; flex-direction: column; gap: 14px; }
.detail__title { font-family: var(--font-body); font-weight: 700; font-size: 21px; }
.detail__date { font-size: 12px; color: var(--color-ink-soft); }
.detail__description { font-size: 14px; white-space: pre-wrap; color: var(--color-ink); }

/* ------------------------------------------------------------
   イラスト全画面表示（ライトボックス）
   ------------------------------------------------------------ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(10, 20, 26, 0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
  animation: fade-in 0.2s ease;
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

.lightbox__image {
  max-width: 94vw;
  max-height: 92vh;
  object-fit: contain;
}
.lightbox__close {
  position: absolute;
  top: 18px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.btn-favorite {
  align-self: flex-start;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary-soft);
  color: var(--color-primary-deep);
  border: none;
  border-radius: 999px;
  padding: 9px 20px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease;
}
.btn-favorite:active { transform: scale(0.94); }
.btn-favorite.is-active { background: var(--color-danger); color: #fff; }
.btn-favorite #favorite-icon { font-size: 16px; display: inline-block; }
.btn-favorite.is-active #favorite-icon { animation: heart-pop 0.4s ease; }

@keyframes heart-pop {
  0% { transform: scale(1); }
  35% { transform: scale(1.35); }
  100% { transform: scale(1); }
}

/* ------------------------------------------------------------
   コメント
   ------------------------------------------------------------ */
.comments { border-top: 1px solid var(--color-border); padding-top: 16px; display: flex; flex-direction: column; gap: 14px; }
.comments h3 { font-size: 15px; }

.comment-list { display: flex; flex-direction: column; gap: 16px; }
.comment-empty, .comment-loading, .comment-error { font-size: 13px; color: var(--color-ink-soft); }

.comment__body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-bottom: 4px;
}
.comment__replies {
  margin-top: 10px;
  margin-left: 18px;
  padding-left: 14px;
  border-left: 2px solid var(--color-primary-soft);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.comment__header { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.comment__icon {
  width: 26px; height: 26px; border-radius: 50%; object-fit: cover;
  background: var(--color-primary-soft);
}
.comment__name { font-size: 13px; font-weight: 700; }
.comment__admin-badge {
  font-size: 11px;
  background: var(--color-primary);
  color: #fff;
  padding: 2px 9px;
  border-radius: 999px;
}
.comment__time { font-size: 11px; color: var(--color-ink-soft); margin-left: auto; }
.comment__content { font-size: 14px; white-space: pre-wrap; padding-left: 34px; }
.comment__hidden-tag { font-size: 11px; color: var(--color-danger-deep); padding-left: 34px; }
.comment__delete {
  align-self: flex-start;
  margin-left: 34px;
  background: none;
  border: none;
  font-size: 12px;
  color: var(--color-ink-soft);
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
}
.comment__delete:hover { color: var(--color-danger-deep); }

/* ------------------------------------------------------------
   トースト通知
   ------------------------------------------------------------ */
#toast-container {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}
.toast {
  background: var(--color-ink);
  color: #fff;
  padding: 11px 22px;
  border-radius: 999px;
  font-size: 13px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  box-shadow: var(--shadow-card);
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast-error { background: var(--color-danger-deep); }

/* ------------------------------------------------------------
   管理画面
   ------------------------------------------------------------ */
#admin-main { max-width: 880px; margin: 0 auto; padding: 28px 24px 80px; }

.admin-tabs {
  display: flex;
  gap: 6px;
  border-bottom: 1.5px solid var(--color-border);
  margin-bottom: 26px;
  overflow-x: auto;
}
.admin-tabs__btn {
  border: none;
  background: none;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-ink-soft);
  cursor: pointer;
  border-bottom: 2.5px solid transparent;
  white-space: nowrap;
}
.admin-tabs__btn.is-active { color: var(--color-primary-deep); border-color: var(--color-primary); }

.admin-panel { background: var(--color-surface); border-radius: var(--radius-m); padding: 26px; box-shadow: var(--shadow-card); }

.post-image-preview {
  max-width: 100%;
  max-height: 320px;
  border-radius: var(--radius-s);
  object-fit: contain;
}

.manage-list, .invite-list, .admin-comment-list { display: flex; flex-direction: column; gap: 12px; }

.manage-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-s);
}
.manage-row__thumb { width: 56px; height: 56px; border-radius: var(--radius-s); object-fit: cover; background: var(--color-primary-soft); }
.manage-row__info { flex: 1; min-width: 0; }
.manage-row__title { font-weight: 700; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.manage-row__meta { font-size: 12px; color: var(--color-ink-soft); margin-top: 2px; }

#btn-generate-invite { margin-bottom: 18px; }
.invite-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-s);
  flex-wrap: wrap;
}
.invite-row__code { font-size: 15px; letter-spacing: 0.06em; font-weight: 700; }
.invite-row__status { font-size: 12px; padding: 3px 10px; border-radius: 999px; }
.invite-row__status.is-unused { background: var(--color-primary-soft); color: var(--color-primary-deep); }
.invite-row__status.is-used { background: #EFEFEF; color: var(--color-ink-soft); }
.invite-row__code { margin-right: auto; }

.admin-comment-row {
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-s);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.admin-comment-row.is-reply { margin-left: 24px; background: var(--color-bg); }
.admin-comment-row.is-hidden { border-color: var(--color-danger); }
.admin-comment-row__meta { font-size: 12px; color: var(--color-ink-soft); }
.admin-comment-row__content { font-size: 14px; white-space: pre-wrap; }
.admin-comment-row__actions { display: flex; gap: 8px; flex-wrap: wrap; }

.admin-reply-form { display: flex; gap: 8px; margin-top: 4px; }
.admin-reply-form textarea { flex: 1; min-height: 40px; }

/* ------------------------------------------------------------
   レスポンシブ調整
   ------------------------------------------------------------ */
@media (max-width: 600px) {
  .site-header { padding: 14px 16px; }
  .site-header__logo-img { height: 26px; }
  .auth-card { padding: 32px 22px; }
  .auth-card__logo { max-width: 200px; }
  .detail__body { padding: 20px; }
}