/* 全站管理后台：先登录，再按模块管理。目前只有留言板 */
[hidden] {
  display: none !important;
}

.admin {
  min-height: 100dvh;
  background:
    radial-gradient(ellipse 50% 40% at 80% 0%, rgba(216, 188, 116, 0.18), transparent 62%),
    var(--paper);
}

.admin-bar {
  position: sticky;
  top: 0;
  z-index: 4;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem max(1.25rem, env(safe-area-inset-right)) 1rem max(1.25rem, env(safe-area-inset-left));
  border-bottom: 1px solid var(--gold-line);
  background: rgba(251, 247, 238, 0.92);
  backdrop-filter: blur(12px);
}

.admin-bar-title {
  font-family: var(--sans);
  letter-spacing: 0.12em;
  font-size: 0.92rem;
}

.admin-bar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--sans);
  font-size: 0.84rem;
}

.admin-bar-actions a,
.admin-text-btn {
  color: var(--ink-soft);
  text-decoration: none;
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  cursor: pointer;
}

.admin-bar-actions a:hover,
.admin-text-btn:hover {
  color: var(--gold);
}

.admin-main {
  width: min(100% - 2.5rem, 52rem);
  margin: 0 auto;
  padding: 2.4rem 0 4rem;
}

.admin-card {
  width: min(100%, 24rem);
  margin: 0 auto;
  text-align: center;
}

.admin-card h1 {
  margin: 0.75rem 0 0.7rem;
  font-weight: 400;
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  letter-spacing: 0.12em;
}

.admin-lead {
  margin: 0 auto 1.6rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.admin-form {
  display: grid;
  gap: 1rem;
  text-align: left;
}

.admin-form label {
  display: grid;
  gap: 0.4rem;
}

.admin-form label span {
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.admin-form input {
  width: 100%;
  border: 1px solid var(--gold-line);
  background: rgba(255, 253, 248, 0.72);
  padding: 0.72rem 0.85rem;
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--ink);
  outline: none;
  border-radius: 0.2rem;
}

.admin-form textarea {
  width: 100%;
  min-height: 5.5rem;
  border: 1px solid var(--gold-line);
  background: rgba(255, 253, 248, 0.72);
  padding: 0.72rem 0.85rem;
  font-family: var(--serif);
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--ink);
  outline: none;
  border-radius: 0.2rem;
  resize: vertical;
}

.admin-form textarea:focus {
  border-color: rgba(184, 148, 63, 0.62);
}

.admin-story {
  gap: 1.35rem;
}

.admin-story-chapter {
  display: grid;
  gap: 0.9rem;
  margin: 0;
  padding: 1rem 0.95rem 1.1rem;
  border: 1px solid var(--gold-line);
  border-radius: 0.25rem;
  background: rgba(255, 253, 248, 0.45);
}

.admin-story-chapter legend {
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--gold);
  padding: 0 0.35rem;
}

.admin-story-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
}

.admin-form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1.2rem;
}

.admin-note {
  margin: 0;
  font-family: var(--sans);
  font-size: 0.86rem;
  color: var(--ink-soft);
}

.admin-shell {
  display: grid;
  grid-template-columns: 8.6rem minmax(0, 1fr);
  gap: clamp(1.4rem, 4vw, 2.4rem);
  align-items: start;
}

.admin-mods {
  display: grid;
  gap: 0.2rem;
  position: sticky;
  top: 4.6rem;
}

.admin-mods-label {
  margin: 0 0 0.45rem;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.admin-mods button {
  appearance: none;
  border: 0;
  background: none;
  padding: 0.55rem 0.7rem;
  text-align: left;
  font-family: var(--sans);
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  cursor: pointer;
  border-radius: 0.2rem;
}

.admin-mods button.is-active,
.admin-mods button:hover {
  color: var(--ink);
  background: rgba(184, 148, 63, 0.12);
}

.admin-panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 0.4rem;
}

.admin-panel-head h1 {
  font-weight: 400;
  font-size: 1.45rem;
  letter-spacing: 0.12em;
}

.admin-count {
  margin: 0;
  font-family: var(--sans);
  font-size: 0.86rem;
  color: var(--ink-faint);
}

.admin-list {
  list-style: none;
}

.admin-list li {
  padding: 1.15rem 0;
  border-top: 1px solid var(--gold-line);
}

.admin-list-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  font-family: var(--sans);
}

.admin-list-name {
  letter-spacing: 0.08em;
}

.admin-list-time {
  font-size: 0.72rem;
  color: var(--ink-faint);
  white-space: nowrap;
}

.admin-list-body {
  margin: 0.45rem 0 0;
  color: var(--ink-soft);
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
}

.admin-list-foot {
  margin: 0.7rem 0 0;
  display: flex;
  justify-content: flex-end;
}

.admin-del {
  appearance: none;
  border: 0;
  background: none;
  padding: 0;
  font-family: var(--sans);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  cursor: pointer;
}

.admin-del:hover {
  color: #9a3b2f;
}

.admin-help {
  margin: 0 0 1rem;
  font-family: var(--sans);
  font-size: 0.86rem;
  color: var(--ink-soft);
}

.admin-upload {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem 1rem;
  margin: 0 0 1.1rem;
}

.admin-upload .btn {
  min-height: 2.4rem;
}

.admin-album-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0 0 1rem;
}

.admin-album-tabs button {
  appearance: none;
  border: 1px solid var(--gold-line);
  background: none;
  padding: 0.35rem 0.7rem;
  font-family: var(--sans);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  cursor: pointer;
  border-radius: 999px;
}

.admin-album-tabs button.is-active,
.admin-album-tabs button:hover {
  color: var(--ink);
  border-color: rgba(184, 148, 63, 0.55);
  background: rgba(184, 148, 63, 0.12);
}

.admin-photos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.7rem;
}

.admin-pager {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--gold-line);
}

.admin-pager-side,
.admin-pager-pages button {
  appearance: none;
  border: 0;
  background: none;
  padding: 0.2rem 0.15rem;
  font-family: var(--sans);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  cursor: pointer;
}

.admin-pager-side:hover,
.admin-pager-pages button:hover,
.admin-pager-pages button[aria-current="true"] {
  color: var(--ink);
}

.admin-pager-side:disabled {
  opacity: 0.28;
  cursor: default;
}

.admin-pager-pages {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.55rem;
}

.admin-photo {
  position: relative;
  margin: 0;
  aspect-ratio: 1;
  overflow: hidden;
  border: 1px solid var(--gold-line);
  background: rgba(255, 253, 248, 0.6);
  cursor: zoom-in;
}

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

.admin-photo-del {
  position: absolute;
  right: 0.4rem;
  bottom: 0.4rem;
  padding: 0.2rem 0.45rem;
  background: rgba(42, 34, 22, 0.72);
  color: #f6f0e4;
  border-radius: 999px;
}

.admin-photo-del:hover {
  color: #fff;
  background: #9a3b2f;
}

.admin-empty {
  padding: 2rem 0;
  text-align: center;
  color: var(--ink-faint);
  font-family: var(--sans);
  border-top: 1px solid var(--gold-line);
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 4vw, 3rem);
  background: rgba(20, 17, 12, 0.94);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease), visibility 0.4s var(--ease);
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox img {
  max-width: min(100%, 68rem);
  max-height: 78svh;
  object-fit: contain;
}

.lightbox-bar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: clamp(1rem, 3vw, 2rem);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.4rem;
  color: rgba(246, 240, 228, 0.82);
  font-family: var(--sans);
  font-size: 0.84rem;
  letter-spacing: 0.08em;
}

.lightbox-bar button {
  appearance: none;
  border: 1px solid rgba(246, 240, 228, 0.35);
  background: transparent;
  color: inherit;
  font: inherit;
  padding: 0.55rem 1rem;
  cursor: pointer;
}

.lightbox-bar button:hover {
  background: linear-gradient(120deg, #b8943f, #d4b56a);
  border-color: transparent;
  color: #fffaf0;
}

.lightbox-close {
  position: absolute;
  top: clamp(0.9rem, 3vw, 1.8rem);
  right: clamp(0.9rem, 3vw, 1.8rem);
  width: 2.6rem;
  height: 2.6rem;
  appearance: none;
  border: 1px solid rgba(246, 240, 228, 0.35);
  background: transparent;
  cursor: pointer;
}

.lightbox-close::before,
.lightbox-close::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0.95rem;
  height: 1px;
  background: #f6f0e4;
}

.lightbox-close::before { transform: translate(-50%, -50%) rotate(45deg); }
.lightbox-close::after { transform: translate(-50%, -50%) rotate(-45deg); }

@media (max-width: 720px) {
  .admin-shell {
    grid-template-columns: 1fr;
  }

  .admin-mods {
    position: static;
    grid-auto-flow: column;
    justify-content: start;
    gap: 0.35rem;
    overflow-x: auto;
  }

  .admin-mods-label {
    display: none;
  }

  .admin-story-row {
    grid-template-columns: 1fr;
  }
}