/* ============================================================
   BanShit · home.css
   首页：刊头 hero、瀑布流卡片、相册预览对话框
   ============================================================ */

/* ---------- 刊头 ---------- */
.hero {
  position: relative;
  padding: 58px 0 34px;
  overflow: hidden;
}
.hero-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.eyebrow {
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--accent);
}
.dateline {
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.hero h1 {
  margin: 30px 0 18px;
  font-family: var(--serif);
  font-size: clamp(44px, 6.4vw, 82px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 1px;
}
.hero h1 .accent {
  color: var(--accent);
  /* 红笔批注式波浪线，像编辑在报样上圈出重点 */
  text-decoration: underline wavy var(--accent);
  text-decoration-thickness: 3px;
  text-underline-offset: 12px;
}
.standfirst {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}
.hero-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 34px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 1px;
}
/* 朱砂印章：「搬屎」竖排大印，报纸水印也是 meme 图腾 */
.stamp {
  position: absolute;
  right: 6%;
  top: 92px;
  display: grid;
  place-items: center;
  width: 104px;
  height: 148px;
  background: var(--accent);
  color: var(--on-accent);
  border-radius: 12px;
  box-shadow: inset 0 0 0 3px var(--on-accent), inset 0 0 0 6px var(--accent);
  font-family: var(--serif);
  font-size: 48px;
  font-weight: 700;
  writing-mode: vertical-rl;
  letter-spacing: 6px;
  transform: rotate(10deg);
  opacity: 0.92;
  pointer-events: none;
  user-select: none;
}

/* 刊头便便海：JS 按网格随机铺满（见 home.js poopField） */
.poop-field {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  user-select: none;
}
.poop {
  position: absolute;
  display: block;
  background: var(--accent);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Cg%3E%3Cellipse cx='32' cy='44' rx='20' ry='9'/%3E%3Cellipse cx='32' cy='33' rx='15' ry='8'/%3E%3Cellipse cx='32' cy='24' rx='10.5' ry='6.5'/%3E%3Cellipse cx='32' cy='17' rx='6' ry='4.5'/%3E%3Ccircle cx='38.5' cy='13' r='3'/%3E%3C/g%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Cg%3E%3Cellipse cx='32' cy='44' rx='20' ry='9'/%3E%3Cellipse cx='32' cy='33' rx='15' ry='8'/%3E%3Cellipse cx='32' cy='24' rx='10.5' ry='6.5'/%3E%3Cellipse cx='32' cy='17' rx='6' ry='4.5'/%3E%3Ccircle cx='38.5' cy='13' r='3'/%3E%3C/g%3E%3C/svg%3E") center / contain no-repeat;
  animation: poop-float 5.5s ease-in-out infinite alternate;
}
@keyframes poop-float {
  from {
    translate: 0 0;
  }
  to {
    translate: 0 -10px;
  }
}

/* ---------- 信息流 ---------- */
.feed-section {
  margin-top: 44px;
}
.feed-section .section-heading {
  margin-bottom: 26px;
}
.masonry {
  columns: 3;
  column-gap: 24px;
}
@media (min-width: 1500px) {
  .masonry {
    columns: 4;
  }
}

/* ---------- 梗图卡片（豆腐块文章式） ---------- */
@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.meme-card {
  display: inline-block;
  width: 100%;
  margin: 0 0 24px;
  break-inside: avoid;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
  cursor: pointer;
  animation: card-in 0.45s var(--ease) both;
  transition: border-color 0.2s, transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.meme-card:hover {
  border-color: var(--text);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px color-mix(in srgb, var(--text) 10%, transparent);
}
.meme-card:active {
  transform: translateY(-1px);
}
.meme-card .meme-text {
  margin: 14px 0 18px;
  user-select: none;
}
.card-body {
  padding: 18px 20px 20px;
  border-top: 1px solid var(--line);
}
.meme-card:not(:has(.single-preview, .album-grid)) .card-body {
  border-top: 0;
}
.card-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--muted);
}
.channel {
  max-width: 75%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--accent);
  font-weight: 600;
}
/* 「精选」小印章 */
.tag-seal {
  flex: none;
  padding: 2px 6px;
  border: 1px solid var(--accent);
  border-radius: 2px;
  color: var(--accent);
  font-size: 10px;
  letter-spacing: 2px;
  transform: rotate(-2deg);
  opacity: 0.9;
}
.meme-text {
  margin: 15px 0 20px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: 15px;
  line-height: 1.8;
}
.card-actions button {
  flex: 1;
  padding: 9px 12px;
  font-size: 12px;
}
.source-link {
  display: block;
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px dotted var(--line);
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 1px;
  text-align: right;
}
a.source-link:hover {
  color: var(--accent);
}

/* ---------- 图片预览（九宫格） ---------- */
.single-preview,
.album-grid {
  background: var(--photo);
  border-bottom: 1px solid var(--line);
}
.meme-image {
  display: block;
  width: 100%;
  height: auto;
  max-height: 650px;
  object-fit: contain;
  background: var(--photo);
  transition: transform 0.35s var(--ease), filter 0.2s;
}
.single-preview:hover .meme-image {
  transform: scale(1.015);
}
.album-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2px;
  padding: 2px;
}
.album-grid-two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.preview-tile {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  border-radius: 0;
  overflow: hidden;
  background: var(--photo);
}
.preview-tile:hover:not(:disabled) {
  transform: none;
  box-shadow: none;
  background: var(--photo);
  border-color: transparent;
}
.preview-tile:hover:not(:disabled) .meme-image {
  transform: scale(1.05);
  filter: brightness(1.05);
}
.preview-tile:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: -3px;
}
.album-grid .preview-tile {
  aspect-ratio: 1;
}
.album-grid .meme-image {
  height: 100%;
  max-height: none;
  object-fit: cover;
}
/* 剪贴簿式微倾斜，hover 时扶正放大 */
.album-grid .preview-tile:nth-child(odd) .meme-image {
  transform: rotate(-0.9deg) scale(1.08);
}
.album-grid .preview-tile:nth-child(even) .meme-image {
  transform: rotate(0.9deg) scale(1.08);
}
.album-grid .preview-tile:hover:not(:disabled) .meme-image {
  transform: rotate(0deg) scale(1.12);
}
.preview-more {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 700;
}

/* ---------- 加载骨架屏 ---------- */
@keyframes shimmer {
  from {
    background-position: -200px 0;
  }
  to {
    background-position: 200px 0;
  }
}
.skeleton-card {
  display: inline-block;
  width: 100%;
  margin: 0 0 24px;
  break-inside: avoid;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
}
.skeleton-block {
  background: linear-gradient(90deg, var(--photo) 25%, color-mix(in srgb, var(--photo) 55%, var(--panel)) 50%, var(--photo) 75%);
  background-size: 400px 100%;
  animation: shimmer 1.3s linear infinite;
}
.skeleton-media {
  height: 190px;
  border-bottom: 1px solid var(--line);
}
.skeleton-body {
  padding: 18px 20px 20px;
}
.skeleton-line {
  height: 13px;
  border-radius: 2px;
  margin-bottom: 12px;
}
.skeleton-line:last-child {
  margin-bottom: 0;
}
.skeleton-line.short {
  width: 38%;
}

/* ---------- 预览对话框 ---------- */
.gallery-open {
  overflow: hidden;
}
@keyframes dialog-in {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes backdrop-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
.gallery-dialog[open] {
  animation: dialog-in 0.24s var(--ease);
}
.gallery-dialog[open]::backdrop {
  animation: backdrop-in 0.24s ease;
}
.gallery-dialog {
  width: min(1100px, 96vw);
  max-width: 96vw;
  max-height: 96dvh;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: 3px;
  background: var(--panel);
  color: var(--text);
}
.gallery-dialog::backdrop {
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(4px);
}
.gallery-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.gallery-toolbar span {
  margin-right: auto;
  font-family: var(--serif);
  font-style: italic;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}
.gallery-stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 160px;
  touch-action: pan-y pinch-zoom;
}
.gallery-image {
  display: block;
  max-width: 100%;
  max-height: 68dvh;
  object-fit: contain;
  background: var(--photo);
}
.gallery-dialog .gallery-image {
  max-height: 60dvh;
}
.gallery-prev,
.gallery-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  padding: 8px 16px;
  background: var(--panel);
  border-color: var(--line);
  font-family: var(--serif);
  font-size: 30px;
  line-height: 1;
}
.gallery-prev {
  left: 4px;
}
.gallery-next {
  right: 4px;
}
.gallery-prev:hover:not(:disabled),
.gallery-next:hover:not(:disabled) {
  transform: translateY(-50%);
  border-color: var(--accent);
  background: var(--panel);
  color: var(--accent);
}
.gallery-dialog button:disabled {
  cursor: default;
}
.gallery-message {
  min-height: 18px;
  margin: 10px 0 0;
  color: var(--accent);
  font-size: 13px;
}
.preview-text {
  padding: 10px 2px;
  user-select: text;
  border-top: 1px dotted var(--line);
}
.preview-actions {
  position: sticky;
  bottom: 0;
  margin-top: 14px;
  padding: 12px 0 2px;
  background: var(--panel);
  border-top: 1px solid var(--line);
}

/* ---------- 首页响应式 ---------- */
@media (max-width: 1000px) {
  .masonry {
    columns: 2;
  }
  .stamp {
    right: 3%;
    top: 100px;
    width: 80px;
    height: 116px;
    font-size: 37px;
    letter-spacing: 4px;
    border-radius: 9px;
  }
}
@media (max-width: 600px) {
  .hero {
    padding-top: 34px;
  }
  .hero h1 {
    font-size: 42px;
  }
  .stamp {
    width: 56px;
    height: 82px;
    font-size: 26px;
    letter-spacing: 2px;
    border-radius: 7px;
    box-shadow: inset 0 0 0 2px var(--on-accent), inset 0 0 0 4px var(--accent);
    top: 40px;
    opacity: 0.85;
  }
  .hero-top {
    flex-direction: column;
    gap: 4px;
    align-items: flex-start;
  }
  .hero-bottom {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .hero-bottom button {
    width: 100%;
  }
  .masonry {
    columns: 1;
  }
  .section-heading {
    flex-wrap: wrap;
  }
  .section-heading h2 {
    font-size: 17px;
  }
  .section-heading h2 small {
    display: none;
  }
  .pill {
    font-size: 10px;
  }
  .gallery-dialog {
    width: 100vw;
    max-width: 100vw;
    height: 100dvh;
    max-height: 100dvh;
    margin: 0;
    padding: 8px 14px calc(12px + env(safe-area-inset-bottom, 0px));
    border: 0;
    border-radius: 0;
    display: flex;
    flex-direction: column;
  }
  /* 顶部抽屉抓手 */
  .gallery-dialog::before {
    content: "";
    width: 38px;
    height: 4px;
    margin: 0 auto 8px;
    border-radius: 2px;
    background: var(--line);
    flex: none;
  }
  .gallery-toolbar {
    gap: 8px;
    flex: none;
    margin-bottom: 8px;
    padding-bottom: 8px;
  }
  .gallery-toolbar button {
    padding: 9px 12px;
  }
  /* 舞台撑满剩余空间，图片在其中居中 */
  .gallery-stage {
    flex: 1;
    min-height: 0;
  }
  .gallery-stage .gallery-image {
    max-height: 100%;
  }
  .gallery-prev,
  .gallery-next {
    width: 42px;
    height: 42px;
    padding: 0;
    border-radius: 50%;
    font-size: 22px;
    background: color-mix(in srgb, var(--panel) 82%, transparent);
  }
  .gallery-prev {
    left: 6px;
  }
  .gallery-next {
    right: 6px;
  }
  /* 文字说明限高滚动，操作区始终贴底 */
  .preview-text {
    max-height: 22dvh;
    overflow: auto;
    flex: none;
  }
  .preview-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    flex: none;
    margin-top: 10px;
    padding: 10px 0 0;
  }
  .preview-actions button {
    width: 100%;
    padding: 12px;
  }
  .preview-actions button:last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }
  .gallery-message {
    flex: none;
  }
}