/* ============================================================
   公共组件（暗色图库）
   顶栏 / 侧栏 / 卡片 / 分页 / 弹层 / Toast / 页脚
   ============================================================ */

/* ---------- 顶栏：60px 固定暗色条 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--bg-0);
  transition: box-shadow 0.3s var(--ease);
}

.site-header.scrolled {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.55);
}

.header-inner {
  max-width: none;
  height: var(--header-h);
  margin: 0;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 26px;
  border-radius: 0;
}

/* 品牌 */
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.3px;
  color: var(--text-1);
  white-space: nowrap;
}

.brand:hover {
  opacity: 1;
  color: var(--text-1);
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--accent);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 13px;
  box-shadow: 0 4px 14px rgba(49, 194, 124, 0.35);
}

/* 主导航（分类已移至左侧分类栏/移动端抽屉，顶栏不再重复放置） */

/* 搜索框 */
.header-search {
  position: relative;
  margin-left: auto;
  width: 250px;
}

.search-input {
  width: 100%;
  height: 36px;
  padding: 0 14px 0 38px;
  border-radius: 20px;
  border: 1px solid transparent;
  background: var(--panel-3);
  color: var(--text-1);
  font-size: 13.5px;
  outline: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.search-input::placeholder {
  color: var(--text-3);
}

.search-input:focus {
  border-color: var(--accent);
  background: #262626;
}

.search-btn {
  position: absolute;
  left: 12px;
  top: 8px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--text-3);
  font-size: 12px;
}

.search-btn:hover {
  color: var(--text-1);
  background: transparent;
}

/* 搜索建议下拉 */
.suggest-panel {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  border-radius: var(--radius);
  overflow: hidden;
  display: none;
  background: var(--panel-2);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-2);
}

.suggest-panel.open {
  display: block;
}

.suggest-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  color: var(--text-1);
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--dur) var(--ease);
}

.suggest-item + .suggest-item {
  border-top: 1px solid var(--border);
}

.suggest-item:hover {
  background: var(--panel-3);
  opacity: 1;
  color: var(--text-1);
}

.suggest-item i {
  color: var(--text-3);
  font-size: 12px;
}

.suggest-item .suggest-title {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.suggest-empty {
  padding: 14px;
  text-align: center;
  color: var(--text-3);
  font-size: 13px;
}

/* 用户区 */
.header-user {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.user-name {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border-radius: var(--radius-s);
  background: var(--panel-2);
  color: var(--text-1);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.user-name:hover {
  opacity: 1;
  background: var(--panel-3);
  color: var(--accent);
}

.vip-badge {
  padding: 1.5px 8px;
  border-radius: var(--radius-full);
  background: linear-gradient(160deg, #ffb340, var(--amber));
  color: #fff;
  font-size: 11px;
  font-weight: 700;
}

.admin-badge {
  padding: 1.5px 8px;
  border-radius: var(--radius-full);
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
}

.icon-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-s);
  display: grid;
  place-items: center;
  color: var(--text-2);
  background: var(--panel-2);
  transition: all var(--dur) var(--ease);
}

.icon-btn:hover {
  color: var(--accent);
  background: var(--panel-3);
}

/* 汉堡按钮（移动端） */
.hamburger {
  display: none;
}

/* 移动端抽屉 */
.drawer {
  position: fixed;
  top: 0;
  right: -300px;
  width: 284px;
  height: 100vh;
  border-radius: 0;
  z-index: 130;
  padding: 20px;
  overflow-y: auto;
  background: var(--panel);
  border-left: 1px solid var(--border-strong);
  transition: right 0.3s var(--ease);
}

.drawer.open {
  right: 0;
}

.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.drawer-title {
  font-size: 17px;
  font-weight: 700;
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 20px;
}

.drawer-nav a {
  padding: 12px 12px;
  border-radius: var(--radius-s);
  color: var(--text-1);
  font-size: 15px;
  text-decoration: none;
}

.drawer-nav a:hover,
.drawer-nav a.active {
  background: var(--panel-2);
  color: var(--accent);
  opacity: 1;
}

.drawer-user {
  border-top: 1px solid var(--border-strong);
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* 遮罩 */
.dimmer {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 120;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease);
}

.dimmer.show {
  opacity: 1;
  pointer-events: auto;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  height: 36px;
  padding: 0 18px;
  border-radius: 20px;
  font-size: 13.5px;
  font-weight: 600;
  border: none;
  transition: filter var(--dur) var(--ease), transform 0.2s var(--ease),
    background var(--dur) var(--ease), color var(--dur) var(--ease);
  white-space: nowrap;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
  opacity: 1;
}

.btn:active {
  transform: scale(0.96);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  filter: brightness(1.1);
  color: #fff;
}

.btn-ghost {
  background: var(--panel-2);
  color: var(--text-1);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--panel-3);
  color: var(--text-1);
}

.btn-gold {
  background: linear-gradient(160deg, #ffb340, var(--amber));
  color: #fff;
}

.btn-gold:hover:not(:disabled) {
  filter: brightness(1.08);
  color: #fff;
}

.btn-danger {
  background: rgba(255, 77, 79, 0.14);
  color: var(--danger);
}

.btn-danger:hover:not(:disabled) {
  background: rgba(255, 77, 79, 0.24);
  color: var(--danger);
}

.btn-sm {
  height: 30px;
  padding: 0 13px;
  font-size: 13px;
}

.btn-lg {
  height: 46px;
  padding: 0 28px;
  font-size: 15.5px;
  border-radius: 24px;
}

/* ---------- 输入控件 ---------- */
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 15px;
}

.field label {
  font-size: 13px;
  color: var(--text-2);
  font-weight: 600;
}

.input, .select, .textarea {
  width: 100%;
  height: 40px;
  padding: 0 13px;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  background: var(--panel-2);
  color: var(--text-1);
  font-size: 15px;
  outline: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.textarea {
  height: auto;
  min-height: 76px;
  padding: 11px 13px;
  resize: vertical;
}

.input:focus, .select:focus, .textarea:focus {
  border-color: var(--accent);
  background: #262626;
}

.input::placeholder, .textarea::placeholder {
  color: var(--text-3);
}

.select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%23777777' d='M5 6 0 0h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 13px center;
  padding-right: 32px;
}

.select option {
  background: var(--panel-2);
  color: var(--text-1);
}

/* ---------- 分类 chips（移动端/其他页面备用，桌面端分类走左侧栏） ---------- */
.chip-row {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding: 2px;
  margin-bottom: 12px;
  scrollbar-width: none;
}

.chip-row::-webkit-scrollbar {
  display: none;
}

.chip {
  flex-shrink: 0;
  padding: 7px 16px;
  border-radius: var(--radius-s);
  background: var(--panel);
  color: var(--text-2);
  font-size: 13.5px;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--dur) var(--ease);
}

.chip:hover {
  opacity: 1;
  color: var(--text-1);
  background: var(--panel-2);
}

.chip.active {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}

/* ---------- 标签行 ---------- */
.tag-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 22px;
  padding: 16px 0 6px;
}

.tag-pill {
  color: var(--text-2);
  font-size: 13.5px;
  text-decoration: none;
  padding: 2px 0;
  transition: color var(--dur) var(--ease);
}

.tag-pill:hover {
  color: var(--accent);
  opacity: 1;
}

.tag-pill.active {
  color: var(--accent);
  font-weight: 700;
}

.tag-pill .tag-count {
  margin-left: 3px;
  opacity: 0.55;
  font-size: 12px;
}

/* ---------- 列表头 ---------- */
.list-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 18px 0 16px;
}

.list-title {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.3px;
}

.list-title .accent {
  color: var(--accent);
}

.list-sub {
  color: var(--text-3);
  font-size: 13px;
}

/* ---------- 布局：左侧分类菜单 + 主内容（首页） ---------- */
.layout {
  display: flex;
  padding-top: var(--header-h);
  min-height: 100vh;
}

.side {
  width: var(--side-w);
  flex-shrink: 0;
  position: sticky;
  top: var(--header-h);
  height: calc(100vh - var(--header-h));
  overflow-y: auto;
  padding: 22px 0 20px;
  border-right: 1px solid var(--border);
  scrollbar-width: none;
}

.side::-webkit-scrollbar {
  display: none;
}

.side-title {
  padding: 0 22px 10px;
  font-size: 11.5px;
  letter-spacing: 2px;
  color: var(--text-3);
  text-transform: uppercase;
}

.side-nav {
  display: flex;
  flex-direction: column;
}

.side a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10.5px 22px;
  font-size: 14px;
  color: var(--text-2);
  border-left: 2px solid transparent;
  transition: all 0.18s var(--ease);
}

.side a:hover {
  color: var(--text-1);
  background: #1b1b1b;
  opacity: 1;
}

.side a.active,
.side a.on {
  color: var(--accent);
  border-left-color: var(--accent);
  background: linear-gradient(90deg, var(--accent-soft), transparent 78%);
  font-weight: 600;
}

.side a .side-count {
  margin-left: auto;
  font-size: 11.5px;
  color: var(--text-3);
}

.side-divider {
  height: 1px;
  margin: 14px 22px;
  background: #232323;
}

.main-col {
  flex: 1;
  min-width: 0;
  padding: 0 26px 40px;
}

/* ---------- 图集卡片（暗色图库结构） ---------- */
.post-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 16px;
}

.post-card {
  width: calc((100% - 64px) / 5);
  display: flex;
  flex-direction: column;
  cursor: pointer;
}

.card-media {
  position: relative;
  margin: 0;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--panel);
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease), filter 0.4s var(--ease), opacity 0.45s var(--ease);
}

.post-card:hover .card-media img {
  transform: scale(1.05);
  filter: brightness(0.72);
}

/* 图片加载失败的占位 */
.img-broken {
  background: linear-gradient(150deg, #26262e, #1d1d22) !important;
}

.img-broken::before {
  content: '\f1c5';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 30px;
  color: rgba(255, 255, 255, 0.2);
}

img.img-failed {
  visibility: hidden;
}

/* 右上角张数胶囊 */
.card-count {
  position: absolute;
  right: 9px;
  top: 9px;
  z-index: 3;
  padding: 3px 11px;
  border-radius: var(--radius-full);
  background: rgba(0, 0, 0, 0.62);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: #f9f9f9;
  font-size: 12.5px;
  font-weight: 600;
}

/* 底部时间条 */
.card-date {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 26px 10px 8px;
  background-image: linear-gradient(180deg, transparent, rgba(15, 15, 15, 0.55) 62%, rgba(15, 15, 15, 0.82));
  color: rgba(255, 255, 255, 0.85);
  font-size: 12px;
  text-align: right;
  pointer-events: none;
}

/* hover 信息层 */
.card-hover {
  position: absolute;
  inset: 0;
  z-index: 4;
  background: linear-gradient(180deg, rgba(10, 10, 10, 0.12) 30%, rgba(10, 10, 10, 0.78) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 14px;
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  pointer-events: none;
}

.card-hover .h-line {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12.5px;
  color: #f9f9f9;
  transform: translateY(8px);
  transition: transform 0.3s var(--ease);
}

.card-hover .h-line + .h-line {
  margin-top: 5px;
}

.card-hover i {
  font-style: normal;
  color: var(--accent);
  font-size: 11px;
  width: 30px;
  flex-shrink: 0;
}

.card-hover span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: rgba(255, 255, 255, 0.9);
}

.post-card:hover .card-hover {
  opacity: 1;
}

.post-card:hover .card-hover .h-line {
  transform: translateY(0);
}

/* 文字段（实底面板） */
.card-title {
  background: var(--panel-2);
  padding: 10px 12px 2px;
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.2px;
  color: var(--text-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--dur) var(--ease);
}

.post-card:hover .card-title {
  color: var(--accent);
}

.card-sub {
  background: var(--panel-2);
  padding: 3px 12px 11px;
  border-radius: 0 0 var(--radius) var(--radius);
  font-size: 12.5px;
  color: var(--text-3);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  overflow: hidden;
}

.card-cat {
  color: var(--text-3);
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #444;
  flex-shrink: 0;
}

.card-meta {
  color: var(--text-2);
  flex-shrink: 0;
}

.card-meta:hover {
  color: var(--accent);
}

/* 网格骨架 */
.grid-skeleton .card-media {
  border-radius: 0;
}

/* ---------- 分页 ---------- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.page-btn {
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border-radius: var(--radius-s);
  background: var(--panel);
  color: var(--text-2);
  font-size: 14px;
  font-weight: 500;
  display: grid;
  place-items: center;
  text-decoration: none;
  transition: all var(--dur) var(--ease);
}

.page-btn:hover:not(:disabled):not(.current) {
  color: var(--text-1);
  background: var(--panel-2);
}

.page-btn.current {
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}

.page-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.page-ellipsis {
  color: var(--text-3);
  padding: 0 4px;
}

/* ---------- Toast ---------- */
.toast-wrap {
  position: fixed;
  top: calc(var(--header-h) + 12px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 300;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}

.toast {
  padding: 11px 22px;
  border-radius: var(--radius-full);
  background: rgba(30, 30, 30, 0.92);
  border: 1px solid var(--border-strong);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 8px;
  animation: toast-in 0.3s var(--ease);
}

.toast.success i { color: var(--success); }
.toast.error i { color: var(--danger); }
.toast.info i { color: #58a6ff; }

.toast.out {
  animation: toast-out 0.25s var(--ease) forwards;
}

@keyframes toast-in {
  /* 不用 opacity 参与：动画冻结时提示也必须可见 */
  from { transform: translateY(-12px) scale(0.94); }
  to { transform: translateY(0) scale(1); }
}

@keyframes toast-out {
  from { opacity: 1; }
  to { opacity: 0; transform: translateY(-12px) scale(0.96); }
}

/* ---------- Modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 7vh 16px 16px;
  overflow-y: auto;
}

.modal.open {
  display: flex;
}

.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.modal-box {
  position: relative;
  width: 100%;
  max-width: 520px;
  border-radius: var(--radius-l);
  background: var(--panel-2);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-2);
  animation: modal-in 0.28s var(--ease);
}

.modal-box.wide {
  max-width: 860px;
}

@keyframes modal-in {
  /* 不用 opacity 参与：动画被系统冻结时弹窗也必须完整可见 */
  from { transform: translateY(14px) scale(0.98); }
  to { transform: translateY(0) scale(1); }
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 22px 0;
}

.modal-title {
  font-size: 18px;
  letter-spacing: -0.3px;
}

.modal-close {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-s);
  display: grid;
  place-items: center;
  color: var(--text-2);
  background: var(--panel-3);
}

.modal-close:hover {
  color: var(--text-1);
  background: #3a3a3a;
}

.modal-body {
  padding: 18px 22px 8px;
}

.modal-foot {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 12px 22px 22px;
}

/* ---------- 空状态 ---------- */
.empty-state {
  width: 100%;
  padding: 90px 20px;
  text-align: center;
  color: var(--text-3);
}

.empty-state i {
  font-size: 42px;
  margin-bottom: 14px;
  display: block;
  opacity: 0.4;
}

.empty-state p {
  font-size: 15px;
}

/* ---------- 返回顶部 ---------- */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 28px;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-s);
  background: var(--panel);
  border: 1px solid var(--border-strong);
  color: var(--text-2);
  display: grid;
  place-items: center;
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: all 0.3s var(--ease);
}

.back-top.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-top:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ---------- 页脚 ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 26px 32px;
}

/* 仅首页（存在侧栏布局时）页脚跟随侧栏偏移 */
.layout ~ .site-footer {
  margin-left: var(--side-w);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--text-3);
  font-size: 13px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1500px) {
  .post-card { width: calc((100% - 48px) / 4); }
}

@media (max-width: 1150px) {
  .post-card { width: calc((100% - 32px) / 3); }
}

@media (max-width: 992px) {
  .hamburger { display: grid; }
  .header-user .user-name { display: none; }
  .header-user .icon-btn { display: none; }
  .side { display: none; }
  .layout ~ .site-footer { margin-left: 0; }
}

@media (max-width: 768px) {
  .header-search { width: 170px; }
  .post-card { width: calc((100% - 16px) / 2); }
  .list-title { font-size: 19px; }
  .back-top { right: 16px; bottom: 20px; }
  .main-col { padding: 0 16px 30px; }
  .site-footer { padding: 20px 16px 28px; }
}

@media (max-width: 480px) {
  .header-search { display: none; }
  .post-card { width: 100%; }
  .card-media { aspect-ratio: 4 / 4.4; }
}

.image-retry { position:absolute; inset:40% 10% auto; z-index:3; white-space:normal; }
.image-retry[hidden] { display:none; }
.edit-conflict { color:var(--danger); padding:8px 16px; }