/* ============================================================
   1. 变量 & 全局重置
   ============================================================ */
:root {
  --neon-cyan:    #00F0FF;
  --neon-magenta: #FF2E97;
  --neon-yellow:  #F9F002;
  --neon-red:     #FF003C;
  --neon-purple:  #B026FF;

  --bg-void:    #0A0E1A;
  --bg-indigo:  #11132B;
  --bg-surface: #1A1F3A;
  --grid-line:  #1F2A4A;

  --text-main: #E6F1FF;
  --text-sub:  #7A8CA8;
  --text-mute: #3D4A6B;

  --font-title: 'Orbitron', 'Rajdhani', sans-serif;
  --font-mono:  'JetBrains Mono', 'Share Tech Mono', monospace;
  --font-body:  'Rajdhani', system-ui, sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: rgba(10,14,26,.55);
  background-image:
    radial-gradient(ellipse at top, rgba(26,29,61,.5) 0%, transparent 70%),
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 100% 100%, 40px 40px, 40px 40px;
  min-height: 100vh;
  overflow-x: hidden;
  letter-spacing: .5px;
}

img {
  display: block;
  max-width: 100%;
}

/* ============================================================
   2. 全屏特效
   ============================================================ */
.bg-video {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .6;
  z-index: -1;
  pointer-events: none;
}

.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,.04) 0,
    rgba(255,255,255,.04) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: overlay;
  opacity: .6;
}

.scan-beam {
  position: fixed;
  left: 0;
  right: 0;
  height: 2px;
  top: 0;
  z-index: 9999;
  background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
  box-shadow: 0 0 12px var(--neon-cyan);
  animation: beamMove 6s linear infinite;
  pointer-events: none;
}

@keyframes beamMove {
  0%   { top: -2px; }
  100% { top: 100vh; }
}

/* ============================================================
   3. HUD 顶栏
   ============================================================ */
.hud {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  background: rgba(10,14,26,.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--neon-cyan);
  box-shadow: 0 0 16px rgba(0,240,255,.25);
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 2px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.hud-left {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.logo {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 18px;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-magenta), var(--neon-purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.version {
  color: var(--text-sub);
}

.hud-right {
  display: flex;
  gap: 24px;
  align-items: center;
}

.hud-btn {
  background: transparent;
  border: none;
  color: var(--text-sub);
  font-size: 18px;
  cursor: pointer;
  padding: 4px 8px;
  transition: .15s;
  line-height: 1;
}

.hud-btn:hover {
  color: var(--neon-cyan);
  text-shadow: 0 0 8px var(--neon-cyan);
}

.status .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--neon-cyan);
  margin-right: 6px;
  box-shadow: 0 0 8px var(--neon-cyan);
  animation: breathe 1.6s ease-in-out infinite;
}

@keyframes breathe {
  0%, 100% { opacity: 1; }
  50%      { opacity: .3; }
}

.counter b {
  color: var(--neon-yellow);
  text-shadow: 0 0 8px var(--neon-yellow);
}

/* ============================================================
   4. 主体
   ============================================================ */
main {
  max-width: 1400px;
  margin: 32px auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  align-items: start;
}

/* ============================================================
   5. 上传区（DATA UPLINK）
   ============================================================ */
.uplink {
  position: relative;
  background: rgba(10,14,26,.45);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--neon-cyan);
  box-shadow:
    0 0 18px rgba(0,240,255,.35),
    inset 0 0 30px rgba(0,240,255,.08);
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  overflow: hidden;
  transition: border-color .3s, box-shadow .3s, transform .3s;
}

/* 内部扫描线动画 */
.uplink::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
  animation: scanDown 2.4s linear infinite;
}

@keyframes scanDown {
  0%   { top: 0; }
  100% { top: 100%; }
}

/* 拖拽悬停态 */
.uplink.hover {
  border-color: var(--neon-magenta);
  box-shadow: 0 0 32px rgba(255,46,151,.6), inset 0 0 40px rgba(255,46,151,.15);
  transform: scale(1.02);
}

/* 悬停 - 竖向品红扫描线 */
.uplink.hover::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: var(--neon-magenta);
  box-shadow: 0 0 10px var(--neon-magenta);
  animation: scanVert 1s linear infinite;
  z-index: 5;
  pointer-events: none;
}

/* 悬停 - 图标品红发光 */
.uplink.hover .uplink-icon {
  color: var(--neon-magenta);
  text-shadow: 0 0 20px var(--neon-magenta), 0 0 40px rgba(255,46,151,.6);
}

/* 悬停 - 角标增强发光 */
.uplink.hover .corner {
  box-shadow: 0 0 12px var(--neon-magenta);
}

/* 四角 L 型角标 */
.corner {
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid var(--neon-magenta);
}

.corner.tl { top: 8px; left: 8px; border-right: none; border-bottom: none; }
.corner.tr { top: 8px; right: 8px; border-left: none; border-bottom: none; }
.corner.bl { bottom: 8px; left: 8px; border-right: none; border-top: none; }
.corner.br { bottom: 8px; right: 8px; border-left: none; border-top: none; }

/* 标题 */
.uplink-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--neon-cyan);
  margin-bottom: 24px;
  text-shadow: 0 0 8px var(--neon-cyan);
}

/* ▼ 图标 */
.uplink-icon {
  font-size: 56px;
  color: var(--neon-cyan);
  margin-bottom: 12px;
  text-shadow: 0 0 16px var(--neon-cyan), 0 0 32px rgba(0,240,255,.6);
  animation: floatY 2.4s ease-in-out infinite;
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}

/* 主文案 */
.uplink-main {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

/* 闪烁光标 */
.caret {
  display: inline-block;
  color: var(--neon-cyan);
  animation: blink 1s steps(2) infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

@keyframes scanVert {
  0%   { top: 0; }
  100% { top: 100%; }
}

/* 副文案 */
.uplink-sub {
  color: var(--text-sub);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 2px;
}

/* 上传进度条 */
.upload-progress {
  margin-top: 20px;
}

.upload-progress-text {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--neon-cyan);
  letter-spacing: 1px;
  margin-bottom: 8px;
  text-shadow: 0 0 4px rgba(0,240,255,.5);
}

.upload-progress-track {
  height: 4px;
  background: rgba(255,255,255,.08);
  overflow: hidden;
}

.upload-progress-fill {
  height: 100%;
  background: var(--neon-cyan);
  box-shadow: 0 0 10px var(--neon-cyan);
  transition: width .1s linear;
}

/* 上传队列面板 */
#uploadQueue {
  background: var(--bg-indigo);
  border: 1px solid var(--grid-line);
  border-top: none;
  margin-top: 0;
  font-family: var(--font-mono);
  max-height: 260px;
  overflow-y: auto;
}

.uq-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 14px;
  border-bottom: 1px solid var(--grid-line);
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--neon-cyan);
}

.uq-close {
  background: transparent;
  border: none;
  color: var(--text-mute);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
}
.uq-close:hover {
  color: var(--neon-red);
}

.uq-item {
  display: grid;
  grid-template-columns: 1fr 120px 60px;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-bottom: 1px solid rgba(31,42,74,0.5);
}

.uq-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.uq-name {
  font-size: 12px;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.uq-size {
  font-size: 10px;
  color: var(--text-mute);
}

.uq-bar-wrap {
  height: 4px;
  background: var(--bg-surface);
  border-radius: 2px;
  overflow: hidden;
}

.uq-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--neon-cyan);
  box-shadow: 0 0 6px var(--neon-cyan);
  transition: width 0.2s;
}

.uq-status {
  font-size: 11px;
  text-align: right;
  color: var(--text-mute);
  white-space: nowrap;
}

.uq-retry {
  font-size: 10px;
  padding: 2px 6px;
  border-color: var(--neon-yellow);
  color: var(--neon-yellow);
  cursor: pointer;
  background: transparent;
}

.uq-failed {
  color: var(--neon-red);
  font-size: 11px;
}

/* 上传成功闪动 */
@keyframes uplinkFlash {
  0%   {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 18px rgba(0,240,255,.35), inset 0 0 30px rgba(0,240,255,.08);
  }
  50%  {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 48px rgba(0,240,255,.9), inset 0 0 80px rgba(0,240,255,.35);
  }
  100% {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 18px rgba(0,240,255,.35), inset 0 0 30px rgba(0,240,255,.08);
  }
}

.uplink.flash-success {
  animation: uplinkFlash .6s ease;
}

/* ============================================================
   6. 区块标题 & 视图切换
   ============================================================ */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 40px 0 16px;
}

.section-title {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--neon-cyan);
  text-shadow: 0 0 6px rgba(0,240,255,.6);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.view-toggle {
  display: flex;
  gap: 0;
  border: 1px solid var(--grid-line);
}

.view-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  padding: 5px 12px;
  background: transparent;
  border: none;
  color: var(--text-sub);
  cursor: pointer;
  transition: .15s;
  text-transform: uppercase;
}

.view-btn + .view-btn {
  border-left: 1px solid var(--grid-line);
}

.view-btn:hover {
  color: var(--neon-cyan);
}

.view-btn.active {
  background: rgba(0,240,255,.1);
  color: var(--neon-cyan);
  box-shadow: inset 0 -2px 0 var(--neon-cyan);
}

/* ============================================================
   6.5 控制栏（搜索 / 排序 / 筛选）
   ============================================================ */
.gallery-controls {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  padding: 12px 16px;
  background: var(--bg-indigo);
  border: 1px solid var(--grid-line);
  font-family: var(--font-mono);
}

.batch-toggle-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 4px 12px;
  letter-spacing: 1px;
  background: transparent;
  border: 1px solid var(--grid-line);
  color: var(--text-sub);
  cursor: pointer;
  transition: .15s;
  white-space: nowrap;
}
.batch-toggle-btn:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}
.batch-toggle-btn.active {
  border-color: var(--neon-magenta);
  color: var(--neon-magenta);
  background: rgba(255,46,151,0.1);
  box-shadow: 0 0 8px rgba(255,46,151,0.3);
}

/* --- 搜索 --- */
.search-wrap {
  flex: 1;
  min-width: 160px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--neon-cyan);
}

.search-prefix {
  color: var(--neon-cyan);
  font-size: 14px;
  flex-shrink: 0;
}

.search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 4px 0;
  letter-spacing: 1px;
}

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

.search-input::selection {
  background: var(--neon-cyan);
  color: var(--bg-void);
}

/* --- 排序 --- */
.sort-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ctrl-label {
  color: var(--text-mute);
  font-size: 11px;
  letter-spacing: 2px;
  white-space: nowrap;
}

.ctrl-select {
  background: var(--bg-surface);
  border: 1px solid var(--grid-line);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 4px 8px;
  cursor: pointer;
  outline: none;
}

.ctrl-select:focus {
  border-color: var(--neon-cyan);
}

/* --- 格式筛选 --- */
.filter-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.filter-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  padding: 3px 10px;
  background: transparent;
  border: 1px solid var(--grid-line);
  color: var(--text-sub);
  cursor: pointer;
  transition: .15s;
}

.filter-tag.active {
  border-color: var(--neon-magenta);
  color: var(--neon-magenta);
  background: rgba(255,46,151,.1);
  box-shadow: 0 0 8px rgba(255,46,151,.3);
}

.filter-tag:hover:not(.active) {
  border-color: var(--text-sub);
  color: var(--text-main);
}

/* 标签筛选 */
.tag-filter-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  width: 100%;
  margin-top: 8px;
}

.tag-filter-list {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tag-filter-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 10px;
  cursor: pointer;
  background: transparent;
  border: 1px solid var(--grid-line);
  color: var(--text-sub);
  transition: .15s;
}
.tag-filter-btn.active {
  border-color: var(--neon-magenta);
  color: var(--neon-magenta);
  background: rgba(255,46,151,0.1);
}
.tag-filter-btn:hover:not(.active) {
  border-color: var(--text-sub);
  color: var(--text-main);
}

/* 卡片内标签 */
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 6px 8px 2px 8px;
  min-height: 28px;
}

.card-tag {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 1px 6px;
  background: rgba(0,240,255,0.08);
  border: 1px solid rgba(0,240,255,0.3);
  color: var(--neon-cyan);
}

.tag-del-btn {
  background: transparent;
  border: none;
  color: var(--text-mute);
  cursor: pointer;
  font-size: 11px;
  padding: 0 1px;
  line-height: 1;
}
.tag-del-btn:hover {
  color: var(--neon-red);
}

.tag-add-btn {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 1px 6px;
  cursor: pointer;
  background: transparent;
  border: 1px dashed var(--text-mute);
  color: var(--text-mute);
  transition: .15s;
}
.tag-add-btn:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

.tag-input {
  font-family: var(--font-mono);
  font-size: 11px;
  width: 80px;
  padding: 1px 4px;
  background: var(--bg-surface);
  border: none;
  border-bottom: 1px solid var(--neon-cyan);
  color: var(--text-main);
  outline: none;
  caret-color: var(--neon-cyan);
}

.tag-confirm-btn,
.tag-cancel-btn {
  font-size: 11px;
  padding: 1px 5px;
  background: transparent;
  cursor: pointer;
  border: 1px solid;
}
.tag-confirm-btn {
  color: var(--neon-cyan);
  border-color: var(--neon-cyan);
}
.tag-cancel-btn {
  color: var(--text-mute);
  border-color: var(--text-mute);
}

/* ============================================================
   7. 卡片网格
   ============================================================ */
.gallery {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

/* 列表视图 */
.gallery-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.gallery-list .card {
  display: flex;
  flex-direction: row;
  align-items: stretch;
}

.gallery-list .card .preview {
  width: 72px;
  aspect-ratio: auto;
  flex-shrink: 0;
  border-bottom: none;
  border-right: 1px solid var(--neon-cyan);
}

.gallery-list .card .info {
  flex: 1;
  display: flex;
  align-items: center;
}

.gallery-list .card .info-row {
  width: 100%;
}

.gallery-list .card .info .meta {
  font-size: 12px;
}

.gallery-list .card-overlay {
  display: none;
}

.gallery-list .badge-ext {
  display: none;
}

.card {
  position: relative;
  background: rgba(17,19,43,.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--grid-line);
  transition: .25s;
  overflow: hidden;
  animation: cardIn .4s ease both;
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.card:hover {
  border-color: var(--neon-cyan);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,240,255,.25);
}

/* 图片预览 */
.card .preview {
  aspect-ratio: 1 / 1;
  position: relative;
  background: var(--bg-void);
  overflow: hidden;
  border-bottom: 1px solid var(--neon-cyan);
  box-shadow: 0 1px 8px rgba(0,240,255,.4);
}

.card .preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 悬停覆盖层 */
.card-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: rgba(10,14,26,.75);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
}

.card:hover .card-overlay {
  opacity: 1;
  pointer-events: auto;
}

.card-overlay-btns {
  display: flex;
  gap: 6px;
}

.btn-overlay {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  padding: 5px 10px;
  background: transparent;
  border: 1px solid var(--neon-cyan);
  color: var(--neon-cyan);
  cursor: pointer;
  transition: .15s;
  text-transform: uppercase;
}

.btn-overlay:hover {
  background: var(--neon-cyan);
  color: var(--bg-void);
  box-shadow: 0 0 12px var(--neon-cyan);
}

.btn-overlay.btn-preferred {
  background: rgba(0,240,255,.12);
  border-bottom: 2px solid var(--neon-cyan);
}

.btn-overlay.btn-preferred:hover {
  background: var(--neon-cyan);
  color: var(--bg-void);
  box-shadow: 0 0 12px var(--neon-cyan);
}

.card-overlay-name {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-sub);
  max-width: 90%;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 编号角标 */
.card .badge-id {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(10,14,26,.8);
  color: var(--neon-yellow);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 6px;
  border: 1px solid var(--neon-yellow);
  text-shadow: 0 0 4px var(--neon-yellow);
}

.card .badge-id .badge-filename {
  font-size: 10px;
  color: var(--neon-yellow);
  opacity: 0.85;
  margin-left: 4px;
  font-family: var(--font-mono);
  vertical-align: middle;
}

/* 扩展名角标 */
.card .badge-ext {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(10,14,26,.8);
  color: var(--neon-cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 6px;
  border: 1px solid var(--neon-cyan);
}

/* 信息区 */
.card .info {
  padding: 10px 12px;
}

.card .info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
}

.card .info .meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-sub);
}

/* 重命名按钮 */
.btn-rename {
  background: transparent;
  border: 1px solid var(--text-mute);
  color: var(--text-mute);
  font-size: 14px;
  padding: 3px 7px;
  cursor: pointer;
  transition: .15s;
  line-height: 1;
  border-radius: 2px;
}
.btn-rename:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  box-shadow: 0 0 6px rgba(0,240,255,0.3);
}

.btn-move {
  font-size: 14px;
}

.btn-move:hover {
  border-color: var(--neon-magenta);
  color: var(--neon-magenta);
  box-shadow: 0 0 6px rgba(255,46,151,.3);
}

/* 重命名输入框 */
.rename-input {
  flex: 1;
  min-width: 0;
  background: var(--bg-surface);
  border: none;
  border-bottom: 1px solid var(--neon-cyan);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 2px 4px;
  outline: none;
  caret-color: var(--neon-cyan);
}

.rename-ok {
  color: var(--neon-cyan);
  border-color: var(--neon-cyan);
  padding: 3px 6px;
  font-size: 12px;
}
.rename-ok:hover {
  background: var(--neon-cyan);
  color: var(--bg-void);
}

.rename-cancel {
  color: var(--text-mute);
  border-color: var(--text-mute);
  padding: 3px 6px;
  font-size: 12px;
}
.rename-cancel:hover {
  border-color: var(--neon-red);
  color: var(--neon-red);
}

/* ============================================================
   7.5 批量选择
   ============================================================ */
.batch-mode .card {
  cursor: pointer;
}

.card-check {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 10;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--neon-magenta);
  background: rgba(10,14,26,.8);
  color: transparent;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: .15s;
  opacity: 0;
  pointer-events: none;
}

.batch-mode .card-check {
  opacity: 1;
  pointer-events: auto;
}

.card-selected .card-check {
  background: var(--neon-magenta);
  color: var(--bg-void);
  box-shadow: 0 0 8px var(--neon-magenta);
}

.card-selected {
  border-color: var(--neon-magenta) !important;
  box-shadow: 0 0 16px rgba(255,46,151,.4) !important;
}

/* 底部批量工具栏 */
.batch-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 350;
  background: rgba(10,14,26,.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 2px solid var(--neon-magenta);
  box-shadow: 0 -4px 24px rgba(255,46,151,.3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  gap: 12px;
  font-family: var(--font-mono);
  animation: slideUp .25s ease;
}

.batch-bar.hidden {
  display: none;
}

.bb-info {
  color: var(--text-sub);
  font-size: 13px;
  letter-spacing: 2px;
  white-space: nowrap;
}

.bb-info b {
  color: var(--neon-magenta);
  text-shadow: 0 0 6px var(--neon-magenta);
}

.bb-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

/* ============================================================
   7.6 审核状态徽章
   ============================================================ */
.badge-mod {
  position: absolute;
  top: 8px;
  left: 72px;
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 6px;
  letter-spacing: 1px;
  z-index: 6;
  text-transform: uppercase;
}

.badge-mod.pending {
  background: rgba(249,240,2,.15);
  border: 1px solid var(--neon-yellow);
  color: var(--neon-yellow);
}

.badge-mod.need-review {
  background: rgba(176,38,255,.15);
  border: 1px solid var(--neon-purple);
  color: var(--neon-purple);
}

.badge-mod.rejected {
  background: rgba(255,0,60,.15);
  border: 1px solid var(--neon-red);
  color: var(--neon-red);
}

.mod-hint {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--neon-yellow);
  margin-top: 4px;
  letter-spacing: 1px;
}

/* ============================================================
   Lightbox 审核状态
   ============================================================ */
.lb-mod-status {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--neon-yellow);
  margin-left: 8px;
}

/* ============================================================
   管理员面板 Tab
   ============================================================ */
.admin-tabs {
  display: flex;
  border-bottom: 1px solid var(--grid-line);
  flex-shrink: 0;
}

.admin-tab-btn {
  flex: 1;
  padding: 10px 16px;
  background: transparent;
  border: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--text-sub);
  cursor: pointer;
  transition: .15s;
  text-transform: uppercase;
}

.admin-tab-btn:hover {
  color: var(--neon-cyan);
}

.admin-tab-btn.active {
  color: var(--neon-cyan);
  border-bottom: 2px solid var(--neon-cyan);
}

/* ============================================================
   审核复审面板
   ============================================================ */
#moderationList {
  overflow-y: auto;
  flex: 1;
  padding: 8px 0;
}

#moderationList.hidden {
  display: none;
}

#adminUserList.hidden {
  display: none;
}

.mod-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--grid-line);
  transition: background .15s;
}

.mod-row:hover {
  background: rgba(0,240,255,.03);
}

.mod-thumb {
  width: 50px;
  height: 50px;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--grid-line);
}

.mod-info {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 11px;
  min-width: 0;
}

.mod-name {
  color: var(--text-main);
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

.mod-meta {
  color: var(--text-sub);
  margin-top: 3px;
  line-height: 1.6;
}

.mod-btns {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.mod-empty {
  text-align: center;
  padding: 40px;
  color: var(--text-mute);
  font-family: var(--font-mono);
  font-size: 13px;
}

/* ============================================================
   审核数量徽章
   ============================================================ */
.mod-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--neon-magenta);
  color: var(--bg-void);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 6px var(--neon-magenta);
}

/* ============================================================
   8. 按钮
   ============================================================ */
.btn {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  padding: 6px 4px;
  background: transparent;
  border: 1px solid var(--neon-cyan);
  color: var(--neon-cyan);
  cursor: pointer;
  transition: .15s;
  text-transform: uppercase;
}

.btn:hover {
  background: var(--neon-cyan);
  color: var(--bg-void);
  box-shadow: 0 0 12px var(--neon-cyan);
}

.btn-danger {
  border-color: var(--neon-red);
  color: var(--neon-red);
}

.btn-danger:hover {
  background: var(--neon-red);
  color: var(--text-main);
  box-shadow: 0 0 12px var(--neon-red);
}

/* 复制成功状态 */
.btn-copied {
  border-color: var(--neon-yellow) !important;
  color: var(--neon-yellow) !important;
  box-shadow: 0 0 10px var(--neon-yellow) !important;
}

/* 格式偏好标识 */
.btn-preferred {
  background: rgba(0,240,255,.08);
  border-bottom: 2px solid var(--neon-cyan);
}

.btn-preferred:hover {
  background: var(--neon-cyan);
  color: var(--bg-void);
  box-shadow: 0 0 12px var(--neon-cyan);
}

/* ============================================================
   9. 空状态 & 页脚
   ============================================================ */
.empty {
  text-align: center;
  padding: 40px;
  color: var(--text-mute);
  font-family: var(--font-mono);
  font-size: 13px;
}

.empty.hidden {
  display: none;
}

footer {
  text-align: center;
  padding: 24px;
  margin-top: 40px;
  background: rgba(10,14,26,.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid var(--grid-line);
  color: var(--text-mute);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
}

/* ============================================================
   10. Toast
   ============================================================ */
.toast-wrap {
  position: fixed;
  top: 80px;
  right: 24px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  min-width: 240px;
  padding: 10px 16px;
  background: rgba(10,14,26,.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--text-main);
  border-left: 3px solid var(--neon-cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1px;
  box-shadow: 0 0 12px rgba(0,240,255,.3);
  animation: toastIn .3s ease both;
}

.toast.error {
  border-color: var(--neon-red);
  box-shadow: 0 0 12px rgba(255,0,60,.4);
}

.toast.info {
  border-color: var(--neon-yellow);
}

@keyframes toastIn {
  from { transform: translateX(120%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

.toast-out {
  animation: toastOut .3s ease forwards;
}

@keyframes toastOut {
  from { transform: translateX(0);    opacity: 1; }
  to   { transform: translateX(120%); opacity: 0; }
}

/* 复制成功 Toast 青色边条 */
.toast.copied {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 12px rgba(0,240,255,.3);
}

/* Undo 撤销提示条 */
.undo-bar {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 400;
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(10,14,26,0.95);
  border: 1px solid var(--neon-cyan);
  box-shadow: 0 0 20px rgba(0,240,255,0.25);
  padding: 12px 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  white-space: nowrap;
  animation: undoSlideUp 0.3s ease;
}

@keyframes undoSlideUp {
  from { transform: translateX(-50%) translateY(20px); opacity: 0; }
  to   { transform: translateX(-50%) translateY(0);    opacity: 1; }
}

.undo-msg {
  color: var(--text-main);
  letter-spacing: 1px;
}

#undoCountdown {
  color: var(--neon-yellow);
  text-shadow: 0 0 6px var(--neon-yellow);
  font-weight: 700;
}

.undo-actions {
  display: flex;
  gap: 8px;
}

.undo-btn {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  padding: 4px 12px;
  font-size: 12px;
  background: transparent;
  cursor: pointer;
  font-family: var(--font-mono);
}
.undo-btn:hover {
  background: var(--neon-cyan);
  color: var(--bg-void);
  box-shadow: 0 0 10px var(--neon-cyan);
}

/* ============================================================
   11. 模态框
   ============================================================ */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
}

.modal.hidden {
  display: none;
}

.modal-box {
  background: rgba(17,19,43,.55);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--neon-magenta);
  box-shadow: 0 0 24px rgba(255,46,151,.5);
  min-width: 320px;
  max-width: 90vw;
}

.modal-header {
  padding: 10px 16px;
  background: rgba(255,46,151,.1);
  border-bottom: 1px solid var(--neon-magenta);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--neon-magenta);
  text-shadow: 0 0 6px var(--neon-magenta);
}

.modal-body {
  padding: 20px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-main);
}

.modal-footer {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  padding: 12px 16px;
  border-top: 1px solid var(--grid-line);
}

/* ============================================================
   12. 快捷键帮助面板
   ============================================================ */
#shortcutPanel {
  position: fixed;
  inset: 0;
  z-index: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity .2s;
}

#shortcutPanel.sp-hidden {
  display: none;
}

#shortcutPanel.sp-open {
  opacity: 1;
}

.sp-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.6);
}

.sp-box {
  position: relative;
  min-width: 320px;
  max-width: 90vw;
  background: var(--bg-indigo);
  border: 1px solid var(--neon-cyan);
  box-shadow: 0 0 24px rgba(0,240,255,.3);
  transform: scale(.96);
  transition: transform .2s;
}

#shortcutPanel.sp-open .sp-box {
  transform: scale(1);
}

.sp-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--grid-line);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--neon-cyan);
  letter-spacing: 3px;
  text-shadow: 0 0 6px rgba(0,240,255,.5);
}

.sp-close {
  background: transparent;
  border: 1px solid var(--neon-red);
  color: var(--neon-red);
  font-family: var(--font-mono);
  font-size: 14px;
  cursor: pointer;
  padding: 2px 8px;
  transition: .15s;
  line-height: 1;
}

.sp-close:hover {
  background: var(--neon-red);
  color: var(--text-main);
  box-shadow: 0 0 8px var(--neon-red);
}

.sp-table {
  padding: 4px 0;
}

.sp-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px;
  border-bottom: 1px solid rgba(31,42,74,.5);
}

.sp-key {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--neon-yellow);
  background: var(--bg-surface);
  padding: 2px 8px;
  border: 1px solid var(--grid-line);
  min-width: 40px;
  text-align: center;
}

.sp-desc {
  color: var(--text-sub);
  font-family: var(--font-mono);
  font-size: 12px;
}

.sp-footer {
  text-align: center;
  color: var(--text-mute);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 10px;
  letter-spacing: 1px;
}

/* ============================================================
   12.5 Lightbox 灯箱
   ============================================================ */
#lightbox {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity .2s;
}

#lightbox.lb-open {
  opacity: 1;
}

.lb-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.92);
}

.lb-container {
  position: relative;
  display: flex;
  flex-direction: column;
  max-width: 90vw;
  max-height: 90vh;
  background: var(--bg-indigo);
  border: 1px solid var(--neon-cyan);
  box-shadow: 0 0 40px rgba(0,240,255,.3);
}

/* --- header --- */
.lb-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  border-bottom: 1px solid var(--grid-line);
  font-family: var(--font-mono);
  gap: 16px;
}

.lb-header-left {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
}

.lb-title {
  font-size: 13px;
  color: var(--neon-cyan);
  text-shadow: 0 0 8px rgba(0,240,255,.6);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 300px;
}

.lb-badge-ext {
  font-size: 10px;
  color: var(--neon-cyan);
  border: 1px solid var(--neon-cyan);
  padding: 1px 5px;
  flex-shrink: 0;
}

.lb-header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.lb-meta {
  font-size: 11px;
  color: var(--text-sub);
  white-space: nowrap;
}

.lb-close {
  font-size: 11px;
  letter-spacing: 1px;
  padding: 5px 10px;
  white-space: nowrap;
}

/* --- stage --- */
.lb-stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  overflow: hidden;
}

.lb-img {
  display: block;
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
}

.lb-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--neon-cyan);
  font-family: var(--font-mono);
  font-size: 18px;
  letter-spacing: 1px;
  cursor: pointer;
  padding: 12px 8px;
  transition: .15s;
  text-shadow: 0 0 6px rgba(0,240,255,.4);
  z-index: 10;
}

.lb-nav:hover {
  text-shadow: 0 0 16px var(--neon-cyan), 0 0 32px rgba(0,240,255,.8);
  color: var(--text-main);
}

.lb-prev { left: 0; }
.lb-next { right: 0; }

/* --- footer --- */
.lb-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  border-top: 1px solid var(--grid-line);
  gap: 12px;
}

.lb-index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-sub);
  letter-spacing: 1px;
  white-space: nowrap;
}

.lb-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.lb-actions .btn {
  padding: 5px 10px;
}

/* ============================================================
   12.6 回收站
   ============================================================ */
.trash-view {
  padding-top: 8px;
}

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

.trash-actions {
  display: flex;
  gap: 10px;
}

.trash-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.trash-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-indigo);
  border: 1px solid var(--grid-line);
  padding: 12px 16px;
  transition: .2s;
}

.trash-card:hover {
  border-color: var(--neon-magenta);
}

.trash-thumb {
  width: 60px;
  height: 60px;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--grid-line);
}

.trash-info {
  flex: 1;
  font-family: var(--font-mono);
  min-width: 0;
}

.trash-name {
  color: var(--text-main);
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 300px;
}

.trash-meta {
  color: var(--text-sub);
  font-size: 11px;
  margin-top: 4px;
}

.trash-expires {
  font-size: 11px;
  margin-top: 2px;
  color: var(--text-sub);
}

.trash-expires.warning {
  color: var(--neon-red);
  text-shadow: 0 0 6px var(--neon-red);
}

.trash-btns {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

/* ============================================================
   12.7 鉴权模态框
   ============================================================ */
.auth-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10,14,26,.97);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.auth-modal.hidden {
  display: none;
}

.auth-backdrop {
  display: none;
}

.auth-box {
  min-width: 360px;
  max-width: 90vw;
  background: var(--bg-indigo);
  border: 1px solid var(--neon-cyan);
  box-shadow: 0 0 32px rgba(0,240,255,.35), inset 0 0 20px rgba(0,240,255,.06);
  padding: 32px 28px 24px;
}

.auth-logo {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 22px;
  text-align: center;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-magenta), var(--neon-purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 8px;
}

.auth-subtitle {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mute);
  text-align: center;
  letter-spacing: 2px;
  margin-bottom: 24px;
}

/* 选项卡 */
.auth-tabs {
  display: flex;
  gap: 0;
  border: 1px solid var(--grid-line);
  margin-bottom: 20px;
}

.auth-tab {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 2px;
  padding: 8px 0;
  background: transparent;
  border: none;
  color: var(--text-sub);
  cursor: pointer;
  transition: .15s;
  text-transform: uppercase;
}

.auth-tab + .auth-tab {
  border-left: 1px solid var(--grid-line);
}

.auth-tab:hover {
  color: var(--neon-cyan);
}

.auth-tab.active {
  background: rgba(0,240,255,.1);
  color: var(--neon-cyan);
  box-shadow: inset 0 -2px 0 var(--neon-cyan);
  text-shadow: 0 0 6px rgba(0,240,255,.5);
}

/* 输入框 */
.auth-input {
  display: block;
  width: 100%;
  margin-bottom: 12px;
  padding: 10px 12px;
  background: var(--bg-surface);
  border: 1px solid var(--grid-line);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 1px;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}

.auth-input:focus {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 10px rgba(0,240,255,.3);
}

.auth-input::placeholder {
  color: var(--text-mute);
}

.auth-input.hidden {
  display: none;
}

/* 提交按钮 */
.auth-submit {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 10px 0;
  background: transparent;
  border: 1px solid var(--neon-cyan);
  color: var(--neon-cyan);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 2px;
  cursor: pointer;
  transition: .15s;
  text-transform: uppercase;
}

.auth-submit:hover {
  background: var(--neon-cyan);
  color: var(--bg-void);
  box-shadow: 0 0 16px var(--neon-cyan);
}

/* 错误提示 */
.auth-error {
  margin-bottom: 12px;
  padding: 8px 10px;
  background: rgba(255,0,60,.08);
  border-left: 3px solid var(--neon-red);
  color: var(--neon-red);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-align: center;
}

.auth-error.hidden {
  display: none;
}

/* ============================================================
   游客模式样式
   ============================================================ */
.auth-guest-divider {
  text-align: center;
  color: var(--text-mute);
  font-family: var(--font-mono);
  font-size: 11px;
  margin: 12px 0;
  letter-spacing: 3px;
}

.auth-guest-btn {
  display: block;
  width: 100%;
  padding: 10px;
  background: transparent;
  border: 1px dashed var(--neon-magenta);
  color: var(--neon-magenta);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 2px;
  cursor: pointer;
  transition: .15s;
  text-transform: uppercase;
}

.auth-guest-btn:hover {
  background: rgba(255,46,151,.1);
  box-shadow: 0 0 12px rgba(255,46,151,.3);
}

.hud-guest {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--neon-magenta);
  letter-spacing: 1px;
  text-shadow: 0 0 6px var(--neon-magenta);
}

#exitGuestBtn {
  background: transparent;
  border: none;
  color: var(--neon-magenta);
  font-family: var(--font-mono);
  font-size: 11px;
  cursor: pointer;
  margin-left: 8px;
}

#exitGuestBtn:hover {
  text-decoration: underline;
}

#guestBanner {
  background: rgba(255,46,151,.12);
  border: 1px solid var(--neon-magenta);
  border-left: 3px solid var(--neon-magenta);
  padding: 8px 16px;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--neon-magenta);
  letter-spacing: 1px;
}

#guestGallery {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  margin-top: 16px;
}

.guest-expires {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--neon-magenta);
  margin-top: 4px;
}

/* ============================================================
   12.8 HUD 用户区 & 用户面板
   ============================================================ */
.hud-user {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-sub);
  letter-spacing: 1px;
  cursor: pointer;
  transition: .15s;
  white-space: nowrap;
}

.hud-user:hover {
  color: var(--neon-cyan);
  text-shadow: 0 0 8px var(--neon-cyan);
}

.hud-user b {
  color: var(--neon-cyan);
  font-weight: 700;
}

/* 用户面板 */
.user-panel {
  position: fixed;
  z-index: 200;
  min-width: 280px;
  background: var(--bg-indigo);
  border: 1px solid var(--neon-cyan);
  box-shadow: 0 0 24px rgba(0,240,255,.3);
  padding: 16px;
}

.user-panel.hidden {
  display: none;
}

.up-section {
  margin-bottom: 16px;
}

.up-section:last-of-type {
  margin-bottom: 12px;
}

.up-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-mute);
  letter-spacing: 2px;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.up-value {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--neon-cyan);
  text-shadow: 0 0 6px rgba(0,240,255,.4);
}

.up-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--grid-line);
}

.up-row:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.up-token {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-sub);
  word-break: break-all;
  background: var(--bg-surface);
  padding: 4px 8px;
  border: 1px solid var(--grid-line);
}

.up-copy-btn {
  flex-shrink: 0;
}

.up-reset-btn {
  flex-shrink: 0;
}

.up-close {
  display: block;
  width: 100%;
  padding: 6px 0;
  background: transparent;
  border: none;
  color: var(--text-mute);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  cursor: pointer;
  transition: .15s;
  text-transform: uppercase;
}

.up-close:hover {
  color: var(--neon-cyan);
  text-shadow: 0 0 6px var(--neon-cyan);
}

/* 数据看板 */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 10px;
}

.stat-item {
  background: var(--bg-surface);
  border: 1px solid var(--grid-line);
  padding: 6px 8px;
  text-align: center;
}

.stat-num {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--neon-cyan);
  text-shadow: 0 0 6px rgba(0,240,255,.4);
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-mute);
  margin-top: 2px;
  letter-spacing: 1px;
}

.stats-chart {
  background: var(--bg-surface);
  border: 1px solid var(--grid-line);
  padding: 4px;
}

.stats-svg {
  display: block;
  width: 100%;
  height: auto;
}

/* 管理员看板 */
.admin-stats-panel {
  padding: 12px 0;
}

.astats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}

.astat-item {
  background: var(--bg-surface);
  border: 1px solid var(--grid-line);
  padding: 10px 8px;
  text-align: center;
}

.astat-num {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--neon-cyan);
  text-shadow: 0 0 6px rgba(0,240,255,.4);
}

.astat-label {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-mute);
  margin-top: 4px;
  letter-spacing: 1px;
}

/* ============================================================
   12.9 管理员按钮 & 面板
   ============================================================ */
.admin-btn:hover {
  color: var(--neon-magenta);
  text-shadow: 0 0 8px var(--neon-magenta);
}

.admin-panel {
  position: fixed;
  inset: 0;
  z-index: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10,14,26,.97);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.admin-panel.hidden {
  display: none;
}

.admin-backdrop {
  display: none;
}

.admin-box {
  min-width: 480px;
  max-width: 90vw;
  max-height: 85vh;
  background: var(--bg-indigo);
  border: 1px solid var(--neon-magenta);
  box-shadow: 0 0 40px rgba(255,46,151,.3), inset 0 0 20px rgba(255,46,151,.06);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--neon-magenta);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--neon-magenta);
  text-shadow: 0 0 8px rgba(255,46,151,.5);
  flex-shrink: 0;
}

.admin-close {
  background: transparent;
  border: 1px solid var(--neon-red);
  color: var(--neon-red);
  font-family: var(--font-mono);
  font-size: 12px;
  cursor: pointer;
  padding: 3px 10px;
  letter-spacing: 1px;
  transition: .15s;
}

.admin-close:hover {
  background: var(--neon-red);
  color: var(--text-main);
  box-shadow: 0 0 10px var(--neon-red);
}

.admin-stats {
  padding: 10px 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-sub);
  border-bottom: 1px solid var(--grid-line);
  flex-shrink: 0;
}

.admin-user-list {
  overflow-y: auto;
  flex: 1;
  padding: 8px 0;
}

.admin-user-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--grid-line);
  transition: background .15s;
}

.admin-user-row:hover {
  background: rgba(255,46,151,.05);
}

.admin-username {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  color: var(--text-main);
  min-width: 120px;
  flex-shrink: 0;
}

.admin-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 1px 6px;
  border: 1px solid var(--neon-magenta);
  color: var(--neon-magenta);
  margin-left: 6px;
  letter-spacing: 1px;
}

.admin-meta {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-sub);
  min-width: 0;
}

.admin-purge-btn {
  flex-shrink: 0;
}

.admin-footer {
  padding: 10px 20px;
  border-top: 1px solid var(--grid-line);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mute);
  text-align: center;
  letter-spacing: 1px;
  flex-shrink: 0;
}

/* ============================================================
   13. Glitch 故障效果
   ============================================================ */
.glitch {
  position: relative;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  overflow: hidden;
}

.glitch::before {
  color: var(--neon-magenta);
  transform: translate(1px, 0);
  clip-path: inset(0 0 80% 0);
}

.glitch::after {
  color: var(--neon-cyan);
  transform: translate(-1px, 0);
  clip-path: inset(80% 0 0 0);
}

/* ============================================================
   14. 响应式 & 减弱动效
   ============================================================ */
@media (max-width: 767px) {
  .hud {
    flex-direction: column;
    gap: 8px;
    padding: 12px;
  }

  .hud-right {
    gap: 16px;
  }

  .gallery-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .search-wrap {
    min-width: unset;
  }

  .gallery {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  }

  .gallery-list .card .preview {
    width: 56px;
  }

  .card-overlay {
    display: none !important;
  }

  .uplink-icon {
    font-size: 40px;
  }

  .uplink-main {
    font-size: 18px;
  }

  .toast-wrap {
    top: 100px;
    right: 12px;
    left: 12px;
  }

  .toast {
    min-width: 0;
  }

  .modal-box {
    min-width: 0;
    margin: 0 16px;
  }

  .lb-header {
    flex-direction: column;
    gap: 6px;
    padding: 8px 12px;
  }

  .lb-header-right {
    flex-wrap: wrap;
    gap: 6px;
  }

  .lb-title {
    max-width: 160px;
    font-size: 11px;
  }

  .lb-meta {
    font-size: 10px;
  }

  .lb-close {
    font-size: 10px;
    padding: 4px 8px;
  }

  .lb-stage {
    min-height: 140px;
  }

  .lb-img {
    max-height: 50vh;
  }

  .lb-nav {
    font-size: 14px;
    padding: 8px 4px;
  }

  .lb-footer {
    flex-direction: column;
    gap: 8px;
    padding: 8px 12px;
  }

  .lb-index {
    font-size: 10px;
  }

  .lb-actions .btn {
    font-size: 10px;
    padding: 4px 8px;
  }

  .sp-box {
    min-width: 0;
    margin: 0 16px;
  }

  .sp-header {
    font-size: 11px;
    letter-spacing: 2px;
  }

  .trash-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .trash-name {
    max-width: 180px;
  }

  .trash-btns {
    width: 100%;
    justify-content: flex-end;
  }

  .auth-box {
    min-width: 0;
    margin: 0 16px;
    padding: 24px 16px 20px;
  }

  .auth-logo {
    font-size: 18px;
  }

  .user-panel {
    min-width: 240px;
    left: 12px;
    right: 12px;
  }

  .admin-box {
    min-width: 0;
    margin: 0 8px;
    max-height: 90vh;
  }

  .admin-header {
    font-size: 11px;
    letter-spacing: 1px;
    padding: 10px 14px;
  }

  .admin-user-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 10px 14px;
  }

  .admin-username {
    min-width: 0;
  }

  .admin-meta {
    font-size: 10px;
  }

  .batch-bar {
    flex-direction: column;
    gap: 8px;
    padding: 12px;
  }

  .bb-info {
    font-size: 11px;
  }

  .bb-actions {
    flex-wrap: wrap;
    justify-content: center;
  }

  .bb-actions .btn {
    font-size: 10px;
    padding: 5px 8px;
  }

  .admin-stats {
    font-size: 10px;
    padding: 8px 14px;
  }

  .mod-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 10px 14px;
  }

  .mod-btns {
    width: 100%;
    justify-content: flex-end;
  }

  .mod-name {
    max-width: 140px;
  }

  main {
    grid-template-columns: 1fr;
  }

  .folder-sidebar {
    position: fixed;
    left: -260px;
    top: 80px;
    width: 240px;
    height: calc(100vh - 80px);
    z-index: 200;
    transition: left .25s;
    border-radius: 0 8px 8px 0;
  }

  .folder-sidebar.open {
    left: 0;
  }

  .folder-mobile-toggle {
    display: flex !important;
  }
}

/* ============================================================
   14. 文件夹侧栏
   ============================================================ */
.folder-sidebar {
  background: rgba(10,14,26,.4);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--grid-line);
  padding: 16px;
  height: fit-content;
  max-height: calc(100vh - 140px);
  overflow-y: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  position: sticky;
  top: 100px;
}

.folder-sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--neon-cyan);
}

.folder-mobile-toggle {
  display: none;
  position: fixed;
  left: 0;
  top: 120px;
  z-index: 201;
  width: 32px;
  height: 48px;
  background: var(--bg-surface);
  border: 1px solid var(--neon-cyan);
  border-left: none;
  border-radius: 0 6px 6px 0;
  color: var(--neon-cyan);
  font-size: 16px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  transition: left .25s;
}

.folder-sidebar-title {
  color: var(--neon-cyan);
  text-shadow: 0 0 6px var(--neon-cyan);
  font-size: 13px;
  letter-spacing: 2px;
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
}

.folder-new-btn {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  padding: 4px 10px;
  color: var(--neon-cyan);
  background: transparent;
  border: 1px solid var(--neon-cyan);
  cursor: pointer;
  transition: .15s;
  letter-spacing: 1px;
}

.folder-new-btn:hover {
  background: rgba(0,240,255,.15);
  box-shadow: 0 0 10px rgba(0,240,255,.3);
  text-shadow: 0 0 6px var(--neon-cyan);
}

/* 文件夹树 */
.folder-tree {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.folder-tree-empty {
  color: var(--text-mute);
  font-size: 11px;
  padding: 12px 8px;
  text-align: center;
}

.folder-tree-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  cursor: pointer;
  color: var(--text-sub);
  transition: background .12s, color .12s, border-color .12s;
  border-left: 2px solid transparent;
  border-radius: 2px;
  user-select: none;
}

.folder-tree-item:hover {
  color: var(--text-main);
  background: rgba(0,240,255,.08);
  border-left-color: var(--neon-cyan);
}

.folder-tree-item.active {
  color: var(--neon-cyan);
  background: rgba(0,240,255,.12);
  border-left-color: var(--neon-cyan);
  text-shadow: 0 0 6px var(--neon-cyan);
}

.folder-tree-item.root-item {
  font-weight: 700;
  font-size: 14px;
  border-bottom: 1px solid var(--grid-line);
  padding-bottom: 10px;
  margin-bottom: 4px;
}

.folder-tree-item .folder-icon {
  color: var(--neon-yellow);
  font-size: 14px;
  flex-shrink: 0;
}

.folder-tree-item .folder-count {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-mute);
  font-family: 'JetBrains Mono', monospace;
}

.folder-tree-item .folder-rename-input {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  padding: 2px 6px;
  background: var(--bg-void);
  border: 1px solid var(--neon-cyan);
  color: var(--neon-cyan);
  outline: none;
  width: 100%;
  box-shadow: 0 0 6px rgba(0,240,255,.3);
}

/* 拖拽悬停高亮 */
.folder-tree-item.drag-over {
  border-color: var(--neon-magenta) !important;
  background: rgba(255,46,151,.15) !important;
  box-shadow: inset 0 0 14px rgba(255,46,151,.25);
}

/* 卡片拖拽状态 */
.card.dragging {
  opacity: .35;
  border-color: var(--neon-magenta);
  transform: scale(.96);
}

/* 右键菜单 */
.folder-context-menu {
  position: fixed;
  z-index: 9999;
  background: var(--bg-surface);
  border: 1px solid var(--neon-cyan);
  box-shadow: 0 0 18px rgba(0,240,255,.25);
  padding: 4px 0;
  min-width: 140px;
  display: none;
}

.folder-context-menu.visible {
  display: block;
}

.folder-context-menu button {
  display: block;
  width: 100%;
  padding: 8px 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-main);
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background .1s, color .1s;
}

.folder-context-menu button:hover {
  background: rgba(0,240,255,.12);
  color: var(--neon-cyan);
}

.folder-context-menu button.btn-danger {
  color: var(--neon-red);
}

.folder-context-menu button.btn-danger:hover {
  background: rgba(255,0,60,.12);
  text-shadow: 0 0 6px var(--neon-red);
}

/* 文件夹选择弹出列表 */
.folder-popup {
  position: absolute;
  z-index: 500;
  background: var(--bg-surface);
  border: 1px solid var(--neon-cyan);
  box-shadow: 0 0 16px rgba(0,240,255,.25);
  padding: 4px 0;
  min-width: 160px;
  max-height: 240px;
  overflow-y: auto;
  display: none;
}

.folder-popup.visible {
  display: block;
}

.folder-popup-item {
  display: block;
  width: 100%;
  padding: 6px 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-sub);
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background .1s, color .1s;
}

.folder-popup-item:hover {
  background: rgba(0,240,255,.1);
  color: var(--neon-cyan);
}

@media (prefers-reduced-motion: reduce) {
  .scan-beam,
  .uplink::after,
  .uplink::before,
  .uplink-icon,
  .caret,
  .status .dot {
    animation: none !important;
  }

  .card {
    animation: none !important;
  }

  .glitch::before,
  .glitch::after {
    display: none !important;
  }

  .bg-video {
    opacity: .2;
  }

  .uplink.flash-success {
    animation: none !important;
  }

  #lightbox {
    transition: none !important;
  }

  .undo-bar {
    animation: none !important;
  }

  #shortcutPanel {
    transition: none !important;
  }

  .sp-box {
    transition: none !important;
  }
}