:root {
  --bg: #f5f5f7;
  --card: #ffffff;
  --text: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #86868b;
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --border: #d2d2d7;
  --divider: #e8e8ed;
  --success: #34c759;
  --danger: #ff3b30;
  --radius: 18px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC",
    "Helvetica Neue", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

/* 确保 hidden 属性始终生效，不被 display 覆盖 */
[hidden] { display: none !important; }

body {
  font-family: var(--font);
  background:
    radial-gradient(1200px 800px at 15% -10%, rgba(0, 113, 227, 0.10), transparent 60%),
    radial-gradient(1000px 700px at 110% 20%, rgba(64, 200, 244, 0.10), transparent 55%),
    radial-gradient(900px 700px at 50% 120%, rgba(175, 82, 222, 0.08), transparent 60%),
    linear-gradient(180deg, #f7f8fb 0%, #f1f3f8 100%);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  display: flex;
  justify-content: center;
  position: relative;
  overflow-x: hidden;
}

/* 背景装饰层：细网格纹理 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(120, 130, 160, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 130, 160, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 100%);
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 100%);
}

/* 背景装饰层：柔和的浮动光斑 */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle 280px at 88% 12%, rgba(0, 113, 227, 0.06), transparent 70%),
    radial-gradient(circle 220px at 6% 32%, rgba(64, 200, 244, 0.05), transparent 70%),
    radial-gradient(circle 260px at 92% 78%, rgba(175, 82, 222, 0.05), transparent 70%);
}

/* 内容置于装饰层之上 */
.app {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 480px;
  padding: 20px 16px 40px;
  transition: max-width 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

/* 顶栏 */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 4px 20px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.logo {
  width: 40px; height: 40px;
  border-radius: 10px;
  object-fit: cover;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}
.brand-name { font-size: 20px; font-weight: 700; letter-spacing: -0.3px; }
.net-badge {
  font-size: 12px; font-weight: 600;
  padding: 5px 12px;
  border-radius: 20px;
  background: var(--divider);
  color: var(--text-secondary);
  transition: all 0.3s;
}
.net-badge.online { background: #e8f7ee; color: #1a7f37; }
.net-badge.offline { background: #fdecea; color: #c0392b; }

/* 主卡片 */
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* 设备码 */
.code-section { text-align: center; }
.label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-tertiary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.code-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 12px 0 8px;
}
.code {
  font-size: 44px;
  font-weight: 700;
  letter-spacing: 10px;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.icon-btn {
  width: 36px; height: 36px;
  border: none;
  border-radius: 10px;
  background: var(--divider);
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
}
.icon-btn:hover { background: #dcdce2; }
.hint { font-size: 13px; color: var(--text-tertiary); }

/* 自定义设备码 */
.custom-code-row {
  display: flex;
  gap: 8px;
  margin: 8px 0 6px;
}
.custom-code-input {
  flex: 1;
  padding: 10px 14px;
  font-size: 15px;
  letter-spacing: 2px;
}

/* 文件夹上传按钮 */
.share-upload-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}
.share-upload-actions .mini-btn {
  flex: 1;
  padding: 10px;
  font-size: 15px;
}

/* 输入连接 */
.connect-section { display: flex; gap: 10px; }
.code-input {
  flex: 1;
  padding: 14px 16px;
  font-size: 17px;
  font-family: var(--font);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  outline: none;
  text-transform: uppercase;
  letter-spacing: 3px;
  transition: border 0.2s;
  background: #fafafa;
}
.code-input:focus { border-color: var(--accent); background: #fff; }
.primary-btn {
  padding: 0 24px;
  border: none;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: all 0.2s;
}
.primary-btn:hover:not(:disabled) { background: var(--accent-hover); }
.primary-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* 传输模式选择 */
.mode-group {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.mode-btn {
  padding: 10px 0;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: #fafafa;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.2s;
}
.mode-btn:hover { border-color: var(--accent); color: var(--accent); }
.mode-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.mode-hint {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 8px;
}

/* 在线列表 */
.online-section { }
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.count { font-size: 13px; color: var(--text-tertiary); }
.online-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.online-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-radius: 12px;
  background: #fafafa;
  border: 1px solid var(--divider);
}
.online-list li.empty {
  justify-content: center;
  color: var(--text-tertiary);
  font-size: 14px;
  background: transparent;
  border: 1px dashed var(--border);
}
.device-row { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; }
.device-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(52,199,89,0.2);
  flex-shrink: 0;
}
.device-dot.active {
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(10,132,255,0.2);
  animation: pulse 1s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.device-name-wrap { flex: 1; min-width: 0; }
.device-name { font-size: 15px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.device-sub { font-size: 12px; color: var(--text-tertiary); }
.device-code { font-size: 12px; color: var(--text-tertiary); }
.device-status {
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 8px;
  background: #f0f0f2;
  color: var(--text-secondary);
}
.device-status.connected { background: #e6f7ec; color: #1f9d55; }
.device-status.connecting { background: #fff4e5; color: #d97a00; }
.device-status.sending, .device-status.receiving { background: #e8f1ff; color: #0a84ff; }
.device-speed {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  min-width: 52px;
  text-align: right;
}
.mini-btn {
  border: none;
  background: var(--accent);
  color: #fff;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  flex-shrink: 0;
}
.mini-btn:disabled { background: var(--divider); color: var(--text-tertiary); cursor: default; }
.mini-btn.self { background: var(--divider); color: var(--text-secondary); cursor: default; }

/* 拖拽区 */
.drop-section {
  border: 2px dashed var(--border);
  border-radius: 14px;
  padding: 30px 16px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}
.drop-section:hover, .drop-section.dragover {
  border-color: var(--accent);
  background: #f0f7ff;
}
.drop-icon { font-size: 34px; color: var(--accent); }
.drop-text { font-size: 15px; font-weight: 500; margin-top: 8px; }
.drop-sub { font-size: 12px; color: var(--text-tertiary); margin-top: 4px; }

/* 文件列表 */
.file-list { list-style: none; display: flex; flex-direction: column; gap: 8px; max-height: 220px; overflow-y: auto; }
.file-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  background: #fafafa;
  border: 1px solid var(--divider);
}
.file-icon {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: var(--divider);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  color: var(--text-secondary);
  flex-shrink: 0;
}
.file-meta { flex: 1; min-width: 0; }
.file-name {
  font-size: 14px; font-weight: 500;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.file-size { font-size: 12px; color: var(--text-tertiary); }
.file-remove {
  border: none; background: transparent;
  color: var(--text-tertiary); font-size: 18px;
  cursor: pointer; padding: 4px;
}

/* 进度 */
.progress-top {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 10px;
}
.progress-title { font-size: 15px; font-weight: 600; }
.progress-pct { font-size: 20px; font-weight: 700; color: var(--accent); font-variant-numeric: tabular-nums; }
.progress-bar {
  height: 10px;
  border-radius: 6px;
  background: var(--divider);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #0071e3, #40c8f4);
  border-radius: 6px;
  transition: width 0.2s ease;
}
.progress-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 16px;
}
.stat {
  background: #fafafa;
  border-radius: 10px;
  padding: 12px;
  text-align: center;
}
.stat-label { display: block; font-size: 11px; color: var(--text-tertiary); margin-bottom: 4px; }
.stat-value { font-size: 15px; font-weight: 600; font-variant-numeric: tabular-nums; }
.progress-top-right { display: flex; align-items: center; gap: 8px; }

/* 批量上传详情列表 */
.upload-detail-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  max-height: 220px;
  overflow-y: auto;
  border-top: 1px solid var(--divider);
}
.upload-detail-item { padding: 8px 2px; border-bottom: 1px solid var(--divider); }
.upload-detail-item:last-child { border-bottom: none; }
.ud-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.ud-name { font-size: 13px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ud-status { font-size: 12px; font-weight: 600; color: var(--accent); flex-shrink: 0; font-variant-numeric: tabular-nums; }
.upload-detail-item.failed .ud-status { color: #ff3b30; }
.ud-bar { height: 6px; border-radius: 3px; background: var(--divider); overflow: hidden; margin-top: 6px; }
.ud-fill { height: 100%; width: 0%; background: linear-gradient(90deg, #0071e3, #40c8f4); border-radius: 3px; transition: width 0.15s ease; }
.upload-detail-item.failed .ud-fill { background: #ff3b30; }
.ud-meta { font-size: 11px; color: var(--text-secondary); margin-top: 4px; font-variant-numeric: tabular-nums; }


/* 取消按钮 */
.cancel-btn {
  width: 100%;
  margin-top: 16px;
  padding: 12px;
  border: 1.5px solid var(--danger);
  border-radius: 12px;
  background: transparent;
  color: var(--danger);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.2s;
}
.cancel-btn:hover { background: #fdecea; }

/* 接收区 */
.receive-banner {
  padding: 16px;
  border-radius: 12px;
  background: #f0f7ff;
  border: 1px solid #cce4ff;
  font-size: 14px;
  line-height: 1.5;
}

/* 接收完成清单（B5：多文件接收后供用户点击下载） */
.receive-list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.receive-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--divider);
}
.receive-item-meta { flex: 1; min-width: 0; }
.receive-item-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.receive-item-sub {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* 弹窗 */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(4px);
}
.modal-box {
  background: #fff;
  border-radius: 16px;
  padding: 24px;
  width: 90%;
  max-width: 360px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
.modal-title { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.modal-body { font-size: 14px; color: var(--text-secondary); line-height: 1.5; }
.modal-actions { display: flex; gap: 10px; margin-top: 20px; }

.modal-btn {
  flex: 1;
  padding: 12px;
  border-radius: 10px;
  border: none;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
}
.modal-btn.accept { background: var(--accent); color: #fff; }
.modal-btn.reject { background: var(--divider); color: var(--text-secondary); }

/* Toast */
.toast {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.8);
  color: #fff;
  padding: 12px 20px;
  border-radius: 12px;
  font-size: 14px;
  z-index: 200;
  backdrop-filter: blur(8px);
  max-width: 85%;
  text-align: center;
  animation: toastIn 0.25s ease;
}
@keyframes toastIn {
  from { opacity: 0; transform: translate(-50%, 10px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

.footer {
  text-align: center;
  margin-top: 24px;
  font-size: 12px;
  color: var(--text-tertiary);
}

/* 标签页 */
.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
  background: #e8e8ed;
  border-radius: 12px;
  padding: 4px;
}
.tab {
  flex: 1;
  padding: 10px 0;
  border: none;
  border-radius: 9px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.2s;
}
.tab.active {
  background: #fff;
  color: var(--text);
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

/* 连接信息卡片 */
.conn-info {
  border: 1.5px solid #cce4ff;
  background: #f0f7ff;
  border-radius: 14px;
  padding: 16px;
}
.conn-info-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.conn-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(52,199,89,0.2);
}
.conn-status { font-size: 14px; font-weight: 600; }
.conn-info-body { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.conn-peer { display: flex; align-items: baseline; gap: 8px; }
.conn-peer-name { font-size: 16px; font-weight: 600; }
.conn-peer-code { font-size: 13px; color: var(--text-tertiary); font-variant-numeric: tabular-nums; letter-spacing: 2px; }
.conn-channel { font-size: 13px; color: var(--text-secondary); }
/* 连接进度条与阶段 */
.conn-progress { display: flex; flex-direction: column; gap: 6px; margin-top: 4px; }
.conn-progress-bar {
  height: 8px;
  border-radius: 4px;
  background: var(--divider);
  overflow: hidden;
}
.conn-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #0071e3, #40c8f4);
  border-radius: 4px;
  transition: width 0.3s ease;
}
.conn-progress-stage {
  font-size: 12px;
  color: var(--accent);
  font-weight: 500;
}
/* P2P 失败诊断（持久显示，醒目提醒） */
.conn-diag {
  margin-top: 4px;
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(255, 59, 48, 0.08);
  border: 1px solid rgba(255, 59, 48, 0.3);
  color: #d70015;
  font-size: 12px;
  line-height: 1.5;
  word-break: break-all;
}
.conn-disconnect {
  width: 100%;
  padding: 9px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: #fff;
  color: var(--danger);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
}
.conn-disconnect:hover { background: #fdecea; }
.conn-info.connecting .conn-dot { background: #ff9500; box-shadow: 0 0 0 3px rgba(255,149,0,0.2); }

/* 自动接收开关 */
.auto-recv-section {
  border: 1px solid var(--divider);
  border-radius: 12px;
  padding: 14px 16px;
  background: #fafafa;
}
.auto-recv-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.auto-recv-title { font-size: 15px; font-weight: 600; }
.auto-recv-sub { font-size: 12px; color: var(--text-tertiary); margin-top: 3px; line-height: 1.4; }
.switch { position: relative; display: inline-block; width: 48px; height: 28px; flex-shrink: 0; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: #d2d2d7;
  border-radius: 28px;
  transition: 0.25s;
}
.slider::before {
  content: "";
  position: absolute;
  height: 22px; width: 22px;
  left: 3px; top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: 0.25s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.switch input:checked + .slider { background: var(--success); }
.switch input:checked + .slider::before { transform: translateX(20px); }

/* 中转站 */
/* ============ 横屏模式（切换到文件中转站时） ============ */
/* 横屏下整体布局扩展，.app 最大宽度放宽，sharePanel 内部左右分栏 */
body.landscape-share .app {
  max-width: 1120px;
}
body.landscape-share #sharePanel {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 24px;
  align-items: start;
  /* 面板内容切换时的淡入过渡 */
  animation: landscape-enter 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes landscape-enter {
  from { opacity: 0.4; transform: translateY(14px) scale(0.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
body.landscape-share #sharePanel .share-side {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: sticky;
  top: 16px;
}
body.landscape-share #sharePanel .share-browser {
  min-width: 0;
}
/* 横屏下文件列表更高，最大化可用区域 */
body.landscape-share .share-list {
  max-height: calc(100vh - 280px);
  min-height: 360px;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
}

/* 默认（竖屏）下 share-side/share-browser 是普通块，顺序排列 */
#sharePanel .share-side,
#sharePanel .share-browser { display: contents; }
#sharePanel .share-side section,
#sharePanel .share-browser section { display: block; }

/* ============ 面包屑导航 ============ */
.share-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  padding: 8px 10px;
  background: #fafafa;
  border: 1px solid var(--divider);
  border-radius: 10px;
  margin-bottom: 10px;
  min-height: 38px;
}
.crumb-btn {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font);
  padding: 4px 8px;
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.crumb-btn:hover { background: var(--divider); color: var(--text); }
.crumb-btn.crumb-root { color: var(--text); font-weight: 600; }
.crumb-sep {
  color: var(--text-tertiary);
  font-size: 12px;
  user-select: none;
}

/* ============ 工具栏 ============ */
.share-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
  min-height: 34px;
  flex-wrap: wrap;
}
.toolbar-left { display: flex; gap: 6px; }
.toolbar-right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.batch-count {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}
#shareBatchBar { animation: batch-in 0.25s ease; }
@keyframes batch-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============ 文件浏览器（目录导航 + 多选） ============ */
.share-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
  max-height: 520px;
  overflow-y: auto;
  align-items: start;
}
/* 目录切换时的内容过渡动画 */
.share-list.navigating {
  animation: list-navigate 0.35s ease;
}
@keyframes list-navigate {
  from { opacity: 0; transform: translateX(18px); }
  to { opacity: 1; transform: translateX(0); }
}

/* 中转站基础控件 */
.share-code-row { display: flex; gap: 10px; }
.share-code-input { flex: 1; letter-spacing: 1px; text-transform: none; }
.vis-select {
  padding: 0 12px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  background: #fafafa;
  font-size: 14px;
  font-family: var(--font);
  color: var(--text-secondary);
  cursor: pointer;
  outline: none;
}
.vis-select:focus { border-color: var(--accent); }
.full-btn { width: 100%; margin-top: 10px; padding: 12px; }
.share-target-folder { margin-top: 12px; }
.share-target-folder .vis-select { flex: 1; padding: 10px 12px; }
.share-folder-tag {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 8px;
  border-radius: 8px;
  background: #eef2ff;
  color: #4f5bd5;
  font-size: 12px;
  vertical-align: middle;
}
.share-folder-create { }
.share-content { }
/* 超宽屏：更多列；小屏：更少列 */
@media (min-width: 560px) {
  .share-list { grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); }
}
.share-list .empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 14px;
  padding: 30px 0;
  border: 1px dashed var(--border);
  border-radius: 12px;
}
.share-item {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  padding: 10px;
  border-radius: 12px;
  background: #fafafa;
  border: 1px solid var(--divider);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.share-item:hover { box-shadow: 0 4px 14px rgba(0,0,0,0.06); transform: translateY(-1px); }
/* 多选：卡片可点击选中，选中态高亮 */
.share-item.selectable { cursor: pointer; position: relative; }
.share-item.selectable:hover { border-color: var(--accent); }
.share-item.selected {
  border-color: var(--accent);
  background: #f0f7ff;
  box-shadow: 0 0 0 2px rgba(0,113,227,0.25);
}
/* 多选勾选框 */
.share-item-check {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid #c7c7cc;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: #fff;
  transition: all 0.15s ease;
  z-index: 2;
}
.share-item.selected .share-item-check {
  border-color: var(--accent);
  background: var(--accent);
}
/* 目录导航模式：文件夹卡片可点击进入，光标手型 */
.share-item.folder-card { cursor: pointer; }
.share-item.folder-card:hover { border-color: #ffd45e; }
/* 布局修复：图标区用固定高度，配合 object-fit 的图片，确保所有卡片（文件夹+文件）尺寸完全一致。
   避免 aspect-ratio 在 grid stretch 下被拉伸成竖长方形。 */
.share-item-icon {
  width: 100%;
  height: 110px;
  border-radius: 8px;
  background: var(--divider);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  flex-shrink: 0;
  overflow: hidden;
  cursor: pointer;
}
/* 文件夹图标区：与文件卡片保持相同高度，确保主目录与文件夹内文件框尺寸一致 */
.share-item.folder-card .share-item-icon {
  font-size: 44px;
}
.share-item-icon img,
.share-item-icon video {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.share-item-icon.folder { background: #fff3d6; }
.share-item-meta { flex: 0 0 auto; min-width: 0; }
.share-item-name {
  font-size: 13px; font-weight: 500;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.share-item-sub { font-size: 11px; color: var(--text-tertiary); margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.share-item-actions { display: flex; gap: 6px; flex-shrink: 0; flex-wrap: wrap; align-items: center; }
/* 三点更多操作按钮 */
.share-more-btn {
  margin-left: auto;
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  font-size: 18px;
  line-height: 1;
  padding: 2px 6px;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--font);
  transition: background 0.15s, color 0.15s;
}
.share-more-btn:hover { background: var(--divider); color: var(--text); }
.share-badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 8px;
  font-weight: 600;
}
.share-badge.public { background: #e8f7ee; color: #1a7f37; }
.share-badge.private { background: #fdecea; color: #c0392b; }
.share-mini-btn {
  border: none;
  background: var(--accent);
  color: #fff;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
}
.share-mini-btn.danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
.share-mini-btn.ghost { background: var(--divider); color: var(--text-secondary); }

/* 预览弹窗（问题4） */
.preview-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  cursor: zoom-out;
}
.preview-overlay img,
.preview-overlay video {
  max-width: 92vw;
  max-height: 88vh;
  border-radius: 10px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  cursor: default;
}
.preview-overlay .preview-name {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: #fff;
  font-size: 13px;
  background: rgba(0,0,0,0.55);
  padding: 6px 14px;
  border-radius: 20px;
  max-width: 80vw;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.preview-overlay .preview-name.preview-error {
  color: #ff6b6b;
  background: rgba(60,0,0,0.7);
}
.preview-overlay .preview-close {
  position: absolute;
  top: 18px;
  right: 22px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: rgba(0,0,0,0.55);
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  z-index: 2;
  transition: background 0.15s ease;
}
.preview-overlay .preview-close:hover { background: rgba(0,0,0,0.8); }
.preview-overlay .preview-iframe {
  width: 92vw;
  height: 88vh;
  border: none;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.preview-overlay audio {
  width: 70vw;
  outline: none;
}
.preview-overlay .preview-loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  z-index: 1;
  pointer-events: none;
}
.preview-overlay .pl-spinner {
  width: 44px;
  height: 44px;
  border: 4px solid rgba(255,255,255,0.25);
  border-top-color: #fff;
  border-radius: 50%;
  animation: pl-spin 0.9s linear infinite;
}
@keyframes pl-spin { to { transform: rotate(360deg); } }
.preview-overlay .pl-text {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  background: rgba(0,0,0,0.55);
  padding: 8px 18px;
  border-radius: 20px;
  font-variant-numeric: tabular-nums;
}
.preview-overlay .pl-pct { color: #40c8f4; font-variant-numeric: tabular-nums; }
.preview-overlay .preview-unsupported {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 36px 28px;
  background: rgba(0,0,0,0.75);
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  z-index: 2;
}
.preview-overlay .pu-icon { font-size: 52px; }
.preview-overlay .pu-msg { color: #fff; font-size: 15px; font-weight: 500; text-align: center; max-width: 320px; line-height: 1.6; }

/* 服务器空间 */
.space-section {
  border: 1px solid var(--divider);
  border-radius: 12px;
  padding: 14px 16px;
  background: #fafafa;
  margin-bottom: 14px;
}
.space-bar {
  height: 8px;
  border-radius: 5px;
  background: var(--divider);
  overflow: hidden;
  margin: 10px 0 8px;
}
.space-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #0071e3, #40c8f4);
  border-radius: 5px;
  transition: width 0.3s ease;
}
.space-fill.warn { background: linear-gradient(90deg, #ff9500, #ffb340); }
.space-fill.danger { background: linear-gradient(90deg, #ff3b30, #ff6b5e); }
.space-detail {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
}
.space-used { color: var(--text-secondary); }
.space-free { color: var(--accent); }

/* ============ 测速功能 ============ */
/* 目标选择 */
.speedtest-target-row {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}
.speedtest-select {
  flex: 1;
  padding: 12px 14px;
  font-size: 15px;
  font-family: var(--font);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  outline: none;
  background: #fafafa;
  color: var(--text);
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2386868b' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}
.speedtest-select:focus { border-color: var(--accent); background-color: #fff; }

.speedtest-options {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.speedtest-options .full-btn {
  width: 100%;
  padding: 14px;
  font-size: 16px;
}
.speedtest-chunk-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.speedtest-chunk-row .vis-select { flex-shrink: 0; min-width: 140px; }
.speedtest-chunk-input {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.speedtest-chunk-input .code-input {
  width: 72px;
  text-align: center;
  padding: 8px 6px;
}
.chunk-unit { font-size: 13px; color: var(--text-secondary); font-weight: 600; }


/* 测速页粒子速度感动效背景 */
.speedtest-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: inherit;
  pointer-events: none;
  z-index: 0;
}
.speedtest-particles .particle {
  position: absolute;
  bottom: -12px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,113,227,0.9), rgba(64,200,244,0.35));
  animation: particle-rise linear infinite;
  will-change: transform, opacity;
}
@keyframes particle-rise {
  0%   { transform: translateY(0) translateX(0) scale(1); opacity: 0; }
  10%  { opacity: 0.85; }
  100% { transform: translateY(-720px) translateX(var(--drift, 20px)) scale(0.2); opacity: 0; }
}
/* 测速进行中加速粒子 */
#speedtestPanel.testing .speedtest-particles .particle {
  animation-duration: 3s;
}

/* 网络信息区 */
.speedtest-net-info { position: relative; z-index: 1; }
.net-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.net-info-item {
  background: var(--card);
  border: 1px solid var(--divider);
  border-radius: 10px;
  padding: 10px 12px;
}
.ni-label { display: block; font-size: 11px; color: var(--text-tertiary); margin-bottom: 4px; }
.ni-value { font-size: 13px; font-weight: 600; word-break: break-all; font-variant-numeric: tabular-nums; }
.ni-value.ni-ua { font-size: 11px; font-weight: 400; color: var(--text-secondary); }

/* 测速仪表盘 */
.speedtest-gauge {
  display: flex;
  flex-direction: column;
  gap: 20px;
  animation: gauge-enter 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes gauge-enter {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.gauge-wrap {
  position: relative;
  width: 220px;
  height: 220px;
  margin: 0 auto;
}
.gauge-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}
.gauge-bg {
  fill: none;
  stroke: var(--divider);
  stroke-width: 14;
}
.gauge-arc {
  fill: none;
  stroke: url(#gaugeGrad);
  stroke-width: 14;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.3s ease;
}
.gauge-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
}
.gauge-speed {
  font-size: 46px;
  font-weight: 700;
  letter-spacing: -1px;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  line-height: 1;
}
.gauge-unit {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-tertiary);
}

/* 指标卡 */
.speedtest-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.speedtest-metric {
  background: #f7f8fb;
  border: 1px solid var(--divider);
  border-radius: 12px;
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: background 0.2s;
}
.stm-label {
  font-size: 11px;
  color: var(--text-tertiary);
  letter-spacing: 0.3px;
}
.stm-value {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

/* 测速状态 */
.speedtest-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}
.speedtest-status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-tertiary);
  transition: background 0.3s;
}
.speedtest-status-dot.connecting { background: #ff9500; animation: pulse 1.2s infinite; }
.speedtest-status-dot.testing { background: var(--accent); animation: pulse 1.2s infinite; }
.speedtest-status-dot.idle { background: var(--success); }
.speedtest-status-dot.error { background: var(--danger); }
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 113, 227, 0.4); }
  50% { opacity: 0.6; box-shadow: 0 0 0 6px rgba(0, 113, 227, 0); }
}

/* 阶段进度条 */
.speedtest-phase-bar {
  height: 6px;
  border-radius: 3px;
  background: var(--divider);
  overflow: hidden;
}
.speedtest-phase-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #0071e3, #40c8f4, #34c759);
  border-radius: 3px;
  transition: width 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.speedtest-phase-label {
  text-align: center;
  font-size: 12px;
  color: var(--text-tertiary);
}

/* 测速历史 */
.speedtest-result-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
}
.speedtest-result-list li.empty {
  padding: 16px;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 13px;
}
.speedtest-result-item {
  background: #f7f8fb;
  border: 1px solid var(--divider);
  border-radius: 12px;
  padding: 12px 14px;
  animation: result-enter 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes result-enter {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}
.sr-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.sr-idx {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  background: #e8f1fb;
  border-radius: 6px;
  padding: 2px 8px;
}
.sr-time {
  font-size: 12px;
  color: var(--text-tertiary);
  flex: 1;
}
.sr-badge {
  font-size: 11px;
  font-weight: 600;
  border-radius: 6px;
  padding: 2px 8px;
}
.sr-badge.ok { background: #e8f7ee; color: #1a7f37; }
.sr-badge.stop { background: #fdecea; color: #c0392b; }
.sr-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.sr-metric {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.sr-label {
  font-size: 11px;
  color: var(--text-tertiary);
}
.sr-value {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.sr-diag {
  margin-top: 8px;
  padding: 6px 8px;
  border-radius: 6px;
  background: rgba(255, 59, 48, 0.08);
  border: 1px solid rgba(255, 59, 48, 0.3);
  color: #d70015;
  font-size: 11px;
  line-height: 1.5;
  word-break: break-all;
}

.sr-value.down { color: var(--accent); }
.sr-value.up { color: var(--success); }

/* 响应式 */
@media (max-width: 400px) {
  .code { font-size: 36px; letter-spacing: 8px; }
  .card { padding: 20px 16px; }
  .gauge-wrap { width: 180px; height: 180px; }
  .gauge-speed { font-size: 38px; }
}

/* ============ 横屏模式响应式适配 ============ */
/* 窄屏/移动端：横屏布局降级为单列（侧栏在上、浏览区在下），保持可读性 */
@media (max-width: 760px) {
  body.landscape-share .app { max-width: 100%; }
  body.landscape-share #sharePanel {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  body.landscape-share #sharePanel .share-side { position: static; }
  body.landscape-share .share-list {
    max-height: 480px;
    min-height: 240px;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }
}
/* 中等屏（平板竖屏）：两栏但侧栏更窄 */
@media (min-width: 761px) and (max-width: 980px) {
  body.landscape-share .app { max-width: 860px; }
  body.landscape-share #sharePanel { grid-template-columns: 260px 1fr; }
}

/* ============ 共享码勾选式 ============ */
.share-code-toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 4px 0 10px;
}
.share-code-toggle-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
}

/* ============ 文档缩略图占位 ============ */
.doc-thumb {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
}
.doc-thumb-label {
  font-size: 15px;
  letter-spacing: 1px;
  text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}
.doc-ppt { background: linear-gradient(135deg, #ff7a59, #e0442e); }
.doc-doc { background: linear-gradient(135deg, #4f8ef7, #2b5cc4); }
.doc-xls { background: linear-gradient(135deg, #2fbf71, #1d8a4e); }
.doc-pdf { background: linear-gradient(135deg, #ff5a5a, #c0392b); }
.doc-zip { background: linear-gradient(135deg, #f5a623, #d48806); }
.doc-audio { background: linear-gradient(135deg, #9b59b6, #7d3c98); }
.doc-txt { background: linear-gradient(135deg, #8e9eab, #5d6d7e); }
/* 无封面视频占位：不预加载视频，显示播放图标，点预览才加载 */
.video-thumb {
  background: linear-gradient(135deg, #3a3f4b, #1c1f26);
  color: rgba(255,255,255,0.85);
  font-size: 30px;
}

/* ============ 三点更多操作菜单 ============ */
.more-menu {
  position: fixed;
  z-index: 300;
  min-width: 150px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.18);
  padding: 6px;
  display: flex;
  flex-direction: column;
  animation: more-menu-in 0.18s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes more-menu-in {
  from { opacity: 0; transform: scale(0.9) translateY(-6px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.more-menu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: none;
  background: transparent;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  font-family: var(--font);
  text-align: left;
  transition: background 0.15s;
}
.more-menu-item:hover { background: #f2f2f7; }
.more-menu-item.danger { color: var(--danger); }
.more-menu-item.danger:hover { background: #fdecea; }

/* ============ 分享/移动/日志弹窗 ============ */
.share-link-tip { font-size: 13px; color: var(--text-secondary); margin-bottom: 12px; }
.share-link-row {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}
.share-link-row .code-input { flex: 1; font-size: 12px; }
.share-link-hint {
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.5;
}
.log-password-row {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}
.log-password-row .code-input { flex: 1; }
.log-uploader {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 10px;
  background: #f7f8fb;
  border-radius: 8px;
  margin-bottom: 10px;
  line-height: 1.6;
}
.log-stats {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.log-stat-chip {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 14px;
  background: #eef2ff;
  color: #4f5bd5;
}
.log-list {
  list-style: none;
  max-height: 320px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.log-list li {
  font-size: 12px;
  color: var(--text-secondary);
  padding: 8px 10px;
  background: #fafafa;
  border: 1px solid var(--divider);
  border-radius: 8px;
  line-height: 1.5;
}
.log-list li .log-type {
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 11px;
  margin-right: 6px;
}
.log-type.upload { background: #e8f7ee; color: #1a7f37; }
.log-type.access { background: #eef2ff; color: #4f5bd5; }
.log-type.preview { background: #fff3d6; color: #b8860b; }
.log-type.download { background: #fdecea; color: #c0392b; }
.log-list li .log-meta {
  color: var(--text-tertiary);
  margin-top: 3px;
  font-size: 11px;
  word-break: break-all;
}


/* ============ 运行状态显示 ============ */
.run-status-section {
  border: 1px solid var(--divider);
  border-radius: 12px;
  padding: 12px 16px;
  background: #fafafa;
  margin-bottom: 14px;
}
.run-status-section .section-head {
  margin-bottom: 8px;
}
.run-status-count { color: var(--accent); }
.run-status-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}
.run-status-row .mini-btn { margin-left: auto; }
.run-status-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2fbf71;
  animation: run-pulse 1.2s ease-in-out infinite;
}
@keyframes run-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(47,191,113,0.5); }
  50% { opacity: 0.6; box-shadow: 0 0 0 5px rgba(47,191,113,0); }
}

/* 传输详情列表 */
.transfer-detail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 360px;
  overflow-y: auto;
}
.transfer-detail-list li {
  padding: 12px;
  border: 1px solid var(--divider);
  border-radius: 10px;
  margin-bottom: 10px;
  background: #fff;
}
.transfer-detail-list li.empty {
  border: none;
  text-align: center;
  color: var(--text-tertiary);
  padding: 20px;
}
.td-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}
.td-device {
  font-weight: 600;
  font-size: 13px;
}
.td-device small { color: var(--text-tertiary); font-weight: 400; margin-left: 4px; }
.td-state {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  background: #eef1f5;
  color: var(--text-secondary);
}
.td-state.sending { background: #e8f5ff; color: #0071e3; }
.td-state.receiving { background: #e9f9ef; color: #2fbf71; }
.td-file {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.td-metrics {
  display: flex;
  gap: 18px;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.td-metric b { color: var(--text-primary); }
.td-bar {
  height: 6px;
  border-radius: 3px;
  background: var(--divider);
  overflow: hidden;
}
.td-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.3s ease;
}