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

body {
  width: 420px;
  max-height: 560px;
  font-family: system-ui, -apple-system, 'Segoe UI', 'Microsoft YaHei', sans-serif;
  font-size: 13px;
  color: #1f2937;
  background: #ffffff;
}

.container {
  padding: 12px;
  display: flex;
  flex-direction: column;
  max-height: 560px;
}

header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.logo {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}

.title h1 {
  font-size: 14px;
  font-weight: 600;
  color: #111827;
}

.subtitle {
  font-size: 11px;
  color: #6b7280;
}

/* Tab 切换 */
.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 10px;
  border-bottom: 1px solid #e5e7eb;
}

.tab {
  flex: 1;
  padding: 6px 10px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  font-size: 12px;
  cursor: pointer;
  color: #6b7280;
  transition: color 0.15s, border-color 0.15s;
}

.tab:hover {
  color: #1f2937;
}

.tab.active {
  color: #111827;
  border-bottom-color: #111827;
  font-weight: 500;
}

.panel {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.panel.hidden {
  display: none;
}

/* 状态条 */
.status {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 6px;
  background: #f3f4f6;
  margin-bottom: 10px;
  font-size: 12px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #9ca3af;
}

.dot.ok { background: #10b981; }
.dot.fail { background: #ef4444; }

/* 表单 */
.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 8px;
}

.field span {
  font-size: 11px;
  color: #4b5563;
  font-weight: 500;
}

.field input {
  padding: 6px 8px;
  border: 1px solid #d1d5db;
  border-radius: 4px;
  font-size: 12px;
  font-family: 'JetBrains Mono', 'Consolas', monospace;
}

.field input:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
  cursor: pointer;
  user-select: none;
}

.checkbox input { cursor: pointer; }

.actions {
  display: flex;
  gap: 8px;
  margin-top: 6px;
}

.actions button {
  flex: 1;
  padding: 7px 10px;
  border: 1px solid #d1d5db;
  background: #ffffff;
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.actions button:hover { background: #f9fafb; }

.actions button.primary {
  background: #111827;
  color: #ffffff;
  border-color: #111827;
}

.actions button.primary:hover { background: #1f2937; }

/* 嗅探面板 */
.sniff-toolbar {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
  align-items: center;
}

.sniff-toolbar button,
.sniff-toolbar select {
  padding: 5px 8px;
  font-size: 11px;
  border: 1px solid #d1d5db;
  background: #ffffff;
  border-radius: 4px;
  cursor: pointer;
}

.sniff-toolbar button:hover { background: #f9fafb; }

/* 资源类型子 Tab */
.sniff-tabs {
  display: flex;
  gap: 2px;
  margin-bottom: 8px;
  background: #f3f4f6;
  border-radius: 6px;
  padding: 3px;
}

.sniff-tab {
  flex: 1;
  padding: 5px 8px;
  background: transparent;
  border: none;
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
  color: #6b7280;
  transition: background 0.15s, color 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.sniff-tab:hover {
  color: #1f2937;
}

.sniff-tab.active {
  background: #ffffff;
  color: #111827;
  font-weight: 500;
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.sniff-tab-count {
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 8px;
  background: #e5e7eb;
  color: #6b7280;
  min-width: 16px;
  text-align: center;
}

.sniff-tab.active .sniff-tab-count {
  background: #111827;
  color: #ffffff;
}

.sniff-list {
  flex: 1;
  overflow-y: auto;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  background: #fafafa;
  max-height: 380px;
}

.sniff-list .empty {
  padding: 24px 10px;
  text-align: center;
  color: #9ca3af;
  font-size: 12px;
}

.sniff-item {
  padding: 8px 10px;
  border-bottom: 1px solid #f0f0f0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: background 0.12s;
}

.sniff-item:hover {
  background: #f3f4f6;
}

.sniff-item:last-child {
  border-bottom: none;
}

.sniff-item-head {
  display: flex;
  align-items: center;
  gap: 6px;
}

.sniff-badge {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 3px;
  color: #ffffff;
  font-weight: 500;
  white-space: nowrap;
}

.sniff-filename {
  flex: 1;
  font-size: 12px;
  font-weight: 500;
  color: #1f2937;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sniff-size {
  font-size: 10px;
  color: #6b7280;
  font-family: 'JetBrains Mono', monospace;
  white-space: nowrap;
}

.sniff-url {
  font-size: 10px;
  color: #9ca3af;
  font-family: 'JetBrains Mono', monospace;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sniff-actions {
  display: flex;
  gap: 4px;
  margin-top: 2px;
}

.sniff-actions button {
  font-size: 10px;
  padding: 3px 8px;
  border: 1px solid #d1d5db;
  background: #ffffff;
  border-radius: 3px;
  cursor: pointer;
}

.sniff-actions button:hover { background: #f3f4f6; }

.sniff-actions button.dl {
  background: #111827;
  color: #ffffff;
  border-color: #111827;
}

.sniff-actions button.dl:hover { background: #1f2937; }

.sniff-stats {
  margin-top: 6px;
  font-size: 10px;
  color: #6b7280;
  text-align: right;
}

/* 嗅探项：图片缩略图 */
.sniff-thumb {
  width: 100%;
  max-height: 120px;
  object-fit: cover;
  border-radius: 4px;
  margin-top: 4px;
  cursor: pointer;
  background: #f3f4f6;
}

.sniff-preview-btn {
  font-size: 10px;
  padding: 3px 8px;
  border: 1px solid #d1d5db;
  background: #ffffff;
  border-radius: 3px;
  cursor: pointer;
}

.sniff-preview-btn:hover { background: #f3f4f6; }

/* 预览浮层 */
.preview-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: 12px;
}

.preview-overlay.active {
  display: flex;
}

.preview-content {
  position: relative;
  max-width: 100%;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.preview-close {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #ffffff;
  border: none;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  z-index: 1;
}

.preview-close:hover { background: #f3f4f6; }

.preview-body {
  max-width: 380px;
  max-height: 440px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.preview-body img {
  max-width: 380px;
  max-height: 440px;
  object-fit: contain;
  border-radius: 4px;
}

.preview-body video {
  max-width: 380px;
  max-height: 440px;
  border-radius: 4px;
  background: #000;
}

.preview-info {
  color: #ffffff;
  font-size: 11px;
  text-align: center;
  max-width: 380px;
  word-break: break-all;
  background: rgba(0,0,0,0.5);
  padding: 4px 8px;
  border-radius: 4px;
}