:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a25;
  --fg-primary: #e0e0e0;
  --fg-secondary: #888899;
  --fg-muted: #555566;
  --accent-cyan: #00ffd5;
  --accent-magenta: #ff00aa;
  --accent-yellow: #ffee00;
  --accent-green: #00ff66;
  --accent-red: #ff3366;
  --border-color: #2a2a3a;
  --glow-cyan: 0 0 20px rgba(0, 255, 213, 0.3);
  --glow-magenta: 0 0 20px rgba(255, 0, 170, 0.3);
}

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

html {
  font-size: 14px;
  touch-action: manipulation;
}

body {
  font-family: 'JetBrains Mono', monospace;
  background: var(--bg-primary);
  min-height: 100vh;
  color: var(--fg-primary);
  position: relative;
  overflow-x: hidden;
  touch-action: manipulation;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

input, textarea, button {
  -webkit-user-select: text;
  user-select: text;
  touch-action: manipulation;
}

/* 扫描线效果 */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0, 255, 213, 0.015) 2px, rgba(0, 255, 213, 0.015) 4px);
  pointer-events: none;
  z-index: 9999;
}

/* 网格背景 */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(rgba(0, 255, 213, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 255, 213, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: -1;
}

/* 动态背景光晕 */
.bg-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(150px);
  opacity: 0.15;
  pointer-events: none;
  z-index: -1;
}

.bg-glow.cyan {
  background: var(--accent-cyan);
  top: -200px;
  right: -200px;
  animation: float 20s ease-in-out infinite;
}

.bg-glow.magenta {
  background: var(--accent-magenta);
  bottom: -200px;
  left: -200px;
  animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(50px, 50px); }
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 20px;
  position: relative;
}

/* 头部 */
header {
  text-align: center;
  margin-bottom: 50px;
  animation: fadeInDown 0.8s ease-out;
  position: relative;
}

.btn-lang {
  position: absolute;
  top: 0;
  left: 0;
  padding: 8px 12px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--fg-secondary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-lang:hover {
  border-color: var(--accent-magenta);
  color: var(--accent-magenta);
  background: rgba(255, 0, 170, 0.1);
}

.btn-share-url {
  position: absolute;
  top: 0;
  right: 0;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.btn-share-url svg {
  width: 18px;
  height: 18px;
  stroke: var(--fg-secondary);
  transition: stroke 0.2s;
}

.btn-share-url:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 255, 213, 0.1);
}

.btn-share-url:hover svg {
  stroke: var(--accent-cyan);
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-30px); }
  to { opacity: 1; transform: translateY(0); }
}

.logo {
  font-family: 'Orbitron', sans-serif;
  font-size: 3.5rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-magenta) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  display: inline-block;
}

.logo::after {
  content: 'CLIP://';
  position: absolute;
  left: 0;
  top: 0;
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-magenta) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: blur(20px);
  opacity: 0.5;
}

.tagline {
  color: var(--fg-secondary);
  font-size: 0.85rem;
  margin-top: 8px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.tagline span {
  color: var(--accent-cyan);
}

/* 模块卡片 */
.module {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
  animation: fadeInUp 0.6s ease-out backwards;
}

.module:nth-child(2) { animation-delay: 0.1s; }
.module:nth-child(3) { animation-delay: 0.2s; }
.module:nth-child(4) { animation-delay: 0.3s; }
.module:nth-child(5) { animation-delay: 0.4s; }

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

.module::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan) 20%, var(--accent-magenta) 80%, transparent);
}

.module-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-tertiary);
}

.module-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.module-icon svg {
  width: 16px;
  height: 16px;
  stroke: var(--accent-cyan);
}

.module-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--fg-secondary);
  flex: 1;
}

.module-badge {
  font-size: 0.65rem;
  padding: 2px 8px;
  border-radius: 2px;
  background: rgba(0, 255, 213, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 255, 213, 0.2);
}

.module-content {
  padding: 20px;
}

/* 可折叠模块 */
.module.collapsible .module-header {
  cursor: pointer;
}

.module.collapsible .module-content {
  display: none;
}

.module.collapsible.expanded .module-content {
  display: block;
}

.collapse-icon {
  width: 16px;
  height: 16px;
  stroke: var(--fg-muted);
  margin-left: 8px;
  transition: transform 0.2s;
}

.module.collapsible.expanded .collapse-icon {
  transform: rotate(180deg);
}

/* ID 输入区 */
.id-display {
  display: flex;
  align-items: stretch;
  gap: 0;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  overflow: hidden;
}

.id-label {
  padding: 12px 14px;
  background: var(--bg-tertiary);
  color: var(--fg-muted);
  font-size: 0.8rem;
  border-right: 1px solid var(--border-color);
  display: flex;
  align-items: center;
}

.id-input {
  flex: 1;
  background: transparent;
  border: none;
  padding: 12px 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  color: var(--accent-cyan);
  letter-spacing: 0.05em;
}

.id-input:focus { outline: none; }
.id-input::placeholder { color: var(--fg-muted); }

.btn-copy-id {
  padding: 12px 18px;
  background: transparent;
  border: none;
  border-left: 1px solid var(--border-color);
  color: var(--fg-secondary);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: all 0.2s;
}

.btn-copy-id:hover {
  background: rgba(0, 255, 213, 0.1);
  color: var(--accent-cyan);
}

/* 状态指示器 */
.status-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  position: relative;
}

.status-indicator::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: inherit;
  opacity: 0.3;
  animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.3; }
  100% { transform: scale(1.5); opacity: 0; }
}

.status-indicator.disconnected { background: var(--accent-yellow); }
.status-indicator.connected { background: var(--accent-green); }
.status-indicator.error { background: var(--accent-red); }
.status-indicator.connecting { background: var(--accent-cyan); animation: blink 0.8s infinite; }

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.status-text {
  font-size: 0.8rem;
  color: var(--fg-secondary);
}

.status-text .highlight {
  color: var(--accent-cyan);
}

/* 连接区 */
.connect-row {
  display: flex;
  gap: 12px;
}

.input-field {
  flex: 1;
  position: relative;
}

.input-field input {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 14px 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  color: var(--fg-primary);
  transition: all 0.2s;
}

.input-field input:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: var(--glow-cyan);
}

.input-field input::placeholder { color: var(--fg-muted); }

.btn-connect {
  padding: 14px 28px;
  background: transparent;
  border: 1px solid var(--accent-cyan);
  border-radius: 4px;
  color: var(--accent-cyan);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}

.btn-connect::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-magenta));
  opacity: 0;
  transition: opacity 0.3s;
}

.btn-connect:hover::before { opacity: 0.15; }
.btn-connect:hover { box-shadow: var(--glow-cyan); transform: translateY(-1px); }
.btn-connect:active { transform: translateY(0); }

/* 剪切板区域 */
.clipboard-wrapper {
  position: relative;
}

.clipboard-area {
  width: 100%;
  min-height: 200px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  color: var(--fg-primary);
  line-height: 1.7;
  resize: vertical;
  transition: all 0.2s;
}

.clipboard-area:focus {
  outline: none;
  border-color: var(--accent-magenta);
  box-shadow: var(--glow-magenta);
}

.clipboard-area::placeholder { color: var(--fg-muted); }

.char-count {
  position: absolute;
  bottom: 12px;
  right: 12px;
  font-size: 0.7rem;
  color: var(--fg-muted);
  pointer-events: none;
}

/* 操作按钮 */
.action-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.btn-action {
  padding: 14px 16px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-action svg {
  width: 14px;
  height: 14px;
  transition: stroke 0.2s;
}

.btn-action.send { color: var(--accent-cyan); border-color: var(--accent-cyan); }
.btn-action.send:hover { background: rgba(0, 255, 213, 0.1); box-shadow: var(--glow-cyan); }
.btn-action.send svg { stroke: var(--accent-cyan); }

.btn-action.broadcast { color: var(--accent-yellow); border-color: rgba(255, 238, 0, 0.3); }
.btn-action.broadcast:hover { border-color: var(--accent-yellow); background: rgba(255, 238, 0, 0.1); box-shadow: 0 0 20px rgba(255, 238, 0, 0.3); }
.btn-action.broadcast svg { stroke: var(--accent-yellow); }

.btn-action.copy { color: var(--accent-magenta); border-color: rgba(255, 0, 170, 0.3); }
.btn-action.copy:hover { border-color: var(--accent-magenta); background: rgba(255, 0, 170, 0.1); box-shadow: var(--glow-magenta); }
.btn-action.copy svg { stroke: var(--accent-magenta); }

.btn-action.clear { color: var(--fg-secondary); border-color: var(--border-color); }
.btn-action.clear:hover { border-color: var(--accent-red); color: var(--accent-red); background: rgba(255, 51, 102, 0.1); }
.btn-action.clear svg { stroke: var(--fg-secondary); }
.btn-action.clear:hover svg { stroke: var(--accent-red); }

/* 历史记录 */
.history-list {
  max-height: 300px;
  overflow-y: auto;
}

.history-list::-webkit-scrollbar { width: 4px; }
.history-list::-webkit-scrollbar-track { background: var(--bg-tertiary); }
.history-list::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 2px; }

.btn-clear-history {
  background: transparent;
  border: none;
  padding: 4px;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.2s;
}

.btn-clear-history:hover { opacity: 1; }
.btn-clear-history svg { width: 14px; height: 14px; stroke: var(--accent-red); }

.history-item {
  padding: 14px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}

.history-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent-cyan);
  transform: scaleY(0);
  transition: transform 0.2s;
}

.history-item:hover { border-color: var(--accent-cyan); background: rgba(0, 255, 213, 0.03); }
.history-item:hover::before { transform: scaleY(1); }
.history-item.received::before { background: var(--accent-magenta); }

.history-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
}

.history-time { font-size: 0.7rem; color: var(--fg-muted); }

.history-type {
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.history-type.sent { background: rgba(0, 255, 213, 0.1); color: var(--accent-cyan); }
.history-type.received { background: rgba(255, 0, 170, 0.1); color: var(--accent-magenta); }

.history-sender {
  font-size: 0.7rem;
  color: var(--fg-muted);
  margin-bottom: 4px;
  font-family: 'JetBrains Mono', monospace;
}

.history-preview {
  font-size: 0.85rem;
  color: var(--fg-secondary);
  word-break: break-all;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.empty-state {
  text-align: center;
  padding: 50px 20px;
  color: var(--fg-muted);
}

.empty-state svg {
  width: 40px;
  height: 40px;
  stroke: var(--fg-muted);
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state p { font-size: 0.85rem; }

/* Toast 提示 */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-secondary);
  border: 1px solid var(--accent-cyan);
  border-radius: 4px;
  padding: 14px 24px;
  font-size: 0.85rem;
  color: var(--fg-primary);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1000;
  box-shadow: var(--glow-cyan);
}

.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.success { border-color: var(--accent-green); box-shadow: 0 0 20px rgba(0, 255, 102, 0.3); }
.toast.error { border-color: var(--accent-red); box-shadow: 0 0 20px rgba(255, 51, 102, 0.3); }

/* 扫描线动画 */
@keyframes scan {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

.scan-line {
  position: fixed;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
  opacity: 0.1;
  pointer-events: none;
  z-index: 9998;
  animation: scan 8s linear infinite;
}

/* 响应式 */
@media (max-width: 600px) {
  .logo { font-size: 2.5rem; }
  .action-bar { grid-template-columns: 1fr; }
  .connect-row { flex-direction: column; }
  .id-display { flex-direction: column; }
  .id-label { border-right: none; border-bottom: 1px solid var(--border-color); }
  .btn-copy-id { border-left: none; border-top: 1px solid var(--border-color); }
}

/* 数据流动画 */
.data-flow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), var(--accent-magenta), transparent);
  transform: translateX(-100%);
  opacity: 0;
  transition: opacity 0.3s;
}

.module.sending .data-flow { opacity: 1; animation: dataFlow 0.8s ease-in-out; }

@keyframes dataFlow {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* 闪烁光标 */
.cursor-blink::after {
  content: '█';
  animation: cursorBlink 1s step-end infinite;
  margin-left: 2px;
}

@keyframes cursorBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* 连接方式标签页 */
.connect-tabs {
  display: flex;
  margin-bottom: 16px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  overflow: hidden;
}

.tab-btn {
  flex: 1;
  padding: 10px 16px;
  background: transparent;
  border: none;
  color: var(--fg-secondary);
  font-family: inherit;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.2s;
}

.tab-btn:not(:last-child) { border-right: 1px solid var(--border-color); }
.tab-btn.active { background: rgba(0, 255, 213, 0.1); color: var(--accent-cyan); }

.tab-content { display: none; }
.tab-content.active { display: block; }

/* QR 区域 */
.qr-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.qr-show { text-align: center; }

.qr-label {
  font-size: 0.75rem;
  color: var(--fg-secondary);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.qr-container {
  background: white;
  padding: 16px;
  border-radius: 8px;
  display: inline-block;
}

.qr-container canvas { display: block; }

.qr-divider {
  display: flex;
  align-items: center;
  width: 100%;
  gap: 16px;
}

.qr-divider::before, .qr-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

.qr-divider span {
  font-size: 0.7rem;
  color: var(--fg-muted);
  text-transform: uppercase;
}

.qr-scan { width: 100%; }

.btn-scan {
  width: 100%;
  padding: 14px 20px;
  background: transparent;
  border: 1px solid var(--accent-magenta);
  border-radius: 4px;
  color: var(--accent-magenta);
  font-family: inherit;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn-scan svg { width: 18px; height: 18px; stroke: var(--accent-magenta); }
.btn-scan:hover { background: rgba(255, 0, 170, 0.1); box-shadow: var(--glow-magenta); }

/* 扫描器弹窗 */
.scanner-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.scanner-modal.active { display: flex; }

.scanner-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  width: 100%;
  max-width: 400px;
  overflow: hidden;
}

.scanner-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--fg-primary);
}

.scanner-close {
  background: transparent;
  border: none;
  color: var(--fg-secondary);
  font-size: 24px;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.scanner-close:hover { color: var(--accent-red); }

#qrReader { width: 100%; }
#qrReader video { width: 100% !important; border-radius: 0 0 8px 8px; }

.scanner-hint {
  text-align: center;
  padding: 16px;
  font-size: 0.75rem;
  color: var(--fg-muted);
  background: var(--bg-tertiary);
}

/* 设备列表 */
.device-list {
  max-height: 200px;
  overflow-y: auto;
}

.device-list::-webkit-scrollbar { width: 4px; }
.device-list::-webkit-scrollbar-track { background: var(--bg-tertiary); }
.device-list::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 2px; }

.device-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}

.device-item:last-child { margin-bottom: 0; }
.device-item:hover { border-color: var(--accent-cyan); background: rgba(0, 255, 213, 0.03); }
.device-item.selected { border-color: var(--accent-cyan); background: rgba(0, 255, 213, 0.1); }

.device-item.selected::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent-cyan);
}

.device-status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  flex-shrink: 0;
}

.device-id {
  flex: 1;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--accent-cyan);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.btn-device {
  padding: 6px 12px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 2px;
  color: var(--fg-secondary);
  font-family: inherit;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-device:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); }
.btn-device.disconnect:hover { border-color: var(--accent-red); color: var(--accent-red); }

.btn-select-all {
  width: 100%;
  padding: 10px 16px;
  background: transparent;
  border: 1px dashed var(--border-color);
  border-radius: 4px;
  color: var(--fg-secondary);
  font-family: inherit;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 8px;
}

.btn-select-all:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); border-style: solid; }

/* 历史设备列表 */
.recent-device-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  margin-bottom: 8px;
  transition: all 0.2s;
  position: relative;
}

.recent-device-item:last-child { margin-bottom: 0; }
.recent-device-item:hover { border-color: var(--accent-cyan); background: rgba(0, 255, 213, 0.03); }
.recent-device-item.connected { border-color: var(--accent-green); background: rgba(0, 255, 102, 0.05); }

.recent-device-item.connected::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent-green);
}

.recent-device-info {
  flex: 1;
  overflow: hidden;
}

.recent-device-id {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--accent-cyan);
  margin-bottom: 4px;
}

.recent-device-item.connected .recent-device-id {
  color: var(--accent-green);
}

.recent-device-time {
  font-size: 0.7rem;
  color: var(--fg-muted);
}

.recent-device-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.recent-device-status {
  font-size: 0.65rem;
  padding: 4px 8px;
  border-radius: 2px;
  background: rgba(0, 255, 102, 0.1);
  color: var(--accent-green);
  border: 1px solid rgba(0, 255, 102, 0.3);
}