/* ==================== 全局样式 ==================== */

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

:root {
  --primary-color: #1890ff;
  --success-color: #52c41a;
  --error-color: #ff4d4f;
  --warning-color: #faad14;
  --text-color: #333;
  --text-secondary: #666;
  --bg-color: #f5f5f5;
  --border-color: #e8e8e8;
  --card-bg: #fff;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
}

.hidden {
  display: none !important;
}

/* ==================== 登录页面 ==================== */

#login-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-box {
  background: var(--card-bg);
  padding: 40px;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  width: 400px;
  max-width: 90vw;
}

.login-box h1 {
  text-align: center;
  font-size: 28px;
  margin-bottom: 8px;
  color: var(--text-color);
}

.login-box .subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.login-tabs {
  display: flex;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: 24px;
}

.tab-btn {
  flex: 1;
  padding: 12px;
  border: none;
  background: none;
  font-size: 14px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
}

.tab-btn.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.login-content {
  display: none;
}

.login-content.active {
  display: block;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-color);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 14px;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
}

.code-input {
  display: flex;
  gap: 10px;
}

.code-input input {
  flex: 1;
}

.btn-code {
  padding: 12px 16px;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.3s;
}

.btn-code:hover {
  background: var(--border-color);
}

.btn-code:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  width: 100%;
  padding: 14px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.3s;
}

.btn-primary:hover {
  background: #40a9ff;
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.error-msg {
  margin-top: 16px;
  padding: 12px;
  background: #fff2f0;
  border: 1px solid #ffccc7;
  border-radius: 8px;
  color: var(--error-color);
  font-size: 14px;
  text-align: center;
  display: none;
}

.error-msg.show {
  display: block;
}

/* ==================== 主界面 ==================== */

.header {
  background: var(--card-bg);
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.header h1 {
  font-size: 20px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

#user-info {
  color: var(--text-secondary);
}

.btn-text {
  background: none;
  border: none;
  color: var(--primary-color);
  cursor: pointer;
  font-size: 14px;
}

.main-content {
  display: flex;
  height: calc(100vh - 65px);
}

/* ==================== 侧边栏 ==================== */

.sidebar {
  width: 280px;
  background: var(--card-bg);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
  font-size: 16px;
}

.btn-icon {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
  transition: transform 0.3s;
}

.btn-icon:hover {
  transform: rotate(180deg);
}

.device-list {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
}

.device-item {
  padding: 14px;
  border-radius: 8px;
  margin-bottom: 8px;
  cursor: pointer;
  border: 2px solid var(--border-color);
  transition: all 0.3s;
}

.device-item:hover {
  border-color: var(--primary-color);
  background: #f0f7ff;
}

.device-item.selected {
  border-color: var(--primary-color);
  background: #e6f7ff;
}

.device-item.offline {
  opacity: 0.5;
}

.device-name {
  font-weight: 500;
  margin-bottom: 4px;
}

.device-status {
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-dot.online {
  background: var(--success-color);
}

.status-dot.offline {
  background: #999;
}

/* ==================== 主面板 ==================== */

.main-panel {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.task-input-section,
.task-progress-section,
.screenshot-section,
.log-section {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

h2 {
  font-size: 16px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ==================== 任务表单 ==================== */

.task-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.task-form .form-group:first-child {
  grid-column: 1 / -1;
}

.task-form textarea {
  grid-column: 1 / -1;
  resize: vertical;
  min-height: 80px;
}

.task-form button {
  grid-column: 1 / -1;
}

.quick-commands {
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

.quick-commands h3 {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.quick-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn-quick {
  padding: 8px 16px;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-quick:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

/* ==================== 任务进度 ==================== */

.task-panel {
  min-height: 100px;
}

.task-info {
  margin-bottom: 16px;
}

.task-info-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.task-title {
  font-weight: 500;
}

.task-status-badge {
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
}

.task-status-badge.pending {
  background: #fff7e6;
  color: var(--warning-color);
}

.task-status-badge.processing {
  background: #e6f7ff;
  color: var(--primary-color);
}

.task-status-badge.success {
  background: #f6ffed;
  color: var(--success-color);
}

.task-status-badge.failed,
.task-status-badge.error {
  background: #fff2f0;
  color: var(--error-color);
}

.progress-bar {
  height: 8px;
  background: var(--bg-color);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 16px;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), #40a9ff);
  border-radius: 4px;
  transition: width 0.3s;
}

.steps-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  background: var(--bg-color);
  border-radius: 8px;
  font-size: 14px;
}

.step-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}

.step-icon.pending {
  background: #d9d9d9;
  color: white;
}

.step-icon.processing {
  background: var(--primary-color);
  color: white;
  animation: pulse 1s infinite;
}

.step-icon.success {
  background: var(--success-color);
  color: white;
}

.step-icon.error {
  background: var(--error-color);
  color: white;
}

.step-text {
  flex: 1;
}

.step-time {
  font-size: 12px;
  color: var(--text-secondary);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* ==================== 截图区域 ==================== */

.screenshot-container {
  background: var(--bg-color);
  border-radius: 8px;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.screenshot-container img {
  max-width: 100%;
  max-height: 400px;
  object-fit: contain;
}

/* ==================== 日志区域 ==================== */

.log-container {
  background: #1e1e1e;
  border-radius: 8px;
  padding: 12px;
  max-height: 200px;
  overflow-y: auto;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 12px;
  line-height: 1.8;
}

.log-item {
  color: #d4d4d4;
}

.log-item.info {
  color: #4fc3f7;
}

.log-item.success {
  color: var(--success-color);
}

.log-item.error {
  color: var(--error-color);
}

.log-item.warning {
  color: var(--warning-color);
}

.log-time {
  color: #888;
  margin-right: 8px;
}

/* ==================== 空状态 ==================== */

.empty-state {
  text-align: center;
  color: var(--text-secondary);
  padding: 40px 20px;
}

/* ==================== 响应式 ==================== */

@media (max-width: 768px) {
  .main-content {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    max-height: 200px;
  }

  .task-form {
    grid-template-columns: 1fr;
  }
}