/* ========== AI 维修计划按钮 ========== */
.btn-ai-plan {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: white;
  border: none;
  border-radius: 24px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(212, 113, 78, 0.25);
  transition: all 0.3s ease;
}

.btn-ai-plan:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 113, 78, 0.35);
}

.btn-ai-plan svg {
  animation: sparkle 2s ease-in-out infinite;
}

/* ========== AI 维修计划模态框 ========== */
.ai-plan-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.3s ease;
}

.ai-plan-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 22, 18, 0.6);
  backdrop-filter: blur(8px);
}

.ai-plan-container {
  position: relative;
  width: 90%;
  max-width: 1200px;
  max-height: 85vh;
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  animation: slideUp 0.4s ease;
}

.ai-plan-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px;
  border-bottom: 1px solid var(--border);
}

.ai-plan-header h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.ai-plan-header p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.ai-plan-close {
  width: 36px;
  height: 36px;
  border: none;
  background: var(--bg-hover);
  border-radius: 50%;
  color: var(--text-secondary);
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ai-plan-close:hover {
  background: var(--accent-dim);
  color: var(--accent);
  transform: rotate(90deg);
}

.plan-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 24px 32px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.plan-stat-item {
  text-align: center;
}

.plan-stat-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.plan-stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.plan-content {
  flex: 1;
  overflow-y: auto;
  padding: 24px 32px;
}

.plan-section {
  margin-bottom: 32px;
}

.plan-section:last-child {
  margin-bottom: 0;
}

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

.plan-section-header h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.plan-section-count {
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--bg-secondary);
  padding: 4px 12px;
  border-radius: 12px;
}

.plan-task-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.plan-task-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  transition: all 0.2s ease;
}

.plan-task-card:hover {
  border-color: var(--accent-border);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

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

.plan-task-title {
  flex: 1;
}

.plan-task-title h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.plan-task-location {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.plan-task-priority {
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.plan-task-priority.urgent {
  background: rgba(192, 57, 43, 0.1);
  color: #C0392B;
}

.plan-task-priority.high {
  background: rgba(196, 130, 14, 0.1);
  color: #C4820E;
}

.plan-task-priority.normal {
  background: rgba(91, 138, 114, 0.1);
  color: #5B8A72;
}

.plan-task-priority.low {
  background: rgba(139, 110, 162, 0.1);
  color: #8B6EA2;
}

.plan-task-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding: 12px;
  background: var(--bg-secondary);
  border-radius: var(--radius-xs);
  margin-bottom: 12px;
}

.plan-task-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.plan-task-meta-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.plan-task-meta-value {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.plan-task-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.plan-task-tool {
  padding: 4px 10px;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 500;
}

.plan-task-schedule {
  margin-top: 12px;
  padding: 10px;
  background: var(--bg-hover);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-xs);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.plan-task-schedule strong {
  color: var(--accent);
  font-weight: 600;
}