:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --border-color: #30363d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent: #58a6ff;
  --accent-hover: #79b8ff;
  --star-color: #f0883e;
  --success: #3fb950;
  --danger: #f85149;
  --warning: #d29922;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ==================== Header ==================== */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-left .header-logo {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  filter: drop-shadow(0 0 8px rgba(88, 166, 255, 0.35));
}

.header-left .header-title {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.header-left h1 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.header-left .header-sub {
  font-size: 12px;
  color: var(--text-secondary);
}

.header-left .badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-secondary);
  margin-left: 10px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-badge {
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.status-badge.connected {
  background: rgba(63, 185, 80, 0.15);
  color: var(--success);
  border: 1px solid var(--success);
}

.status-badge.disconnected {
  background: rgba(248, 81, 73, 0.15);
  color: var(--danger);
  border: 1px solid var(--danger);
}

/* ==================== Toolbar ==================== */
.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
  flex-wrap: wrap;
}

select, input[type="number"], input[type="text"] {
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
}

select:focus, input:focus {
  border-color: var(--accent);
}

button {
  padding: 6px 14px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

button:hover:not(:disabled) {
  background: var(--bg-tertiary);
  border-color: var(--accent);
}

button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

button:active:not(:disabled) {
  transform: scale(0.97);
}

.btn-write {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  padding: 4px 12px;
  font-size: 12px;
}

.btn-write:hover:not(:disabled) {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

/* ==================== Telemetry Panel ==================== */
.telemetry-panel {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-left: auto;
  padding: 4px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 12px;
}

.tel-item {
  color: var(--text-secondary);
  white-space: nowrap;
}

/* ==================== Search Bar ==================== */
.search-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.search-bar input[type="text"] {
  flex: 1;
  max-width: 300px;
}

.search-bar select {
  min-width: 140px;
}

.star-filter {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
}

.star-filter input {
  accent-color: var(--star-color);
}

/* ==================== 会话改动记录 (diff/回滚) ==================== */
.session-diff {
  display: none;   /* 有改动时由 JS 显示 */
  padding: 6px 20px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
  font-size: 13px;
}

.sd-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.sd-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 2px 0;
  font-size: 12px;
}

.sd-name {
  font-family: var(--font-mono, monospace);
  font-weight: 600;
  min-width: 160px;
}

.sd-values {
  color: var(--text-secondary);
  flex: 1;
}

.btn-mini {
  padding: 2px 10px;
  font-size: 12px;
}

/* ==================== Main Layout ==================== */
.view-tabs {
  display: flex;
  gap: 4px;
  padding: 6px 20px 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.view-tab {
  border: 1px solid var(--border-color);
  border-bottom: none;
  border-radius: 6px 6px 0 0;
  background: var(--bg-primary);
  color: var(--text-secondary);
  padding: 7px 18px;
  font-size: 13px;
}

.view-tab.active {
  background: var(--bg-primary);
  color: var(--accent);
  border-color: var(--accent);
  font-weight: 600;
}

.view {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}

.view.hidden {
  display: none;
}

.main {
  display: grid;
  grid-template-columns: 240px 1fr;
  flex: 1;
  overflow: hidden;
}

/* ==================== Sidebar ==================== */
#categoryList {
  border-right: 1px solid var(--border-color);
  overflow-y: auto;
  padding: 12px;
  background: var(--bg-secondary);
}

.category {
  margin-bottom: 4px;
}

.category h3 {
  font-size: 13px;
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 500;
}

.category:hover h3 {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.category.active h3 {
  background: var(--accent);
  color: #fff;
}

/* ==================== Param Panel ==================== */
#paramPanel {
  overflow-y: auto;
  padding: 16px 20px;
}

.param-group {
  margin-bottom: 20px;
  scroll-margin-top: 4px;
}

@keyframes group-highlight {
  from { background: rgba(88, 166, 255, 0.18); }
  to { background: transparent; }
}

.param-group.highlight {
  animation: group-highlight 1.2s ease-out;
  border-radius: 6px;
}

.param-group-header {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  padding: 8px 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 10px;
}

.param-row {
  display: grid;
  grid-template-columns: 180px 120px 50px 1fr 80px;
  gap: 10px;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--bg-tertiary);
}

.param-row:hover {
  background: rgba(88, 166, 255, 0.05);
}

.param-name {
  font-size: 13px;
  font-weight: 500;
  font-family: 'SF Mono', 'Fira Code', monospace;
}

.star {
  color: var(--star-color);
  margin-right: 4px;
  font-weight: bold;
}

.param-value {
  width: 100%;
}

.param-value.saved {
  box-shadow: 0 0 0 2px var(--success);
}

.param-unit {
  font-size: 12px;
  color: var(--text-muted);
}

.param-hint {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==================== Empty State ==================== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 200px;
  color: var(--text-muted);
}

.empty-state p {
  margin-bottom: 4px;
}

.empty-state .hint {
  font-size: 12px;
  color: var(--text-muted);
}

/* ==================== Footer ==================== */
.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 20px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  font-size: 12px;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.footer-left span {
  margin-right: 15px;
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ==================== Scrollbar ==================== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ==================== Responsive ==================== */
@media (max-width: 768px) {
  .main {
    grid-template-columns: 1fr;
  }

  #categoryList {
    display: none;
  }

  .param-row {
    grid-template-columns: 140px 100px 40px 1fr 70px;
    gap: 6px;
  }

  .toolbar {
    padding: 8px 12px;
  }

  .telemetry-panel {
    display: none !important;
  }
}
/* ==================== 推力线性化体检 (独立 tab) ==================== */
.thrust-check {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin: 12px;
  padding-bottom: 12px;
}

.tc-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.tc-head h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.tc-head-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

.tc-esc {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.tc-summary {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.tc-summary.good {
  color: var(--success);
  border-color: rgba(63, 185, 80, 0.4);
}

.tc-summary.bad {
  color: var(--warning);
  border-color: rgba(210, 153, 34, 0.5);
}

.tc-body {
  padding: 10px 16px 0;
}

/* 手工体检输入行 */
.tc-manual {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 8px 10px;
  margin-bottom: 10px;
  background: var(--bg-primary);
  border: 1px dashed var(--border-color);
  border-radius: 6px;
}

.tc-manual-label {
  font-size: 12px;
  color: var(--text-secondary);
}

.tc-inputs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tc-input-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--text-muted);
}

.tc-input-item input {
  width: 72px;
  padding: 3px 6px;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
}

.tc-btn-ghost {
  opacity: 0.75;
}

/* 左表 + 右曲线 */
.tc-main {
  display: grid;
  grid-template-columns: 1fr 384px;
  gap: 14px;
  align-items: start;
}

@media (max-width: 1100px) {
  .tc-main { grid-template-columns: 1fr; }
}

.tc-rows {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tc-row {
  display: grid;
  grid-template-columns: 168px 96px 1fr;
  gap: 10px;
  align-items: baseline;
  font-size: 12px;
  padding: 5px 8px;
  border-radius: 5px;
  background: var(--bg-primary);
  border-left: 3px solid transparent;
}

.tc-row .tc-name {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--text-primary);
}

.tc-row .tc-val {
  text-align: right;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.tc-row .tc-text {
  color: var(--text-secondary);
}

.tc-row.ok { border-left-color: var(--success); }
.tc-row.info { border-left-color: var(--accent); }
.tc-row.warn { border-left-color: var(--warning); background: rgba(210, 153, 34, 0.08); }
.tc-row.warn .tc-val,
.tc-row.warn .tc-text { color: var(--warning); }
.tc-row.na { border-left-color: var(--border-color); opacity: 0.7; }

.tc-verdict {
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 8px 10px;
}

/* 曲线预览 */
.tc-right {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 10px;
}

.tc-right canvas {
  display: block;
  width: 100%;
  height: auto;
}

.tc-curve-legend {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-top: 6px;
  font-size: 11px;
  color: var(--text-secondary);
}

.tc-leg::before {
  content: '';
  display: inline-block;
  width: 14px;
  height: 0;
  border-top: 2px solid currentColor;
  margin-right: 4px;
  vertical-align: middle;
}

.tc-leg-ideal { color: var(--text-muted); }
.tc-leg-ideal::before { border-top-style: dashed; }
.tc-leg-expo { color: var(--accent); }
.tc-leg-hover { color: var(--success); }
.tc-leg-hover::before { border-top-style: dotted; }

.tc-curve-note {
  margin-top: 6px;
  font-size: 11px;
  line-height: 1.5;
  color: var(--text-muted);
}

/* AI 建议面板 */
.tc-ai {
  margin-top: 12px;
}

.tc-ai-head {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.tc-ai-status {
  font-size: 12px;
  font-weight: 400;
  color: var(--text-secondary);
}

.tc-ai textarea {
  display: block;
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 12.5px;
  line-height: 1.6;
  padding: 8px 10px;
  resize: vertical;
  margin-bottom: 6px;
}

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