/* styles-refresh.css — 企业工程风格覆盖
 * 中性灰 + 单一强调色，扁平化、无渐变、无毛玻璃
 */

:root {
  --rf-bg: #f5f6f8;
  --rf-surface: #ffffff;
  --rf-border: #d9dde3;
  --rf-border-strong: #c2c8d0;
  --rf-text: #1f2937;
  --rf-text-muted: #5b6573;
  --rf-accent: #1f6feb;
  --rf-accent-hover: #1858c4;
  --rf-danger: #b42318;
  --rf-danger-hover: #8f1a12;
  --rf-radius: 4px;
  --rf-shadow: 0 1px 2px rgba(17, 24, 39, 0.06);
  --rf-success: #16a34a;
  --rf-warn: #d97706;
  --rf-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --rf-focus-ring: 0 0 0 2px rgba(31, 111, 235, 0.35);
  --rf-grid-dot: #e5e7eb;
  --rf-canvas-bg: #fafbfc;
}

@media (prefers-color-scheme: dark) {
  :root {
    --rf-bg: #0f1115;
    --rf-surface: #161a22;
    --rf-border: #262c38;
    --rf-border-strong: #323a4a;
    --rf-text: #e5e7eb;
    --rf-text-muted: #8b95a7;
    --rf-accent: #3b82f6;
    --rf-accent-hover: #2563eb;
    --rf-danger: #f87171;
    --rf-danger-hover: #ef4444;
    --rf-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    --rf-grid-dot: #1f2633;
    --rf-canvas-bg: #0b0d12;
  }
}

html, body {
  font-size: 13px !important;
  line-height: 1.45 !important;
}

:focus-visible {
  outline: none !important;
  box-shadow: var(--rf-focus-ring) !important;
  border-radius: var(--rf-radius);
}

html, body {
  background: var(--rf-bg) !important;
  color: var(--rf-text) !important;
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "IBM Plex Sans", sans-serif !important;
}

body::before,
body::after {
  content: none !important;
  background: none !important;
}

.app-shell {
  background: var(--rf-bg) !important;
  padding: 0 !important;
  gap: 0 !important;
  min-height: 100vh;
}

/* ========== 顶栏 ========== */
.app-header,
.site-top-nav { display: none !important; }

.app-bar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 20px;
  height: 48px;
  background: var(--rf-surface);
  border-bottom: 1px solid var(--rf-border);
  box-shadow: var(--rf-shadow);
  position: sticky;
  top: 0;
  z-index: 50;
}
.app-bar__brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-shrink: 0;
}
.app-bar__brand strong {
  font-size: 15px;
  font-weight: 600;
  color: var(--rf-text);
  letter-spacing: 0.2px;
}
.app-bar__tag {
  font-size: 11px;
  padding: 1px 6px;
  color: var(--rf-text-muted);
  background: var(--rf-bg);
  border: 1px solid var(--rf-border);
  border-radius: 3px;
}
.app-bar__nav {
  display: flex;
  gap: 2px;
  flex: 1;
}
.app-bar__nav a {
  padding: 6px 12px;
  font-size: 13px;
  color: var(--rf-text-muted);
  text-decoration: none;
  border-radius: var(--rf-radius);
  transition: background 0.12s, color 0.12s;
}
.app-bar__nav a:hover { background: var(--rf-bg); color: var(--rf-text); }
.app-bar__nav a.active {
  color: var(--rf-accent);
  background: rgba(31, 111, 235, 0.08);
  font-weight: 500;
}
.app-bar__actions {
  display: flex;
  gap: 6px;
  align-items: center;
}

/* ========== 按钮 ========== */
.app-bar__actions button,
.canvas-toolbar button,
.panel button,
.section-body button,
button.file-btn,
.file-btn {
  background: var(--rf-surface) !important;
  color: var(--rf-text) !important;
  border: 1px solid var(--rf-border) !important;
  border-radius: var(--rf-radius) !important;
  padding: 5px 10px !important;
  font-size: 12px !important;
  font-weight: 500 !important;
  cursor: pointer;
  box-shadow: none !important;
  transition: background 0.12s, border-color 0.12s;
}
.app-bar__actions button:hover,
.canvas-toolbar button:hover,
.panel button:hover,
.section-body button:hover,
.file-btn:hover {
  background: var(--rf-bg) !important;
  border-color: var(--rf-border-strong) !important;
}
.app-bar__actions button.ghost {
  background: transparent !important;
  border-color: transparent !important;
  color: var(--rf-text-muted) !important;
}
.app-bar__actions button.ghost:hover {
  background: var(--rf-bg) !important;
  color: var(--rf-text) !important;
}
#copyCanvasBtn, #downloadCanvasBtn {
  background: var(--rf-accent) !important;
  color: #fff !important;
  border-color: var(--rf-accent) !important;
}
#copyCanvasBtn:hover, #downloadCanvasBtn:hover {
  background: var(--rf-accent-hover) !important;
  border-color: var(--rf-accent-hover) !important;
}
button.danger, .app-bar__actions button.danger {
  color: var(--rf-danger) !important;
  border-color: var(--rf-border) !important;
}
button.danger:hover {
  background: #fff1f0 !important;
  border-color: var(--rf-danger) !important;
}

/* ========== 主布局 ========== */
.content-grid {
  padding: 10px !important;
  gap: 10px !important;
  background: var(--rf-bg) !important;
  grid-template-columns: minmax(248px, 272px) 1fr !important;
}
.content-grid.panel-collapsed {
  grid-template-columns: 52px 1fr !important;
}

/* ========== ROI 列表 ========== */
.roi-list { display: flex; flex-direction: column; gap: 4px; }
.roi-item {
  padding: 6px 8px;
  border: 1px solid var(--rf-border);
  border-radius: var(--rf-radius);
  background: var(--rf-surface);
  font-size: 12px;
}
.roi-item.selected {
  border-color: var(--rf-accent);
  background: rgba(31, 111, 235, 0.06);
}

/* ========== 侧栏 ========== */
.panel {
  background: var(--rf-surface) !important;
  border: 1px solid var(--rf-border) !important;
  border-radius: 6px !important;
  backdrop-filter: none !important;
  box-shadow: var(--rf-shadow) !important;
  padding: 6px !important;
}
.panel section {
  background: transparent !important;
  border: none !important;
  border-bottom: 1px solid var(--rf-border) !important;
  border-radius: 0 !important;
  padding: 0 !important;
  margin: 0 !important;
}
.panel section:last-child { border-bottom: none !important; }
.section-toggle {
  width: 100%;
  display: flex !important;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px !important;
  background: transparent !important;
  border: none !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  color: var(--rf-text) !important;
  cursor: pointer;
}
.section-toggle:hover { background: var(--rf-bg) !important; }
.section-toggle .chevron {
  color: var(--rf-text-muted);
  font-size: 10px;
  transition: transform 0.15s;
}
.section-toggle[aria-expanded="true"] .chevron { transform: rotate(180deg); }
.section-body {
  padding: 4px 12px 12px !important;
}
.field-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin-bottom: 6px;
  font-size: 12px;
}
.field-row label { color: var(--rf-text-muted); font-size: 12px; }
.panel input[type="text"],
.panel input[type="number"],
.panel select,
.section-body input[type="text"],
.section-body input[type="number"],
.section-body select {
  background: var(--rf-surface) !important;
  border: 1px solid var(--rf-border) !important;
  border-radius: var(--rf-radius) !important;
  padding: 4px 8px !important;
  color: var(--rf-text) !important;
  font-size: 12px !important;
}
.panel input:focus, .panel select:focus {
  outline: none !important;
  border-color: var(--rf-accent) !important;
  box-shadow: 0 0 0 2px rgba(31, 111, 235, 0.15) !important;
}
.subtle { color: var(--rf-text-muted) !important; font-size: 11px !important; }

/* ========== 画布工具栏 ========== */
.canvas-wrap {
  background: var(--rf-surface) !important;
  border: 1px solid var(--rf-border) !important;
  border-radius: 6px !important;
  box-shadow: var(--rf-shadow) !important;
  overflow: hidden;
}
.canvas-toolbar {
  display: flex !important;
  flex-wrap: nowrap !important;
  overflow-x: auto;
  align-items: center;
  gap: 10px !important;
  padding: 6px 10px !important;
  white-space: nowrap;
  background: var(--rf-surface) !important;
  border-bottom: 1px solid var(--rf-border) !important;
  backdrop-filter: none !important;
  font-size: 12px !important;
}
.canvas-toolbar::before,
.canvas-toolbar::after { content: none !important; }
.toolbar-group {
  display: flex;
  align-items: center;
  gap: 4px;
  padding-right: 10px;
  border-right: 1px solid var(--rf-border);
  flex-shrink: 0;
}
.toolbar-group:last-child { border-right: none; padding-right: 0; }
.canvas-toolbar input[type="range"] { width: 72px !important; }
.toolbar-group label {
  color: var(--rf-text-muted);
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.canvas-toolbar #modeLabel,
.canvas-toolbar #mousePos,
.canvas-toolbar #statusText,
.canvas-toolbar #zoomLabel,
.canvas-toolbar #iconScaleValue {
  color: var(--rf-text-muted);
  font-variant-numeric: tabular-nums;
}
.canvas-toolbar button {
  padding: 4px 8px !important;
  min-width: 28px;
}
.canvas-toolbar input[type="range"] { width: 90px; }
.canvas-toolbar input[type="color"] {
  width: 28px;
  height: 22px;
  padding: 0 !important;
  border: 1px solid var(--rf-border) !important;
  border-radius: 3px !important;
  background: none !important;
}
.canvas-toolbar input[type="number"] {
  width: 52px;
  padding: 3px 6px !important;
  border: 1px solid var(--rf-border) !important;
  border-radius: var(--rf-radius) !important;
  font-size: 12px !important;
}

.canvas-viewport {
  background-color: var(--rf-canvas-bg) !important;
  background-image: radial-gradient(circle, var(--rf-grid-dot) 1px, transparent 1px) !important;
  background-size: 16px 16px !important;
}

/* ========== 等宽数字 / HUD 仪表观感 ========== */
#mousePos, #modeLabel, #statusText, #zoomLabel, #iconScaleValue,
#scaleDisplay, #cameraCoordInput, #cameraYawInput, #cameraTiltInput,
.metrics-panel, .canvas-toolbar input[type="number"], .panel input[type="number"] {
  font-family: var(--rf-mono) !important;
  font-variant-numeric: tabular-nums !important;
}
.canvas-toolbar #mousePos,
.canvas-toolbar #modeLabel,
.canvas-toolbar #zoomLabel {
  padding: 2px 6px;
  background: var(--rf-bg);
  border: 1px solid var(--rf-border);
  border-radius: 3px;
  font-size: 11px !important;
}

/* ========== 语义色一致化 ========== */
.metric-good, .text-success { color: var(--rf-success) !important; }
.metric-warn, .text-warn { color: var(--rf-warn) !important; }
.metric-bad, .text-danger { color: var(--rf-danger) !important; }

/* ========== 模态框 ========== */
.contact-modal__backdrop {
  background: rgba(15, 23, 42, 0.45) !important;
  backdrop-filter: none !important;
}
.contact-modal__dialog {
  background: var(--rf-surface) !important;
  border: 1px solid var(--rf-border) !important;
  border-radius: 8px !important;
  box-shadow: 0 10px 30px rgba(17, 24, 39, 0.15) !important;
  backdrop-filter: none !important;
}

/* ========== 指标面板 ========== */
.metrics-panel {
  background: var(--rf-bg) !important;
  border: 1px solid var(--rf-border) !important;
  border-radius: var(--rf-radius) !important;
  padding: 8px !important;
  font-size: 12px;
}