:root {
  --wb-bg: #f3f5f1;
  --wb-surface: #ffffff;
  --wb-border: #d9e0da;
  --wb-text: #202b25;
  --wb-muted: #66716b;
  --wb-green: #176b50;
  --wb-green-soft: #eaf3ed;
  --wb-sidebar: #1e2923;
  --wb-space-1: 8px;
  --wb-space-2: 16px;
  --wb-space-3: 24px;
  --wb-panel-padding: 18px;
  --wb-shadow: 0 9px 25px rgba(20, 43, 30, 0.06);
  color: #1b2620;
  background: var(--wb-bg);
  font-family: "Microsoft YaHei UI", "Segoe UI", Arial, sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
body { min-width: 320px; margin: 0; background: var(--wb-bg); }

/* Application shell */
.application-frame { min-height: 100vh; }
.application-sider { position: sticky !important; top: 0; height: 100vh; background: var(--wb-sidebar) !important; border-right: 1px solid #152019; }
.content-layout { min-width: 0; background: var(--wb-bg) !important; }
.brand { display: flex; align-items: center; gap: 10px; height: 82px; padding: 18px 20px; color: #f4f9f5; cursor: pointer; }
.brand-mark { display: grid; width: 34px; height: 34px; place-items: center; background: #dcf0e4; color: #195d43; font-size: 12px; font-weight: 800; }
.brand strong, .brand small, .sider-status strong, .sider-status small { display: block; }
.brand strong { font-size: 14px; letter-spacing: 0; }
.brand small { color: #aac0b0; font-size: 11px; }
.navigation-menu { height: calc(100vh - 150px); overflow-y: auto; background: var(--wb-sidebar) !important; border-inline-end: 0 !important; }
.navigation-menu .ant-menu-item-group-title { color: #9eb2a4 !important; font-size: 11px; font-weight: 700; letter-spacing: 0; }
.navigation-menu .ant-menu-item { width: 100% !important; margin-inline: 0 !important; border-radius: 0 !important; }
.navigation-menu .ant-menu-item-selected { background: #31443a !important; }
.navigation-menu .ant-menu-item::after { border-inline-end-color: #79c99e !important; }
.sider-status { position: absolute; right: 18px; bottom: 18px; left: 18px; display: flex; gap: 9px; padding-top: 14px; color: #dce8e0; border-top: 1px solid #42534a; }
.sider-status .anticon { margin-top: 4px; color: #79c99e; }
.sider-status strong { font-size: 12px; }
.sider-status small { color: #a9bcb0; font-size: 11px; }

/* Page primitives */
.view-container { width: 100%; max-width: 1680px; margin: 0 auto; padding: 28px 32px 48px; }
.page-header { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--wb-space-3); margin-bottom: 22px; }
.eyebrow { margin: 0 0 6px; color: var(--wb-green); font-size: 12px; font-weight: 700; letter-spacing: 0; }
.page-header h1 { margin: 0 0 var(--wb-space-1); color: #19231e; font-size: 27px; line-height: 1.2; letter-spacing: 0; }
.page-description { max-width: 800px; margin: 0; color: var(--wb-muted); }
.local-tag { margin: 2px 0 0 !important; border-radius: 3px !important; }
.loading-block { display: flex; align-items: center; justify-content: center; gap: 9px; min-height: 150px; color: var(--wb-muted); }
.view-section { margin-top: 26px; }
.section-heading { display: flex; justify-content: space-between; gap: var(--wb-space-2); margin-bottom: 12px; }
.section-heading h2, .surface-section h2 { margin: 0 0 4px; color: var(--wb-text); font-size: 17px; letter-spacing: 0; }
.section-heading p, .surface-section p { margin: 0; color: var(--wb-muted); font-size: 12px; }

/* Shared cards and overview */
.surface-section { padding: var(--wb-panel-padding); background: var(--wb-surface); border: 1px solid var(--wb-border); box-shadow: var(--wb-shadow); }
.metric-row { margin-bottom: var(--wb-space-3); }
.metric-row .ant-statistic { min-height: 96px; padding: 15px 16px; background: var(--wb-surface); border: 1px solid var(--wb-border); box-shadow: var(--wb-shadow); }
.metric-row .ant-statistic-title { margin-bottom: var(--wb-space-1); font-size: 12px; }
.metric-row .ant-statistic-content { color: #1c392b; font-size: 26px; }
.capability-card, .planned-card { border-color: var(--wb-border) !important; border-radius: 4px !important; }
.capability-card { overflow: hidden; box-shadow: var(--wb-shadow) !important; }
.card-media { display: block; width: 100%; height: 260px; object-fit: cover; background: #e0e6e1; }
.card-copy { padding: 18px; }
.card-topline { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.card-topline h3 { margin: 0 0 6px; color: var(--wb-text); font-size: 16px; letter-spacing: 0; }
.card-topline p, .planned-card p { color: var(--wb-muted); }
.card-copy .ant-space { display: flex; min-height: 40px; margin-top: 14px; align-content: flex-start; }
.card-copy .ant-btn { margin-top: var(--wb-space-1); }
.planned-card { height: 100%; }
.planned-card p { min-height: 38px; margin: 7px 0 var(--wb-space-1); font-size: 12px; }

/* Shared workbench controls */
.workspace-command { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin: 0 0 var(--wb-space-2); padding: 14px 17px; background: var(--wb-green-soft); border: 1px solid #c9ddcf; }
.workspace-command h2 { margin: 0 0 4px; font-size: 16px; }
.workspace-command p { margin: 0; color: var(--wb-muted); font-size: 12px; }
.run-form, .semantic-run-form { display: grid; gap: 13px; margin-bottom: var(--wb-space-3); }
.run-form .ant-alert { margin: 0; }
.upload-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.upload-grid label { display: block; margin-bottom: 7px; color: var(--wb-muted); font-size: 12px; }
.section-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 32px; margin-bottom: 10px; }
.section-toolbar .ant-select { width: min(65%, 540px); }
.toolbar-note { color: var(--wb-muted); font-size: 12px; text-align: right; }
.run-library { display: flex; flex: 1 1 auto; flex-direction: column; min-height: 0; overflow: hidden; }
.run-library h2 { margin-bottom: 12px; }
.run-library .ant-input-search { margin-bottom: var(--wb-space-1); }
.run-library .ant-list { flex: 1 1 auto; min-height: 0; overflow-y: auto; }
.run-library .ant-list-item { min-height: 34px; }
.run-item { display: block !important; padding: 7px 9px !important; color: #425148; cursor: pointer; border: 0 !important; }
.run-item.active { color: var(--wb-green); background: #e6f2ea; font-weight: 700; }

/* Workspace row layout */
.workspace-top-row, .semantic-workspace, .detection-workspace > .ant-row { align-items: stretch; margin-bottom: var(--wb-space-3); }
.workspace-top-row > .ant-col, .semantic-workspace > .ant-col, .detection-workspace > .ant-row > .ant-col, .trajectory-workspace .result-row > .ant-col { display: flex; }
.workspace-top-row > .ant-col > .surface-section, .semantic-workspace > .ant-col > .surface-section, .detection-workspace > .ant-row > .ant-col > .surface-section, .trajectory-workspace .result-row > .ant-col > .surface-section { width: 100%; margin-bottom: 0; }
.trajectory-workspace .result-row { align-items: stretch; margin-bottom: var(--wb-space-3); }
.trajectory-workspace .result-row > .ant-col > .surface-section { flex: 1 1 auto; }
.trajectory-workspace .result-files { display: flex; align-items: center; min-height: 54px; margin: 0; padding: 10px 14px; }
.result-files .ant-space { row-gap: var(--wb-space-1) !important; column-gap: var(--wb-space-1) !important; }
.result-files .ant-btn { height: 31px; padding-inline: 10px; font-size: 12px; }
.result-band { margin-bottom: var(--wb-space-3); }
.result-band.ant-row { align-items: stretch; }
.result-band.ant-row > .ant-col { display: flex; }
.result-band.ant-row > .ant-col > .surface-section { width: 100%; margin-bottom: 0; }

/* Object detection workspace */
.comparison-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.comparison-grid figure { min-width: 0; margin: 0; }
.comparison-grid figcaption { margin-bottom: 7px; padding: 0 2px; color: #425148; font-size: 12px; font-weight: 700; }
.detection-image { display: block; width: 100%; min-height: 280px; overflow: hidden; background: #232e28; text-align: center; }
.detection-image .ant-image-img { width: 100%; object-fit: contain; }
.comparison-grid .detection-image, .comparison-grid .detection-image .ant-image-img { height: 400px; }
.image-caption { padding-top: 9px; }
.detection-workspace > .ant-row + .ant-row > .ant-col > .surface-section { flex: 1 1 auto; }

/* Trajectory workspace and map */
.map-panel { display: flex; flex-direction: column; }
.trajectory-map { position: relative; height: 500px; overflow: hidden; background: #1b2620; }
.cesium-host { width: 100%; height: 100%; }
.map-error { position: absolute; right: 14px; bottom: 14px; left: 14px; }
.map-legend { position: absolute; bottom: 14px; left: 14px; display: flex; flex-wrap: wrap; gap: 10px; max-width: calc(100% - 28px); padding: 7px 9px; color: #f8fbf9; background: rgba(20, 32, 25, 0.82); border: 1px solid rgba(224, 239, 229, 0.45); font-size: 12px; }
.map-legend span { display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; }
.map-legend i { display: inline-block; width: 12px; height: 12px; border: 1px solid rgba(255, 255, 255, 0.85); }
.legend-track { background: #176b50; }
.legend-route { background: #444444; }
.legend-restricted { background: #e5c951; }
.legend-flyable { background: #36a269; }
.map-tools { position: absolute; top: 12px; left: 12px; display: flex; gap: 6px; }
.map-tools .ant-btn { border-color: #b8c9bd; color: #1f4834; }
.cesium-viewer-bottom { display: none !important; }
.cesium-viewer-toolbar { top: 10px; right: 10px; }

/* Shared result content */
.surface-section .ant-descriptions { font-size: 12px; }
.surface-section .ant-descriptions-item-label { color: var(--wb-muted); }
.surface-section h3 { margin: 0 0 var(--wb-space-1); font-size: 14px; }
.surface-section .ant-divider { margin: var(--wb-space-2) 0; }
.surface-section .ant-table-wrapper { margin-top: var(--wb-space-1); }
.surface-section .ant-table-thead > tr > th { padding: 9px 10px; font-size: 12px; }
.surface-section .ant-table-tbody > tr > td { padding: var(--wb-space-1) 10px; font-size: 12px; }
.surface-section .ant-timeline { margin-top: 12px; }
.surface-section .ant-timeline-item { padding-bottom: 17px; }
.ant-empty { margin: 70px 0; }
.ant-empty-description p { color: var(--wb-muted); }

/* Responsive layout */
@media (max-width: 1199px) {
  .view-container { padding-inline: 26px; }
  .workspace-top-row > .ant-col, .semantic-workspace > .ant-col, .detection-workspace > .ant-row > .ant-col, .trajectory-workspace .result-row > .ant-col { display: block; }
  .run-library { min-height: 0; overflow: visible; }
  .run-library .ant-list { overflow: visible; }
  .trajectory-map { height: 440px; }
  .upload-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 991px) {
  .application-sider { position: static !important; height: auto; }
  .application-sider .ant-layout-sider-zero-width-trigger { position: fixed; right: 0; left: auto; }
  .navigation-menu { height: auto; max-height: 290px; }
  .sider-status { display: none; }
}

@media (max-width: 640px) {
  .view-container { padding: 20px 14px 34px; }
  .page-header, .section-toolbar, .workspace-command { align-items: stretch; flex-direction: column; }
  .page-header h1 { font-size: 24px; }
  .local-tag { align-self: flex-start; }
  .section-toolbar .ant-select { width: 100%; }
  .toolbar-note { text-align: left; }
  .surface-section { padding: 14px; }
  .trajectory-map { height: 380px; }
  .card-media { height: 205px; }
  .upload-grid, .comparison-grid { grid-template-columns: 1fr; }
  .comparison-grid .detection-image, .comparison-grid .detection-image .ant-image-img { height: 300px; }
  .trajectory-workspace .result-files { align-items: flex-start; }
}