:root {
  font-family: "Segoe UI Variable", "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  color: #17251f;
  background: #e9efeb;
  --topbar-height: 68px;
  --left-rail: clamp(252px, 14vw, 288px);
  --right-rail: clamp(372px, 20vw, 420px);
  --calculation-rail: 620px;
  --green: #167451;
  --green-dark: #0d5b3e;
  --green-soft: #e5f1eb;
  --ink: #17251f;
  --ink-soft: #3f5048;
  --border: #cfd9d3;
  --muted: #66756d;
  --panel: #fff;
  --panel-soft: #f5f8f6;
  --canvas: #f8faf9;
  --danger: #ad3f3f;
  --motion-fast: 120ms;
  --motion-medium: 280ms;
  --motion-guide: 320ms;
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

* { box-sizing: border-box; }
html, body { width: 100%; height: 100%; margin: 0; overflow: hidden; }
body { color: var(--ink); background: #e9efeb; font-size: 13px; font-variant-numeric: tabular-nums; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button, .button-label, input, select { transition: color var(--motion-fast) ease, background-color var(--motion-fast) ease, border-color var(--motion-fast) ease, box-shadow var(--motion-fast) ease, opacity var(--motion-fast) ease, transform var(--motion-fast) var(--ease-out); }
button:active:not(:disabled), .button-label:active { transform: translateY(1px); }
input[type="checkbox"], input[type="radio"] { accent-color: var(--green); }
::selection { color: #fff; background: var(--green); }
* { scrollbar-color: #aebdb5 transparent; scrollbar-width: thin; }
*::-webkit-scrollbar { width: 9px; height: 9px; }
*::-webkit-scrollbar-thumb { background: #b8c5be; border: 2px solid transparent; border-radius: 8px; background-clip: padding-box; }
*::-webkit-scrollbar-thumb:hover { background-color: #94a69d; }
.hidden { display: none !important; }
.drawer-heading, .touch-help { display: none; }
.canvas-toolbar { overflow-x: auto; }
.canvas-toolbar > * { flex-shrink: 0; }
.canvas-toolbar button[aria-pressed="true"], .palette-item.active { color: var(--green-dark); background: var(--green-soft); border-color: var(--green); }
#diagramCanvas.placing { cursor: crosshair; }
.port-touch-hit, .route-touch-hit, .width-touch-hit { pointer-events: all; }

.topbar {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 20px;
  color: #f4f8f5;
  background: #182620;
  border-bottom: 1px solid #26372f;
  box-shadow: 0 5px 18px rgba(27, 47, 38, .14);
}

.brand, .toolbar { display: flex; align-items: center; }
.brand { min-width: max-content; gap: 12px; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.16); border-radius: 10px; color: #fff; background: var(--green); box-shadow: inset 0 1px 0 rgba(255,255,255,.18); font: 22px SimSun, serif; }
.brand h1 { margin: 0 0 3px; color: #fff; font-size: 16px; font-weight: 650; letter-spacing: .01em; }
.brand span:last-child { color: #aebdb5; font-size: 10px; }
.toolbar { min-width: 0; justify-content: flex-end; gap: 6px; }
.toolbar button, .button-label, .canvas-toolbar button, #resetRouteBtn {
  min-height: 34px;
  padding: 0 12px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.toolbar button, .toolbar .button-label { color: #e9f0ec; background: rgba(255,255,255,.055); border-color: rgba(255,255,255,.16); }
.toolbar button:hover, .toolbar .button-label:hover { color: #fff; background: rgba(255,255,255,.11); border-color: rgba(255,255,255,.28); }
.canvas-toolbar button:hover, #resetRouteBtn:hover { background: var(--green-soft); border-color: #94bba8; }
.toolbar button.primary { color: #fff; background: var(--green); border-color: #2d8a67; }
.toolbar button.primary:hover { background: var(--green-dark); border-color: #2a765c; }
.toolbar button.active { color: #fff; background: var(--green); border-color: var(--green); }
.toolbar button:disabled { color: #718078; background: transparent; border-color: rgba(255,255,255,.08); cursor: default; opacity: 1; }
.divider { width: 1px; height: 22px; margin: 0 4px; background: rgba(255,255,255,.17); }
.button-label { display: grid; place-items: center; font-size: 13px; cursor: pointer; }
.button-label input { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); border: 0; white-space: nowrap; }
.button-label:focus-within { outline: 2px solid #69b993; outline-offset: 2px; }
.narrow-panel-toggle { display: none; }

.onboarding-guide { --guide-x: 16px; --guide-y: 84px; --guide-arrow-x: 24px; --guide-arrow-y: 24px; position: fixed; z-index: 60; top: 0; left: 0; width: min(380px, calc(100vw - 16px)); max-height: calc(100vh - 16px); padding: 16px 18px 17px; overflow: visible; color: var(--ink); background: #fff; border: 1px solid #98b9aa; border-radius: 12px; box-shadow: 0 18px 44px rgba(18, 42, 31, .24); transform: translate3d(var(--guide-x), var(--guide-y), 0); transition: transform var(--motion-guide) var(--ease-out), opacity var(--motion-fast) ease, box-shadow var(--motion-medium) ease; will-change: transform; }
.onboarding-guide::before { content: ""; position: absolute; z-index: -1; width: 12px; height: 12px; background: #fff; transform: rotate(45deg); }
.onboarding-guide.guide-performing::before { display: none; }
.onboarding-guide[data-placement="right"]::before { top: var(--guide-arrow-y); left: -7px; border-bottom: 1px solid #98b9aa; border-left: 1px solid #98b9aa; }
.onboarding-guide[data-placement="left"]::before { top: var(--guide-arrow-y); right: -7px; border-top: 1px solid #98b9aa; border-right: 1px solid #98b9aa; }
.onboarding-guide[data-placement="bottom"]::before { top: -7px; left: var(--guide-arrow-x); border-top: 1px solid #98b9aa; border-left: 1px solid #98b9aa; }
.onboarding-guide[data-placement="top"]::before { bottom: -7px; left: var(--guide-arrow-x); border-right: 1px solid #98b9aa; border-bottom: 1px solid #98b9aa; }
.onboarding-guide.guide-opening { animation: guide-arrive var(--motion-guide) var(--ease-out); }
.onboarding-guide.guide-placing { opacity: 0; transition: none; }
.onboarding-guide.guide-closing, .guide-spotlight.guide-closing { opacity: 0; }
.onboarding-guide.guide-changing [aria-live] { opacity: .18; transform: translateY(4px); }
.onboarding-guide [aria-live] { transition: opacity var(--motion-fast) ease, transform var(--motion-fast) var(--ease-out); }
.onboarding-guide header { display: flex; align-items: center; gap: 7px; }
.onboarding-guide header { justify-content: space-between; }
#guideProgress { color: var(--green-dark); font-size: 10px; font-weight: 700; letter-spacing: .04em; }
.onboarding-guide h2 { margin: 10px 0 5px; font-size: 17px; font-weight: 680; }
.onboarding-guide p { min-height: 38px; margin: 0; color: var(--muted); font-size: 11px; line-height: 1.65; }
.guide-demo-cursor { position: fixed; z-index: 58; top: 0; left: 0; width: 24px; height: 32px; pointer-events: none; transform: translate3d(var(--cursor-x, -40px), var(--cursor-y, -40px), 0); filter: drop-shadow(0 3px 3px rgba(18, 42, 31, .24)); will-change: transform; }
.guide-demo-cursor svg { width: 100%; height: 100%; overflow: visible; }
.guide-demo-cursor path { fill: #fff; stroke: var(--green-dark); stroke-width: 1.5; stroke-linejoin: round; }
.guide-demo-cursor::after { content: ""; position: absolute; left: -9px; top: -9px; width: 22px; height: 22px; border: 2px solid var(--green); border-radius: 50%; opacity: 0; transition: opacity 120ms; }
.guide-demo-cursor.pressed::after { opacity: 1; background: #16745124; }
.guide-target { scroll-margin: calc(var(--topbar-height) + 20px) 20px 220px; }
.guide-spotlight { position: fixed; z-index: 55; top: 0; left: 0; width: var(--spotlight-width, 0); height: var(--spotlight-height, 0); pointer-events: none; border: 3px solid var(--green); border-radius: 10px; box-shadow: 0 6px 18px rgba(15, 91, 62, .18); transform: translate3d(var(--spotlight-x, 0), var(--spotlight-y, 0), 0); transition: width var(--motion-guide) var(--ease-out), height var(--motion-guide) var(--ease-out), transform var(--motion-guide) var(--ease-out), opacity var(--motion-fast) ease; will-change: width, height, transform; }

.workspace { height: calc(100% - var(--topbar-height)); display: grid; grid-template-columns: var(--left-rail) minmax(520px, 1fr) var(--right-rail); gap: 12px; padding: 12px; transition: grid-template-columns var(--motion-medium) var(--ease-out); }
.sidebar, .canvas-panel { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.canvas-panel { box-shadow: 0 8px 24px rgba(35, 58, 47, .08); }
.sidebar { padding: 18px; overflow-y: auto; }
.sidebar section + section { margin-top: 26px; }
.eyebrow { margin: 0 0 10px; color: var(--ink); font-size: 14px; font-weight: 650; letter-spacing: 0; }
.section-heading { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 10px; }
.section-heading h2 { margin: 0; font-size: 14px; font-weight: 650; }
.section-heading small { color: var(--muted); font-size: 10px; }

.template-list { display: grid; gap: 8px; }
.template-button { min-height: 56px; padding: 10px 12px; text-align: left; background: var(--green-soft); border: 1px solid #9fc6b3; border-radius: 9px; transition: color var(--motion-fast) ease, background-color var(--motion-fast) ease, border-color var(--motion-fast) ease, transform var(--motion-fast) var(--ease-out); }
.template-button.subtle { background: #fff; border-color: var(--border); }
.template-button:hover { background: #edf6f1; border-color: var(--green); }
.template-button strong, .template-button span { display: block; }
.template-button strong { margin-bottom: 3px; font-size: 12px; font-weight: 650; }
.template-button span { color: var(--muted); font-size: 10px; line-height: 1.45; }

.palette-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.annotation-list { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.palette-item { min-width: 0; height: 72px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; color: var(--ink-soft); background: #fff; border: 1px solid var(--border); border-radius: 9px; }
.palette-item:hover { color: var(--green-dark); background: var(--green-soft); border-color: #90b9a5; }
.palette-item span { font-size: 11px; }
.palette-item.wide { height: 54px; flex-direction: row; }
.palette-preview { width: 38px; height: 30px; pointer-events: none; transition: transform var(--motion-fast) var(--ease-out); }
.palette-item span { pointer-events: none; }
.port-handle { cursor: crosshair; }
.node-hit { pointer-events: all; }
.project-settings { margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--border); }
.project-settings h2 { margin: 0 0 14px; font-size: 14px; font-weight: 650; }
.project-settings label { display: grid; gap: 6px; margin-bottom: 13px; color: var(--ink-soft); font-size: 11px; }
.project-settings input:not([type=checkbox]), .project-settings select { width: 100%; height: 36px; padding: 0 10px; color: var(--ink); background: #fff; border: 1px solid var(--border); border-radius: 8px; font: inherit; }
.project-settings small { color: var(--muted); font-size: 10px; line-height: 1.65; }
#duplicateBtn, dialog button { padding: 8px 12px; color: var(--ink); background: white; border: 1px solid var(--border); border-radius: 8px; }
dialog { width: min(580px, 90vw); max-height: 85vh; padding: 24px; color: var(--ink); background: #fff; border: 1px solid var(--border); border-radius: 14px; box-shadow: 0 24px 80px rgba(20, 42, 32, .28); }
dialog[open] { animation: dialog-unfold var(--motion-medium) var(--ease-out); }
dialog[open] > form { animation: dialog-content-arrive var(--motion-medium) var(--ease-out); }
dialog.closing { animation: dialog-leave 160ms ease-in forwards; }
dialog.closing > form { animation: dialog-content-leave 160ms ease-in forwards; }
.process-builder-dialog { width: min(820px, 94vw); }
dialog::backdrop { background: rgba(16, 35, 28, .56); }
dialog h2 { margin: 0 0 8px; font-size: 20px; font-weight: 680; letter-spacing: -.015em; }
dialog p { margin: 0 0 18px; color: var(--muted); font-size: 12px; line-height: 1.6; }
.builder-project-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.builder-project-fields label, .builder-card-fields label { display: grid; gap: 5px; color: var(--ink-soft); font-size: 10px; }
.builder-project-fields input, .builder-card-fields input, .builder-card-fields select { width: 100%; min-width: 0; height: 34px; padding: 0 9px; background: white; border: 1px solid var(--border); border-radius: 7px; font: inherit; font-size: 11px; }
.builder-section { margin-top: 18px; }
.builder-section-title { display: flex; align-items: center; justify-content: space-between; margin-bottom: 7px; }
.builder-section-title h3 { margin: 0 0 3px; font-size: 14px; font-weight: 650; }.builder-section-title span { color: var(--muted); font-size: 10px; }
.builder-section-title button { padding: 6px 10px; color: var(--green-dark); background: var(--green-soft); border: 1px solid #9fc6b3; border-radius: 7px; font-size: 10px; }
.builder-card-list { display: grid; gap: 7px; }
.builder-card { overflow: hidden; border: 1px solid var(--border); border-radius: 9px; }
.builder-card-header { display: flex; align-items: center; justify-content: space-between; padding: 7px 10px; background: var(--panel-soft); }
.builder-card-title { font-size: 10px; }.builder-card-actions { display: flex; gap: 3px; }
.builder-card-actions button { width: 25px; height: 24px; padding: 0; color: #53605a; background: white; border: 1px solid var(--border); border-radius: 4px; }
.builder-card-fields { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; align-items: end; padding: 9px; }
.builder-check { height: 32px; display: flex !important; grid-template-columns: 16px 1fr; align-items: center; gap: 5px !important; }
.builder-check input { width: auto; height: auto; }
.builder-count-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.advanced-builder-dialog[open] { position: fixed; inset: calc(var(--topbar-height) + 12px) 12px 12px calc(var(--left-rail) + 24px); width: auto; max-width: none; height: auto; max-height: none; margin: 0; padding: 18px; overflow: hidden; border-radius: 12px; box-shadow: 0 18px 48px rgba(30, 51, 41, .14); }
.advanced-mode .toolbar, .advanced-mode .palette-panel { pointer-events: none; opacity: .36; }
#advancedBuilderForm { height: 100%; display: flex; flex-direction: column; min-height: 0; }
.advanced-dialog-title { display: grid; grid-template-columns: 1fr 300px; align-items: start; gap: 24px; padding-bottom: 14px; }
.advanced-dialog-heading { display: flex; align-items: center; gap: 10px; }
.advanced-dialog-heading h2 { margin: 0; }
.advanced-dialog-heading button { padding: 5px 9px; color: var(--green-dark); background: var(--green-soft); border-color: #9fc6b3; font-size: 10px; }
.advanced-dialog-title label { display: grid; gap: 6px; color: var(--ink-soft); font-size: 10px; }
.advanced-dialog-title input, .advanced-add select, .advanced-unit-row input, .advanced-unit-row select { width: 100%; min-width: 0; height: 32px; padding: 0 8px; color: var(--ink); background: white; border: 1px solid var(--border); border-radius: 7px; font: inherit; font-size: 10px; }
.advanced-builder-layout { flex: 1; min-height: 0; display: grid; grid-template-columns: minmax(760px, 1.25fr) minmax(420px, 1fr); gap: 14px; }
.advanced-editor-pane { min-height: 0; padding-right: 6px; overflow-y: auto; }
.advanced-tool-panel { margin-bottom: 10px; border: 1px solid var(--border); border-radius: 9px; background: var(--panel-soft); }
.advanced-tool-panel > summary { padding: 10px 12px; color: #294b3c; cursor: pointer; font-size: 11px; font-weight: 650; }
.advanced-tool-panel[open] > summary { border-bottom: 1px solid var(--border); }
.advanced-ai-panel > summary { display: flex; align-items: center; justify-content: space-between; }
#aiPanelStatus { color: var(--muted); font-size: 10px; font-weight: 500; }
#aiPanelStatus.ready { color: var(--green-dark); }
#aiPanelStatus.busy { color: #955f17; }
.advanced-ai-body { display: grid; gap: 10px; padding: 11px; background: #fff; }
.ai-capability-note { margin: 0; padding: 9px 10px; color: #684716; background: #fff8e8; border: 1px solid #ead6aa; border-radius: 8px; font-size: 10px; line-height: 1.55; }
.ai-capability-note strong { color: #4d3512; }
.ai-settings { border: 1px solid var(--border); border-radius: 8px; background: var(--panel-soft); }
.ai-settings > summary { padding: 8px 10px; color: var(--ink-soft); cursor: pointer; font-size: 10px; font-weight: 650; }
.ai-settings[open] > summary { border-bottom: 1px solid var(--border); }
.ai-settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; align-items: end; padding: 10px; }
.ai-settings-grid label, .ai-prompt { display: grid; gap: 5px; color: var(--ink-soft); font-size: 10px; }
.ai-settings-grid .wide { grid-column: 1 / -1; }
.ai-settings-grid input, .ai-settings-grid select, .ai-prompt textarea { width: 100%; min-width: 0; padding: 0 9px; color: var(--ink); background: white; border: 1px solid var(--border); border-radius: 7px; font: inherit; font-size: 11px; }
.ai-settings-grid input, .ai-settings-grid select { height: 33px; }
.ai-settings-grid .builder-check { display: flex !important; height: 33px; flex-direction: row; align-items: center; gap: 6px !important; }
.ai-settings-grid .builder-check input[type="checkbox"] { width: 14px; height: 14px; flex: 0 0 14px; margin: 0; }
.ai-prompt textarea { min-height: 76px; padding-block: 8px; line-height: 1.5; resize: vertical; }
.ai-settings-grid small { color: var(--muted); font-size: 9px; line-height: 1.5; }
.ai-credential-actions, .ai-actions, .ai-image-row { display: flex; align-items: center; gap: 7px; }
.ai-credential-actions { flex-wrap: wrap; }
.ai-model-tools, .ai-provider-links { display: flex; align-items: center; gap: 8px; min-width: 0; }
.ai-model-tools > span { min-width: 0; flex: 1; overflow: hidden; color: var(--muted); font-size: 9px; text-overflow: ellipsis; white-space: nowrap; }
.ai-model-tools > span.success { color: var(--green-dark); }
.ai-model-tools > span.busy { color: #496b5a; }
.ai-model-tools > span.error { color: var(--danger); }
.ai-model-tools .builder-check { flex: 0 0 auto; }
.ai-model-tools button, .ai-provider-links button { flex: 0 0 auto; }
.ai-model-hint { min-height: 14px; color: var(--muted); font-size: 9px; line-height: 1.45; }
.ai-model-hint.warning { color: #8b5918; }
.ai-provider-links { font-size: 9px; }
.ai-provider-links a { color: var(--green-dark); text-underline-offset: 2px; }
.ai-provider-links button { margin-left: auto; }
.ai-image-row { min-height: 38px; }
.ai-image-button { min-height: 32px; flex: 0 0 auto; color: var(--green-dark); background: var(--green-soft); border-color: #9fc6b3; }
#aiImagePreview { width: 72px; height: 54px; object-fit: contain; background: var(--canvas); border: 1px solid var(--border); border-radius: 6px; }
#aiImageInfo { min-width: 0; flex: 1; overflow: hidden; color: var(--muted); font-size: 9px; text-overflow: ellipsis; white-space: nowrap; }
.ai-actions { justify-content: flex-end; flex-wrap: wrap; }
.ai-actions button:disabled, .ai-credential-actions button:disabled { cursor: default; opacity: .5; }
.ai-request-status { min-height: 32px; padding: 8px 10px; color: var(--muted); background: var(--panel-soft); border-radius: 7px; font-size: 10px; line-height: 1.5; }
.ai-request-status.success { color: #205a43; background: #edf7f2; }
.ai-request-status.error { color: #8c352a; background: #fff2ef; }
.ai-request-status.busy { color: #785016; background: #fff8e9; }
.ai-raw-response { border: 1px solid #e3c9c3; border-radius: 7px; background: #fff8f6; }
.ai-raw-response > summary { padding: 8px 10px; color: #8c352a; cursor: pointer; font-size: 10px; }
.ai-raw-response button { margin: 0 10px 6px; }
.ai-raw-response pre { max-height: 180px; margin: 0; padding: 10px; overflow: auto; border-top: 1px solid #ead7d2; font: 10px/1.5 "Cascadia Mono", Consolas, monospace; white-space: pre-wrap; word-break: break-word; }
#advancedQuickHost { max-height: 480px; padding: 0 12px 12px; overflow-y: auto; }
#advancedQuickHost #builderForm { display: block; }
#advancedQuickHost #builderForm > h2, #advancedQuickHost #builderForm > p, #advancedQuickHost #cancelBuilder { display: none; }
#advancedQuickHost .dialog-actions { margin-top: 12px; }
.advanced-insert-grid { display: grid; grid-template-columns: repeat(5, minmax(115px, 1fr)); gap: 8px; align-items: end; padding: 10px; }
.advanced-insert-grid label { display: grid; gap: 4px; color: #53605a; font-size: 10px; }
.advanced-insert-grid input, .advanced-insert-grid select { width: 100%; min-width: 0; height: 30px; padding: 0 6px; border: 1px solid var(--border); border-radius: 5px; background: white; font: inherit; font-size: 10px; }
.advanced-insert-grid button { height: 30px; }
.advanced-add { display: flex; gap: 5px; }.advanced-add select { width: 100px; }
.advanced-row-list { display: grid; gap: 5px; }
.advanced-unit-head { display: grid; grid-template-columns: 48px 86px minmax(230px, 1fr) minmax(260px, 1.25fr) 30px; gap: 6px; padding: 0 8px 5px; color: var(--muted); font-size: 10px; text-align: center; }
.advanced-unit-row { display: grid; grid-template-columns: 48px 86px minmax(230px, 1fr) minmax(260px, 1.25fr) 30px; gap: 6px; align-items: center; padding: 7px; background: #fff; border: 1px solid var(--border); border-radius: 8px; }
.advanced-unit-name { display: grid; grid-template-columns: 100px minmax(0, 1fr); gap: 5px; }
.advanced-unit-id { overflow: hidden; color: var(--muted); font: 10px "Cascadia Mono", Consolas, monospace; text-overflow: ellipsis; }
.advanced-unit-links { display: grid; grid-template-columns: repeat(auto-fit, minmax(105px, 1fr)); gap: 4px; }
.advanced-unit-links label { position: relative; min-width: 0; }
.advanced-unit-links label span { position: absolute; z-index: 1; left: 7px; top: -6px; padding: 0 3px; color: var(--muted); background: white; font-size: 10px; }
.advanced-unit-links select { padding-top: 3px; }
.advanced-output-group { display: grid; gap: 8px; align-content: start; min-width: 0; }
.advanced-output-group .advanced-add-branch { width: auto; min-height: 28px; font-size: 11px; color: var(--muted); }
.advanced-unit-links:empty::after { content: "无出口"; color: var(--muted); font-size: 10px; text-align: center; }
.advanced-unit-row.invalid { border-color: #c35d4d; background: #fff4f1; }
.advanced-unit-row.invalid::after { content: attr(data-error); grid-column: 1 / -1; color: #a33e2f; font-size: 10px; }
.advanced-unit-row > button { width: 27px; height: 28px; padding: 0; color: #8c6153; background: white; border: 1px solid var(--border); border-radius: 4px; }
.advanced-preview-pane { min-height: 0; display: flex; flex-direction: column; overflow: hidden; background: var(--canvas); border: 1px solid var(--border); border-radius: 10px; }
.advanced-preview-title { display: flex; justify-content: space-between; padding: 10px 12px; background: white; border-bottom: 1px solid var(--border); font-size: 11px; }
.advanced-preview-title span { color: var(--muted); font-size: 10px; }.advanced-preview-title span.warning, .advanced-preview-title span.error { color: #a05731; }
#advancedPreview { width: 100%; height: 100%; min-height: 360px; background-image: linear-gradient(#e4e9e6 1px, transparent 1px), linear-gradient(90deg, #e4e9e6 1px, transparent 1px); background-size: 20px 20px; }
.advanced-preview-edge .edge-hit { fill: none; stroke: transparent; stroke-width: 14; cursor: pointer; pointer-events: stroke; }
.advanced-preview-edge.selected .edge-visible { stroke: #d47d12; stroke-width: 3; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }
dialog button:hover { background: var(--green-soft); border-color: #9abfaa; }
dialog .primary { color: white; background: var(--green); border-color: var(--green); }
dialog .primary:hover { background: var(--green-dark); border-color: var(--green-dark); }
:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
.topbar :focus-visible { outline-color: #69b993; }
input:focus, select:focus { border-color: var(--green) !important; box-shadow: 0 0 0 1px var(--green); outline: 2px solid transparent; outline-offset: 1px; }
.symbol { width: 30px; height: 22px; display: block; position: relative; color: #202824; }
.material-symbol::before { content: ""; position: absolute; left: 2px; right: 2px; top: 12px; border-top: 1px solid; }
.crusher-symbol { clip-path: polygon(20% 10%, 80% 10%, 100% 90%, 0 90%); border: 1px solid; }
.screen-symbol::before, .screen-symbol::after { content: ""; position: absolute; width: 30px; left: 0; border-top: 1px solid; transform: rotate(-12deg); }
.screen-symbol::before { top: 8px; }.screen-symbol::after { top: 14px; }
.mill-symbol { width: 25px; height: 25px; border: 1px solid; border-radius: 50%; }
.classifier-symbol { border: 1px solid; clip-path: polygon(15% 0, 85% 0, 63% 62%, 55% 100%, 45% 100%, 37% 62%); }
.stage-symbol::before, .stage-symbol::after { content: ""; position: absolute; left: 0; width: 30px; border-top: 1px solid; }.stage-symbol::before { top: 8px; }.stage-symbol::after { top: 13px; }
.thickener-symbol { border: 1px solid; border-radius: 50%; transform: scaleY(0.55); }
.filter-symbol { border: 1px solid; }.filter-symbol::after { content: ""; position: absolute; width: 36px; top: 10px; left: -3px; border-top: 1px solid; transform: rotate(-35deg); }
.pump-symbol { width: 24px; height: 24px; border: 1px solid; border-radius: 50%; }.pump-symbol::after { content: ""; position: absolute; right: -8px; top: 7px; border: 5px solid transparent; border-left-color: currentColor; }
.product-symbol::before { content: "↓"; display: block; text-align: center; font-size: 24px; line-height: 20px; }
.reagent-symbol, .text-symbol { display: grid; place-items: center; font: 22px SimSun, serif; }

.help-box { margin-top: 22px; padding: 12px; color: var(--ink-soft); background: var(--panel-soft); border-radius: 9px; }
.help-box strong { font-size: 11px; }
.help-box p { margin: 6px 0 0; font-size: 10px; line-height: 1.65; }

.canvas-panel { min-width: 0; display: grid; grid-template-rows: 46px 1fr 30px; }
.canvas-toolbar { display: flex; align-items: center; gap: 7px; padding: 0 12px; background: var(--panel-soft); border-bottom: 1px solid var(--border); }
.canvas-toolbar button { min-width: 32px; min-height: 30px; padding: 0 10px; font-size: 11px; }
.canvas-toolbar label { margin-left: 6px; color: var(--muted); font-size: 10px; }
#zoomLabel { min-width: 42px; color: var(--muted); font-size: 10px; text-align: center; }
.canvas-tip { margin-left: auto; color: var(--muted); font-size: 10px; }
.canvas-viewport { position: relative; min-height: 0; overflow: hidden; background: var(--canvas); }
#diagramCanvas { width: 100%; height: 100%; display: block; touch-action: none; user-select: none; }
#diagramCanvas.connecting { cursor: crosshair; }
#diagramCanvas.diagram-settling { animation: diagram-settle 240ms var(--ease-out); }
#parameterLayer.parameter-enter .stream-parameter-card, #parameterLayer.parameter-enter .parameter-legend { animation: parameter-arrive 260ms var(--ease-out) both; }
#parameterLayer.parameter-enter .stream-parameter-card:nth-child(2) { animation-delay: 24ms; }
#parameterLayer.parameter-enter .stream-parameter-card:nth-child(3) { animation-delay: 48ms; }
#parameterLayer.parameter-enter .stream-parameter-card:nth-child(4) { animation-delay: 72ms; }
.gesture-connection-preview { fill: none; stroke: #d47d12; stroke-width: 1.8; stroke-dasharray: 6 4; vector-effect: non-scaling-stroke; pointer-events: none; }
.makeup-water-diagram { pointer-events: none; }
#gridRect.hidden-grid { display: none; }
.statusbar { display: flex; align-items: center; justify-content: space-between; padding: 0 12px; color: var(--muted); background: var(--panel-soft); border-top: 1px solid var(--border); font-size: 10px; }
.empty-hint { position: absolute; inset: 0; display: grid; place-content: center; pointer-events: none; text-align: center; }
.empty-hint strong, .empty-hint span { display: block; }.empty-hint strong { font-size: 15px; }.empty-hint span { margin-top: 6px; color: var(--muted); font-size: 10px; }

.diagram-node { cursor: move; }
.diagram-node .selection-box { display: none; fill: none; stroke: var(--green); stroke-width: 1.5; stroke-dasharray: 5 4; vector-effect: non-scaling-stroke; }
.diagram-node.selected .selection-box, .diagram-node.connect-source .selection-box { display: block; }
.diagram-node.connect-source .selection-box { stroke: #d48a1f; }
.diagram-node text { pointer-events: none; }
.diagram-edge { cursor: pointer; }
.diagram-edge .edge-visible { fill: none; stroke: #111; stroke-width: 1.3; }
.diagram-edge .edge-hit { fill: none; stroke: transparent; stroke-width: 14; vector-effect: non-scaling-stroke; }
.diagram-edge.selected .edge-visible { stroke: var(--green); stroke-width: 2; }
.stream-parameter-card, .parameter-legend { cursor: grab; }
.stream-parameter-card:active, .parameter-legend:active { cursor: grabbing; }
.parameter-card-hit, .parameter-legend-hit { pointer-events: all; }
.stream-parameter-card.selected { filter: drop-shadow(0 0 2px #17835d); }
.stream-parameter-card.semantic-highlight { filter: drop-shadow(0 0 3px #d47d12); }
.route-handle { fill: #fff; stroke: var(--green); stroke-width: 1.5; vector-effect: non-scaling-stroke; cursor: move; }
.width-resize-handle { cursor: ew-resize; }

.properties-panel { display: flex; min-width: 0; flex-direction: column; padding: 16px 18px 22px; overflow: hidden; }
.panel-tabs { --tab-offset: 0%; position: relative; display: grid; flex: 0 0 auto; grid-template-columns: repeat(3, 1fr); gap: 0; margin: -4px 0 18px; border-bottom: 1px solid var(--border); }
.panel-tabs::after { content: ""; position: absolute; bottom: -1px; left: 0; width: 33.333%; height: 2px; background: var(--green); transform: translateX(var(--tab-offset)); transition: transform var(--motion-medium) var(--ease-out); }
.panel-tabs button { position: relative; min-height: 38px; padding: 8px 4px; color: var(--muted); background: transparent; border: 0; border-bottom: 2px solid transparent; border-radius: 0; font-size: 11px; }
.panel-tabs button:hover { color: var(--ink); background: var(--panel-soft); }
.panel-tabs button.active { color: var(--green-dark); background: transparent; font-weight: 650; }
.side-panel-stage { min-height: 0; flex: 1; overflow: hidden; }
.side-panel-track { display: flex; width: 100%; height: 100%; transform: translate3d(var(--panel-offset, 0%), 0, 0); transition: transform var(--motion-medium) var(--ease-out); will-change: transform; }
.side-panel-page { min-width: 0; height: 100%; flex: 0 0 100%; padding-right: 3px; overflow-x: hidden; overflow-y: auto; scrollbar-color: #9eb3a8 transparent; scrollbar-width: thin; }
.side-panel-page[aria-hidden="true"] { pointer-events: none; }
.side-panel-track > .side-panel-page { margin-top: 0; }
#semanticBadge:not(:empty), #calculationBadge:not(:empty) { display: inline-grid; min-width: 18px; height: 18px; margin-left: 2px; place-items: center; color: #843d16; background: #ffd7b0; border-radius: 9px; font-size: 10px; }
.no-selection { margin-top: 68px; color: var(--muted); text-align: center; }
.no-selection strong { display: block; margin: 10px 0 6px; color: var(--ink-soft); font-size: 13px; }
.no-selection p { margin: 0 auto; max-width: 180px; font-size: 10px; line-height: 1.6; }
.property-form { display: grid; gap: 15px; }
.property-form label { display: grid; gap: 7px; color: var(--ink-soft); font-size: 11px; }
.property-form input[type="text"], .property-form input[type="number"], .property-form select { width: 100%; height: 36px; padding: 0 10px; color: var(--ink); background: #fff; border: 1px solid var(--border); border-radius: 8px; outline: none; font: inherit; }
.property-form input:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(22,116,81,.1); }
.property-form input:disabled { color: #7c8681; background: #f4f6f4; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.check-field { display: flex !important; grid-template-columns: 16px 1fr; align-items: center; }
#resetRouteBtn, #straightenBtn, #reverseSemanticBtn { width: 100%; font-size: 11px; }
.property-note { margin: -6px 0 0; color: var(--muted); font-size: 10px; line-height: 1.6; }
.semantic-direction { margin: -5px 0 0; padding: 7px; color: #315044; background: var(--green-soft); border-radius: 5px; font-size: 10px; }
.semantic-summary { padding: 11px; color: #294b3c; background: var(--green-soft); border: 1px solid #a8cdbb; border-radius: 8px; font-size: 11px; line-height: 1.55; }
.semantic-summary.warning { color: #7a451e; background: #fff7e8; border-color: #e8c58e; }
.semantic-group { margin-top: 16px; }
.semantic-group h3 { margin: 0 0 7px; font-size: 12px; }
.semantic-list { display: grid; gap: 5px; }
.semantic-item { width: 100%; padding: 8px 9px; color: #33453d; background: white; border: 1px solid var(--border); border-radius: 7px; text-align: left; font-size: 10px; line-height: 1.45; }
.semantic-item:hover { background: var(--green-soft); border-color: #8cb9a6; }
.semantic-item.warning { color: #7a451e; background: #fffaf0; border-color: #ead0a8; }
.semantic-item strong, .semantic-item span { display: block; }
.semantic-item span { margin-top: 2px; color: var(--muted); }
.semantic-empty { color: var(--muted); font-size: 10px; }
.diagram-node.semantic-highlight { filter: drop-shadow(0 0 3px #e19025); }
.diagram-edge.semantic-highlight .edge-visible { stroke: #d47d12; stroke-width: 2.4; }
.semantic-flow { fill: none; stroke: #d47d12; stroke-width: 2.4; pointer-events: none; }
.diagram-node.focus-pulse { animation: node-focus-pulse 520ms var(--ease-out); }
.diagram-edge.focus-pulse .edge-visible, .semantic-flow.focus-pulse { animation: flow-trace 520ms var(--ease-out); }
#parameterLayer .stream-parameter-card.focus-pulse { animation: parameter-focus-pulse 520ms var(--ease-out); }

.calculation-settings { display: grid; gap: 10px; margin-bottom: 13px; padding: 11px; background: var(--panel-soft); border: 1px solid var(--border); border-radius: 8px; }
.calculation-settings label { display: grid; gap: 6px; color: var(--ink-soft); font-size: 10px; }
.calculation-settings input, .calculation-settings select { width: 100%; min-width: 0; height: 32px; padding: 0 8px; background: white; border: 1px solid var(--border); border-radius: 7px; font: inherit; font-size: 10px; }
.parameter-display-settings { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.parameter-display-settings > summary, .stream-parameter-settings > summary { padding: 8px 2px; color: #34443d; cursor: pointer; font-size: 10px; font-weight: 650; }
.parameter-global-grid { display: grid; grid-template-columns: minmax(170px, 1.5fr) repeat(3, minmax(92px, 1fr)); gap: 7px; padding-bottom: 9px; }
.parameter-global-grid .parameter-enabled { display: flex; align-items: center; gap: 7px; }
.parameter-global-grid .parameter-enabled input { width: 16px; height: 16px; }
.parameter-slot-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin: 2px 0 6px; color: var(--ink-soft); font-size: 10px; }
.parameter-slot-heading small { color: var(--muted); font-size: 9px; font-weight: 400; }
.parameter-slot-grid { display: grid; grid-template-columns: repeat(4, minmax(92px, 1fr)); gap: 6px; }
.parameter-slot-grid label { min-width: 0; }
.parameter-slot-grid label span { color: var(--muted); font-size: 9px; }
.parameter-slot-grid select:disabled, .parameter-slot-grid.locked { opacity: .62; }
.parameter-layout-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.parameter-layout-actions button { padding: 7px 9px; color: var(--green-dark); background: white; border: 1px solid #9fc6b3; border-radius: 7px; font-size: 10px; }
.parameter-layout-note { display: block; margin-top: 6px; color: var(--muted); font-size: 9px; line-height: 1.5; }
.component-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; color: var(--ink-soft); font-size: 10px; }
.component-heading button { padding: 6px 9px; color: var(--green-dark); background: var(--green-soft); border: 1px solid #9fc6b3; border-radius: 7px; font-size: 10px; }
.component-rows { display: grid; gap: 7px; }
.component-row { display: grid; grid-template-columns: minmax(100px, 1fr) minmax(76px, .55fr) 26px; align-items: end; gap: 7px; }
.component-row > button { width: 26px; height: 32px; padding: 0; color: var(--danger); background: white; border: 1px solid #dfb4b4; border-radius: 6px; }
.component-row > button:disabled { visibility: hidden; }
#clearCalculationBtn { padding: 8px; color: var(--danger); background: white; border: 1px solid #dfb4b4; border-radius: 7px; font-size: 10px; }
#clearCalculationBtn:hover { background: #fff4f4; border-color: #cf8f8f; }
.calculation-summary { padding: 10px; color: #294b3c; background: var(--green-soft); border: 1px solid #a8cdbb; border-radius: 8px; font-size: 10px; line-height: 1.55; }
.calculation-summary small { display: block; margin-top: 4px; color: var(--muted); font-size: 10px; }
.calculation-summary.warning, .calculation-summary.conflict { color: #7a451e; background: #fff7e8; border-color: #e8c58e; }
.calculation-section { margin-top: 12px; border: 1px solid var(--border); border-radius: 8px; background: white; }
.calculation-section > summary { padding: 9px 10px; color: #34443d; background: var(--panel-soft); border-radius: 8px; cursor: pointer; font-size: 11px; font-weight: 650; }
.calculation-section[open] > summary { border-bottom: 1px solid var(--border); border-radius: 7px 7px 0 0; }
.calculation-section > summary span { float: right; color: var(--muted); font-size: 10px; font-weight: 400; }
.feed-total { margin: 0; padding: 7px 8px; color: #53605a; background: #fafbfa; border-bottom: 1px solid #edf0ee; font-size: 10px; }
.overall-grid { display: grid; overflow-x: auto; }
.overall-head, .overall-row { display: grid; grid-template-columns: minmax(80px, 1.3fr) repeat(var(--overall-metrics, 2), minmax(76px, 1fr)); align-items: center; min-width: max-content; }
.overall-head { color: var(--muted); background: #fafbfa; font-size: 10px; text-align: center; }
.overall-head > *, .overall-row > * { min-width: 0; padding: 5px 3px; }
.overall-row { border-top: 1px solid #edf0ee; }
.overall-row strong { padding-left: 8px; font-size: 10px; }
#overallMetrics h4 { margin: 0; padding: 8px; border-top: 1px solid var(--border); border-bottom: 1px solid #edf0ee; background: #fafbfa; font-size: 10px; }
.stream-tags { display: flex; flex-wrap: wrap; gap: 2px; margin-top: 2px; }
.stream-tags span { padding: 1px 4px; color: #4d6158; background: #edf2ef; border-radius: 7px; font-size: 10px; }
.stream-tags .recycle { color: #86501f; background: #fff0d7; }
.stream-tags .feed { color: #285d49; background: #e4f3ec; }
.stream-tags .product { color: #426084; background: #eaf1f9; }
.stream-clear { width: 22px; height: 26px; padding: 0; color: #8c6153; background: white; border: 0; font-size: 13px; }
.phase-field { display: grid; gap: 2px; color: var(--muted); font-size: 9px; }
.phase-field select { width: 100%; min-width: 0; height: 27px; border: 1px solid var(--border); border-radius: 5px; background: white; font-size: 10px; }
.stream-metric { display: grid; min-width: 0; gap: 2px; color: var(--muted); font-size: 9px; }
.stream-metric > .calculation-cell { min-width: 0; }
.water-balance-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: #edf0ee; }
.water-balance-grid span { display: grid; gap: 3px; padding: 7px 8px; color: var(--muted); background: white; font-size: 9px; }
.water-balance-grid strong { color: #34443d; font: 10px "Cascadia Mono", Consolas, monospace; }
.water-balance-grid strong.warning { color: #a9502d; }
.calculation-cell { position: relative; }
.calculation-cell input { width: 100%; height: 32px; padding: 0 5px; border: 1px solid transparent; border-radius: 5px; text-align: right; font: 11px "Cascadia Mono", Consolas, monospace; font-variant-numeric: tabular-nums; }
.calculation-cell input:hover, .calculation-cell input:focus { border-color: #9bc5b4; outline: none; }
.calculation-cell input.calculated { color: #176b4d; background: #eef7f3; }
.calculation-cell input.entered { color: #17201d; background: #fff4d9; border-color: #e8c58e; }
.calculation-cell input.fixed { color: var(--muted); background: #f4f6f4; }
.calculation-cell input.needed { border-color: #dfa84b; box-shadow: inset 0 0 0 1px #f3d7a2; background: #fffaf0; }
.calculation-empty { margin-top: 24px; color: var(--muted); font-size: 10px; line-height: 1.6; text-align: center; }
.calculation-empty.compact { margin: 0; padding: 10px; }

.calculation-active .workspace { grid-template-columns: var(--left-rail) minmax(360px, 1fr) min(var(--calculation-rail), 45vw); }
.calculation-panel { min-height: 0; }
.calculation-active .calculation-panel { padding: 0 2px 18px; }
.calculation-resize-handle { display: none; }
.calculation-active .calculation-resize-handle { position: absolute; z-index: 8; top: 0; bottom: 0; left: 0; display: block; width: 13px; cursor: ew-resize; touch-action: none; }
.calculation-active .calculation-resize-handle::after { content: ""; position: absolute; top: 45%; bottom: 45%; left: 5px; width: 1px; min-height: 44px; background: #9eb3a8; opacity: 0; transition: opacity 120ms ease; }
.calculation-active .calculation-resize-handle:hover::after, .calculation-active .calculation-resize-handle:focus::after, .resizing-calculation .calculation-resize-handle::after { opacity: 1; }
.calculation-resize-handle:focus { outline: 2px solid var(--green); outline-offset: -3px; }
.resizing-calculation { cursor: ew-resize; user-select: none; }
.resizing-calculation .workspace { transition: none; }
.calculation-sticky { position: sticky; z-index: 5; top: 0; padding-bottom: 10px; background: white; }
.freedom-metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin-top: 8px; overflow: hidden; background: rgba(52, 93, 74, .14); border-radius: 5px; }
.freedom-metrics span { display: grid; gap: 1px; padding: 5px 6px; color: #52645b; background: rgba(255,255,255,.74); font-size: 9px; }
.freedom-metrics b { color: #263d33; font: 600 12px "Cascadia Mono", Consolas, monospace; }
.calculation-navigator { display: grid; grid-template-columns: auto minmax(150px, 1fr) auto auto; gap: 6px; margin-top: 7px; }
.calculation-navigator button, .calculation-navigator select { min-width: 0; height: 34px; padding: 0 9px; color: var(--ink-soft); background: white; border: 1px solid var(--border); border-radius: 7px; font-size: 10px; }
.calculation-navigator button:hover { color: var(--green-dark); background: var(--green-soft); border-color: #93bba8; }
.calculation-navigator button:disabled { color: #8b9690; background: #f4f6f4; cursor: default; }
.calculation-overview { margin-top: 2px; }
.calculation-overview .calculation-settings { margin: 0; border: 0; border-bottom: 1px solid var(--border); border-radius: 0; }
#calculationInspector { margin-top: 14px; }
.operation-inspector { overflow: hidden; border: 1px solid var(--border); border-radius: 10px; background: white; }
.inspector-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 13px; background: var(--panel-soft); border-bottom: 1px solid var(--border); }
.inspector-heading h3 { margin: 0; color: var(--ink); font-size: 14px; font-weight: 680; }
.inspector-heading p { margin: 3px 0 0; color: var(--muted); font-size: 10px; }
.inspector-status { flex: 0 0 auto; padding: 4px 7px; color: #315346; background: #e1f1e9; border-radius: 5px; font-size: 9px; font-weight: 650; }
.inspector-status.pending { color: #7d531f; background: #fff1d8; }
.inspector-status.warning { color: #873d2a; background: #fde7df; }
.operation-settings { display: grid; gap: 0; }
.operation-setting, .recycle-editor { display: grid; grid-template-columns: minmax(120px, 1.2fr) minmax(170px, 1.4fr) minmax(82px, .75fr); align-items: end; gap: 8px; padding: 10px 12px; border-bottom: 1px solid #e6ebe8; }
.operation-setting > div:first-child, .recycle-editor > div:first-child { align-self: center; min-width: 0; }
.operation-setting strong, .operation-setting small, .recycle-editor strong, .recycle-editor small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.operation-setting strong, .recycle-editor strong { color: #34443d; font-size: 10px; }
.operation-setting small, .recycle-editor small { margin-top: 3px; color: var(--muted); font-size: 9px; }
.operation-setting small.makeup { color: #267459; }.operation-setting small.dewatering { color: #9a5b2b; }
.operation-setting select { width: 100%; height: 34px; border: 1px solid var(--border); border-radius: 6px; background: white; font-size: 10px; }
.operation-streams { display: grid; gap: 10px; padding: 12px; background: #f6f8f7; }
.calculation-stream-card { overflow: hidden; background: white; border: 1px solid #d9e1dc; border-radius: 9px; }
.calculation-stream-card > header { display: grid; grid-template-columns: minmax(150px, 1fr) auto 78px 24px; align-items: center; gap: 7px; padding: 9px 10px; background: #fbfcfb; border-bottom: 1px solid #e8ecea; }
.stream-context { min-width: 0; cursor: pointer; }
.stream-context > strong, .stream-context > span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.stream-context > strong { color: #263d33; font-size: 11px; }.stream-context > span { margin-top: 2px; color: var(--muted); font-size: 9px; }
.stream-role { display: grid; gap: 2px; color: var(--muted); font-size: 9px; }
.stream-role select { width: 96px; height: 28px; border: 1px solid var(--border); border-radius: 5px; background: white; font-size: 10px; }
.stream-name-field { display: grid; grid-template-columns: 120px 1fr; align-items: center; gap: 8px; padding: 8px 10px 0; color: var(--muted); font-size: 9px; }
.stream-name-field input { min-width: 0; height: 31px; padding: 0 8px; border: 1px solid var(--border); border-radius: 6px; color: var(--ink-soft); font-size: 10px; }
.calculation-primary-grid, .calculation-more-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(90px, 1fr)); align-items: end; gap: 7px; padding: 10px; }
.calculation-primary-grid { padding-top: 8px; }
.calculation-cell input { height: 34px; }
.calculation-source { display: block; min-height: 13px; margin-top: 2px; color: var(--muted); font-size: 8px; text-align: right; }
.calculation-source.input { color: #8a611f; }.calculation-source.calculated { color: #176b4d; }.calculation-source.needed { color: #a36812; font-weight: 650; }
.stream-more { border-top: 1px solid #edf0ee; }
.stream-more > summary { padding: 7px 10px; color: #53645c; background: #fafbfa; cursor: pointer; font-size: 9px; }
.stream-parameter-settings { border-top: 1px solid #edf0ee; background: #fafbfa; }
.stream-parameter-settings > summary { padding: 8px 10px; }
.stream-parameter-settings > :not(summary) { margin-right: 10px; margin-left: 10px; }
.stream-parameter-controls { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; }
.stream-parameter-controls label { display: grid; gap: 3px; color: var(--muted); font-size: 9px; }
.stream-parameter-controls select, .stream-parameter-settings .parameter-slot-grid select { width: 100%; min-width: 0; height: 30px; padding: 0 6px; background: white; border: 1px solid var(--border); border-radius: 5px; font-size: 9px; }
.parameter-anchor-actions { display: flex; flex-wrap: wrap; gap: 6px; padding: 9px 0 10px; }
.parameter-anchor-actions button { min-height: 28px; padding: 0 9px; color: var(--ink-soft); background: white; border: 1px solid var(--border); border-radius: 6px; font-size: 9px; }
.parameter-anchor-actions button:hover { color: var(--green-dark); border-color: #93bba8; }
.inline-recycle { border-top: 1px solid #e6ebe8; }
.inline-recycle .recycle-editor { border-bottom: 0; }
.junction-stream-list, .calculation-warning-list { display: grid; gap: 7px; padding: 11px; }
.junction-stream-list button, .calculation-warning-list button { padding: 9px 10px; color: var(--ink-soft); background: white; border: 1px solid var(--border); border-radius: 7px; text-align: left; }
.junction-stream-list button:hover, .calculation-warning-list button:hover { background: var(--green-soft); border-color: #8cb9a6; }
.junction-stream-list strong, .junction-stream-list span, .calculation-warning-list strong, .calculation-warning-list span { display: block; }
.junction-stream-list strong, .calculation-warning-list strong { font-size: 10px; }.junction-stream-list span, .calculation-warning-list span { margin-top: 2px; color: var(--muted); font-size: 9px; }
.calculation-warning-list button { color: #7a451e; background: #fffaf0; border-color: #ead0a8; }
.calculation-warning-list button:disabled { color: #7a451e; cursor: default; opacity: .72; }
.calculation-warnings-section { margin-bottom: 12px; }

details > summary { list-style: none; }
details > summary::-webkit-details-marker { display: none; }
details > summary::before { content: ""; display: inline-block; width: 6px; height: 6px; margin: 0 8px 2px 2px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(-45deg); transform-origin: center; transition: transform var(--motion-medium) var(--ease-out); }
details[open] > summary::before { transform: rotate(45deg); }
.advanced-ai-panel > summary { justify-content: flex-start; }
#aiPanelStatus { margin-left: auto; }
@supports selector(details::details-content) {
  :root { interpolate-size: allow-keywords; }
  details::details-content { block-size: 0; overflow: hidden; opacity: 0; transition: block-size var(--motion-medium) var(--ease-out), opacity var(--motion-fast) ease, content-visibility var(--motion-medium) allow-discrete; }
  details[open]::details-content { block-size: auto; opacity: 1; }
}

@media (hover: hover) {
  .toolbar button:hover:not(:disabled), .toolbar .button-label:hover, .canvas-toolbar button:hover:not(:disabled), .template-button:hover, .palette-item:hover { transform: translateY(-1px); }
  .palette-item:hover .palette-preview { transform: translateY(-2px) scale(1.035); }
}

@keyframes node-focus-pulse {
  0% { filter: drop-shadow(0 0 0 rgba(212, 125, 18, 0)); }
  44% { filter: drop-shadow(0 3px 8px rgba(212, 125, 18, .55)); }
  100% { filter: drop-shadow(0 0 3px #e19025); }
}
@keyframes flow-trace {
  0% { stroke-dasharray: 2 18; stroke-dashoffset: 26; stroke-width: 3.2; }
  72% { stroke-dasharray: 15 5; stroke-dashoffset: 0; stroke-width: 2.8; }
  100% { stroke-dasharray: 1 0; stroke-dashoffset: 0; stroke-width: 2.4; }
}
@keyframes parameter-focus-pulse {
  0% { opacity: .45; filter: drop-shadow(0 0 0 rgba(212, 125, 18, 0)); }
  48% { opacity: 1; filter: drop-shadow(0 3px 7px rgba(212, 125, 18, .55)); }
  100% { opacity: 1; filter: drop-shadow(0 0 3px #d47d12); }
}
@keyframes dialog-unfold {
  from { opacity: .65; clip-path: inset(0 0 9% 0 round 14px); }
  to { opacity: 1; clip-path: inset(0 round 14px); }
}
@keyframes dialog-content-arrive {
  from { opacity: .72; transform: translateX(var(--dialog-enter-x, 14px)); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes dialog-leave { to { opacity: 0; clip-path: inset(0 0 7% 0 round 14px); } }
@keyframes dialog-content-leave { to { opacity: 0; transform: translateX(8px); } }
@keyframes guide-arrive {
  from { opacity: 0; clip-path: inset(0 0 18% 0 round 12px); }
  to { opacity: 1; clip-path: inset(0 round 12px); }
}
@keyframes diagram-settle {
  from { opacity: .58; }
  to { opacity: 1; }
}
@keyframes parameter-arrive {
  from { opacity: 0; filter: blur(2px); }
  to { opacity: 1; filter: blur(0); }
}

@media (max-width: 1240px) {
  :root { --left-rail: 232px; }
  .workspace { grid-template-columns: var(--left-rail) minmax(360px, 1fr); gap: 8px; padding: 8px; }
  .calculation-active .workspace { grid-template-columns: var(--left-rail) minmax(360px, 1fr); }
  .toolbar { flex: 1; overflow-x: auto; }
  .toolbar button, .button-label { flex: 0 0 auto; padding: 0 8px; font-size: 11px; white-space: nowrap; }
  #propertiesToggleBtn { display: inline-block; }
  .properties-panel { position: fixed; z-index: 20; top: calc(var(--topbar-height) + 8px); right: 8px; bottom: 8px; width: min(420px, calc(100vw - 16px)); visibility: hidden; transform: translateX(calc(100% + 18px)); box-shadow: 0 18px 48px rgba(26, 48, 37, .22); pointer-events: none; transition: width var(--motion-medium) var(--ease-out), transform var(--motion-medium) var(--ease-out), visibility var(--motion-medium); }
  .calculation-active .properties-panel { position: fixed; width: min(var(--calculation-rail), calc(100vw - 16px)); }
  .calculation-active .calculation-resize-handle { display: none; }
  .properties-open .properties-panel { visibility: visible; transform: none; pointer-events: auto; }
  .properties-open #propertiesToggleBtn { color: #fff; background: var(--green); border-color: #2d8a67; }
}
@media (max-width: 900px) {
  .advanced-builder-dialog[open] { inset: calc(var(--topbar-height) + 8px) 8px 8px 8px; }
  .advanced-builder-layout { grid-template-columns: 1fr; overflow-y: auto; }
  .advanced-editor-pane { overflow: visible; }
  .advanced-preview-pane { min-height: 420px; }
}

@media (max-width: 760px) {
  :root { --topbar-height: 112px; }
  .topbar { align-content: center; align-items: center; flex-wrap: wrap; gap: 6px; padding: 8px 10px; }
  .brand { height: 40px; }
  .brand-mark { width: 34px; height: 34px; font-size: 19px; }
  .brand h1 { font-size: 14px; }
  .brand span:last-child { display: none; }
  .toolbar { flex: 0 0 100%; width: 100%; justify-content: flex-start; overflow-x: auto; padding-bottom: 2px; }
  .toolbar button, .toolbar .button-label { min-height: 32px; flex: 0 0 auto; }
  .workspace { grid-template-columns: minmax(0, 1fr); padding: 6px; }
  .calculation-active .workspace { grid-template-columns: minmax(0, 1fr); }
  #paletteToggleBtn { display: inline-block; }
  .palette-panel { position: fixed; z-index: 20; top: calc(var(--topbar-height) + 6px); bottom: 6px; left: 6px; width: min(300px, calc(100vw - 12px)); visibility: hidden; transform: translateX(calc(-100% - 12px)); box-shadow: 0 18px 48px rgba(26, 48, 37, .22); pointer-events: none; transition: transform var(--motion-medium) var(--ease-out), visibility var(--motion-medium); }
  .palette-open .palette-panel { visibility: visible; transform: none; pointer-events: auto; }
  .palette-open #paletteToggleBtn { color: #fff; background: var(--green); border-color: #2d8a67; }
  .properties-panel { top: calc(var(--topbar-height) + 6px); right: 6px; bottom: 6px; width: min(420px, calc(100vw - 12px)); }
  .calculation-active .properties-panel { width: min(620px, calc(100vw - 12px)); }
  .calculation-navigator { grid-template-columns: 1fr 1fr; }
  .calculation-navigator select { grid-column: 1 / -1; grid-row: 1; }
  .operation-setting, .recycle-editor { grid-template-columns: 1fr; }
  .parameter-global-grid, .parameter-slot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .calculation-stream-card > header { grid-template-columns: minmax(120px, 1fr) 72px 24px; }
  .stream-role { grid-column: 1 / -1; grid-row: 2; }
  .stream-name-field { grid-template-columns: 1fr; }
  .canvas-tip { display: none; }
  .canvas-panel { border-radius: 9px; }
  .advanced-builder-dialog[open] { inset: calc(var(--topbar-height) + 6px) 6px 6px; padding: 12px; }
  .advanced-dialog-title { grid-template-columns: 1fr; gap: 10px; }
  .advanced-builder-layout { display: block; overflow-y: auto; }
  .advanced-preview-pane { margin-top: 12px; }
  .ai-settings-grid { grid-template-columns: 1fr; }
  .ai-settings-grid .wide { grid-column: auto; }
  .ai-image-row { align-items: flex-start; flex-wrap: wrap; }
  #aiImageInfo { flex-basis: 55%; white-space: normal; }
  .onboarding-guide { width: calc(100vw - 16px); max-height: calc(100vh - 16px); padding: 14px; border-radius: 10px; }
  .onboarding-guide p { min-height: 0; }
}

@media (min-width: 2400px) {
  :root { --left-rail: 300px; --right-rail: 440px; }
  .workspace { gap: 14px; padding: 14px; }
}

/* Input-capability based: iPads, split-view tablets and hybrid touch laptops. */
.touch-ui { --topbar-height: calc(116px + env(safe-area-inset-top, 0px)); --left-rail: 260px; position: fixed; top: var(--app-top, 0px); left: 0; height: var(--app-height, 100dvh); }
.touch-ui .topbar { flex-wrap: wrap; align-content: center; gap: 8px; padding: calc(8px + env(safe-area-inset-top, 0px)) max(12px, env(safe-area-inset-right, 0px)) 8px max(12px, env(safe-area-inset-left, 0px)); }
.touch-ui .brand { height: 44px; }
.touch-ui .brand h1 { font-size: 16px; }
.touch-ui .toolbar { flex: 0 0 100%; justify-content: flex-start; gap: 8px; min-height: 48px; overflow-x: auto; touch-action: pan-x; }
.touch-ui button, .touch-ui .button-label { min-width: 44px; min-height: 44px; font-size: 14px; touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
.touch-ui .toolbar button, .touch-ui .toolbar .button-label { padding: 0 12px; white-space: nowrap; }
.touch-ui input:not([type=checkbox]):not([type=radio]), .touch-ui textarea, .touch-ui select { min-height: 44px; font-size: 16px !important; }
.touch-ui input[type=checkbox], .touch-ui input[type=radio] { width: 20px; height: 20px; flex: 0 0 auto; }
.touch-ui label, .touch-ui .palette-item span, .touch-ui summary { font-size: 14px; }
.touch-ui summary, .touch-ui label, .touch-ui #diagramCanvas { -webkit-tap-highlight-color: transparent; }
.touch-ui label:has(input[type=checkbox]), .touch-ui label:has(input[type=radio]), .touch-ui summary { min-height: 44px; align-content: center; }
.touch-ui .workspace, .touch-ui.calculation-active .workspace { grid-template-columns: var(--left-rail) minmax(0, 1fr); gap: 8px; padding: 8px max(8px, env(safe-area-inset-right, 0px)) max(8px, env(safe-area-inset-bottom, 0px)) max(8px, env(safe-area-inset-left, 0px)); min-height: 0; }
.touch-ui .sidebar { min-height: 0; overscroll-behavior: contain; -webkit-overflow-scrolling: touch; }
.touch-ui .help-box p:not(.touch-help) { display: none; }
.touch-ui .touch-help { display: block; font-size: 12px; }
.touch-ui .template-button strong { font-size: 14px; }
.touch-ui .template-button span, .touch-ui .property-note, .touch-ui .section-heading small { font-size: 12px; }
.touch-ui .palette-item { height: 80px; touch-action: pan-y; }
.touch-ui .canvas-panel { min-height: 0; grid-template-rows: 60px minmax(0, 1fr) 34px; }
.touch-ui .canvas-toolbar { gap: 8px; touch-action: pan-x; }
.touch-ui .canvas-toolbar label { display: flex; align-items: center; gap: 6px; white-space: nowrap; }
.touch-ui .canvas-tip { display: none; }
.touch-ui .statusbar { gap: 10px; font-size: 11px; }
.touch-ui #interactionStatus { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.touch-ui #diagramStats { flex-shrink: 0; }
.touch-ui #diagramCanvas { -webkit-touch-callout: none; -webkit-user-select: none; }
.touch-ui .diagram-edge .edge-hit, .touch-ui .advanced-preview-edge .edge-hit { stroke-width: 24; }
.touch-ui #propertiesToggleBtn { display: inline-block; }
.touch-ui .properties-panel, .touch-ui.calculation-active .properties-panel { position: fixed; z-index: 20; top: calc(var(--app-top, 0px) + var(--topbar-height) + 8px); right: max(8px, env(safe-area-inset-right, 0px)); bottom: auto; width: min(460px, calc(100vw - 16px)); height: calc(var(--app-height, 100dvh) - var(--topbar-height) - 16px - env(safe-area-inset-bottom, 0px)); visibility: hidden; transform: translateX(calc(100% + 18px)); pointer-events: none; transition: transform var(--motion-medium) var(--ease-out), visibility var(--motion-medium); }
.touch-ui.properties-open .properties-panel { visibility: visible; transform: none; pointer-events: auto; }
.touch-ui .properties-panel .drawer-heading { display: flex; }
.drawer-heading { align-items: center; justify-content: space-between; gap: 12px; flex: 0 0 auto; margin-bottom: 12px; }
.drawer-heading button { padding: 0 12px; color: var(--ink); background: var(--panel-soft); border: 1px solid var(--border); border-radius: 8px; }
.touch-ui .calculation-resize-handle { display: none; }
.touch-ui .side-panel-page { overscroll-behavior: contain; -webkit-overflow-scrolling: touch; }
.touch-ui .advanced-builder-dialog[open] { top: calc(var(--app-top, 0px) + var(--topbar-height) + 8px); right: max(8px, env(safe-area-inset-right, 0px)); left: max(8px, env(safe-area-inset-left, 0px)); bottom: auto; height: calc(var(--app-height, 100dvh) - var(--topbar-height) - 16px - env(safe-area-inset-bottom, 0px)); padding: 14px; }
.touch-ui .advanced-dialog-title { grid-template-columns: minmax(0, 1fr) minmax(180px, 300px); gap: 12px; flex: 0 0 auto; }
.touch-ui .advanced-dialog-heading { flex-wrap: wrap; }
.touch-ui .advanced-builder-layout { grid-template-columns: minmax(0, 1.1fr) minmax(280px, 1fr); }
.touch-ui .advanced-editor-pane { min-width: 0; overflow-y: auto; }
.touch-ui .advanced-preview-pane { min-width: 0; }
.touch-ui .advanced-preview-title { gap: 12px; flex-wrap: wrap; }
.touch-ui .advanced-unit-head { display: none; }
.touch-ui .advanced-unit-row { grid-template-columns: minmax(0, 1fr) minmax(100px, 1fr) 44px; gap: 12px; padding: 12px; }
.touch-ui .advanced-unit-row > button { width: 44px; height: 44px; grid-column: 3; grid-row: 1; }
.touch-ui .advanced-unit-id { font-size: 12px; }
.touch-ui .advanced-unit-name, .touch-ui .advanced-unit-links { grid-column: 1 / -1; }
.touch-ui .advanced-unit-name { grid-template-columns: minmax(110px, .8fr) minmax(0, 1fr); }
.touch-ui .advanced-unit-links { gap: 10px; }
.touch-ui .advanced-unit-links::before { content: "出口连接"; grid-column: 1 / -1; color: var(--muted); font-size: 12px; }
.touch-ui .builder-card-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.touch-ui .builder-card-actions { gap: 6px; }
.touch-ui .dialog-actions { flex: 0 0 auto; flex-wrap: wrap; margin-top: 10px; }
.touch-ui .ai-actions, .touch-ui .ai-image-row, .touch-ui .ai-secret-actions { flex-wrap: wrap; }
.touch-ui .onboarding-guide { max-height: calc(var(--app-height, 100dvh) - 16px); overflow-y: auto; }
.touch-ui.compact-input { --topbar-height: calc(64px + env(safe-area-inset-top, 0px)); }
.touch-ui.compact-input .brand { display: none; }
.touch-ui.compact-input .advanced-dialog-heading, .touch-ui.compact-input .advanced-dialog-title p { display: none; }
.touch-ui.compact-input .advanced-dialog-title:not(:focus-within) { display: none; }
@media (max-width: 1100px) {
  .touch-ui .advanced-builder-layout { display: block; overflow-y: auto; }
  .touch-ui .advanced-editor-pane { overflow: visible; }
  .touch-ui .advanced-preview-pane { min-height: 360px; margin-top: 14px; }
}
@media (max-width: 1000px) {
  .touch-ui .workspace, .touch-ui.calculation-active .workspace { grid-template-columns: minmax(0, 1fr); }
  .touch-ui #paletteToggleBtn { display: inline-block; }
  .touch-ui .palette-panel { position: fixed; z-index: 20; top: calc(var(--app-top, 0px) + var(--topbar-height) + 8px); left: max(8px, env(safe-area-inset-left, 0px)); bottom: auto; width: min(320px, calc(100vw - 16px)); height: calc(var(--app-height, 100dvh) - var(--topbar-height) - 16px - env(safe-area-inset-bottom, 0px)); visibility: hidden; transform: translateX(calc(-100% - 18px)); pointer-events: none; transition: transform var(--motion-medium) var(--ease-out), visibility var(--motion-medium); }
  .touch-ui.palette-open .palette-panel { visibility: visible; transform: none; pointer-events: auto; }
  .touch-ui .palette-panel .drawer-heading { display: flex; }
}
@media (max-width: 600px) {
  .touch-ui .brand h1 { font-size: 14px; }
  .touch-ui .advanced-dialog-title { grid-template-columns: minmax(0, 1fr); }
  .touch-ui .advanced-unit-name, .touch-ui .ai-settings-grid { grid-template-columns: minmax(0, 1fr); }
  .touch-ui .builder-project-fields, .touch-ui .builder-card-fields { grid-template-columns: minmax(0, 1fr); }
  .touch-ui .statusbar #diagramStats { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  :root { --motion-fast: 100ms; --motion-medium: 100ms; --motion-guide: 100ms; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .workspace, .side-panel-track, .panel-tabs::after, .onboarding-guide, .guide-spotlight, .properties-panel, .palette-panel, details::details-content, details > summary::before { transition-duration: .01ms !important; }
}