.oiltank{--ws-ink:var(--color-ink);--ws-muted:var(--color-ink-muted);--ws-subtle:var(--color-ink-subtle);--ws-line:var(--color-hairline);--ws-line-strong:var(--color-hairline-strong);--ws-surface:var(--color-bg-elevated);--ws-surface-2:var(--color-surface-2);--ws-canvas:var(--color-canvas);--ws-accent:var(--color-primary);--ws-on-accent:var(--color-on-primary);--ws-focus:var(--color-focus);--ws-hero:#8a5a1a;--ws-hero-wash:color-mix(in srgb,#8a5a1a 14%,transparent);--ws-ok:#1a7a4c;--ws-ok-wash:color-mix(in srgb,#1a7a4c 12%,transparent);--ws-warn:#b54708;--ws-warn-wash:color-mix(in srgb,#b54708 12%,transparent);--ws-bad:#b42318;--ws-bad-wash:color-mix(in srgb,#b42318 12%,transparent);--ws-radius:8px;--ws-ease:cubic-bezier(0.22,1,0.36,1);color:var(--ws-ink)}html.app-dark .oiltank{--ws-hero:#d4a05a;--ws-hero-wash:color-mix(in srgb,#d4a05a 16%,transparent);--ws-ok:#3d9b6a;--ws-ok-wash:color-mix(in srgb,#3d9b6a 16%,transparent);--ws-warn:#f79009;--ws-warn-wash:color-mix(in srgb,#f79009 16%,transparent);--ws-bad:#f04438;--ws-bad-wash:color-mix(in srgb,#f04438 16%,transparent)}.oiltank-shell{margin-inline:auto;width:100%;max-width:72rem;display:flex;flex-direction:column;gap:1.25rem}.oiltank-stage{display:grid;gap:.85rem;min-width:0}@media (min-width:1024px){.oiltank-stage{height:calc(100dvh - 5.9rem);max-height:calc(100dvh - 5.9rem);grid-template-columns:minmax(0,1.35fr) minmax(17.5rem,.85fr);grid-template-rows:minmax(0,1fr);gap:.75rem;overflow:hidden}}.oiltank-panel{display:flex;min-width:0;min-height:0;flex-direction:column;border:1px solid var(--ws-line);border-radius:var(--ws-radius);background:var(--ws-surface);overflow:hidden}.oiltank-panel-head{display:flex;align-items:center;justify-content:space-between;gap:.75rem;flex-shrink:0;padding:.5rem .85rem;border-bottom:1px solid var(--ws-line)}.oiltank-panel-title{margin:0;font-size:.875rem;font-weight:600;letter-spacing:-.02em;color:var(--ws-ink)}.oiltank-panel-body{display:flex;min-height:0;flex:1;flex-direction:column;gap:.55rem;padding:.65rem .85rem .75rem}@media (min-width:1024px){.oiltank-panel-body{overflow:hidden}}.oiltank-reset{display:inline-flex;align-items:center;gap:.35rem;min-height:2rem;padding:0 .5rem;border:0;border-radius:6px;background:transparent;color:var(--ws-subtle);font-size:.75rem;font-weight:500;cursor:pointer;transition:color .16s var(--ws-ease),background .16s var(--ws-ease)}.oiltank-reset:hover{color:var(--ws-ink);background:var(--ws-surface-2)}.oiltank-chrome{display:flex;flex-direction:column;gap:.55rem;flex:1 1 auto;min-height:0}@media (min-width:1024px){.oiltank-chrome{overflow:auto;padding-right:.15rem}}.oiltank-chrome__limit{margin:0;font-size:.75rem;line-height:1.35;color:var(--ws-muted)}.oiltank-label{margin:0 0 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var(--ws-line-strong);border-radius:7px;background:var(--ws-canvas);color:var(--ws-ink);font-size:.875rem;letter-spacing:-.01em;outline:none;transition:border-color .16s var(--ws-ease),box-shadow .16s var(--ws-ease)}.oiltank-input:focus,.oiltank-select:focus{border-color:var(--ws-focus);box-shadow:0 0 0 2px color-mix(in srgb,var(--ws-focus) 18%,transparent)}.oiltank-check{display:inline-flex;align-items:center;gap:.45rem;font-size:.8125rem;color:var(--ws-muted);cursor:pointer}.oiltank-check input{accent-color:var(--ws-accent)}.oiltank-error{display:flex;gap:.45rem;align-items:flex-start;padding:.55rem .65rem;border:1px solid color-mix(in srgb,var(--ws-bad) 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