:root{--font-primary: "DM Sans", Inter, system-ui, sans-serif;--font-mono: "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--white: #ffffff;--neutral-2: #f7f7f8;--neutral-3: #f0f1f1;--neutral-4: #e6e6e6;--neutral-5: #d6d6d6;--neutral-7: #808080;--text: #000000;--text-muted: #525252;--metric: #008f20;--metric-dark: #105a00;--blue: #3344ff;--danger: #d0234f;--caution: #b98400}*{box-sizing:border-box}body{margin:0;background:var(--white);color:var(--text);font-family:var(--font-primary);letter-spacing:0}button,input{font:inherit;letter-spacing:0}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}.app-shell{width:100%;min-height:100vh;max-width:1000px;margin:0 auto;padding:24px 0 32px}.view-header{min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 0 18px}.title-wrap{display:flex;align-items:baseline;gap:8px;min-width:0}.title-wrap h1{margin:0;font-size:28px;line-height:1.1;font-weight:500}.title-wrap span{color:var(--text-muted);font-size:12px;font-family:var(--font-mono);text-transform:uppercase}.header-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.primary-button,.icon-button{height:38px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--neutral-4);background:var(--white);color:var(--text);padding:0 14px;border-radius:6px;font-size:14px;font-weight:500;white-space:nowrap}.primary-button{background:var(--text);border-color:var(--text);color:var(--white)}.primary-button:hover{background:var(--text-muted);border-color:var(--text-muted)}.icon-button:hover{background:var(--neutral-2)}.content-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);grid-template-areas:"upload upload" "left config";gap:10px;align-items:start}.panel{width:100%;background:var(--white);border:1px solid var(--neutral-4);padding:16px;display:flex;flex-direction:column;gap:16px;min-width:0}.upload-panel,.activity-panel{min-height:300px}.upload-hero{grid-area:upload;min-height:0}.left-stack{grid-area:left;display:flex;flex-direction:column;gap:10px;min-width:0}.config-panel{grid-area:config}.upload-hero .drop-zone{min-height:168px}.panel-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;color:var(--text)}.panel-heading h2{margin:0;font-size:18px;font-weight:500;line-height:1.25}.eyebrow{margin:0 0 4px;color:var(--text-muted);font-size:11px;font-family:var(--font-mono);text-transform:uppercase}.unit-lines{min-height:104px;display:grid;grid-template-columns:repeat(40,minmax(2px,1fr));align-items:end;gap:4px;padding:8px 0 4px;border-bottom:1px solid var(--neutral-4)}.unit-line{display:block;height:76px;border-radius:999px;background:var(--neutral-3);transition:background .2s ease}.unit-line.healthy{background:var(--metric)}.unit-line.warning{background:var(--caution)}.unit-line.critical{background:var(--danger)}.primary-metric{display:flex;align-items:baseline;gap:8px;min-width:0}.primary-metric strong{font-size:38px;line-height:1;font-weight:600;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.primary-metric span{color:var(--text-muted);font-size:14px}.metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--neutral-4);border-left:1px solid var(--neutral-4)}.metric-grid>div,.metric-list>div{min-width:0;display:flex;flex-direction:column;gap:4px;padding:12px;border-right:1px solid var(--neutral-4);border-bottom:1px solid var(--neutral-4)}.metric-grid span,.metric-list span,.upload-summary span{color:var(--text-muted);font-size:12px}.metric-grid strong,.metric-list strong,.upload-summary strong{font-family:var(--font-mono);font-size:14px;font-weight:500;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.metric-list{display:grid;grid-template-columns:1fr;border-top:1px solid var(--neutral-4);border-left:1px solid var(--neutral-4)}.form-grid{display:grid;grid-template-columns:1fr;gap:10px}.form-grid label{display:flex;flex-direction:column;gap:6px;color:var(--text-muted);font-size:12px}.form-grid input{width:100%;height:38px;border:1px solid var(--neutral-4);border-radius:6px;padding:0 10px;color:var(--text);background:var(--white);font-size:13px;font-family:var(--font-mono)}.form-grid input:focus{outline:2px solid var(--neutral-5);outline-offset:1px}.form-grid input[readonly]{background:var(--neutral-2);color:var(--text-muted);cursor:default}.drop-zone{min-height:132px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;border:1px dashed var(--neutral-5);border-radius:8px;background:var(--neutral-2);color:var(--text-muted);transition:border-color .15s ease,background .15s ease,color .15s ease}.drop-zone input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.drop-zone.active,.drop-zone:hover{background:#eef8f0;border-color:var(--metric);color:var(--metric-dark)}.drop-zone span{font-size:14px;font-weight:500}.upload-summary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr)) max-content;align-items:stretch;gap:10px}.upload-summary>div{min-height:46px;display:flex;flex-direction:column;justify-content:center;gap:3px;padding:8px 10px;background:var(--neutral-2);border:1px solid var(--neutral-4);border-radius:6px}.file-list,.activity-table{display:flex;flex-direction:column;border-top:1px solid var(--neutral-4)}.file-row,.activity-row,.activity-head,.empty-row{min-height:50px;display:grid;grid-template-columns:minmax(0,1fr) max-content;align-items:center;gap:12px;padding:12px 0;border-bottom:1px 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var(--neutral-4);border-radius:999px;background:var(--white);color:var(--text-muted);padding:0}.remove-file-button:hover:not(:disabled){border-color:var(--danger);color:var(--danger);background:#fff3f6}.activity-head{min-height:36px;color:var(--text-muted);font-size:12px}.activity-row{grid-template-columns:minmax(0,1fr) minmax(140px,max-content)}.activity-row>div:last-child{text-align:right;align-items:flex-end}.status-pill{min-width:78px;height:28px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;border:1px solid var(--neutral-4);background:var(--neutral-2);color:var(--text-muted);font-size:12px;font-family:var(--font-mono)}.status-pill.uploading{color:var(--blue);border-color:#bfc6ff;background:#f3f5ff}.status-pill.complete{color:var(--metric-dark);border-color:#b7d8bd;background:#eef8f0}.status-pill.error{color:var(--danger);border-color:#f0b7c7;background:#fff3f6}.error-line{padding:10px 12px;background:#fff3f6;border:1px solid #f0b7c7;border-radius:6px;color:var(--danger);font-size:13px;overflow-wrap:anywhere}.node-footer{display:flex;align-items:center;gap:8px;padding:12px 0 0;color:var(--text-muted);font-family:var(--font-mono);font-size:12px}@media(max-width:1040px){.app-shell{padding:20px 16px 28px}}@media(max-width:780px){.view-header,.header-actions{align-items:stretch;flex-direction:column}.header-actions,.header-actions button{width:100%}.content-grid,.upload-summary,.metric-grid{grid-template-columns:1fr}.content-grid{grid-template-areas:"upload" "left" "config"}.activity-row{grid-template-columns:1fr}.activity-row>div:last-child{text-align:left;align-items:flex-start}.primary-metric{align-items:flex-start;flex-direction:column}.primary-metric strong{font-size:32px}}