@charset "UTF-8";
:root { color-scheme: dark; --bg:#080e19; --panel:#101b2be6; --line:#243247; --text:#edf3fd; --muted:#a0b0c6; --accent:#50dec8; }
* { box-sizing:border-box; }
body { margin:0; font-family:"Segoe UI",Arial,sans-serif; background:var(--bg); color:var(--text); }
a { color:var(--accent); text-decoration:none; }
a:hover { color:#e1fff9; }
button, input, select { font:inherit; }
:focus-visible { outline:2px solid var(--accent); outline-offset:5px; }
[hidden] { display:none !important; }
.app { min-height:100vh; background:radial-gradient(ellipse at 48% 18%, #13233780, transparent 65%); }
.app-header { display:flex; align-items:center; justify-content:space-between; gap:24px; min-height:88px; padding:18px 3.2vw; border-bottom:1px solid var(--line); }
.brand { display:flex; align-items:center; gap:12px; font-size:14px; font-weight:700; letter-spacing:1.8px; color:var(--text); white-space:nowrap; }
.brand-mark { font-size:30px; color:var(--accent); }
nav { display:flex; gap:25px; }
nav a { color:var(--muted); font-size:14px; padding:13px 0; border-bottom:2px solid transparent; }
nav a.active { color:var(--text); border-color:var(--accent); }
.header-meta { display:flex; align-items:center; gap:20px; font-size:12px; }
.dataset-caption { color:var(--muted); max-width:160px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.upload-link { border:1px solid var(--line); padding:10px 14px; border-radius:7px; white-space:nowrap; }
.app-main { width:100%; max-width:1800px; margin:auto; padding:32px 3.2vw; min-height:calc(100vh - 155px); }
.eyebrow { color:var(--accent); font-size:10px; font-weight:650; letter-spacing:2.1px; line-height:1.7; }
h1,h2,h3,p { margin-top:0; }
h1 { font-size:32px; font-weight:550; letter-spacing:-1px; margin-bottom:20px; }
h2 { font-size:17px; font-weight:550; line-height:1.4; margin:14px 0; }
h3 { font-size:13px; font-weight:550; margin:24px 0 12px; }
p { font-size:14px; line-height:1.65; }
.muted { color:var(--muted); }
.small { font-size:12px; line-height:1.6; }
.panel { background:var(--panel); border:1px solid var(--line); border-radius:10px; padding:22px; }
.landing { max-width:1040px; margin:30px auto 0; }
.landing h1 { font-size:clamp(36px,4.3vw,60px); line-height:1.12; margin:18px 0 22px; font-weight:500; letter-spacing:-2px; }
.landing h1 span { color:var(--accent); }
.lead { color:var(--muted); font-size:17px; max-width:630px; }
.workflow { display:grid; grid-template-columns:repeat(3,1fr); gap:40px; margin:38px 0; }
.workflow p { color:var(--muted); font-size:13px; }
.step-number { color:var(--accent); font-size:11px; border-bottom:1px solid var(--line); padding-bottom:7px; }
.contract { display:grid; grid-template-columns:1fr 2fr; align-items:center; gap:30px; padding:18px 25px; }
.contract h3 { margin:0 0 12px; }
.contract pre { font-size:12px; line-height:1.6; margin:0; color:var(--muted); }
.contract code { font-size:12px; color:var(--text); overflow-wrap:anywhere; }
.contract p { margin-bottom:8px; }
#upload-region { max-width:1040px; margin:22px auto 0; }
.upload-zone { border:1px dashed #42635e; background:#11292350; border-radius:10px; cursor:pointer; padding:24px; text-align:center; transition:background .15s; }
.upload-zone:hover { background:#17393080; border-color:var(--accent); }
.upload-zone > div { display:flex; align-items:center; justify-content:center; flex-wrap:wrap; gap:14px; }
.upload-zone strong { font-size:16px; font-weight:550; }
.upload-icon { font-size:27px; color:var(--accent); }
.choose-file { color:var(--accent); font-size:13px; text-decoration:underline; }
.upload-zone small { color:var(--muted); font-size:12px; }
.error-message:not(:empty) { margin-top:15px; padding:16px; border:1px solid #874550; border-radius:8px; color:#ffd3d9; background:#321c25; white-space:pre-wrap; overflow-wrap:anywhere; }
.progress-panel { max-width:1040px; margin:0 auto 24px; border-color:#3a766d; }
.progress-panel h2 { font-size:22px; }
.filename { color:var(--muted); overflow-wrap:anywhere; }
progress { display:block; width:100%; height:9px; border:0; border-radius:9px; margin:22px 0 12px; accent-color:var(--accent); }
progress::-webkit-progress-bar { background:#243448; border-radius:9px; }
progress::-webkit-progress-value { background:var(--accent); border-radius:9px; }
.progress-count { font-variant-numeric:tabular-nums; margin-bottom:12px; }
.page-heading { display:flex; align-items:center; justify-content:space-between; gap:20px; }
.page-heading h1 { margin:7px 0 22px; }
.badge { border:1px solid var(--line); border-radius:5px; padding:7px 10px; font-size:9px; letter-spacing:1.4px; color:var(--muted); }
.metrics { display:grid; grid-template-columns:repeat(4,1fr); gap:12px; margin-bottom:22px; }
.metric { padding:15px 20px; }
.metric-label { color:var(--muted); font-size:12px; margin-bottom:7px; }
.metric-value { font-size:28px; letter-spacing:-1px; font-variant-numeric:tabular-nums; }
.metric-basis { color:var(--muted); font-size:10px; margin-top:5px; }
.overview-grid { display:grid; grid-template-columns:minmax(190px, .8fr) minmax(350px,2.65fr) minmax(250px,1fr); gap:18px; align-items:stretch; }
.controls { padding:22px 18px; }
.controls label { display:block; color:var(--muted); font-size:12px; margin:24px 0 10px; }
.controls .display-options label { margin:15px 0; }
.controls input { margin-right:9px; }
.controls .dash-dropdown { font-size:12px; }
.controls .Select-control { background:#172437 !important; color:var(--muted) !important; border-color:var(--line) !important; }
.controls .Select-value-label { color:var(--muted) !important; }
.secondary { width:100%; padding:11px; border:1px solid #334357; background:transparent; color:var(--muted); border-radius:6px; font-size:12px; margin:20px 0 12px; }
button:disabled { cursor:not-allowed; }
.viewport { position:relative; padding:0; min-height:540px; display:flex; flex-direction:column; background-color:#0b1422; background-image:linear-gradient(#26334730 1px,transparent 1px),linear-gradient(90deg,#26334730 1px,transparent 1px); background-size:36px 36px; }
.viewport-topline { display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; padding:22px; color:var(--muted); font-size:9px; letter-spacing:1.4px; }
.viewport-message { margin:auto; padding:35px; text-align:center; max-width:490px; }
.crosshair { color:#5d7c91; font-size:44px; font-weight:200; }
.viewport-message h2 { font-size:24px; font-weight:400; }
.viewport-message p { color:var(--muted); font-size:13px; }
.view-labels { font-size:11px; color:var(--accent); line-height:2; margin-top:25px; }
.view-labels span { color:#466177; padding:0 5px; }
.viewport-footer { text-align:center; font-size:9px; letter-spacing:2px; color:#7d91ab; padding:22px; }
.right-panels { display:flex; flex-direction:column; gap:18px; }
.right-panels .panel { padding:20px; }
.right-panels p { font-size:12px; }
.scientific-note { color:var(--muted); border-left:2px solid #496c87; padding-left:10px; margin:20px 0 0; font-size:11px !important; }
details { font-size:12px; line-height:1.8; }
summary { cursor:pointer; }
details ul { padding-left:18px; }
.error-counts { list-style:none; padding:0; margin:15px 0 0; }
.error-counts li { display:grid; grid-template-columns:7px 1fr auto; gap:9px; align-items:center; padding:10px 0; border-bottom:1px solid #203044; font-size:11px; color:#c0cddd; }
.error-counts li:last-child { border:0; }
.error-counts strong { color:var(--text); font-size:16px; font-weight:500; }
.swatch { width:6px; height:6px; border-radius:50%; }
.metric-notes { margin-top:20px; }
.deferred { max-width:900px; margin:60px auto; padding:45px; }
.deferred h1 { margin-top:15px; }
.app-footer { display:flex; justify-content:space-between; gap:20px; padding:20px 3.2vw; border-top:1px solid var(--line); font-size:10px; color:var(--muted); letter-spacing:.5px; }
@media(max-width:1150px) {
 .app-header { flex-wrap:wrap; gap:15px; }
 nav { order:3; width:100%; justify-content:center; }
 .overview-grid { grid-template-columns:200px 1fr; }
 .right-panels { grid-column:1 / -1; display:grid; grid-template-columns:1fr 1fr; }
 .viewport { min-height:450px; }
}
@media(max-width:650px) {
 .app-main { padding:22px 16px; }
 .app-header { padding:15px 16px; }
 .brand { font-size:11px; }
 .dataset-caption { display:none; }
 nav { justify-content:flex-start; gap:18px; overflow-x:auto; }
 nav a { white-space:nowrap; font-size:12px; }
 .workflow { grid-template-columns:1fr; gap:16px; margin:25px 0; }
 .contract { grid-template-columns:1fr; gap:20px; }
 .metrics { grid-template-columns:repeat(2,1fr); }
 .overview-grid { grid-template-columns:1fr; }
 .controls { order:2; }
 .viewport { order:1; min-height:360px; }
 .right-panels { order:3; grid-template-columns:1fr; }
 .badge { display:none; }
 .app-footer { flex-direction:column; gap:10px; }
 .upload-zone small { display:block; width:100%; }
}

/* Dash 4 disabled controls remain legible in the dark shell. */
.controls .dash-dropdown:disabled { background:#172437; border:1px solid #334357; color:var(--muted); opacity:1; width:100%; }
.controls .dash-dropdown-value-item, .controls .dash-dropdown-value-item span { color:var(--muted) !important; }
.controls .dash-options-list-option { display:flex; align-items:center; gap:8px; padding:0; background:transparent; }
.controls .dash-options-list-option-text, .controls .dash-options-list-option-text span { color:var(--muted) !important; opacity:1; }

/* Balanced Overview workspace: desktop first, with a single-column mobile fallback. */
.app-header { min-height:66px; padding:12px 22px; gap:18px; }
.brand { font-size:12px; letter-spacing:1.2px; gap:8px; }
.brand-mark { font-size:24px; }
nav { gap:18px; }
nav a { font-size:12px; padding:10px 0; }
.header-meta { gap:8px; min-width:0; }
.header-demo { width:270px; min-width:190px; }
.header-demo .dash-dropdown { font-size:12px; }
#demo-selector { width:100%; }
#demo-selector, #demo-selector button, #demo-selector input, #demo-selector [role="combobox"],
#demo-selector .Select-control, #demo-selector .Select-menu-outer { background:#132134 !important; color:#edf3fd !important; border-color:#34465d !important; }
#demo-selector .Select-value-label, #demo-selector .dash-dropdown-value-item, #demo-selector .dash-dropdown-value-item span { color:#edf3fd !important; }
#demo-selector .dash-dropdown-content, #demo-selector .dash-dropdown-options, #demo-selector [role="listbox"],
#demo-selector [role="option"] { background:#132134 !important; color:#edf3fd !important; }
#demo-selector [role="option"]:hover { background:#24453f !important; }
.demo-button, .upload-link { display:inline-flex; align-items:center; justify-content:center; height:36px; padding:0 12px; border-radius:6px; font-size:12px; white-space:nowrap; }
.demo-button { border:1px solid #3b756b; background:#173a33; color:#dcfff7; cursor:pointer; }
.demo-button:disabled { opacity:.45; cursor:not-allowed; }
.app-main { padding:10px 22px 20px; }
.active-dataset { display:flex; align-items:center; gap:10px; min-height:22px; margin-bottom:4px; }
.active-dataset:has(.dataset-caption:empty) { display:none; }
.dataset-caption { display:inline; max-width:none; color:#c6d4e5; font-size:12px; white-space:normal; overflow-wrap:anywhere; }
.page-heading h1 { font-size:26px; margin:0 0 12px; }
.metrics { grid-template-columns:repeat(4,minmax(0,1fr)) minmax(205px,1.1fr); gap:12px; margin-bottom:14px; }
.metric { padding:12px 18px; }
.metric-label { font-size:12px; margin-bottom:4px; }
.metric-value { font-size:27px; }
.corpus-card { padding:10px 16px; font-size:12px; color:var(--muted); line-height:1.5; }
.corpus-card strong { color:var(--text); font-size:14px; font-variant-numeric:tabular-nums; }
.overview-grid { grid-template-columns:210px minmax(0,1fr) 265px; gap:14px; align-items:start; }
.controls { padding:16px 14px; }
.controls h2 { font-size:16px; margin:5px 0 14px; }
.controls .view-choices label { display:flex; align-items:center; gap:10px; margin:0 0 7px; padding:10px 12px; border:1px solid #2c3c52; border-radius:6px; cursor:pointer; color:#c9d8ea; font-size:13px; background:#122035; }
.view-choices label:has(input:checked) { border-color:#50dec8; background:#163c37; color:#e7fff8; }
.controls input { accent-color:#50dec8; margin:0; }
.planet-toggles { margin-top:18px; }
.controls .planet-toggles label { display:flex; align-items:center; justify-content:flex-start; gap:9px; margin:9px 0; font-size:12px; cursor:pointer; }
.planet-toggles input { appearance:none; width:27px; height:15px; border-radius:12px; background:#344256; position:relative; flex-shrink:0; }
.planet-toggles input::after { content:""; position:absolute; height:11px; width:11px; left:2px; top:2px; border-radius:50%; background:#c5d2e0; }
.planet-toggles input:checked { background:#367f71; }
.planet-toggles input:checked::after { left:14px; background:#ccfff1; }
.secondary { margin:7px 0 0; padding:8px; cursor:pointer; color:#dce8f6; }
.mode-explanation { font-size:12px; line-height:1.55; margin:15px 0; }
.image-defects { border-top:1px solid var(--line); padding-top:14px; }
.defect-counts, .affected-characters { list-style:none; margin:7px 0; padding:0; }
.defect-counts li, .affected-characters li { display:flex; align-items:center; justify-content:space-between; gap:8px; padding:4px 0; font-size:12px; }
.defect-counts strong { color:#d4e5f4; font-weight:500; font-variant-numeric:tabular-nums; }
.image-defects p { margin:7px 0 0; font-size:11px; line-height:1.5; }
.viewport { min-width:0; min-height:0; overflow:hidden; background:#0b1422; background-image:none; box-shadow:inset 0 0 60px #153c5220; }
.visual-toolbar { min-height:38px; padding:10px 15px 0; display:flex; align-items:center; justify-content:space-between; gap:10px; }
.back-button { padding:5px 8px; background:#192d43; border:1px solid #45627e; color:#daecff; border-radius:5px; cursor:pointer; font-size:12px; }
.planet-stage { position:relative; display:grid; grid-template-columns:minmax(0,1fr) 64px; align-items:stretch; }
.planet-stage:has(#severity-scale[hidden]) { grid-template-columns:minmax(0,1fr); }
.graph-loading, .graph-loading > div { min-width:0; }
.overview-graph { height:480px; width:100%; }
.severity-scale { margin:54px 8px 33px 0; padding-left:10px; border-left:1px solid #54728a; display:flex; flex-direction:column; justify-content:space-between; color:#a3bad0; font-size:11px; }
.severity-scale b { font-size:11px; color:#d8e5f4; }
.severity-scale div:first-child b { color:#9ceee0; }
.severity-scale div:last-child b { color:#ffb0b8; }
.severity-scale span { display:block; font-size:10px; margin-top:3px; }
.visualization-note { padding:8px 14px 13px; margin:0; font-size:11px; line-height:1.5; text-align:center; }
.right-panels { display:flex; gap:10px; }
.right-panels .panel { padding:12px 14px; }
.right-panels h2 { font-size:14px; margin:5px 0 7px; }
.right-panels p { font-size:12px; line-height:1.5; margin-bottom:5px; }
.error-counts { margin:8px 0 0; }
.error-counts li { display:flex; justify-content:space-between; align-items:center; gap:8px; margin:4px 0; padding:5px 8px; border:0; border-left:3px solid var(--category-color); border-radius:3px; font-size:12px; }
.error-counts li:last-child { border-left:3px solid var(--category-color); }
.error-counts strong { font-size:16px; }
.character-counts { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:5px; margin:10px 0; }
.character-counts span { display:block; font-size:10px; color:#a0b0c6; }
.character-counts strong { font-size:16px; font-weight:500; }
.character-heading { font-size:9px; letter-spacing:1.2px; }
.affected-characters li { padding:2px 0; font-family:Consolas,monospace; }
.affected-characters strong { font-family:"Segoe UI",sans-serif; font-weight:500; }
.metric-notes { margin-top:12px; }
.empty-exploration { margin-top:20px; padding:24px; text-align:center; border:1px solid #243247; border-radius:10px; background:radial-gradient(ellipse,#16344455,transparent 70%); }
.empty-exploration h2 { margin:0 0 7px; font-weight:400; }
.empty-exploration p { margin:0; }
@media(min-width:1151px) { nav { order:initial; width:auto; } }
@media(max-width:1200px) {
 .app-header { flex-wrap:wrap; gap:10px; }
 nav { order:3; width:100%; justify-content:flex-start; }
 .header-meta { margin-left:auto; }
 .overview-grid { grid-template-columns:190px minmax(0,1fr) 235px; gap:10px; }
 .right-panels { grid-column:auto; display:flex; }
 .header-demo { width:265px; }
}
@media(max-width:960px) {
 .overview-grid { grid-template-columns:190px minmax(0,1fr); }
 .right-panels { grid-column:1 / -1; display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); }
 .metrics { grid-template-columns:repeat(4,minmax(0,1fr)); }
 .corpus-card { grid-column:1 / -1; display:flex; gap:20px; align-items:center; }
}
@media(max-width:650px) {
 .app-main { padding:12px; }
 .app-header { padding:12px; }
 .header-meta { width:100%; flex-wrap:wrap; margin:0; }
 .header-demo { width:100%; flex-basis:100%; }
 nav { gap:14px; }
 .overview-grid { grid-template-columns:minmax(0,1fr); }
 .controls { order:0; }
 .viewport { order:1; }
 .right-panels { order:2; grid-column:auto; grid-template-columns:minmax(0,1fr); }
 .view-choices { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:5px; }
 .controls .view-choices label { padding:8px 5px; font-size:11px; gap:4px; }
 .metrics { grid-template-columns:repeat(2,minmax(0,1fr)); }
 .corpus-card { flex-wrap:wrap; gap:8px 16px; }
 .overview-graph { height:450px; }
 .planet-stage { grid-template-columns:minmax(0,1fr) 49px; }
 .severity-scale { padding-left:5px; margin-right:3px; }
 .visual-toolbar .eyebrow { font-size:9px; letter-spacing:1px; }
 .active-dataset { align-items:flex-start; }
}

/* Keep the complete globe within the first desktop screen. */
.overview .page-heading h1 { margin-bottom:8px; font-size:24px; }
.overview .metric, .overview .corpus-card { padding-top:9px; padding-bottom:9px; }
.overview .metric-value { line-height:1.25; }
.overview .corpus-card { line-height:1.35; }
.planet-stage { background:radial-gradient(ellipse at 48% 50%, #25596e30 0%, #15344b20 35%, transparent 65%); }
.overview .controls .mode-explanation { margin:12px 0; font-size:11px; }
.overview .right-panels .insights p { margin-bottom:3px; }

/* Dash 4 renders its dropdown menu in a portal outside the header element. */
.dash-dropdown-content, .dash-dropdown-options, .dash-dropdown-popover,
.dash-dropdown [role="listbox"], [role="listbox"] { background:#132134 !important; color:#edf3fd !important; border-color:#34465d !important; }
.dash-dropdown-option, .dash-dropdown-option span, .dash-dropdown-option .dash-options-list-option-text { color:#edf3fd !important; }
.dash-dropdown-option { background:#132134 !important; }
.dash-dropdown-option.selected, .dash-dropdown-option:hover { background:#22483f !important; color:#dcfff6 !important; }
.planet-stage { min-height:480px; }