/* Buttons, tabs, pills, cards, tables, forms, modal, charts. */
.btn { border: 1px solid var(--border-strong); background: var(--panel-2); color: var(--text); border-radius: var(--radius-sm); padding: 7px 12px; font-size: 13px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; text-decoration: none; }
.btn:hover:not(:disabled) { border-color: var(--accent); }
.btn.active, .btn[aria-pressed="true"] { background: var(--panel-3); border-color: var(--accent); color: var(--text); }
.btn-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 800; letter-spacing: .3px; }
.btn-primary:hover:not(:disabled) { filter: brightness(1.08); }
.btn-sm { padding: 4px 8px; font-size: 12px; }
.icon-btn { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); background: var(--panel); color: var(--text); font-size: 15px; padding: 0; }
.icon-btn:hover:not(:disabled), .icon-btn.active { border-color: var(--accent); background: var(--panel-3); }
.row { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.spacer { flex: 1; }

/* workspace tabs */
.wtabs { display: flex; gap: 4px; flex-wrap: wrap; align-items: center; min-width: 0; }
.wtab { border: 1px solid var(--border); background: var(--bg-2); color: var(--text-2); padding: 8px 12px; border-radius: var(--radius-sm); font-weight: 600; font-size: 13px; white-space: nowrap; display: inline-flex; align-items: center; gap: 6px; }
.wtab[aria-selected="true"] { background: var(--panel-3); color: var(--text); border-color: var(--accent); }
.wtab:hover { color: var(--text); border-color: var(--border-strong); }
.wtab-wrap { display: inline-flex; align-items: stretch; }
.wtab-wrap .wtab { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.wtab-x { border: 1px solid var(--border); border-left: 0; background: var(--bg-2); color: var(--muted); padding: 0 8px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: 14px; }
.wtab-x:hover { color: var(--text); background: var(--panel-2); }
.seg { display: inline-flex; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); overflow: hidden; }
.seg button { border: 0; background: var(--bg-2); color: var(--text-2); padding: 8px 12px; font-weight: 700; font-size: 13px; }
.seg button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }
.seg button + button { border-left: 1px solid var(--border-strong); }
.seg button:hover:not([aria-pressed="true"]) { color: var(--text); background: var(--panel-2); }
.seg button:focus-visible { outline-offset: -3px; }

/* labels */
.pill { display: inline-flex; align-items: center; gap: 4px; font-size: 10.5px; font-weight: 800; letter-spacing: .3px; padding: 2px 8px; border-radius: 100px; white-space: nowrap; border: 1px solid var(--border-strong); color: var(--text-2); }
.pill-warn, .statuspill { border-color: var(--warn); background: var(--warn-bg); color: var(--warn); }
.pill-sim { border-color: var(--sim); background: var(--sim-bg); color: var(--sim); }
.pill-ok { border-color: var(--good); color: var(--good); }
.pill-bad { border-color: var(--bad); color: var(--bad); }
.statuspill { display: inline-flex; font-size: 10.5px; font-weight: 800; padding: 2px 8px; border-radius: 100px; border: 1px solid var(--warn); }
.sim-banner { border: 1px dashed var(--sim); background: var(--sim-bg); color: #fde2b5; padding: 6px 10px; border-radius: var(--radius-sm); font-size: 12px; font-weight: 600; }
.notice { border-left: 3px solid var(--accent); background: var(--panel-2); padding: 8px 10px; border-radius: 6px; font-size: 12.5px; color: var(--text-2); margin: 8px 0; }
.notice-warn { border-left-color: var(--warn); }
.notice-bad { border-left-color: var(--bad); }
.empty-state { display: grid; place-items: center; text-align: center; height: 100%; padding: 30px; color: var(--text-2); }
.empty-state .big { font-size: 34px; color: var(--accent); margin-bottom: 6px; }
.empty-state h3 { color: var(--text); }

/* right panel */
.panel-h { font-size: 15px; font-weight: 750; margin: 0 0 8px; display: flex; align-items: center; gap: 8px; justify-content: space-between; }
/* block labels: sentence case, quiet (DESIGN_PLAN: no all-caps eyebrows; cyan is for selection only) */
.mini { font-size: 12px; font-weight: 600; color: var(--muted); margin: 14px 0 6px; text-wrap: balance; }
.note { font-size: 11.5px; line-height: 1.55; color: var(--muted); margin: 6px 0; }
.note.block { display: block; }
.warn-text { color: var(--warn); }
.field { display: grid; gap: 3px; font-size: 12px; color: var(--muted); margin: 6px 0; }
.field select, .field input[type=number], .field input[type=text], input.text, select.text { width: 100%; padding: 6px 8px; border-radius: 7px; border: 1px solid var(--border-strong); background: var(--bg-2); color: var(--text); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
input[type=range] { accent-color: var(--accent); width: 100%; }
input[type=checkbox] { accent-color: var(--accent); width: 15px; height: 15px; }
.checkrow { display: flex; align-items: center; gap: 8px; padding: 5px 0; font-size: 13px; }
.checklist { display: grid; gap: 2px; margin: 6px 0; }
.card { padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--panel-2); font-size: 12.5px; line-height: 1.6; margin: 8px 0; }
.card p { margin: 4px 0; color: var(--text-2); }
.kv { width: 100%; font-size: 12px; border-collapse: collapse; }
.kv th { text-align: left; font-weight: 500; color: var(--muted); padding: 2px 8px 2px 0; vertical-align: top; }
.kv td { text-align: right; font-variant-numeric: tabular-nums; padding: 2px 0; overflow-wrap: anywhere; }
.stat-pair { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 8px; margin: 6px 0; }
.stat { background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px; padding: 8px 10px; min-width: 0; }
.stat small { display: block; color: var(--muted); font-size: 11px; }
.stat strong { display: block; font-size: 20px; font-weight: 800; font-variant-numeric: tabular-nums; }
.unit { font-size: 12px; font-weight: 600; color: var(--muted); }
.stat-sub { display: block; font-size: 10.5px; color: var(--muted); overflow-wrap: anywhere; }
.metric { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 9px 12px; min-width: 0; }
.metric small { display: block; color: var(--muted); font-size: 11.5px; }
.metric strong { display: block; font-size: 15px; font-weight: 750; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.metric strong.accent { color: var(--accent); }
.badge { display: inline-block; font-size: 12px; padding: 3px 9px; border-radius: 8px; border: 1px solid var(--border); background: var(--panel-3); margin: 4px 0; }
.badge-warn { border-color: var(--warn); color: var(--warn); background: var(--warn-bg); }
.badge-good { border-color: var(--good); color: var(--good); }
.badge-bad { border-color: var(--bad); color: var(--bad); }
.level { font-size: 18px; font-weight: 800; }
.level-Thấp { color: var(--good); } .level-Trung { color: var(--warn); } .level-Cao { color: var(--bad); } .level-Chưa { color: var(--muted); }
table.data { width: 100%; border-collapse: collapse; font-size: 12.5px; }
table.data th, table.data td { text-align: left; padding: 7px 9px; border-bottom: 1px solid var(--border); vertical-align: top; }
table.data td { font-variant-numeric: tabular-nums; }
table.data th { background: var(--panel-2); color: var(--text-2); }
.table-scroll { overflow-x: auto; overscroll-behavior-x: contain; margin: 0 -2px; }
.table-scroll table { min-width: 460px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 10px; }
.callout { border-left: 3px solid var(--accent); background: var(--panel-2); padding: 8px 10px; border-radius: 6px; font-size: 12.5px; color: var(--text-2); }
.infoCard { padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--panel-2); font-size: 12.5px; line-height: 1.6; margin: 8px 0; }
.infoCard p { margin: 4px 0; color: var(--text-2); }
.actionRow { display: flex; gap: 8px; flex-wrap: wrap; }
.smallbtn { display: inline-block; border: 1px solid var(--border-strong); background: var(--panel-3); border-radius: var(--radius-sm); color: var(--text); padding: 6px 10px; font-size: 12px; font-weight: 600; text-decoration: none; overflow-wrap: anywhere; max-width: 100%; }
.smallbtn:hover { border-color: var(--accent); background: var(--panel-2); }
.confusion { font-size: 12px; width: 100%; border-collapse: collapse; }
.confusion th, .confusion td { border: 1px solid var(--border); padding: 4px 6px; text-align: center; }
.confusion .tp { color: var(--good); } .confusion .fp, .confusion .fn { color: var(--warn); }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; font-size: 12.5px; }
.checks li { display: flex; gap: 8px; }
.checks .good .check-icon { color: var(--good); } .checks .bad .check-icon { color: var(--bad); }

/* legend */
.legend { font-size: 12px; margin-top: 6px; }
.legend-items { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.legend-items li { display: flex; align-items: center; gap: 8px; }
.legend-code { font-family: var(--mono); font-size: 11px; color: var(--muted); min-width: 10px; }
.swatch { width: 18px; height: 12px; border-radius: 3px; flex: none; display: inline-block; border: 1px solid #0004; }
.swatch-transparent { background: repeating-linear-gradient(45deg, transparent 0 3px, var(--grid) 3px 5px); border: 1px dashed var(--muted); }
.ramp { height: 12px; border-radius: 4px; border: 1px solid var(--border); }
.ramp-labels { display: flex; justify-content: space-between; gap: 6px; font-size: 11px; margin-top: 2px; }
.legend-single { display: flex; gap: 8px; align-items: center; }

/* layer list (results screen) */
.layer-group { border-top: 1px solid var(--border); padding: 4px 0; }
.layer-group:first-child { border-top: 0; }
.layer-group > summary { cursor: pointer; font-weight: 700; padding: 6px 0; display: flex; justify-content: space-between; gap: 8px; }
.layer-group .count, summary .count { font-size: 10.5px; color: var(--muted); margin-left: 5px; }
.layer-row { padding: 5px 4px 5px 6px; border-radius: 8px; }
.layer-row.on { background: var(--panel-2); margin: 4px 0; }
.layer-head { display: flex; align-items: flex-start; gap: 8px; }
.layer-head input[type=checkbox] { margin-top: 2px; flex: none; }
.layer-title { flex: 1; min-width: 0; cursor: pointer; font-size: 12.5px; overflow-wrap: anywhere; }
.layer-date { display: block; font-size: 11px; color: var(--muted); }
.rangewrap { display: flex; gap: 9px; align-items: center; font-size: 12px; margin: 6px 0 2px 24px; color: var(--muted); }
.layer-row .legend, .layer-row .note, .layer-row .prov { margin-left: 24px; }
.prov { font-size: 11.5px; margin-top: 6px; }
.prov summary { cursor: pointer; color: var(--muted); }
.prov dl { display: grid; grid-template-columns: auto 1fr; gap: 2px 8px; margin: 6px 0; }
.prov dt { color: var(--muted); } .prov dd { margin: 0; overflow-wrap: anywhere; }

/* charts (SVG) */
.chart-fig { margin: 8px 0; position: relative; }
.chart { width: 100%; height: auto; display: block; overflow: visible; }
.chart .grid { stroke: var(--grid); stroke-width: 1; }
.chart-axis, .chart-label, .chart-value { fill: var(--text-2); font-size: 10.5px; }
.chart-value { fill: var(--text); }
.chart .bar.s1 { fill: var(--series-1); }
.chart .line.s1 { fill: none; stroke: var(--series-1); stroke-width: 2; stroke-linejoin: round; }
.chart .dot.s1 { fill: var(--series-1); stroke: var(--panel); stroke-width: 2; }
.chart .dot.s2.hollow { fill: var(--panel); stroke: var(--series-2); stroke-width: 2.5; }
.chart .whisker { stroke-width: 2; stroke-linecap: round; }
.chart .whisker.s1 { stroke: var(--series-1); } .chart .whisker.s2 { stroke: var(--series-2); }
.chart .hit { fill: transparent; }
.chart .bar-row:hover .hit, .chart .bar-row:focus .hit { fill: #22d3ee1a; }
.chart .crosshair { stroke: var(--muted); stroke-dasharray: 3 3; }
.chart-tip { position: absolute; top: 0; transform: translateX(-50%); background: var(--panel-3); border: 1px solid var(--border-strong); border-radius: 6px; padding: 3px 7px; font-size: 11px; pointer-events: none; white-space: nowrap; }
.chart-legend { display: flex; gap: 14px; font-size: 11.5px; color: var(--text-2); margin-bottom: 4px; flex-wrap: wrap; }
.chart-legend .key { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 5px; }
.chart-legend .key.s1 { background: var(--series-1); } .chart-legend .key.s2 { border: 2.5px solid var(--series-2); }
.chart-table summary { cursor: pointer; font-size: 11px; color: var(--muted); }
.chart-table table { font-size: 11px; margin-top: 4px; width: 100%; border-collapse: collapse; }
.chart-table th, .chart-table td { padding: 2px 6px; border-bottom: 1px solid var(--border); text-align: left; }

/* modal + toast */
.overlay { position: fixed; inset: 0; z-index: 9000; background: #020a14c0; display: grid; place-items: center; padding: 20px; }
.dialog { width: min(640px, 100%); max-height: calc(100vh - 40px); overflow-y: auto; background: var(--panel); border: 1px solid var(--border-strong); border-radius: 14px; padding: 20px 22px; box-shadow: var(--shadow); overscroll-behavior: contain; }
.dialog h2 { font-size: 18px; }
.steps { list-style: none; padding: 0; margin: 10px 0; display: grid; gap: 6px; }
.steps li { display: grid; grid-template-columns: 22px 1fr; gap: 8px; font-size: 13px; }
.steps .st { font-weight: 800; }
.st-ok { color: var(--good); } .st-bad { color: var(--bad); } .st-warn { color: var(--warn); } .st-run { color: var(--accent); } .st-wait { color: var(--muted); }
.progress { height: 10px; border: 1px solid var(--border-strong); border-radius: 10px; overflow: hidden; background: var(--bg-2); margin: 10px 0 4px; }
.progress > div { height: 100%; width: 100%; background: var(--accent); transform: scaleX(0); transform-origin: left center; transition: transform .3s; }
.logbox { max-height: 140px; overflow: auto; background: var(--bg-2); border: 1px solid var(--border); border-radius: 8px; font: 11px/1.45 var(--mono); padding: 6px 8px; color: var(--text-2); white-space: pre-wrap; }
.toast { position: fixed; z-index: 9999; bottom: 22px; left: 50%; transform: translateX(-50%) translateY(90px); padding: 11px 16px; border: 1px solid var(--accent); border-radius: 10px; background: var(--panel-3); max-width: calc(100vw - 32px); font-size: 13px; opacity: 0; transition: opacity .3s, transform .3s; pointer-events: none; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
/* exposure range tiles (low / middle / high) and the storyline panel */
.range-tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 8px; margin: 6px 0; }
.range-tiles .stat strong { font-size: 17px; }
.range-low { border-left: 3px solid #d7301f; }
.range-mid { border-left: 3px solid #fdae6b; }
.range-high { border-left: 3px solid #2a78d6; }
.story { display: grid; gap: 6px; margin: 6px 0 10px; }
.story-item { border-left: 3px solid var(--accent); background: var(--panel-2); padding: 6px 9px; border-radius: 6px; font-size: 12.3px; line-height: 1.5; }
.story-item.warn { border-left-color: var(--warn); }
.story-item b { display: block; font-size: 12.5px; margin-bottom: 2px; }
.ba-table td, .ba-table th { font-size: 11.5px; padding: 2px 4px; }
.ba-table .up { color: #1baf7a; } .ba-table .down { color: #eb6834; }