/* demo/css/components.css — shared demo pieces: headings, controls, notices, "The numbers" / "One possible
   explanation" boxes, evidence rows, charts, dialogs, drawers and toasts. */

/* ---- headings and layout */
.view { display: flex; flex-direction: column; gap: var(--s8); min-width: 0; }
.view > *, .two-col > *, .ov-grid > *, .oi > *, .board > *, .script-grid > * { min-width: 0; }
.view-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: var(--s4) var(--s6); }
.view-head h1 { font-size: clamp(30px, 4vw, 44px); font-weight: 600; }
.view-head .desc { margin-top: 8px; color: var(--ink-muted); font-size: var(--fs-lg); max-width: 52ch; }
.section-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: var(--s3); margin-bottom: var(--s4); }
.section-head h2 { font-size: var(--fs-xl); margin-top: 2px; }
.sub { font-size: var(--fs-lg); font-weight: 600; margin: var(--s4) 0 var(--s2); }
.label { display: inline-flex; align-items: center; gap: 8px; font: 600 var(--fs-md)/1.2 var(--font-display); }
.label .icon { color: var(--ink-muted); }
.two-col { display: grid; gap: var(--s8); grid-template-columns: 1fr; }
@media (min-width: 1180px) { .two-col { grid-template-columns: 1fr 1fr; } .two-col.wide-left { grid-template-columns: 1.4fr 1fr; } }
.lede { max-width: 70ch; }
.back { display: inline-flex; align-items: center; gap: 6px; align-self: flex-start; font: 700 var(--fs-sm)/1 var(--font-body); text-decoration: none; padding: 8px 12px 8px 8px; border-radius: var(--r-pill); }
.back:hover { background: var(--fog); }
.pager { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--s2); }
.prose p + p, .prose p + h3, .prose ul + p, .prose p + ul { margin-top: var(--s3); }
.prose h3 { font-size: var(--fs-lg); margin-top: var(--s5); }
.prose ul { padding-left: 20px; margin: 0; }
hr.rule { border: 0; border-top: 1.5px solid var(--ink-line); margin: 0; }

/* ---- form controls */
.range select, .search input, .form input, .form select, .form textarea {
  min-height: 40px; padding: 0 36px 0 14px; border: var(--line); border-radius: var(--r-sm);
  background: var(--panel); box-shadow: 0 2px 0 var(--ink); font: 600 var(--fs-sm)/1 var(--font-body);
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23292D34' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; max-width: 100%;
}
.search { position: relative; display: inline-flex; align-items: center; }
.search .icon { position: absolute; left: 12px; pointer-events: none; }
.search input { padding: 0 14px 0 36px; background-image: none; font-weight: 500; min-width: 200px; }
.form { display: grid; gap: var(--s4); }
.form label { display: grid; gap: 6px; font-weight: 700; font-size: var(--fs-sm); }
.form input, .form textarea { background-image: none; padding: 10px 14px; font-weight: 500; font-size: var(--fs-md); }
.form textarea { min-height: 90px; resize: vertical; }
.form fieldset { border: 1.5px solid var(--ink-line); border-radius: var(--r-md); padding: var(--s3) var(--s4); display: grid; gap: var(--s2); margin: 0; }
.form legend { font-weight: 700; padding: 0 4px; }
.form .radio { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; }
.form .radio input { min-height: 0; width: 18px; height: 18px; margin-top: 3px; accent-color: var(--ink); box-shadow: none; }
.toolbar { display: flex; flex-wrap: wrap; gap: var(--s2); }
.filter-bar { display: flex; flex-wrap: wrap; gap: var(--s2); }
.chip.filter { min-height: 36px; padding: 0 14px; border: 1.5px solid var(--ink-line); background: var(--panel); cursor: pointer; font-size: var(--fs-sm); transition: border-color 150ms, background-color 150ms; }
.chip.filter:hover { border-color: var(--ink); }
.chip.filter.on { border-color: var(--ink); box-shadow: 0 2px 0 var(--ink); }
.chip.filter.on:not([class*="state-"]) { background: var(--mint); }
.chip.filter.state-working.on { background: var(--state-working); }
.chip.filter.state-slipping.on { background: var(--state-slipping); }
.chip.filter.state-emerging.on { background: var(--state-emerging); }
.chip.filter.state-neutral.on { background: var(--state-neutral); }
.chip.filter.state-insufficient.on { background: var(--state-insufficient); background-image: var(--hatch); }
.chip.filter:not(.on) { background: var(--panel); background-image: none; }
.tabs { display: inline-flex; flex-wrap: wrap; gap: 4px; }

/* ---- notices and states */
.notice { display: flex; gap: 8px; align-items: flex-start; padding: var(--s3) var(--s4); border-radius: var(--r-md); background: var(--fog); font-size: var(--fs-sm); }
.notice.warn { background: var(--apricot); }
.period-note { display: flex; gap: 8px; align-items: flex-start; padding: var(--s3) var(--s4); border-radius: var(--r-md); background: var(--fog); font-size: var(--fs-sm); }
.period-note.warn { background: var(--apricot); }
.period-note .icon, .notice .icon { flex: none; margin-top: 3px; }
.backfill-label { display: flex; gap: 8px; align-items: flex-start; padding: var(--s3) var(--s4); border-radius: var(--r-md); background: var(--panel); background-image: var(--hatch); border: 1.5px solid var(--ink-line); font-size: var(--fs-sm); font-weight: 600; }
.backfill-label .icon { flex: none; margin-top: 3px; }
.error-state { padding: var(--s8); border-radius: var(--r-xl); background: var(--apricot); border: var(--line); display: grid; gap: var(--s4); justify-items: start; }
.error-state h2 { font-size: var(--fs-xl); }
.error-state.inline { grid-template-columns: 1fr auto; align-items: center; padding: var(--s5); }
@media (max-width: 640px) { .error-state.inline { grid-template-columns: 1fr; } }
.empty { display: grid; justify-items: center; gap: var(--s3); text-align: center; padding: var(--s10) var(--s4); border: 1.5px dashed var(--ink-line); border-radius: var(--r-xl); }
.empty h3 { font-size: var(--fs-xl); }
.empty-dot { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; background: var(--panel); border: var(--line); }
.insufficient { display: flex; gap: var(--s4); align-items: center; padding: var(--s4) var(--s5); border-radius: var(--r-lg); background: var(--fog); background-image: var(--hatch); border: var(--line); }
.insufficient strong { font: 600 var(--fs-lg)/1.2 var(--font-display); }
.ins-gauge { display: flex; gap: 5px; flex: none; }
.ins-gauge i { width: 14px; height: 34px; border-radius: 7px; border: var(--line); background: var(--panel); }
.ins-gauge i.on { background: var(--ink); }
.mult { font: 600 var(--fs-sm)/1.2 var(--font-display); }
.mult b { font-size: var(--fs-lg); }
.mult.none { color: var(--ink-muted); }
.pending { color: var(--ink-muted); font-size: var(--fs-sm); }

/* ---- "The numbers" / "One possible explanation": always two separate boxes (§5.9) */
.oi { display: grid; gap: var(--s4); grid-template-columns: 1fr; }
@media (min-width: 860px) { .oi { grid-template-columns: 1fr 1fr; } }
.oi-block { padding: var(--s5); border-radius: var(--r-lg); display: grid; gap: var(--s2); align-content: start; }
.oi-block.obs { background: var(--panel); border: var(--line); }
.oi-block.interp { background: transparent; border: 1.5px dashed var(--ink-muted); }
.oi-block.policy { background: var(--fog); border: 1.5px dashed var(--ink-muted); }
.oi-tag { display: inline-flex; align-items: center; gap: 6px; font: 600 var(--fs-sm)/1.2 var(--font-display); }
.oi.compact .oi-block { padding: var(--s4); font-size: var(--fs-sm); }

/* ---- evidence rows */
.ev-list { display: grid; gap: var(--s2); }
.ev-row {
  display: grid; grid-template-columns: auto 1fr auto; gap: var(--s4); align-items: center; width: 100%; padding: var(--s3);
  border: 1.5px solid var(--ink-line); border-radius: var(--r-lg); background: var(--panel); text-align: left;
  transition: border-color 150ms, transform var(--dur-press) ease-out, background-color 150ms;
}
.ev-row:hover, .ev-row.lit { border-color: var(--ink); }
.ev-row.lit { background: color-mix(in srgb, var(--mint) 45%, var(--panel)); }
.ev-row:active { transform: translateY(1px); }
.ev-main { display: grid; gap: 4px; min-width: 0; }
.ev-title { font: 600 var(--fs-md)/1.25 var(--font-display); }
.ev-meta { display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; font-size: var(--fs-sm); }
.ev-go { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--fog); }
@media (max-width: 560px) { .ev-row { grid-template-columns: auto 1fr; } .ev-row .thumb { width: 72px !important; } .ev-go { display: none; } }

/* ---- lists */
.mini-findings { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.mini-findings a, .mini-findings li > span:only-child { display: flex; justify-content: space-between; align-items: center; gap: var(--s3); padding: 10px 12px; border-radius: var(--r-md); text-decoration: none; font-weight: 600; }
.mini-findings.big li { display: flex; justify-content: space-between; align-items: center; gap: var(--s3); padding: 12px 0; border-bottom: 1.5px solid var(--ink-line); font-weight: 600; }
.mini-findings a:hover, .mini-findings a:focus-visible { background: var(--fog); }
.plain-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; font-size: var(--fs-sm); }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 8px var(--s4); margin: var(--s4) 0 0; font-size: var(--fs-sm); }
.facts dt { color: var(--ink-muted); }
.facts dd { margin: 0; font-weight: 600; }
.facts.big dd { font: 600 var(--fs-lg)/1.2 var(--font-display); }
.legend { display: inline-flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; font-size: var(--fs-xs); font-weight: 600; color: var(--ink-muted); }
.legend .lg { display: inline-block; width: 12px; height: 12px; border-radius: 50%; border: 1.5px solid var(--ink); margin-right: -8px; }
.lg.hist { background: var(--fog); } .lg.obs { background: var(--panel); } .lg.hi { background: var(--mint-deep); }
.lgk { display: inline-flex; align-items: center; gap: 6px; }
.lgk i { width: 12px; height: 12px; border-radius: 50%; border: 1.5px solid var(--ink); }
.t-accent i { background: var(--mint); } .t-violet i { background: var(--lilac); } .t-amber i { background: var(--apricot); } .t-base i { background: var(--fog); }

/* ---- meters, spinner, skeleton */
.meter { height: 12px; border-radius: var(--r-pill); background: var(--fog); overflow: hidden; }
.meter i { display: block; height: 100%; border-radius: var(--r-pill); background: var(--ink); transition: width 200ms var(--ease-settle); }
.meter.big { height: 16px; }
.spinner { width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--ink); border-right-color: transparent; animation: spin 700ms linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.skeleton { display: grid; gap: 10px; }
.skeleton i { height: 14px; border-radius: 7px; background: var(--fog); }

/* ---- charts (hand-built SVG) */
.chart { position: relative; max-width: 100%; overflow: hidden; }
.chart svg { overflow: visible; }
.chart .grid { stroke: var(--ink-line); stroke-width: 1; }
.chart .axis { fill: var(--ink-muted); font: 600 11px var(--font-body); }
.zone-hist { fill: url(#hatch); opacity: 1; }
.zone-obs { fill: transparent; }
.zone-label { font: 700 11px var(--font-body); fill: var(--ink-muted); }
.boundary { stroke: var(--ink); stroke-width: 2; stroke-dasharray: 6 5; }
.boundary-label { font: 600 12px var(--font-display); fill: var(--ink); }
.baseline-line { stroke: var(--ink); stroke-width: 1.5; stroke-dasharray: 2 4; }
.baseline-label { fill: var(--ink); font-weight: 700; }
.dot { cursor: pointer; outline: none; }
.dot .stem { stroke: var(--ink-line); stroke-width: 2; }
.dot circle { stroke: var(--ink); stroke-width: 1.5; transition: r 150ms; }
.dot.historical circle { fill: var(--fog); }
.dot.observed circle { fill: var(--panel); }
.dot.hi circle { fill: var(--mint-deep); }
.dot.lo { opacity: 0.4; }
.dot.focus circle, .dot:hover circle, .dot:focus-visible circle { r: 8; }
.dot.sel circle { stroke-width: 3; }
.chart-tip[hidden] { display: none; }
.chart-tip { position: absolute; z-index: 5; transform: translate(-50%, -100%); display: grid; gap: 2px; padding: 8px 10px; border-radius: var(--r-sm); background: var(--ink); color: var(--paper); font-size: var(--fs-xs); pointer-events: none; max-width: 220px; }
.bar-label { font: 600 13px var(--font-display); fill: var(--ink); }
.bar-note { font: 600 11px var(--font-body); fill: var(--ink-muted); }
.bar-track { fill: var(--fog); }
.bar { fill: var(--mint); stroke: var(--ink); stroke-width: 1.5; transform-box: fill-box; transform-origin: left; }
.bar.base { fill: var(--panel); } .bar.violet { fill: var(--lilac); } .bar.amber { fill: var(--apricot); } .bar.accent { fill: var(--mint); }
.bar-value { font: 600 13px var(--font-display); fill: var(--ink); }
.chart-retention .curve { fill: none; stroke: var(--ink); stroke-width: 2.25; stroke-linejoin: round; }
.chart-retention .curve.c1 { stroke: #7a69c9; } .chart-retention .curve.c2 { stroke: #c97a3a; } .chart-retention .curve.c3 { stroke: var(--ink-muted); }
.chart-retention .seg { fill: var(--mint); opacity: 0.7; }
.chart-retention .seg.pattern { fill: var(--apricot); }
.chart-retention .seg.focus { fill: var(--mint-deep); opacity: 0.7; }
.playhead { stroke: var(--ink); stroke-width: 2; }
.playhead-dot { fill: var(--panel); stroke: var(--ink); stroke-width: 2; }
.spark path { fill: none; stroke: var(--ink); stroke-width: 2; }

/* ---- dialogs, drawers, toasts */
.dialog-root, .drawer-root { position: fixed; inset: 0; z-index: 200; }
.scrim { position: absolute; inset: 0; background: rgba(41, 45, 52, 0.28); opacity: 0; transition: opacity 180ms; }
.open .scrim { opacity: 1; }
.closing .scrim { opacity: 0; }
.dialog-panel, .drawer-panel { position: absolute; background: var(--paper); border: var(--line); box-shadow: 0 4px 0 var(--ink); display: flex; flex-direction: column; max-height: calc(100vh - 32px); }
.dialog-panel { left: 50%; top: 50%; width: min(540px, calc(100vw - 32px)); border-radius: var(--r-xl); transform: translate(-50%, -47%); opacity: 0; transition: transform var(--dur-move) var(--ease-settle), opacity 160ms; }
.open .dialog-panel { transform: translate(-50%, -50%); opacity: 1; }
.closing .dialog-panel { opacity: 0; }
.drawer-panel { right: 12px; top: 12px; bottom: 12px; width: min(520px, calc(100vw - 24px)); border-radius: var(--r-xl); transform: translateX(24px); opacity: 0; transition: transform var(--dur-move) var(--ease-settle), opacity 160ms; max-height: none; }
.drawer-panel.wide { width: min(720px, calc(100vw - 24px)); }
.open .drawer-panel { transform: none; opacity: 1; }
.closing .drawer-panel { transform: translateX(24px); opacity: 0; }
.dialog-head, .drawer-head { display: grid; grid-template-columns: 1fr auto; gap: 4px var(--s3); padding: var(--s6) var(--s6) var(--s3); }
.dialog-head .eyebrow, .drawer-head .eyebrow { grid-column: 1; }
.dialog-head h2, .drawer-head h2 { grid-column: 1; font-size: var(--fs-2xl); }
.dialog-head .btn, .drawer-head .btn { grid-column: 2; grid-row: 1 / span 2; align-self: start; }
.dialog-body, .drawer-body { padding: 0 var(--s6) var(--s6); overflow-y: auto; }
.dialog-foot, .drawer-foot { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: var(--s3); padding: var(--s4) var(--s6) var(--s5); border-top: 1.5px solid var(--ink-line); }
@media (max-width: 560px) { .dialog-head, .drawer-head { padding: var(--s5) var(--s4) var(--s3); } .dialog-body, .drawer-body { padding: 0 var(--s4) var(--s5); } .dialog-foot, .drawer-foot { padding: var(--s3) var(--s4); } .dialog-head h2, .drawer-head h2 { font-size: var(--fs-xl); } }
.has-overlay { overflow: hidden; }
.toast-host { position: fixed; z-index: 260; left: 50%; bottom: 96px; transform: translateX(-50%); display: grid; gap: 8px; width: min(420px, calc(100vw - 32px)); }
@media (min-width: 1024px) { .toast-host { bottom: 24px; } }
.toast { display: flex; gap: 10px; align-items: center; padding: 12px 16px; border-radius: var(--r-md); background: var(--ink); color: var(--paper); font-weight: 600; animation: toastIn 260ms var(--ease-settle) both; }
.toast.error { background: var(--apricot); color: var(--ink); border: var(--line); }
.toast.out { opacity: 0; transform: translateY(6px); transition: opacity 240ms, transform 240ms; }
@keyframes toastIn { from { opacity: 0; transform: translateY(8px); } }

/* ---- welcome */
.welcome { display: grid; gap: var(--s3); }
.welcome-mark { display: grid; place-items: center; width: 76px; height: 76px; border-radius: var(--r-xl); background: var(--mint); border: var(--line); color: var(--ink); }