/* ============ tokens ============ */
:root{
  --pro:#ff4d4f; --auth:#ffb020; --cond:#4aa3ff; --none:#35c07f;
  --font:'Atkinson Hyperlegible Next',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --mono:'Atkinson Hyperlegible Mono',ui-monospace,'Cascadia Mono',Menlo,monospace;
  --r-ctl:8px; --r-panel:12px;
  --t-in:220ms; --t-out:150ms; --ease-out:cubic-bezier(.2,.8,.2,1);
  --safe-t:env(safe-area-inset-top,0px); --safe-b:env(safe-area-inset-bottom,0px);
  --safe-l:env(safe-area-inset-left,0px); --safe-r:env(safe-area-inset-right,0px);
}
html[data-theme="dark"]{
  --bg:#0e1116; --s1:#15181e; --s2:#1c2028; --s3:#262b34; --edge:#2e343e; --ctl-edge:#646f7e;
  --tx:#eef1f4; --tx2:#b3bcc8; --tx3:#8b98aa;
  --primary-bg:#eef1f4; --primary-tx:#0e1116; --focus:#eef1f4;
  --sel:#34404f; --err:#ff8a8c;
  color-scheme:dark;
}
html[data-theme="light"]{
  --bg:#eef1f4; --s1:#ffffff; --s2:#f1f3f6; --s3:#e3e7ec; --edge:#cfd5dd; --ctl-edge:#868f9c;
  --tx:#11151b; --tx2:#3d4654; --tx3:#5a6472;
  --primary-bg:#11151b; --primary-tx:#ffffff; --focus:#11151b;
  --sel:#cbd3de; --err:#c42b2d;
  color-scheme:light;
}

/* ============ base ============ */
*{box-sizing:border-box}
html,body{margin:0;overflow:hidden;overscroll-behavior:none;background:var(--bg)}
/* pinned to all four edges: iOS can't leave a gap below (see v1 black-box fix) */
body{position:fixed;inset:0;font:400 14px/1.45 var(--font);color:var(--tx);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
button,input,textarea{font:inherit;color:inherit}
button{cursor:pointer}
a{color:inherit}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.ic{width:20px;height:20px;display:block;flex:none}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:fixed;left:8px;top:-60px;z-index:3000;background:var(--primary-bg);color:var(--primary-tx);padding:10px 14px;border-radius:var(--r-ctl);text-decoration:none;font-weight:600}
.skip:focus{top:8px}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
/* browser surfaces carry the palette too */
::selection{background:var(--sel);color:var(--tx)}
html{scrollbar-color:var(--ctl-edge) transparent}
input,textarea{caret-color:var(--tx)}
.panel-body,.sheet-body,.suggest,.dialog{scrollbar-width:thin}
[hidden]{display:none!important}
#map{position:absolute;inset:0;background:var(--bg)}
#map:focus-visible{outline-offset:-4px}

/* ============ controls: one button template ============ */
/* every button-like control is a .btn (44px, control edge, 8px radius, 20px icons, 600 weight);
   modifiers: .primary (the one filled action in a view), .icon (square, icon only),
   .quiet (no border: close, call), .block (full-width row: text left, icon right) */
.btn{min-width:44px;min-height:44px;padding:6px 14px;display:inline-flex;align-items:center;justify-content:center;gap:8px;flex:none;border:1px solid var(--ctl-edge);border-radius:var(--r-ctl);background:var(--s1);color:var(--tx);font:600 14px/1.25 var(--font);text-align:left;text-decoration:none;cursor:pointer;transition:background var(--t-out)}
.btn .ic{width:20px;height:20px}
.btn:hover{background:var(--s2)}
.btn:active{background:var(--s3)}
/* opens a panel or menu: while it is open the face is raised and carries an underline mark */
.btn:not(.primary)[aria-expanded="true"]{background:var(--s3);box-shadow:inset 0 -2px 0 var(--tx)}
.btn.primary{background:var(--primary-bg);color:var(--primary-tx);border-color:var(--primary-bg)}
.btn.primary:hover{filter:brightness(.92)}
.btn.primary:active{filter:brightness(.85)}
.btn.icon{width:44px;height:44px;padding:0}
.btn.quiet{border-color:transparent;background:transparent}
.btn.quiet:hover{background:var(--s2)}
.btn.quiet:active{background:var(--s3)}
.btn.block{display:flex;width:100%;justify-content:space-between;padding:6px 12px}
.btn.block .ic{color:var(--tx2)}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.btn[disabled]:hover{background:var(--s1)}

/* ============ top bar + search ============ */
/* above the briefing and the panels, so the search suggestions always stack on top */
.bar{position:fixed;z-index:1250;display:flex;gap:8px;align-items:center}
.search{position:relative;flex:1;min-width:0;display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;border:1px solid var(--ctl-edge);border-radius:var(--r-ctl);background:var(--s1);color:var(--tx3)}
.search:focus-within{border-color:var(--tx2)}
#q{flex:1;min-width:0;align-self:stretch;height:100%;border:0;outline:0;background:transparent;color:var(--tx);font-size:16px}
#q::placeholder{color:var(--tx3);opacity:1}
#q::-webkit-search-cancel-button{display:none}
.suggest{position:absolute;left:-1px;right:-1px;top:calc(100% + 6px);margin:0;padding:4px;list-style:none;background:var(--s1);border:1px solid var(--edge);border-radius:var(--r-ctl);max-height:min(50vh,340px);overflow:auto;z-index:1100}
.suggest li{display:flex;align-items:center;gap:10px;min-height:44px;padding:6px 10px;border-radius:6px;color:var(--tx);cursor:pointer}
.suggest li[aria-selected="true"],.suggest li:hover{background:var(--s2)}
.suggest .mark{width:10px;height:10px;border-radius:2px;flex:none;background:var(--tx3)}
.suggest .kind{margin-left:auto;font-size:12px;color:var(--tx3);flex:none}
.suggest .nm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.suggest .empty{color:var(--tx3);cursor:default}

.rail-right{position:fixed;z-index:1000;display:flex;gap:8px}
.zoom-grp{display:flex}
.zoom-grp .btn:first-child{border-radius:var(--r-ctl) 0 0 var(--r-ctl)}
.zoom-grp .btn:last-child{margin-left:-1px;border-radius:0 var(--r-ctl) var(--r-ctl) 0}

/* ============ time chip: the active period, always on the map ============ */
/* a .btn like the Layers button above it; a period other than "now" carries a dot */
.time-chip{position:fixed;z-index:1000;min-width:0;justify-content:flex-start;padding:6px 10px 6px 12px;color:var(--tx2);font-variant-numeric:tabular-nums}
#timeChipText{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.time-chip .dot{display:none;width:8px;height:8px;flex:none;border-radius:50%;background:var(--tx)}
.time-chip .ic{color:var(--tx3)}
.time-chip.later{color:var(--tx)}
.time-chip.later .dot{display:block}
.time-chip .ic{transition:transform var(--t-in) var(--ease-out)}
.time-chip[aria-expanded="true"] .ic{transform:rotate(180deg)}
/* the chip's own drop-down (period, start, active count), directly under it; as wide as its
   content, never wider than 340px or the screen less its 8px margins */
.time-pop{position:fixed;z-index:1200;width:max-content;min-width:260px;max-width:min(340px,calc(100vw - 16px));overflow:auto;padding:0 12px 14px;background:var(--s1);border:1px solid var(--edge);border-radius:var(--r-panel);scrollbar-width:thin}
.pop-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-right:-8px;padding-top:4px}
.pop-head .sec{margin:0}
.time-pop .seg button{padding:0 10px}
.time-pop .hint{margin-top:10px}

/* ============ credit (Brickracing, must stay visible) ============ */
/* above Leaflet's controls (1000), below the top bar */
.credit{position:fixed;z-index:1005;gap:10px;padding:8px 12px;color:var(--tx2)}
.credit-lead{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--tx2)}
.credit img{display:block;height:17px;width:auto;filter:brightness(0) invert(1)}
html[data-theme="light"] .credit img{filter:none}

/* ============ panels (layers, menu) ============ */
.panel{position:fixed;z-index:1200;display:flex;flex-direction:column;background:var(--s1);border:1px solid var(--edge)}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 8px 8px 16px}
.panel-head h2{margin:0;font-size:16px;font-weight:700}
.panel-body{overflow:auto;padding:0 16px 20px;-webkit-overflow-scrolling:touch}
.sec{margin:20px 0 8px;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--tx3)}
.sec:first-child{margin-top:4px}
.hint{margin:6px 0 0;font-size:13px;color:var(--tx3)}
.prose{margin:8px 0;font-size:14px;line-height:1.55;color:var(--tx2)}
.prose.strong{color:var(--tx)}
.field{display:flex;flex-direction:column;gap:6px;margin-top:10px;font-size:13px;color:var(--tx2)}
.field input,.field textarea{width:100%;min-height:44px;padding:10px 12px;border:1px solid var(--ctl-edge);border-radius:var(--r-ctl);background:var(--s2);color:var(--tx);font-size:16px}
.field textarea{resize:vertical}
.field input:focus,.field textarea:focus{outline:2px solid var(--focus);outline-offset:0;border-color:transparent}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}

/* segmented radio groups */
.seg{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:4px;padding:4px;border-radius:var(--r-ctl);background:var(--s2)}
.seg button{min-height:44px;border:0;border-radius:6px;background:transparent;color:var(--tx2);font-size:13px;font-weight:600}
.seg button[aria-checked="true"]{background:var(--s3);color:var(--tx);box-shadow:inset 0 -2px 0 var(--tx)}

/* switches: state is a mark (tick in the track), not a hue */
.switch{display:flex;align-items:center;gap:12px;width:100%;min-height:48px;padding:6px 0;border:0;background:transparent;color:var(--tx);text-align:left;font-size:14px}
.switch-label{flex:1;display:flex;flex-direction:column;gap:2px}
.switch-label small{font-size:12px;color:var(--tx3)}
.switch .row{display:flex;align-items:center;gap:10px}
.switch .swatch{width:12px;height:12px;border-radius:3px;flex:none;background:var(--c)}
.switch .count{margin-left:auto;padding-right:4px;font-family:var(--mono);font-size:12px;color:var(--tx3)}
.track{position:relative;width:44px;height:26px;flex:none;border-radius:13px;background:var(--s3);transition:background var(--t-out);box-shadow:inset 0 0 0 1px var(--ctl-edge)}
.track::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:var(--tx3);transition:transform var(--t-in) var(--ease-out),background var(--t-out)}
.switch[aria-checked="true"] .track{background:var(--primary-bg);box-shadow:none}
.switch[aria-checked="true"] .track::after{transform:translateX(18px);background:var(--primary-tx)}
.switch[aria-checked="true"] .track::before{content:"";position:absolute;left:10px;top:8px;width:9px;height:7px;background:var(--primary-tx);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 9 7'%3E%3Cpath d='M1 3.6 3.4 6 8 1' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 9 7'%3E%3Cpath d='M1 3.6 3.4 6 8 1' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat}
.switch[aria-checked="false"] .swatch{opacity:.35}

.panel-body .btn.block{margin-top:12px}

/* ============ briefing sheet ============ */
.sheet{position:fixed;z-index:1150;display:flex;flex-direction:column;background:var(--s1);border:1px solid var(--edge)}
.sheet-body{overflow:auto;padding:4px 16px 20px;-webkit-overflow-scrolling:touch}
.sheet-close{position:absolute;top:6px;right:6px}
.grip{display:none}

.b-meta{display:flex;flex-wrap:wrap;gap:4px 12px;padding-right:44px;font-family:var(--mono);font-size:12.5px;color:var(--tx3)}
.b-object{margin:10px 0 2px;padding-right:44px}
/* mark + name is the heading line; the kind follows as a note (shape tells community from curated) */
.b-name{display:flex;align-items:flex-start;gap:10px;margin:4px 0 0;font-size:18px;font-weight:700;line-height:1.25}
.b-name .mk{width:12px;height:12px;margin-top:5px;flex:none;border-radius:3px;background:var(--c,var(--tx3))}
.b-name .mk.round{border-radius:50%}
.b-name .mk.diamond{width:10px;height:10px;margin:6px 1px 0;border-radius:1px;transform:rotate(45deg)}
.b-name .mk.ring{border-radius:50%;background:transparent;box-shadow:inset 0 0 0 2px var(--tx)}
.b-type{margin:2px 0 0 22px;font-size:13.5px;color:var(--tx3)}
.b-photo{display:block;width:100%;max-height:220px;object-fit:cover;margin-top:10px;border-radius:var(--r-ctl);background:var(--s2)}
.b-note{margin:8px 0 0;font-size:13.5px;color:var(--tx2)}
.b-verdict{display:flex;align-items:flex-start;gap:12px;margin:16px 0 4px}
.b-verdict .vm{width:14px;height:14px;margin-top:8px;border-radius:3px;flex:none;background:var(--c)}
.b-verdict h2{margin:0;font-size:26px;font-weight:700;line-height:1.15;letter-spacing:-.01em}
.b-sub{margin:0 0 0 26px;font-size:15px;color:var(--tx2)}
.b-caution{display:flex;gap:10px;align-items:flex-start;margin:12px 0 0;padding:10px 12px;border-radius:var(--r-ctl);background:var(--s2);font-size:14px;color:var(--tx)}
.b-caution .ic{color:var(--c,var(--tx));margin-top:1px}

.alt{margin:18px 0 6px}
.alt-strip{display:flex;height:28px;border-radius:6px;overflow:hidden;background:var(--s2)}
.alt-seg{position:relative;background:color-mix(in srgb,var(--c) 28%,transparent);box-shadow:inset 3px 0 0 var(--c)}
.alt-seg.free{background:transparent;box-shadow:none}
.alt-seg.aloft{background:repeating-linear-gradient(135deg,color-mix(in srgb,var(--c) 30%,transparent) 0 4px,transparent 4px 8px)}
.alt-scale{position:relative;height:18px;margin-top:4px;font-family:var(--mono);font-size:12px;color:var(--tx3);white-space:nowrap}
.alt-scale span{position:absolute;top:0}
.alt-scale .mid{transform:translateX(-50%);color:var(--tx2)}

.b-lines{list-style:none;margin:14px 0 0;padding:0;border-top:1px solid var(--edge)}
.b-line{border-bottom:1px solid var(--edge)}
/* one header line (letter, mark, name, band, chevron) on a 20px line box; the name may wrap under
   itself, the band stays on the first line; category · authority is the one line under the name.
   The row is 12px + 20px + 12px at the top, so a 44px call target centres on the first line */
.b-line>button{display:grid;grid-template-columns:minmax(18px,auto) 12px minmax(0,1fr) auto 16px;column-gap:8px;row-gap:2px;align-items:start;width:100%;min-height:44px;padding:12px 0;border:0;background:transparent;color:var(--tx);text-align:left}
.b-line .lt{grid-row:1;font-family:var(--mono);font-weight:600;line-height:20px;color:var(--tx2)}
.b-line .mk{grid-row:1;width:12px;height:12px;margin-top:4px;border-radius:3px;background:var(--c)}
.b-line .nm{grid-column:3;grid-row:1;font-size:14px;line-height:20px}
.b-line .nw{white-space:nowrap}
.b-line .gov{display:inline-block;margin-left:6px;vertical-align:-2px;color:var(--tx)}
.b-line .gov .ic{width:14px;height:14px}
.b-line .band{grid-column:4;grid-row:1;font-family:var(--mono);font-size:12px;line-height:20px;color:var(--tx2);white-space:nowrap;text-align:right}
.b-line .sub{grid-column:3/-1;grid-row:2;font-size:12.5px;line-height:1.35;color:var(--tx3)}
.b-line .chev{grid-column:5;grid-row:1;display:grid;place-items:center;height:20px;color:var(--tx3);transition:transform var(--t-in) var(--ease-out)}
.b-line .chev .ic{width:16px;height:16px}
.b-line>button[aria-expanded="true"] .chev{transform:rotate(180deg)}
.b-line.has-call{display:grid;grid-template-columns:minmax(0,1fr) 44px;column-gap:4px;align-items:start}
.b-line.has-call .b-line-detail{grid-column:1/-1}
/* double-check link to the neighbour's official map: a plain text link under category · authority,
   in the name column (46px = letter + mark + gaps); the padding gives the 24px+ tap area and the
   negative margin cancels the row button's bottom padding so there is no gap under the sub line */
.b-check{display:block;width:fit-content;max-width:100%;box-sizing:border-box;margin:-8px 0 0;padding:6px 0 8px 46px;font-size:12.5px;line-height:1.35;color:var(--tx2);text-decoration:underline;text-underline-offset:3px}
.b-check:hover{color:var(--tx)}
.b-line.has-call .b-check{grid-column:1}
.b-check-row{margin-top:14px}
.b-line-detail{padding:0 0 14px 46px;font-size:14px;color:var(--tx2)}
.b-line-detail h4{margin:10px 0 4px;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--tx3)}
.b-line-detail p{margin:0 0 6px;line-height:1.5}
.b-line-detail a{color:var(--tx);text-underline-offset:3px;overflow-wrap:anywhere}
/* contact and authority links: full 44px tap targets, side by side when they fit; the negative
   margins let the targets' padding overlap the text around them instead of spacing it out */
.b-line-detail .b-taps{display:flex;flex-wrap:wrap;column-gap:20px;margin:-8px 0 -4px}
.b-tap{display:inline-block;min-height:44px;padding:12px 0;line-height:20px;overflow-wrap:anywhere}
.b-auth+.b-auth{margin-top:8px}

.b-parcel{margin-top:14px;padding:12px;border-radius:var(--r-ctl);background:var(--s2);font-size:14px}
.b-parcel .b-name{margin:0;font-size:16px}
.b-parcel .b-name .mk{margin-top:4px}
/* one row at every width: Navigate grows; when the row is too narrow for every label the other
   actions keep only their icon (the .btn.icon face; the label stays for screen readers, the full
   name is the tooltip). The add action makes the row longer, so it narrows sooner */
.b-actions{display:flex;gap:8px;margin-top:18px;container-type:inline-size}
.b-actions .btn.primary{flex:1 1 auto;min-width:0}
@container (max-width:339px){
  .b-actions .btn:not(.primary){width:44px;padding:0}
  .b-actions .lbl{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
}
@container (max-width:459px){
  .b-actions:has([data-act="add"]) .btn:not(.primary){width:44px;padding:0}
  .b-actions:has([data-act="add"]) .lbl{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
}
@supports not (container-type:inline-size){
  .b-actions .btn:not(.primary){width:44px;padding:0}
  .b-actions .lbl{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
}
.nav-menu{display:grid;gap:6px;margin-top:8px}
.b-grz{margin-top:10px}
.b-foot{margin:18px 0 0;font-size:12.5px;color:var(--tx3)}

/* ============ map markers + leaflet ============ */
.mk-field{width:22px;height:22px;display:grid;place-items:center;border-radius:50%;background:var(--bg);border:2px solid var(--tx);color:var(--tx)}
.mk-field .ic{width:12px;height:12px}
.mk-tap{display:grid;place-items:center} /* a 44px transparent tap area around a spot's mark */
.mk-poi{width:12px;height:12px;transform:rotate(45deg);background:#ff6b9d;border:1.5px solid #fff}
.mk-community{width:14px;height:14px;border-radius:50%;background:#ffc24d;border:2px solid #fff}
.mk-here{width:18px;height:18px;border-radius:50%;border:3px solid var(--tx);background:transparent}
/* a neighbour's "show zones" button (veil.js): a plain .btn centred on its map point; the marker
   itself takes no pointer, the button does. Loading keeps its text readable (no fade), only the
   ink steps back */
.veil-btn{position:absolute;left:0;top:0;transform:translate(-50%,-50%);white-space:nowrap;pointer-events:auto}
.veil-btn .ic{color:var(--tx2)}
.veil-btn[aria-disabled="true"]{color:var(--tx2);cursor:progress}
.veil-btn[aria-disabled="true"]:hover,.veil-btn[aria-disabled="true"]:active{background:var(--s1)}
.leaflet-container{font:inherit;background:var(--bg)}
.leaflet-control-attribution{background:color-mix(in srgb,var(--s1) 85%,transparent)!important;color:var(--tx3)!important;font-size:12px!important;padding:2px 6px!important;border-radius:6px 0 0 0}
.leaflet-control-attribution a{color:var(--tx2)!important}
.leaflet-tooltip{background:var(--s1);color:var(--tx);border:1px solid var(--edge);box-shadow:none;font:13px var(--font)}
/* Leaflet draws the arrow white: it takes the tooltip's face */
.leaflet-tooltip-top:before{border-top-color:var(--s1)}
.leaflet-tooltip-bottom:before{border-bottom-color:var(--s1)}
.leaflet-tooltip-left:before{border-left-color:var(--s1)}
.leaflet-tooltip-right:before{border-right-color:var(--s1)}

/* ============ dialogs, toast ============ */
.scrim{position:fixed;inset:0;z-index:2000;background:rgba(4,6,9,.7)}
.dialog{position:fixed;z-index:2100;left:50%;top:50%;width:min(440px,calc(100% - 32px));max-height:calc(100% - 32px);overflow:auto;transform:translate(-50%,-50%);padding:20px;border:1px solid var(--edge);border-radius:var(--r-panel);background:var(--s1)}
.dialog h2{margin:0 0 8px;font-size:18px}
.dialog .actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}
.form-msg{min-height:20px;margin:8px 0 0;font-size:14px;color:var(--tx)}
.form-msg.err{color:var(--err)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.toast{position:fixed;z-index:2200;left:50%;transform:translateX(-50%);padding:10px 16px;border-radius:var(--r-ctl);background:var(--primary-bg);color:var(--primary-tx);font-weight:600}

/* no color-mix (iOS Safari < 16.2): tint via a pseudo-element instead */
@supports not (color:color-mix(in srgb,red,blue)){
  .alt-seg::before{content:"";position:absolute;inset:0;background:var(--c);opacity:.28}
  .alt-seg.free::before{display:none}
  .alt-seg.aloft::before{background:repeating-linear-gradient(135deg,var(--c) 0 4px,transparent 4px 8px);opacity:.3}
  .leaflet-control-attribution{background:var(--s1)!important}
}

/* ============ phone ============ */
@media (max-width:720px){
  .bar{top:calc(8px + var(--safe-t));left:calc(8px + var(--safe-l));right:calc(8px + var(--safe-r))}
  /* the suggestions span the whole bar (menu to Layers), not just the field: the fixed bar is their box */
  .search{position:static}
  .suggest{left:0;right:0}
  .rail-right{top:calc(60px + var(--safe-t));right:calc(8px + var(--safe-r));flex-direction:column}
  .zoom-grp{display:none} /* pinch */
  .time-chip{top:calc(60px + var(--safe-t));left:calc(8px + var(--safe-l));max-width:calc(100% - 76px - var(--safe-l) - var(--safe-r))}
  .time-pop{top:calc(110px + var(--safe-t));left:calc(8px + var(--safe-l));max-width:min(340px,calc(100vw - 16px - var(--safe-l) - var(--safe-r)));max-height:calc(100% - 118px - var(--safe-t))}
  /* the attribution is a slim full-width band on the bottom edge (it wraps; the safe area is its
     padding) and the credit sits directly above it: --attr-h is its live height (map.js) */
  .leaflet-bottom.leaflet-right{left:0}
  .leaflet-control-attribution{float:none!important;width:100%;white-space:normal;line-height:1.35;border-radius:0;padding:3px 8px calc(3px + var(--safe-b))!important}
  .credit{left:calc(8px + var(--safe-l));bottom:calc(var(--attr-h,24px) + 6px)}
  /* full-width panel and sheet: their content keeps clear of a landscape notch */
  .panel-head{padding-left:calc(16px + var(--safe-l));padding-right:calc(8px + var(--safe-r))}
  .panel-body{padding-left:calc(16px + var(--safe-l));padding-right:calc(16px + var(--safe-r))}
  .sheet-body{padding-left:calc(16px + var(--safe-l));padding-right:calc(16px + var(--safe-r))}
  .panel{left:0;right:0;bottom:0;max-height:80%;border-radius:14px 14px 0 0;border-width:1px 0 0;padding-bottom:var(--safe-b)}
  .sheet{left:0;right:0;bottom:0;height:calc(100% - 64px - var(--safe-t));border-radius:14px 14px 0 0;border-width:1px 0 0;padding-bottom:var(--safe-b);
    transform:translateY(calc(100% - var(--show)));transition:transform var(--t-in) var(--ease-out)}
  .sheet[data-snap="peek"]{--show:164px}
  /* the body scrolls only within the visible part, so every snap can reach the end */
  .sheet-body{max-height:calc(var(--show) - 44px - var(--safe-b))}
  .sheet[data-snap="half"]{--show:56dvh}
  .sheet[data-snap="full"]{--show:100%}
  .grip{display:grid;place-items:center;flex:none;width:calc(100% - 120px);margin:0 auto;height:44px;border:0;background:transparent;touch-action:none}
  .grip span{width:40px;height:5px;border-radius:3px;background:var(--tx3)}
  .sheet-close{top:0;right:calc(4px + var(--safe-r))}
  .b-verdict h2{font-size:24px}
  .toast{bottom:calc(20px + var(--safe-b))}
}
/* very narrow phones: the Layers button keeps its label, only its padding gives way */
@media (max-width:400px){
  #layersBtn{gap:6px;padding:6px 10px}
}
/* the narrowest phones: a mixed band ("0 AGL–" / "460 AMSL") stacks in its own column, still
   starting on the first line, so the name keeps a readable measure */
@media (max-width:360px){
  .b-line .band{white-space:normal;width:min-content}
  .b-line .band span span{white-space:nowrap}
}
/* ============ desktop ============ */
@media (min-width:721px){
  /* left column: bar, time chip, panels (never wider than the space left of the briefing);
     right column: rail, briefing. The two never meet, so panels and briefing can both stay open */
  /* a landscape phone's notch (safe-area-inset-left/right) moves the side columns inwards */
  .bar{top:14px;left:calc(14px + var(--safe-l));width:min(560px,calc(100% - 190px - var(--safe-l) - var(--safe-r)))}
  .rail-right{top:14px;right:calc(14px + var(--safe-r))}
  .time-chip{top:64px;left:calc(14px + var(--safe-l));max-width:min(340px,calc(100% - 432px - var(--safe-l) - var(--safe-r)))}
  /* in the left column where the panels drop down, clear of the briefing */
  .time-pop{top:114px;left:calc(14px + var(--safe-l));max-width:max(280px,min(340px,calc(100% - 432px - var(--safe-l) - var(--safe-r))));max-height:calc(100% - 186px)}
  .credit{left:calc(14px + var(--safe-l));bottom:14px}
  /* bottom-right on the credit's band, never wide enough to reach it */
  .leaflet-control-attribution{max-width:calc(100vw - 270px);white-space:normal}
  /* drops down under the chip; its bottom stays clear of the credit (bottom 14 + 44 + gap) */
  .panel{left:calc(14px + var(--safe-l));top:114px;width:min(340px,calc(100% - 432px - var(--safe-l) - var(--safe-r)));max-height:calc(100% - 186px);border-radius:var(--r-panel)}
  /* as tall as its content; scrolls inside only when it must; the attribution stays visible below */
  .sheet{top:70px;right:calc(14px + var(--safe-r));max-height:calc(100% - 100px);width:390px;border-radius:var(--r-panel);transform:translateX(0);transition:transform var(--t-in) var(--ease-out),opacity var(--t-in)}
  .sheet-body{padding-top:14px}
  .toast{top:74px}
}

/* ============ reduced motion: keep the state change, drop the travel ============ */
@media (prefers-reduced-motion:reduce){
  .sheet,.track::after,.b-line .chev,.btn,.time-chip .ic{transition:opacity 100ms linear!important}
}