/* Yard Plot - a drafting table. Light: graph paper with blueprint-blue rules; dark: a blueprint on navy.
 * One accent (blueprint blue) for selection and primary actions; warm red only for broken rules. */
:root {
  --page: #eef2f7; --panel: #fbfcfe; --paper: #f8fafc; --ink: #15233a; --muted: #5a6b82; --line: #cfd9e6; --line-2: #b5c4d8;
  --grid-minor: #dbe5f2; --grid-major: #a9c0e0; --lot: #2b4a75; --accent: #1d5bc2; --accent-ink: #ffffff; --accent-soft: rgba(29, 91, 194, 0.12);
  --red: #c4402b; --red-soft: rgba(196, 64, 43, 0.13); --amber: #9a6a12; --ok: #2f7a4b;
  --hatch: #50637e; --house: #e3e8f0; --patio: #eef0f3; --path: #f1ede4; --bed: #efe7da; --shade: rgba(60, 82, 120, 0.10); --shed: #e6e1d8;
  --canopy: rgba(70, 112, 84, 0.07); --canopy-line: #3f6b50; --ever-line: rgba(63, 107, 80, 0.35);
  --mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --page: #0b1730; --panel: #0f1f3d; --paper: #10284d; --ink: #e4edfb; --muted: #9db1d1; --line: #24406b; --line-2: #2f5288;
  --grid-minor: #19365f; --grid-major: #2d5794; --lot: #cfe0ff; --accent: #7fb0ff; --accent-ink: #08142a; --accent-soft: rgba(127, 176, 255, 0.16);
  --red: #ff8a72; --red-soft: rgba(255, 138, 114, 0.16); --amber: #f0c060; --ok: #7fd4a0;
  --hatch: #9fbbe6; --house: rgba(207, 224, 255, 0.10); --patio: rgba(207, 224, 255, 0.06); --path: rgba(240, 220, 170, 0.07); --bed: rgba(214, 180, 130, 0.10); --shade: rgba(5, 12, 30, 0.35); --shed: rgba(207, 224, 255, 0.08);
  --canopy: rgba(150, 220, 180, 0.06); --canopy-line: #9fe0b8; --ever-line: rgba(159, 224, 184, 0.35);
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--page); color: var(--ink); font: 14px/1.45 var(--sans); }
a { color: var(--accent); }
.mono { font-family: var(--mono); }
.dim { color: var(--muted); }
.small { font-size: 12px; }
.hidden { display: none !important; }
.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
button, input, select, textarea { font: inherit; color: inherit; }

/* Top bar: a slim title block, like the corner stamp of a drawing */
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 16px; background: var(--panel); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; flex-wrap: wrap; }
.brand strong { font-family: var(--mono); letter-spacing: 0.04em; text-transform: uppercase; font-size: 15px; }
.brand .tag { font-family: var(--mono); font-size: 11px; color: var(--muted); border-left: 1px solid var(--line); padding-left: 10px; }
.backlink { font-size: 12px; text-decoration: none; color: var(--muted); }
.logo svg { display: block; }
.lg-frame { fill: none; stroke: var(--ink); stroke-width: 1.4; }
.lg-grid { stroke: var(--grid-major); stroke-width: 0.8; fill: none; }
.lg-plant { fill: var(--accent-soft); stroke: var(--accent); stroke-width: 1.4; stroke-dasharray: 2 1.5; }
.topactions { display: flex; align-items: center; gap: 8px; }
.credits { font-size: 12px; color: var(--muted); }
.topup { font-size: 12px; }

/* Buttons: hairline drafting style */
.tbtn { background: var(--panel); border: 1px solid var(--line-2); border-radius: 3px; padding: 4px 9px; cursor: pointer; font-size: 12.5px; line-height: 1.3; white-space: nowrap; }
.tbtn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.tbtn:disabled { opacity: 0.4; cursor: default; }
.tbtn.icon { min-width: 30px; font-size: 15px; padding: 2px 7px; }
.tbtn.quiet { border-style: dashed; }
.tbtn.danger:hover:not(:disabled) { border-color: var(--red); color: var(--red); }
.tbtn.small { font-size: 12px; padding: 3px 8px; }
.tbtn.primary, .primary { background: var(--accent); color: var(--accent-ink); border: 1px solid var(--accent); border-radius: 3px; cursor: pointer; font-weight: 600; }
.primary { padding: 8px 12px; }
.tbtn.primary:hover:not(:disabled), .primary:hover:not(:disabled) { filter: brightness(1.08); color: var(--accent-ink); }
.primary:disabled { opacity: 0.45; cursor: default; }
.tbtn.risky { border-color: var(--red); color: var(--red); }
.wide { width: 100%; }
.mono.tbtn, .tbtn.mono { font-family: var(--mono); }

/* Toolbar */
.toolbar { display: flex; flex-wrap: wrap; gap: 6px 14px; padding: 7px 16px; background: var(--panel); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.tgroup { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.tgroup + .tgroup { border-left: 1px solid var(--line); padding-left: 12px; }
.tlabel { font-family: var(--mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin-right: 2px; }
.tsel { display: inline-flex; align-items: center; gap: 4px; }
.tsel select { font-family: var(--mono); font-size: 12px; padding: 3px 4px; background: var(--panel); border: 1px solid var(--line-2); border-radius: 3px; }
.tcheck { font-size: 12px; color: var(--muted); display: inline-flex; gap: 4px; align-items: center; margin-left: 4px; }

/* Board: palette | canvas | side */
.board { display: grid; grid-template-columns: 200px minmax(0, 1fr) 360px; gap: 14px; padding: 14px 16px; align-items: start; }
.palette, .side { background: var(--panel); border: 1px solid var(--line); border-radius: 4px; padding: 12px; }
.palette { position: sticky; top: 56px; }
.ph { font: 600 10.5px/1.2 var(--mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin: 4px 0 8px; }
.ph .dim { text-transform: none; letter-spacing: 0; font-weight: 400; }
.kinds { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; margin-bottom: 14px; }
.kind { display: flex; align-items: center; gap: 6px; padding: 5px 6px; background: var(--paper); border: 1px solid var(--line); border-radius: 3px; cursor: pointer; font-size: 12px; text-align: left; }
.kind:hover { border-color: var(--accent); }
.sw { display: inline-block; width: 16px; height: 12px; border: 1px solid var(--hatch); flex: none; }
.sw-house { background: repeating-linear-gradient(-45deg, var(--house) 0 3px, var(--hatch) 3px 4px); }
.sw-patio { background: repeating-linear-gradient(45deg, transparent 0 3px, var(--hatch) 3px 3.6px), repeating-linear-gradient(-45deg, var(--patio) 0 3px, var(--hatch) 3px 3.6px); }
.sw-path { background: radial-gradient(var(--hatch) 0.8px, var(--path) 1px) 0 0 / 4px 4px; }
.sw-bed { background: radial-gradient(var(--hatch) 0.7px, var(--bed) 1px) 0 0 / 5px 5px; }
.sw-shed { background: repeating-linear-gradient(-45deg, var(--shed) 0 1.5px, var(--hatch) 1.5px 2.4px); }
.sw-utility { background: linear-gradient(45deg, transparent 46%, var(--hatch) 46% 54%, transparent 54%), linear-gradient(-45deg, var(--paper) 46%, var(--hatch) 46% 54%, var(--paper) 54%); }
.sw-shade { background: repeating-linear-gradient(-45deg, var(--shade) 0 4px, var(--muted) 4px 4.6px); border-style: dashed; }
.sw-screen { border: 0; height: 0; border-top: 2.5px dashed var(--accent); margin-top: 5px; }
.field { display: flex; flex-direction: column; gap: 3px; margin-bottom: 9px; font-size: 12px; color: var(--muted); }
.field span em { font-style: normal; opacity: 0.8; }
.field input, .field select, .field textarea, .titlein { background: var(--paper); color: var(--ink); border: 1px solid var(--line-2); border-radius: 3px; padding: 5px 7px; font-size: 13px; width: 100%; min-width: 0; }
.field input[type=number] { font-family: var(--mono); }
.field textarea { resize: vertical; }
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible, .planscroll:focus-visible, li:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.spinfo { font-size: 11.5px; line-height: 1.5; color: var(--muted); margin: 2px 0 10px; }
.spinfo .caution { color: var(--amber); }
.hint { font-size: 11.5px; color: var(--muted); margin: 10px 0 0; }

/* Canvas column */
.canvascol { min-width: 0; }
.planhead { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.titlein { font: 600 17px/1.2 var(--sans); background: transparent; border-color: transparent; border-bottom: 1px dashed var(--line-2); border-radius: 0; padding: 3px 2px; flex: 1 1 260px; }
.titlein:hover { border-bottom-color: var(--accent); }
.planscroll { overflow: auto; background: var(--paper); border: 1px solid var(--line-2); border-radius: 4px; max-height: 78vh; position: relative; }
.planscroll.drop { outline: 2px dashed var(--accent); outline-offset: -6px; }
.plan { display: block; width: 100%; height: auto; touch-action: none; user-select: none; -webkit-user-select: none; }
.statusline { font-size: 11.5px; color: var(--muted); padding: 6px 2px; border-bottom: 1px dashed var(--line); }
.totals { display: grid; grid-template-columns: repeat(auto-fit, minmax(118px, 1fr)); gap: 0; border: 1px solid var(--line); border-radius: 4px; margin: 10px 0; background: var(--panel); }
.tot { padding: 7px 10px; border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 1px; }
.tot:last-child { border-right: 0; }
.tk { font: 10px/1.2 var(--mono); text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted); }
.tv { font-size: 13px; }
.tot.has .tv { color: var(--red); }
.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 11.5px; color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.legend i { display: inline-block; }
.lg-c { width: 14px; height: 14px; border-radius: 50%; border: 1.2px dashed var(--canopy-line); background: var(--canopy); }
.lg-c.ever { background: repeating-linear-gradient(-45deg, var(--canopy) 0 2px, var(--ever-line) 2px 3px); }
.lg-bad { width: 14px; height: 10px; border: 2px solid var(--red); }
.lg-ghost { width: 14px; height: 14px; border-radius: 50%; border: 1.5px dashed var(--accent); background: var(--accent-soft); }
.lg-badge { font: 600 10px/14px var(--mono); width: 15px; height: 15px; text-align: center; color: #fff; background: var(--red); border-radius: 3px; font-style: normal; }

/* SVG plan styling - every paint comes from the theme tokens */
.plan .sheet { fill: var(--paper); }
.plan .grid line { stroke-width: 0.03; }
.plan .grid .minor { stroke: var(--grid-minor); }
.plan .grid .major { stroke: var(--grid-major); stroke-width: 0.06; }
.plan .lot { fill: none; stroke: var(--lot); stroke-width: 0.22; stroke-dasharray: 1.2 0.4 0.25 0.4; }
.plan .ruler .band { fill: var(--panel); stroke: var(--line); stroke-width: 0.05; }
.plan .ruler .tick { stroke: var(--muted); stroke-width: 0.06; }
.plan .rlabel, .plan .north { fill: var(--muted); font-family: var(--mono); }
.plan .north { font-weight: 700; fill: var(--accent); }
.plan .hl { stroke: var(--hatch); stroke-width: 0.07; fill: none; }
.plan .hl.thin { stroke-width: 0.05; }
.plan .hl.shade { stroke: var(--muted); stroke-width: 0.06; opacity: 0.7; }
.plan .hl.ever { stroke: var(--ever-line); stroke-width: 0.08; }
.plan .hd { fill: var(--hatch); opacity: 0.6; }
.plan .arrowhead { fill: var(--accent); }
.plan .it { cursor: grab; }
.plan .it .body { stroke: var(--ink); stroke-width: 0.12; }
.plan .k-house .body { stroke-width: 0.25; }
.plan .k-shade .body { stroke: var(--muted); stroke-width: 0.08; stroke-dasharray: 0.6 0.4; }
.plan .k-shade .body.full { stroke-width: 0.14; }
.plan .k-bed .body { stroke-dasharray: 0.5 0.25; }
.plan .k-utility .x { stroke: var(--ink); stroke-width: 0.1; }
.plan .k-screen .hit { fill: transparent; stroke: none; }
.plan .k-screen .body { stroke: var(--accent); stroke-width: 0.32; stroke-dasharray: 1.4 0.5 0.3 0.5; }
.plan .lbl { fill: var(--ink); font-family: var(--mono); pointer-events: none; }
.plan .lbl.mid { text-anchor: middle; }
.plan .k-plant .canopy { stroke: var(--canopy-line); stroke-width: 0.1; stroke-dasharray: 0.45 0.3; fill: var(--canopy); }
.plan .k-plant.c-tree .inner { fill: none; stroke: var(--canopy-line); stroke-width: 0.05; opacity: 0.5; }
.plan .k-plant .trunk { fill: var(--canopy-line); }
.plan .bad-warn .body, .plan .bad-warn .canopy { stroke: var(--red); stroke-dasharray: 0.5 0.3; }
.plan .bad-error .body, .plan .bad-error .canopy { stroke: var(--red); stroke-width: 0.22; }
.plan .bad-error .canopy, .plan .bad-warn .canopy { fill: var(--red-soft); }
.plan .k-screen.bad-warn .body { stroke: var(--red); }
.plan .sel .body, .plan .sel .canopy { stroke: var(--accent); stroke-width: 0.3; stroke-dasharray: none; }
.plan .handle { fill: var(--accent); cursor: nwse-resize; }
.plan .badge .bbox { fill: var(--red); }
.plan .badge.warn .bbox { fill: var(--panel); stroke: var(--red); stroke-width: 0.12; }
.plan .badge .bnum { fill: #fff; font-family: var(--mono); font-weight: 700; text-anchor: middle; pointer-events: none; }
.plan .badge.warn .bnum { fill: var(--red); }
.plan .badge { cursor: pointer; }
.plan .ghost .gshape { fill: var(--accent-soft); stroke: var(--accent); stroke-width: 0.16; stroke-dasharray: 0.6 0.35; }
.plan .ghost .gtrunk { fill: var(--accent); }
.plan .ghost .lead { stroke: var(--accent); stroke-width: 0.12; stroke-dasharray: 0.4 0.3; }
.plan .ghost .strike { stroke: var(--accent); stroke-width: 0.25; }
.plan .ghost .callout { fill: var(--accent); }
.plan .ghost .callnum { fill: var(--accent-ink); font-family: var(--mono); font-weight: 700; text-anchor: middle; pointer-events: none; }
.plan .ghost { cursor: pointer; }
.plan .ghost.breaks .gshape, .plan .ghost.breaks .lead { stroke: var(--red); }
.plan .ghost.breaks .callout { fill: var(--red); }
.plan .ghost.focus .gshape { stroke-width: 0.3; fill: var(--accent-soft); }
.plan .dims .dim { stroke: var(--accent); stroke-width: 0.07; }
.plan .dims .dim.reach { stroke-dasharray: 0.3 0.2; }
.plan .dims .dlabel { fill: var(--accent); font-family: var(--mono); }
.plan .dims .dlabel.mid { text-anchor: middle; }
.plan .dims .dlabel.end { text-anchor: end; }
.plan .pbg-house { fill: var(--house); } .plan .pbg-shed { fill: var(--shed); } .plan .pbg-patio { fill: var(--patio); } .plan .pbg-path { fill: var(--path); }
.plan .pbg-bed { fill: var(--bed); } .plan .pbg-shade { fill: var(--shade); } .plan .pbg-ever { fill: var(--canopy); } .plan .pbg-utility { fill: var(--paper); }
.plan .k-plant.ever .canopy { fill: url(#h-ever); }
.plan .k-utility .body { fill: var(--paper); }

/* Side: tabs and panes */
.side { position: sticky; top: 56px; max-height: calc(100vh - 70px); overflow: auto; padding-top: 0; }
.tabs { display: flex; gap: 0; border-bottom: 1px solid var(--line); margin: 0 -12px 12px; position: sticky; top: 0; background: var(--panel); z-index: 2; }
.tab { flex: 1; background: none; border: 0; border-bottom: 2px solid transparent; padding: 10px 4px 8px; cursor: pointer; font: 600 11px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted); }
.tab.on { color: var(--accent); border-bottom-color: var(--accent); }
.count { display: inline-block; min-width: 18px; padding: 1px 4px; border-radius: 8px; background: var(--line); color: var(--ink); font-size: 10.5px; letter-spacing: 0; }
.count.bad { background: var(--red); color: #fff; }
.pane h3 { font-size: 14px; margin: 0 0 10px; }
.pane h4, .result h4 { font: 600 10.5px/1.2 var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin: 14px 0 6px; }
.btnrow { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; margin: 6px 0; }
.fgroup h4 { margin-top: 10px; }
.flist { list-style: none; margin: 0; padding: 0; }
.finding { display: flex; gap: 8px; padding: 6px 4px; border-bottom: 1px dashed var(--line); font-size: 12.5px; cursor: pointer; }
.finding.flash { background: var(--red-soft); }
.finding.info { color: var(--muted); cursor: default; }
.fnum { flex: none; font-size: 10.5px; font-weight: 700; width: 18px; height: 18px; line-height: 18px; text-align: center; border-radius: 3px; background: var(--red); color: #fff; }
.finding.warn .fnum { background: var(--panel); color: var(--red); border: 1px solid var(--red); line-height: 16px; }
.none { color: var(--muted); font-size: 12.5px; list-style: none; padding: 4px 0; }
.rules { margin-top: 14px; font-size: 12px; color: var(--muted); }
.mini { margin: 0; padding-left: 18px; font-size: 12.5px; }
.mini li { margin: 3px 0; }

/* Review */
.runcard { border: 1px solid var(--line); border-radius: 4px; padding: 10px; background: var(--paper); }
.chip { display: inline-block; font-size: 11px; padding: 2px 7px; border: 1px solid var(--accent); color: var(--accent); border-radius: 10px; }
.note { font-size: 12.5px; color: var(--muted); margin: 8px 0; }
.warnnote { color: var(--amber); }
.meter { font-size: 11.5px; color: var(--muted); margin: 8px 0; }
.gate { font-size: 12.5px; margin: 8px 0; }
.progress { border: 1px solid var(--accent); border-radius: 4px; padding: 10px; margin-top: 12px; }
.progress h3 { margin: 0 0 4px; font-size: 14px; }
.steps { list-style: none; padding: 0; margin: 8px 0 0; font-size: 12.5px; }
.step { color: var(--muted); padding: 2px 0; }
.step.active { color: var(--accent); font-weight: 600; }
.step.done { color: var(--ink); }
.step-ic { display: inline-block; width: 14px; }
.result { margin-top: 14px; }
.reshead { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.reshead h3 { margin: 0; }
.headline { font-size: 14px; border-left: 3px solid var(--accent); padding: 4px 0 4px 10px; margin: 10px 0; }
.moves { list-style: none; padding: 0; margin: 0; }
.move { border: 1px solid var(--line); border-radius: 4px; padding: 8px; margin-bottom: 8px; background: var(--paper); cursor: pointer; }
.move.focus { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.move.st-breaks { border-color: var(--red); }
.move.st-accepted, .move.st-declined, .move.st-invalid { opacity: 0.72; }
.mhead { display: flex; gap: 8px; align-items: baseline; }
.mnum { flex: none; width: 20px; height: 20px; line-height: 20px; text-align: center; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-size: 11px; font-weight: 700; }
.move.st-breaks .mnum { background: var(--red); color: #fff; }
.mwhat { font-weight: 600; font-size: 13px; }
.mwhy { font-size: 12.5px; margin: 5px 0; }
.mtag { font-size: 11.5px; margin: 4px 0; font-family: var(--mono); }
.mtag.ok { color: var(--ok); }
.mtag.breaks, .mtag.invalid, .mtag.claim { color: var(--red); }
.mtag.accepted { color: var(--accent); }
.mtag.noop, .mtag.declined { color: var(--muted); }
.ok.mono { color: var(--accent); font-weight: 700; }
.assess { list-style: none; padding: 0; margin: 0; }
.as { padding: 6px 0; border-bottom: 1px dashed var(--line); }
.aarea { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; margin-right: 8px; }
.averdict { font-size: 11px; padding: 0 6px; border-radius: 8px; border: 1px solid var(--line-2); }
.v-fix .averdict { color: var(--red); border-color: var(--red); }
.v-good .averdict { color: var(--ok); border-color: var(--ok); }
.v-watch .averdict { color: var(--amber); border-color: var(--amber); }
.anote { margin: 4px 0 0; font-size: 12.5px; }
.aitems { margin: 2px 0 0; font-size: 11px; color: var(--muted); }
.recon { list-style: none; padding: 0; margin: 0; font-size: 12.5px; }
.recon li { padding: 3px 0 3px 16px; position: relative; }
.recon li::before { content: "●"; position: absolute; left: 0; font-size: 9px; top: 6px; }
.recon li.ok::before { color: var(--ok); } .recon li.warn::before { color: var(--red); }
.raw { white-space: pre-wrap; word-break: break-word; font: 11.5px/1.4 var(--mono); background: var(--paper); border: 1px solid var(--line); padding: 8px; max-height: 300px; overflow: auto; }

/* History, about, footer */
.historysec, .about { margin: 0 16px 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 4px; padding: 12px 14px; }
.histhead { display: flex; justify-content: space-between; align-items: center; }
.historysec h2, .about h2 { font: 600 11px/1.2 var(--mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin: 0; }
.history { list-style: none; padding: 0; margin: 8px 0 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 8px; }
.hbtn { width: 100%; text-align: left; background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: 8px 10px; cursor: pointer; display: flex; flex-direction: column; gap: 2px; }
.hbtn:hover { border-color: var(--accent); }
.htitle { font-weight: 600; }
.hmeta { font-size: 11px; color: var(--muted); }
.about p { font-size: 13px; max-width: 900px; }
.foot { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding: 12px 16px 24px; font-size: 12px; color: var(--muted); }
.toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 50; max-width: min(420px, calc(100vw - 32px)); }
.toast { background: var(--panel); border: 1px solid var(--line-2); border-left: 4px solid var(--accent); padding: 8px 12px; border-radius: 3px; font-size: 13px; box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12); transition: opacity 0.5s; }
.toast.err { border-left-color: var(--red); }
.toast.gone { opacity: 0; }
.printsheet { display: none; }

/* Narrow screens: canvas first, then the side, then the palette */
@media (max-width: 1100px) {
  .board { grid-template-columns: minmax(0, 1fr) 320px; }
  .palette { grid-column: 1 / -1; position: static; order: 3; }
  .kinds { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 760px) {
  .board { grid-template-columns: minmax(0, 1fr); padding: 10px 16px; }
  .side { position: static; max-height: none; order: 2; }
  .canvascol { order: 1; }
  .palette { order: 3; }
  .kinds { grid-template-columns: repeat(2, 1fr); }
  .toolbar { position: static; padding: 7px 16px; }
  .tgroup + .tgroup { border-left: 0; padding-left: 0; }
  .brand .tag { display: none; }
  .historysec, .about { margin: 0 16px 12px; }
  .planscroll { max-height: none; }
}

/* Print: only the plan sheet, on white */
@media print {
  body { background: #fff; color: #000; }
  body > *:not(.printsheet) { display: none !important; }
  .printsheet { display: block !important; font: 11px/1.35 var(--sans); color: #000; }
  .printsheet h1 { font-size: 18px; margin: 0 0 4px; }
  .printsheet h2 { font-size: 13px; margin: 12px 0 4px; }
  .printsheet .pfig img { width: 100%; max-height: 60vh; object-fit: contain; border: 1px solid #999; }
  .printsheet .ptable { width: 100%; border-collapse: collapse; margin-top: 8px; }
  .printsheet .ptable th, .printsheet .ptable td { border: 1px solid #bbb; padding: 2px 4px; text-align: left; font-size: 10px; }
  .printsheet ol { padding-left: 18px; margin: 0; }
}

/* Docs pages (api.html, tokens.html) */
.sep { color: var(--line-2); }
.muted { color: var(--muted); }
.doc { max-width: 940px; margin: 0 auto; padding: 24px 16px; }
.doc h1 { font: 700 clamp(22px, 4vw, 32px)/1.15 var(--mono); letter-spacing: -0.01em; margin: 0 0 14px; }
.doc h2 { font: 600 16px/1.3 var(--mono); margin: 30px 0 8px; border-bottom: 1px solid var(--line-2); padding-bottom: 4px; }
.doc h3 { margin-top: 20px; font-size: 14px; }
.doc pre { background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: 12px; overflow-x: auto; font: 12px/1.5 var(--mono); margin: 0 0 8px; max-width: 100%; }
.doc table { border-collapse: collapse; width: 100%; font-size: 13px; display: block; overflow-x: auto; }
.doc th, .doc td { border-bottom: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
.doc code { font: 12px var(--mono); background: var(--accent-soft); padding: 0 3px; border-radius: 3px; overflow-wrap: anywhere; }
.doc pre code { background: none; padding: 0; overflow-wrap: normal; }
.codegroup { margin: 8px 0 16px; }
.codegroup .tabs { display: flex; flex-wrap: wrap; gap: 2px; margin: 0 0 -1px; border: 0; position: static; background: none; }
.codegroup .tab { flex: none; background: var(--panel); border: 1px solid var(--line); border-bottom: 0; border-radius: 3px 3px 0 0; padding: 5px 10px; font: 12px/1.2 var(--mono); text-transform: none; letter-spacing: 0; color: var(--muted); }
.codegroup .tab.active { color: var(--accent); border-color: var(--accent); }
.statebox { background: var(--panel); border: 1px solid var(--line); border-radius: 4px; padding: 14px; }
.statebox p { margin: 4px 0; }
.tokenrow { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; align-items: center; }
.tokenrow .primary { width: auto; }
.tokenbox { font: 12px var(--mono); background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: 8px 12px; word-break: break-all; flex: 1; }
button.mini { border: 1px solid var(--line-2); background: var(--panel); border-radius: 3px; padding: 4px 10px; cursor: pointer; font-size: 13px; }
button.mini:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
button.mini:disabled { opacity: 0.45; cursor: default; }