:root {
  --ground: #E4E8E6; --panel: #F7F8F6; --ink: #131816; --ink-2: #525C57; --ink-3: #737D78;
  --line: #D0D6D2; --field: #FFFFFF; --hover: #EEF1EF;
  --accent: #B45C00; --accent-soft: #F5E4D0; --on-accent: #FFFFFF;
  --ok: #2F8A57; --danger: #B3261E; --danger-soft: #F8DFDC; --info-soft: #DCEAF1;
  --map: #262A28; --cam: #FFA826; --pole: #40C4FF;
  --shadow: 0 10px 30px rgba(15, 20, 18, .14), 0 1px 3px rgba(15, 20, 18, .08);
  --f-display: "Saira Semi Condensed", "Arial Narrow", system-ui, sans-serif;
  --f-body: "Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ground: #0E1110; --panel: #161A18; --ink: #E2E7E4; --ink-2: #9AA49F; --ink-3: #78827D;
    --line: #29302C; --field: #1D2220; --hover: #212724;
    --accent: #F2A23C; --accent-soft: #3A2A15; --on-accent: #1B1206;
    --ok: #5CC98A; --danger: #F2867E; --danger-soft: #3A1D1B; --info-soft: #14303D;
    --map: #0A0C0B;
    --shadow: 0 10px 30px rgba(0, 0, 0, .5), 0 1px 3px rgba(0, 0, 0, .4);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --ground: #0E1110; --panel: #161A18; --ink: #E2E7E4; --ink-2: #9AA49F; --ink-3: #78827D;
  --line: #29302C; --field: #1D2220; --hover: #212724;
  --accent: #F2A23C; --accent-soft: #3A2A15; --on-accent: #1B1206;
  --ok: #5CC98A; --danger: #F2867E; --danger-soft: #3A1D1B; --info-soft: #14303D;
  --map: #0A0C0B;
  --shadow: 0 10px 30px rgba(0, 0, 0, .5), 0 1px 3px rgba(0, 0, 0, .4);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body, #app { height: 100%; margin: 0; }
body { background: var(--ground); color: var(--ink); font: 14px/1.45 var(--f-body); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }
button, input, textarea, select { font: inherit; color: inherit; }
img { max-width: 100%; }
h1, h2, h3 { text-wrap: balance; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- shell ---------- */
.shell { height: 100%; display: grid; grid-template-rows: auto minmax(0, 1fr); }
.topbar {
  display: flex; align-items: center; gap: 20px; min-width: 0;
  padding: calc(10px + env(safe-area-inset-top, 0px)) 16px 10px;
  background: var(--panel); border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; font: 700 19px/1 var(--f-display); letter-spacing: .02em; flex: none; }
.logo .w { fill: var(--accent); }
.logo .c { fill: var(--ink); }
.crumbs { flex: 1; min-width: 0; display: flex; align-items: center; gap: 8px; font: 600 15px/1 var(--f-display); color: var(--ink-2); white-space: nowrap; }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--ink); }
.crumbs .sep { color: var(--ink-3); }
.crumb-cur { color: var(--ink); overflow: hidden; text-overflow: ellipsis; }
.nav { display: flex; align-items: center; gap: 2px; flex: none; }
.nav a { text-decoration: none; font: 600 13px/1 var(--f-display); letter-spacing: .07em; text-transform: uppercase; color: var(--ink-2); padding: 9px 10px; border-radius: 3px; }
.nav a:hover { background: var(--hover); color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); box-shadow: inset 0 -2px 0 var(--accent); border-radius: 3px 3px 0 0; }
.nav .who { display: inline-flex; align-items: center; gap: 8px; text-transform: none; letter-spacing: 0; font-size: 14px; margin-left: 6px; }
.avatar { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--accent-soft); color: var(--ink); font: 700 11px/1 var(--f-display); letter-spacing: .04em; }

/* ---------- pages ---------- */
.page { overflow: auto; padding-inline: 16px; padding-block: 32px 56px; }
.page > * { max-width: 1080px; margin-inline: auto; }
.page.narrow > * { max-width: 580px; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 22px; }
h1 { margin: 0; font: 700 34px/1.05 var(--f-display); letter-spacing: .005em; }
.h2 { margin: 0 0 2px; font: 700 19px/1.2 var(--f-display); }
.lede { margin: 6px 0 0; color: var(--ink-2); max-width: 62ch; text-wrap: pretty; }
.note { margin: 0; color: var(--ink-2); font-size: 13px; text-wrap: pretty; }
.pad { padding: 16px; }
.subtle { color: var(--ink-3); font-size: 12.5px; }
.warn-text { color: var(--accent); }
.mono { font-family: var(--f-mono); font-size: 12.5px; font-variant-numeric: tabular-nums; }
.clip { display: inline-block; max-width: 28ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; vertical-align: bottom; }
.empty { background: var(--panel); border: 1px dashed var(--line); border-radius: 4px; padding: 28px; color: var(--ink-2); }
.empty strong { color: var(--ink); }

.table-wrap { overflow-x: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 4px; }
.table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.table th { text-align: left; font: 600 11.5px/1 var(--f-display); letter-spacing: .09em; text-transform: uppercase; color: var(--ink-3); padding: 12px 14px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.table td { padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table tbody tr:last-child td { border-bottom: 0; }
.table .num { text-align: right; }
.table tr.link { position: relative; }
.table tr.link:hover { background: var(--hover); }
.table tr.link:has(.plink:focus-visible) { outline: 2px solid var(--accent); outline-offset: -2px; }
.plink { font-weight: 600; font-size: 15px; text-decoration: none; }
.plink::after { content: ""; position: absolute; inset: 0; }
.plink:focus-visible { outline: none; }
.table td.actions { text-align: right; width: 1%; white-space: nowrap; }

/* ---------- forms ---------- */
.panel-form { background: var(--panel); border: 1px solid var(--line); border-radius: 4px; padding: 20px; display: grid; gap: 8px; margin-bottom: 22px; }
.form { display: grid; gap: 8px; }
.form label, .panel-form label, .pwreset label { font: 600 12px/1.2 var(--f-display); letter-spacing: .07em; text-transform: uppercase; color: var(--ink-2); margin-top: 6px; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 4px 16px; }
.grid2 > div { display: grid; gap: 8px; align-content: start; }
.hint { margin: 0; font-size: 12.5px; color: var(--ink-3); }
.form-error { margin: 0; color: var(--danger); font-size: 13px; }
.row-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 6px; }
.copyrow { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; align-items: center; }

.inp { font: 500 13px var(--f-mono); font-variant-numeric: tabular-nums; background: var(--field); color: var(--ink); border: 1px solid var(--line); border-radius: 3px; padding: 7px 8px; width: 100%; min-width: 0; }
.form .inp, .panel-form .inp, .sb-form .inp, .copyrow .inp { font: 400 14px var(--f-body); }
.inp.lg { padding: 10px 11px; font-size: 15px; }
.inp:disabled { opacity: .55; }
textarea.inp { resize: vertical; }
input[type=range] { accent-color: var(--accent); width: 100%; margin: 0; }
input[type=range]:disabled { opacity: .45; }

.btn { font: 600 13px/1 var(--f-display); letter-spacing: .05em; text-transform: uppercase; border: 1px solid var(--line); background: var(--field); color: var(--ink); padding: 9px 11px; border-radius: 3px; cursor: pointer; display: inline-flex; gap: 8px; align-items: center; justify-content: center; text-decoration: none; white-space: nowrap; }
.btn:hover { background: var(--hover); }
.btn:disabled { opacity: .55; cursor: default; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn.primary:hover:not(:disabled) { filter: brightness(1.07); }
.btn.danger { color: var(--danger); }
.btn.sm { padding: 6px 8px; font-size: 12px; }
.btn.lg { padding: 12px 14px; font-size: 14px; margin-top: 8px; }
.btn svg { flex: none; }
.btn:focus-visible, .inp:focus-visible, input[type=range]:focus-visible, .row:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.btns { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

.chip { display: inline-block; font: 600 10.5px/1 var(--f-display); letter-spacing: .08em; text-transform: uppercase; padding: 4px 6px 3px; border-radius: 2px; border: 1px solid currentColor; color: var(--ink-2); }
.chip.est { color: var(--accent); }
.chip.ok { color: var(--ok); }

.rowmenu { position: relative; display: inline-block; }
.rowmenu summary { list-style: none; }
.rowmenu summary::-webkit-details-marker { display: none; }
.rowmenu .menu { position: absolute; right: 0; top: calc(100% + 6px); z-index: 20; width: 260px; background: var(--panel); border: 1px solid var(--line); border-radius: 4px; box-shadow: var(--shadow); padding: 12px; display: grid; gap: 10px; text-align: left; white-space: normal; }
.pwreset { display: grid; gap: 6px; }

/* ---------- auth ---------- */
.auth { min-height: 100%; display: grid; grid-template-columns: minmax(0, 500px) minmax(0, 1fr); }
.auth-card { padding: 40px clamp(16px, 5vw, 60px); display: flex; flex-direction: column; justify-content: center; gap: 22px; background: var(--panel); border-right: 1px solid var(--line); }
.auth-copy h1 { font-size: 40px; }
.auth .form { max-width: 380px; }
.switch { margin: 0; color: var(--ink-2); }
.switch a { color: var(--accent); font-weight: 600; }
.auth-art { background: var(--map); display: grid; place-items: center; align-content: center; gap: 18px; overflow: hidden; padding: 24px; }
.auth-art svg { width: min(520px, 88%); height: auto; }
.art-cap { margin: 0; font: 500 11.5px var(--f-mono); color: #9AA49F; letter-spacing: .02em; }

/* ---------- workspace ---------- */
.workspace { display: grid; grid-template-columns: minmax(0, 1fr) 360px; min-height: 0; }
.side { background: var(--panel); border-left: 1px solid var(--line); display: flex; flex-direction: column; min-height: 0; }
.tabs { display: flex; border-bottom: 1px solid var(--line); padding-inline: 8px; flex: none; }
.tabs button { all: unset; cursor: pointer; padding: 11px 10px 10px; font: 600 13px/1 var(--f-display); letter-spacing: .07em; text-transform: uppercase; color: var(--ink-3); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs button:hover { color: var(--ink); }
.tabs button[aria-selected="true"] { color: var(--ink); border-color: var(--accent); }
.tabs button:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.tabpanel { overflow: auto; min-height: 0; flex: 1; }

.savebar { padding: 12px 16px; border-bottom: 1px solid var(--line); display: grid; gap: 8px; flex: none; }
.savebar.dirty { background: var(--accent-soft); }
.savebar.conflict { background: var(--danger-soft); }
.savebar.preview { background: var(--info-soft); }
.sb-line { display: flex; justify-content: space-between; gap: 10px; align-items: baseline; }
.sb-state { font: 700 14px/1.2 var(--f-display); letter-spacing: .05em; text-transform: uppercase; display: inline-flex; align-items: center; gap: 7px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); flex: none; }
.dirty .dot { background: var(--accent); }
.sb-meta { font: 400 11.5px/1.4 var(--f-mono); color: var(--ink-2); text-align: right; }
.sb-help { margin: 0; font-size: 12.5px; color: var(--ink-2); }
.sb-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.sb-form { display: grid; gap: 8px; }
.sb-changes summary { cursor: pointer; font-size: 12.5px; color: var(--ink-2); width: max-content; }
.sb-changes ul { margin: 6px 0 0; padding-left: 18px; font-size: 12.5px; max-height: 150px; overflow: auto; }

.log-head { padding: 14px 16px 4px; display: grid; gap: 6px; }
.log { list-style: none; margin: 0; padding: 10px 16px 28px 20px; }
.rev { position: relative; padding: 4px 0 18px 20px; border-left: 2px solid var(--line); display: grid; gap: 6px; }
.rev:last-child { border-left-color: transparent; }
.rev::before { content: ""; position: absolute; left: -7px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--panel); border: 2px solid var(--ink-3); }
.rev.current::before { background: var(--accent); border-color: var(--accent); }
.rev.previewing::before { background: var(--pole); border-color: var(--pole); }
.rev.previewing .rev-head .ver { background: var(--info-soft); }
.rev-head { display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.ver { font: 500 12px var(--f-mono); padding: 1px 4px; border-radius: 2px; }
.who { font-weight: 600; }
.rev-head time { font: 400 11.5px var(--f-mono); color: var(--ink-3); margin-left: auto; }
.chips { display: flex; gap: 6px; }
.rev-note { margin: 0; font-size: 13px; }
.rev-changes { margin: 0; padding-left: 16px; font-size: 12.5px; color: var(--ink-2); }
.rev-more summary { cursor: pointer; font-size: 12px; color: var(--ink-3); width: max-content; }
.rev-actions { display: flex; gap: 6px; }
.rev-actions:empty { display: none; }

.members { list-style: none; margin: 0; padding: 0; }
.members li { display: flex; justify-content: space-between; gap: 10px; align-items: center; padding: 8px 0; border-top: 1px solid var(--line); }
.members li:first-child { border-top: 0; }
.m-info { min-width: 0; }
.m-email { font-weight: 600; overflow-wrap: anywhere; }
.danger-zone .eyebrow { color: var(--danger); }

/* ---------- editor panel ---------- */
.fs { border: 0; margin: 0; padding: 0; min-width: 0; }
.sec { border-top: 1px solid var(--line); padding: 14px 16px; display: grid; gap: 10px; }
.tabpanel > :first-child, .tabpanel > .fs:first-child > .sec:first-child { border-top: 0; }
.eyebrow { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; margin: 0; font: 600 12px/1 var(--f-display); letter-spacing: .09em; text-transform: uppercase; color: var(--ink-2); }
.eyebrow span { font: 400 11px var(--f-mono); letter-spacing: 0; text-transform: none; color: var(--ink-3); }
.sub { margin: 0; font: 400 11px/1.5 var(--f-mono); color: var(--ink-2); font-variant-numeric: tabular-nums; }
.scale-read { margin: 0; font: 500 13px var(--f-mono); }
.cal-box { display: grid; gap: 10px; }
.field { display: grid; grid-template-columns: 62px minmax(0, 1fr) 66px; align-items: center; gap: 10px; }
.field label { font: 600 12px var(--f-display); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2); }
.name-row { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 10px; align-items: center; }
.readout { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; font: 400 12px/1.4 var(--f-mono); font-variant-numeric: tabular-nums; margin: 0; }
.readout dt { color: var(--ink-3); }
.readout dd { margin: 0; color: var(--ink); }
.list { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.row { all: unset; box-sizing: border-box; width: 100%; display: grid; grid-template-columns: 12px minmax(0, 1fr) auto; gap: 10px; align-items: center; padding: 7px 8px; border-radius: 3px; cursor: pointer; }
.row:hover { background: var(--hover); }
.row.on { background: var(--accent-soft); }
.row .nm { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .meta { font: 400 11.5px var(--f-mono); color: var(--ink-2); font-variant-numeric: tabular-nums; }
.sw { width: 11px; height: 11px; border-radius: 50%; background: var(--cam); box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .35); }
.sw.pole { background: var(--pole); border-radius: 2px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.stat { display: grid; gap: 2px; }
.stat b { font: 600 22px/1 var(--f-display); font-variant-numeric: tabular-nums; }
.stat span { font: 500 11px var(--f-display); letter-spacing: .07em; text-transform: uppercase; color: var(--ink-3); }
.keys { font-size: 12px; color: var(--ink-2); display: grid; grid-template-columns: auto 1fr; gap: 5px 10px; margin: 0; }
.keys dt { white-space: nowrap; }
.keys dd { margin: 0; }
kbd { font: 500 10.5px var(--f-mono); border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 3px; padding: 1px 5px; background: var(--field); color: var(--ink); }

/* ---------- map ---------- */
.map { position: relative; overflow: hidden; background: var(--map); touch-action: none; cursor: grab; outline: none; min-height: 0; }
.map:focus-visible { box-shadow: inset 0 0 0 2px var(--accent); }
.map.panning { cursor: grabbing; }
.map.readonly { cursor: grab; }
.world { position: absolute; left: 0; top: 0; transform-origin: 0 0; will-change: transform; }
.world.blank { background-color: #1B1F1D; background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px); background-size: 40px 40px; }
.world img { display: block; max-width: none; user-select: none; -webkit-user-drag: none; pointer-events: none; }
.world svg { position: absolute; left: 0; top: 0; overflow: visible; }
.map [data-role="move"] { cursor: move; }
.map [data-role="rotate"] { cursor: alias; }
.map.readonly [data-role] { cursor: pointer; }
.map-empty { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: grid; gap: 4px; text-align: center; color: #E6EAE7; pointer-events: none; width: min(320px, 80%); }
.map-empty strong { font: 700 18px var(--f-display); }
.map-empty span { font-size: 13px; color: #9AA49F; }

.hud { position: absolute; background: rgba(14, 17, 16, .82); color: #E6EAE7; border: 1px solid rgba(255, 255, 255, .08); border-radius: 3px; font: 500 11px/1 var(--f-mono); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.zoom { top: 12px; right: 12px; display: flex; flex-direction: column; }
.zoom button { all: unset; box-sizing: border-box; width: 34px; height: 32px; display: grid; place-items: center; cursor: pointer; font: 600 16px/1 var(--f-display); color: #E6EAE7; }
.zoom button + button { border-top: 1px solid rgba(255, 255, 255, .1); }
.zoom button:hover { background: rgba(255, 255, 255, .08); }
.zoom button:focus-visible { outline: 2px solid var(--cam); outline-offset: -2px; }
.zoom .fit { font-size: 10px; letter-spacing: .06em; }
.scalebar { left: 12px; bottom: 12px; padding: 8px 10px; display: grid; gap: 6px; }
.scalebar .bar { height: 6px; border: 1.5px solid #E6EAE7; border-top: 0; }
.north { right: 12px; bottom: 12px; width: 34px; height: 40px; display: grid; place-items: center; }
.msg { left: 12px; top: 12px; padding: 9px 11px; max-width: min(420px, calc(100% - 80px)); line-height: 1.4; font-family: var(--f-body); font-size: 12.5px; }
.msg b { color: var(--cam); font-weight: 600; }

/* ---------- toasts ---------- */
#toasts { position: fixed; left: 50%; bottom: calc(20px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); display: grid; gap: 8px; z-index: 100; width: max-content; max-width: calc(100vw - 32px); pointer-events: none; }
.toast { background: var(--ink); color: var(--panel); padding: 10px 14px; border-radius: 4px; box-shadow: var(--shadow); font-size: 13.5px; animation: toast-in .18s ease-out; transition: opacity .3s; }
.toast.error { background: #B3261E; color: #FFFFFF; }
.toast.out { opacity: 0; }
@keyframes toast-in { from { transform: translateY(6px); opacity: 0; } }

@media (max-width: 860px) {
  html, body, #app, .shell { height: auto; }
  .workspace { grid-template-columns: 1fr; }
  .workspace > .map { height: 62vh; min-height: 340px; }
  .side { border-left: 0; border-top: 1px solid var(--line); }
  .tabpanel, .page { overflow: visible; }
  .who-name { display: none; }
  .crumbs { font-size: 14px; }
  .brand span { display: none; }
}
@media (max-width: 760px) {
  .auth { grid-template-columns: 1fr; }
  .auth-card { border-right: 0; }
  .auth-art { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .toast { animation: none; transition: none; }
}