@font-face { font-family: "Archivo Black"; font-weight: 400; font-style: normal; font-display: swap; src: url("ui-fonts/ArchivoBlack-400.ttf") format("truetype"); }
@font-face { font-family: "Inter"; font-weight: 400; font-style: normal; font-display: swap; src: url("ui-fonts/Inter-400.ttf") format("truetype"); }
@font-face { font-family: "Inter"; font-weight: 500; font-style: normal; font-display: swap; src: url("ui-fonts/Inter-500.ttf") format("truetype"); }
@font-face { font-family: "Inter"; font-weight: 600; font-style: normal; font-display: swap; src: url("ui-fonts/Inter-600.ttf") format("truetype"); }
@font-face { font-family: "Inter"; font-weight: 700; font-style: normal; font-display: swap; src: url("ui-fonts/Inter-700.ttf") format("truetype"); }

/* Colours and type follow surphus.com: dark navy, amber accent, Archivo Black headings, Inter body, monospace labels, 2px corners. */
:root {
  color-scheme: dark; accent-color: oklch(70% 0.15 55);
  --bg: oklch(18% 0.035 258); --panel: oklch(21% 0.035 258); --deep: oklch(12% 0.03 258); --canvas: oklch(14% 0.03 258);
  --line: oklch(30% 0.03 258); --text: oklch(96% 0.01 258); --muted: oklch(70% 0.02 258);
  --accent: oklch(70% 0.15 55); --accent-hi: oklch(78% 0.16 55); --accent-text: oklch(14% 0.03 258);
  --err: oklch(72% 0.17 25); --warn: oklch(82% 0.14 85); --ok: oklch(76% 0.15 150);
  --head: "Archivo Black", system-ui, sans-serif; --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body { background: var(--bg); color: var(--text); font: 14px/1.45 Inter, system-ui, sans-serif; display: flex; flex-direction: column; }
button, select, input, textarea { font: inherit; color: inherit; }
button { background: transparent; border: 1px solid var(--line); border-radius: 2px; padding: 6px 12px; cursor: pointer; font-weight: 500; }
button:hover:not(:disabled) { border-color: var(--accent); color: var(--accent-hi); }
button:disabled { opacity: .45; cursor: default; }
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); font-weight: 700; letter-spacing: .5px; text-transform: uppercase; }
button.primary:hover:not(:disabled) { background: var(--accent-hi); color: var(--accent-text); }
input[type=number], input[type=text], input[type=email], input[type=password], select, textarea { background: var(--deep); border: 1px solid var(--line); border-radius: 2px; padding: 4px 6px; width: 100%; min-width: 0; }
input[type=color] { width: 36px; height: 28px; padding: 0; border: 1px solid var(--line); border-radius: 2px; background: none; }
textarea { resize: vertical; min-height: 54px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.muted { color: var(--muted); }
.err { color: var(--err); } .warn { color: var(--warn); } .ok { color: var(--ok); }
.spacer { flex: 1; }

#top { display: flex; gap: 14px; align-items: center; padding: 8px 16px; background: var(--deep); border-bottom: 1px solid var(--line); }
.brand { display: flex; flex-direction: column; align-items: center; gap: 2px; line-height: 1; }
.brand b { font: 16px var(--head); letter-spacing: 1px; text-transform: uppercase; }
.brand span { font-size: 9px; font-weight: 500; letter-spacing: 4px; text-transform: uppercase; color: var(--accent); }
.group { display: flex; gap: 6px; align-items: center; }
main { flex: 1; display: grid; grid-template-columns: 220px 1fr 290px; min-height: 0; }
aside { background: var(--panel); overflow-y: auto; padding: 10px 12px; }
#left { border-right: 1px solid var(--line); } #right { border-left: 1px solid var(--line); }
aside h2 { font: 11px var(--mono); text-transform: uppercase; letter-spacing: 3px; color: var(--accent); margin: 18px 0 8px; }
aside h2:first-child { margin-top: 2px; }
.row { display: flex; gap: 6px; }
.upload { display: block; text-align: center; border: 1px dashed var(--line); border-radius: 2px; padding: 8px; cursor: pointer; margin-bottom: 8px; }
.upload:hover { border-color: var(--accent); }
.assets { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.asset { border: 1px solid var(--line); border-radius: 2px; padding: 4px; cursor: pointer; background: repeating-conic-gradient(#0000000d 0 25%, transparent 0 50%) 0 0/12px 12px; text-align: center; }
.asset:hover { border-color: var(--accent); }
.asset img { max-width: 100%; height: 54px; object-fit: contain; display: block; margin: 0 auto; }
.asset span { font-size: 11px; display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; background: var(--panel); }
#layers { list-style: none; margin: 0; padding: 0; }
#layers li { display: flex; align-items: center; gap: 4px; padding: 4px 6px; border-radius: 2px; cursor: pointer; border-left: 2px solid transparent; }
#layers li.sel { background: color-mix(in srgb, var(--accent) 14%, transparent); border-left-color: var(--accent); }
#layers li .name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#layers li button { padding: 0 6px; border: none; background: none; color: var(--muted); }
#layers li button:hover { color: var(--accent-hi); }

#stage { position: relative; min-width: 0; min-height: 0; background: var(--canvas); background-image: repeating-linear-gradient(115deg, oklch(17% 0.035 258) 0 2px, transparent 2px 40px); }
#scroller { position: absolute; inset: 22px 0 0 22px; overflow: auto; }
#svg { display: block; margin: 40px; touch-action: none; user-select: none; background: transparent; }
.ruler { position: absolute; background: var(--deep); }
#rulerTop { top: 0; left: 22px; height: 22px; width: calc(100% - 22px); }
#rulerLeft { top: 22px; left: 0; width: 22px; height: calc(100% - 22px); }

.field { display: grid; grid-template-columns: 92px 1fr; gap: 6px; align-items: center; margin: 5px 0; }
.field > label { color: var(--muted); font-size: 12px; }
.field .pair { display: flex; gap: 6px; align-items: center; }
.field.check { grid-template-columns: 1fr; }
.field.check label { color: var(--text); display: flex; gap: 6px; align-items: center; }
.hint { font-size: 12px; margin: 2px 0 6px; }
.swatch { display: inline-block; width: 12px; height: 12px; border-radius: 3px; border: 1px solid var(--line); vertical-align: -2px; }
#toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); background: var(--err); padding: 8px 14px; border-radius: 2px; z-index: 10; color: var(--accent-text); max-width: 80vw; }
dialog { border: 1px solid var(--line); border-radius: 4px; background: var(--bg); color: var(--text); width: min(900px, 94vw); max-height: 92vh; padding: 18px; }
dialog::backdrop { background: oklch(8% 0.03 258 / .8); }
dialog h2 { font: 24px var(--head); text-transform: uppercase; margin: 0 0 8px; }
dialog .close { position: absolute; top: 8px; right: 10px; border: none; background: none; font-size: 22px; }
.issue { padding: 6px 8px; border-left: 3px solid var(--line); margin: 6px 0; background: color-mix(in srgb, var(--line) 25%, transparent); }
.issue.error { border-color: var(--err); } .issue.warning { border-color: var(--warn); }
dialog iframe { width: 100%; height: 62vh; border: 1px solid var(--line); border-radius: 2px; background: #fff; margin-top: 10px; }

@media (max-width: 1000px) { main { grid-template-columns: 180px 1fr 250px; } }

.bannerBtn { width: 100%; text-align: left; line-height: 1.3; }
.bannerBtn.active { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
.bannerBtn small { display: block; color: var(--muted); }

.title { font: 15px var(--head); text-transform: uppercase; letter-spacing: 1px; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hi); }
button { color: var(--text); }
button.primary { color: var(--accent-text); }

button.account { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--muted); }
#accountDlg { width: min(420px, 94vw); }
#accountDlg h3.mono { font: 11px var(--mono); letter-spacing: 3px; text-transform: uppercase; color: var(--accent); margin: 18px 0 8px; }

.btn { display: inline-block; border: 1px solid var(--line); border-radius: 2px; padding: 6px 12px; color: var(--text); }
.btn:hover { border-color: var(--accent); color: var(--accent-hi); }
[hidden] { display: none !important; }