/* Surface field, floating panels and the light/dark theme layer. Loaded last on every page.
   Tokens follow the surface-field demo (https://angelolibero.github.io/surface-field/). */
:root {
  --sf-bg: oklch(0.971 0 0);
  --sf-fg: oklch(0.22 0 0);
  --sf-card: oklch(0.998 0 0);
  --sf-face: oklch(0.987 0 0);
  --sf-secondary: oklch(0.955 0 0);
  --sf-accent: oklch(0.94 0 0);
  --sf-muted: oklch(0.5 0 0); /* 5:1 on the well tint, 7:1 on card white (was 0.55: 4.3:1 on segments) */
  --sf-border: oklch(0.905 0 0);
  --sf-input: oklch(0.9 0 0);
  --sf-well: oklch(0.955 0 0);
  --sf-primary: oklch(0.24 0 0);
  --sf-primary-fg: oklch(0.99 0 0);
  --sf-hairline: color-mix(in oklab, var(--sf-fg) 8%, transparent);
  --sf-float: color-mix(in oklab, var(--sf-face) 90%, transparent);
  --sf-blur: blur(24px) saturate(1.8);
  --sf-ink: oklch(0.3 0 0);
  --sf-hl-top: inset 0 1px 0 oklch(1 0 0 / 0.6);
  --sf-shadow-e1: 0 1.35px 2.7px color-mix(in oklab, var(--sf-ink) 5%, transparent);
  --sf-shadow-e2: 0 1.35px 2.7px color-mix(in oklab, var(--sf-ink) 4%, transparent), 0 10.8px 29.7px color-mix(in oklab, var(--sf-ink) 6%, transparent);
  --sf-shadow-lift: 0 4px 10.8px color-mix(in oklab, var(--sf-ink) 5%, transparent), 0 18.9px 43.2px color-mix(in oklab, var(--sf-ink) 9%, transparent);
  --sf-shadow-e3: 0 8.1px 21.6px color-mix(in oklab, var(--sf-ink) 7%, transparent), 0 35.1px 67.5px color-mix(in oklab, var(--sf-ink) 12%, transparent);
  --sf-ring-top: color-mix(in oklab, var(--sf-fg) 9.5%, var(--sf-bg));
  --sf-ring-mid: color-mix(in oklab, var(--sf-fg) 4.5%, var(--sf-bg));
  --sf-ring-foot: color-mix(in oklab, var(--sf-fg) 1.5%, var(--sf-bg));
  --sf-lit-edge: color-mix(in oklab, white 45%, transparent);
  --sf-lit-edge-mid: color-mix(in oklab, white 20%, transparent);
  --surface-field-tint: oklch(0.68 0.17 255);
}
html[data-theme=dark] {
  color-scheme: dark;
  --sf-bg: oklch(0.195 0 0);
  --sf-fg: oklch(0.955 0 0);
  --sf-card: oklch(0.245 0 0);
  --sf-face: var(--sf-card);
  --sf-secondary: oklch(0.275 0 0);
  --sf-accent: oklch(0.305 0 0);
  --sf-muted: oklch(0.71 0 0);
  --sf-border: oklch(1 0 0 / 9%);
  --sf-input: oklch(1 0 0 / 13%);
  --sf-well: oklch(0.225 0 0);
  --sf-primary: oklch(0.97 0 0);
  --sf-primary-fg: oklch(0.22 0 0);
  --sf-hairline: oklch(1 0 0 / 0.09);
  --sf-float: oklch(0.262 0 0);
  --sf-blur: none;
  --sf-ink: oklch(0 0 0);
  --sf-hl-top: inset 0 1px 0 oklch(1 0 0 / 0.11);
  --sf-shadow-e1: 0 1.35px 2.7px color-mix(in oklab, var(--sf-ink) 30%, transparent);
  --sf-shadow-e2: 0 1.35px 4px color-mix(in oklab, var(--sf-ink) 18%, transparent), 0 16.2px 59.4px color-mix(in oklab, var(--sf-ink) 22%, transparent);
  --sf-shadow-lift: 0 5.4px 18.9px color-mix(in oklab, var(--sf-ink) 22%, transparent), 0 24.3px 75.6px color-mix(in oklab, var(--sf-ink) 28%, transparent);
  --sf-shadow-e3: 0 10.8px 37.8px color-mix(in oklab, var(--sf-ink) 26%, transparent), 0 40.5px 113.4px color-mix(in oklab, var(--sf-ink) 34%, transparent);
  --sf-ring-top: var(--sf-hairline);
  --sf-ring-mid: var(--sf-hairline);
  --sf-ring-foot: var(--sf-hairline);
  --sf-lit-edge: color-mix(in oklab, white 13%, transparent);
  --sf-lit-edge-mid: color-mix(in oklab, white 5%, transparent);
}

/* The field host: the page background, with the dot field painted between it and the content. */
html, html[data-theme=dark] { background: var(--sf-bg); }
body.field-host { position: relative; isolation: isolate; min-height: 100dvh; background: var(--sf-bg); color: var(--sf-fg); }
.surface-field { color: var(--sf-fg); }
header { background: transparent; border-bottom: 1px solid var(--sf-hairline); }

/* Floating glass panel, as the demo's control sidebar. */
.float-panel {
  border: 1px solid var(--sf-hairline);
  border-radius: 20px;
  background: var(--sf-float);
  -webkit-backdrop-filter: var(--sf-blur);
  backdrop-filter: var(--sf-blur);
  box-shadow: var(--sf-shadow-e3), var(--sf-hl-top);
  scrollbar-width: thin;
  scrollbar-color: var(--sf-border) transparent;
}
.float-panel .panel { background: transparent; border-color: var(--sf-hairline); box-shadow: none; }
.left-panel.float-panel, .right-panel.float-panel { padding: 8px; }

/* A surface resting on the field, as the demo's cards. */
.surface-card {
  isolation: isolate;
  border: 1px solid transparent;
  border-radius: 16px;
  background:
    linear-gradient(var(--sf-face), var(--sf-face)) padding-box,
    linear-gradient(180deg, var(--sf-ring-top), var(--sf-ring-mid) 45%, var(--sf-ring-foot)) border-box;
  box-shadow: var(--sf-shadow-e2);
  transition: box-shadow 160ms ease;
}
.surface-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  z-index: 0;
  border: 1px solid transparent;
  border-radius: inherit;
  padding: 1px;
  pointer-events: none;
  background: linear-gradient(180deg, var(--sf-lit-edge) 0, var(--sf-lit-edge-mid) 7px, transparent 22px);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0) padding-box;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0) padding-box;
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}
.surface-card:hover, .surface-card:focus-within { box-shadow: var(--sf-shadow-lift); }
#canvasWrap.surface-card { border-radius: 6px; background: transparent; box-shadow: 0 0 0 1px var(--sf-hairline), var(--sf-shadow-e2); }
#canvasWrap.surface-card::before { display: none; }
#canvasWrap.surface-card canvas { position: relative; z-index: 1; }

/* Floating artboards on the workspace stage. */
#stage.stage-field { position: relative; display: block; padding: 0; overflow: hidden; }
.stage-field .artboard-card { position: absolute; z-index: 2; user-select: none; touch-action: none; }
.stage-field #canvasWrap { position: absolute; box-shadow: 0 0 0 1px var(--sf-hairline), var(--sf-shadow-e2); }
.stage-field #canvasWrap.is-active { box-shadow: 0 0 0 2px var(--sf-fg), var(--sf-shadow-lift); }
.stage-field .artboard-card.preview { cursor: pointer; overflow: visible; border-radius: 6px; background: var(--sf-face); }
.stage-field .artboard-card.preview::before { display: none; }
.stage-field .artboard-card.preview .artboard-preview { display: block; width: 100%; height: 100%; border-radius: 5px; pointer-events: none; }
.stage-field .artboard-card.preview:hover, .stage-field .artboard-card.preview:focus-visible { box-shadow: 0 0 0 1px color-mix(in oklab, var(--sf-fg) 40%, transparent), var(--sf-shadow-lift); outline: none; }
.stage-field .artboard-card.is-dragging { box-shadow: 0 0 0 2px var(--sf-fg), var(--sf-shadow-e3); transition: none; }
.stage-field .artboard-tag {
  position: absolute; left: 0; top: -24px; max-width: 100%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  font-size: 11px; font-weight: 500; color: var(--sf-muted); pointer-events: none; letter-spacing: 0;
}
.stage-field .artboard-card:is(.is-active, :hover, :focus-within) .artboard-tag { color: var(--sf-fg); }
/* Handles are tabs on the card edge, never over the artwork: a grab tab straddling the
   top edge and a corner grip straddling the bottom-right corner. */
.field-host .object-handle {
  position: absolute; z-index: 4; display: grid; place-items: center; min-height: 0; padding: 0; margin: 0;
  border: 1px solid var(--sf-hairline); background: var(--sf-float); box-shadow: var(--sf-shadow-e1), var(--sf-hl-top);
  -webkit-backdrop-filter: var(--sf-blur); backdrop-filter: var(--sf-blur);
  color: var(--sf-muted); opacity: .85; transition: opacity 120ms ease, color 120ms ease, background 120ms ease; touch-action: none;
}
.field-host .artboard-card:hover .object-handle, .field-host .artboard-card:focus-within .object-handle { opacity: 1; }
.field-host .object-handle:hover, .field-host .object-handle:focus-visible { color: var(--sf-fg); opacity: 1; background: var(--sf-btn-hover); transform: none; }
.field-host .object-handle:active { transform: none; }
.field-host .object-handle:focus-visible { outline: 2px solid var(--sf-fg); outline-offset: 2px; }
.field-host .handle-mark { position: relative; display: block; pointer-events: none; }
.field-host .move-handle { top: -14px; left: 50%; width: 46px; height: 26px; border-radius: 999px; transform: translateX(-50%); cursor: grab; }
.field-host .move-handle:hover { transform: translateX(-50%); }
.field-host .move-handle .handle-mark { width: 18px; height: 2px; border-radius: 2px; background: currentColor; }
.field-host .move-handle:active { cursor: grabbing; transform: translateX(-50%); }
.field-host .resize-handle { bottom: 0; right: 0; width: 30px; height: 30px; border: 0; border-radius: 7px; background: transparent; box-shadow: none; -webkit-backdrop-filter: none; backdrop-filter: none; cursor: nwse-resize; }
.field-host .resize-handle:hover, .field-host .resize-handle:focus-visible { background: transparent; }
.field-host .resize-handle .handle-mark { width: 16px; height: 16px; filter: drop-shadow(0 0 2px color-mix(in oklab, var(--sf-face) 80%, transparent)); }
.field-host .artboard-tag { max-width: calc(50% - 30px); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.field-host .stage-add { position: absolute; z-index: 5; right: 16px; top: 14px; }

/* Theme toggle. */
.theme-toggle {
  width: 36px; height: 36px; min-height: 0; padding: 0; flex: none;
  border: 1px solid var(--sf-hairline); border-radius: 12px;
  background: var(--sf-card); color: var(--sf-fg);
  box-shadow: var(--sf-shadow-e1), var(--sf-hl-top);
  display: inline-flex; align-items: center; justify-content: center;
}
.theme-toggle:hover { background: var(--sf-accent); }
.theme-toggle svg { width: 17px; height: 17px; display: block; }
html[data-theme=dark] .theme-toggle .moon, html:not([data-theme=dark]) .theme-toggle .sun { display: none; }

/* Page hooks. */
#stage { background: none; }
@media (min-width: 1500px) { body.field-host main:not(#studio) { grid-template-columns: 300px minmax(0, 1fr) 300px; gap: 22px; max-width: none; } }
body.field-host main:not(#studio) aside.float-panel { padding: 22px 20px; }
.left-panel.float-panel, .right-panel.float-panel { overflow-y: auto; }
body.field-host > main { position: relative; }
html[data-theme=dark] .brand img, html[data-theme=dark] header > img { filter: invert(1) hue-rotate(180deg); }

/* ---------- Dark theme ---------- */
html[data-theme=dark] body { background: var(--sf-bg); color: var(--sf-fg); }
html[data-theme=dark] :is(h1, h2, h3, p, small, label, output, dt, dd, li, strong, em, span, legend, a, time, address):not(button *, .primary *, [aria-pressed=true] *, [aria-current=true] *, #toast *) { color: inherit; }
html[data-theme=dark] :is(#saveStatus, #backgroundName, #liveShareDescription, #liveShareUrl, #liveLinkResult label, #presetTrigger small, #safePresetTrigger small, #hint, #status, #empty,
  .panel-title, label.field, .hint, .small, .status, .canvas-heading span, #boards small, footer, footer span,
  h2, h2 > span, h2 small, .library-note, .local-note, .brand-sub, .workspace-top, .upload-hint strong, .upload-hint span, .media-tools button, .export-label, .privacy-note, .small-note, .tip, .tip strong,
  dialog p, dialog li, dt, dd, .dialog-eyebrow, .intro-eyebrow, .studio-intro p, .intro-steps li > span, .intro-privacy, .studio-tag small, .export-summary, .safe-category, .safe-preset-label, .safe-margin-grid label, .mockup-position label, .screen-fit label,
  .preset-copy small, .resolution-copy small, .share-facts span, .share-dialog-eyebrow, .share-dialog-footer, .app-fields button span, .emojis button:last-child, .background-media, .heading p, header > span, small) { color: var(--sf-muted); }
/* Text inside a filled (primary) button always takes the button's own colour. */
html[data-theme=dark] :is(.primary, button.primary, .save-button, button[aria-pressed=true], button[aria-current=true], form button, button.active, #startLiveShare, #copyLiveLink) :is(span, small, strong, em) { color: inherit; }
html[data-theme=dark] :is(#presetMenu, #resolutionMenu, #safePresetMenu, #liveShareDialog, #presetTrigger, #safePresetTrigger, #resolutionTrigger, #importMockup,
  aside, .panel, dialog, .export-bar, .studio-tag, .notice, .share-link-field, .share-local-notice, .library-tabs, .app-fields button, .template-grid button, .device-grid button, .emojis button, .emoji-results button, .skip:focus, .share-dialog-icon) {
  background: var(--sf-card); color: var(--sf-fg); border-color: var(--sf-hairline);
}
html[data-theme=dark] :is(aside.float-panel, .float-panel) { background: var(--sf-float); }
html[data-theme=dark] :is(#presetMenu, #resolutionMenu, #safePresetMenu) [role=option] { background: transparent; color: var(--sf-fg); }
html[data-theme=dark] :is(#presetMenu, #resolutionMenu, #safePresetMenu) [role=option]:is(:hover, :focus-visible, [aria-selected=true]) { background: var(--sf-accent); color: var(--sf-fg); }
html[data-theme=dark] :is(#presetMenu, #resolutionMenu, #safePresetMenu) :is(small, .safe-ratio) { color: var(--sf-muted); }
/* Buttons, inputs, sliders and switches live in orbix-controls.css for both themes. */
html[data-theme=dark] .export-bar select { background: transparent; border-color: transparent; }
html[data-theme=dark] :is(.divider, .rule, .board-strip, article, .dialog-head, .intro-details, .field-grid) { border-color: var(--sf-hairline); }
html[data-theme=dark] .divider { background: var(--sf-hairline); }
html[data-theme=dark] :is(.asset-row img, .asset-row video) { background: var(--sf-well); }
html[data-theme=dark] #resizeHandle { background: var(--sf-fg); border-color: var(--sf-bg); }
html[data-theme=dark] #selection { border-color: oklch(0.8 0.12 130); }
html[data-theme=dark] #toast { background: var(--sf-card); color: var(--sf-fg); border: 1px solid var(--sf-hairline); box-shadow: var(--sf-shadow-e3); }
html[data-theme=dark] dialog::backdrop { background: oklch(0 0 0 / 0.55); }
html[data-theme=dark] .notice { background: var(--sf-secondary); color: var(--sf-fg); }
html[data-theme=dark] .error { background: oklch(0.32 0.06 30); }
html[data-theme=dark] #uploadTarget { background: repeating-conic-gradient(oklch(0.27 0 0) 0% 25%, oklch(0.23 0 0) 0% 50%) 50% / 18px 18px; border-color: var(--sf-hairline); }
html[data-theme=dark] .studio-tag { background: var(--sf-float); }
/* Live-share dialog: the demo card in both themes. */
html[data-theme] #liveShareDialog { border: 1px solid var(--sf-hairline); border-radius: 24px; background: var(--sf-card); color: var(--sf-fg); box-shadow: var(--sf-shadow-e3); }
html[data-theme] #liveShareDialog::backdrop { background: oklch(0 0 0 / 0.5); backdrop-filter: blur(6px); }
html[data-theme] #liveShareDialog #liveShareTitle { color: var(--sf-fg); font-size: 28px; letter-spacing: -0.8px; }
html[data-theme] #liveShareDialog #liveShareTitle em { color: var(--sf-fg); }
html[data-theme] #liveShareDialog :is(#liveShareDescription, .share-dialog-eyebrow, .share-facts span, .share-local-notice p, #liveLinkResult label, .share-dialog-footer, #liveShareStatus) { color: var(--sf-muted); }
html[data-theme] #liveShareDialog :is(.share-facts strong, .share-local-notice strong) { color: var(--sf-fg); }
html[data-theme] #liveShareDialog :is(.share-facts, .share-dialog-footer) { border-color: var(--sf-hairline); }
html[data-theme] #liveShareDialog .share-dialog-icon { background: var(--sf-well); color: var(--sf-fg); }
html[data-theme] #liveShareDialog :is(.share-local-notice, .share-link-field) { background: var(--sf-well); border-color: var(--sf-hairline); color: var(--sf-fg); }
html[data-theme] #liveShareDialog .share-local-notice > .icon { color: var(--sf-muted); }
html[data-theme] #liveShareDialog #liveShareUrl { background: transparent; border: 0; box-shadow: none; color: var(--sf-fg); }
html[data-theme] #liveShareDialog #startLiveShare { min-height: 46px; justify-content: space-between; padding: 10px 18px; font-size: 13.5px; }
html[data-theme] #liveShareDialog #closeLiveShare { margin-left: auto; width: 34px; height: 34px; }
html[data-theme] #liveShareDialog .live-share-actions { margin-top: 14px; gap: 10px; }
html[data-theme] #liveShareDialog .live-share-actions a#openLiveLink {
  display: inline-flex; align-items: center; gap: 8px; min-height: 36px; padding: 8px 14px; border: 1px solid var(--sf-hairline); border-radius: 12px;
  background: var(--sf-btn); color: var(--sf-fg); font-size: 12.75px; font-weight: 500; text-decoration: none; box-shadow: var(--sf-shadow-e1), var(--sf-hl-top);
}
html[data-theme] #liveShareDialog .live-share-actions a#openLiveLink:hover { background: var(--sf-btn-hover); }
html[data-theme] #liveShareDialog #stopLiveShare { min-height: 36px; padding: 8px 12px; border: 1px solid transparent; border-radius: 12px; background: transparent; color: oklch(0.62 0.19 25); font-weight: 500; box-shadow: none; }
html[data-theme=dark] #liveShareDialog #stopLiveShare { color: oklch(0.76 0.16 25); }
html[data-theme] #liveShareDialog #stopLiveShare:hover { background: color-mix(in oklab, oklch(0.65 0.2 25) 14%, transparent); color: oklch(0.55 0.2 25); transform: none; }
html[data-theme=dark] #liveShareDialog #stopLiveShare:hover { color: oklch(0.82 0.15 25); }
html[data-theme] #liveShareDialog #copyLiveLink { min-height: 34px; }
html[data-theme=dark] .intro-steps li > span { background: var(--sf-card); color: var(--sf-fg); border: 1px solid var(--sf-hairline); }
html[data-theme=dark] .pin { border-color: var(--sf-bg); background: var(--sf-fg); color: var(--sf-bg); }
html[data-theme=dark] .pending { background: #6683e8; color: #fff; }
html[data-theme=dark] #preview { box-shadow: 0 0 0 1px var(--sf-hairline); }

@media (prefers-reduced-motion: reduce) {
  .surface-card, .theme-toggle { transition: none; }
}