:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--cv-screen-background);
  color: #e9f3f6;
  --cv-screen-background: #071018;
  --cv-screen-panel: #0d1b24;
  --cv-screen-ink: #f0f5f7;
  --cv-screen-muted: #a6b2ba;
  --cv-accent-blue: #5dbbff;
  --cv-accent-gold: #d6a43a;
  --cv-accent-red: #d45b64;
  --cv-focus-light: #5dbbff;
  --cv-focus-dark: #0b78b0;
  --cv-print-background: #ffffff;
  --cv-print-ink: #17232b;
  --cv-print-muted: #4b5e68;
  --cv-print-blue: #1e6c9b;
  --cv-print-gold: #8b5a0b;
  --cv-print-red: #9e3f49;
  --cv-rule-width: 1px;
  --cv-radius-small: 1.5mm;
  --cv-radius-medium: 2mm;
  --editor-line: rgba(107, 148, 171, .2);
  --editor-muted: #7d919c;
}

* { box-sizing: border-box; }

html, body { min-height: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 75% 16%, rgba(21, 75, 117, .17), transparent 31rem),
    linear-gradient(135deg, #05080d 0%, #091219 45%, #05080d 100%);
}

button { font: inherit; }

.app-bar {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 10px 22px;
  border-bottom: 1px solid var(--editor-line);
  background: rgba(4, 8, 13, .92);
  box-shadow: 0 10px 40px rgba(0, 0, 0, .24);
  position: sticky;
  top: 0;
  z-index: 10;
}

.app-brand, .app-actions, .theme-switcher, .status-line, .inspector-heading, .geometry-list div {
  display: flex;
  align-items: center;
}

.app-brand { gap: 10px; letter-spacing: .08em; }
.app-brand > span:last-child { display: grid; gap: 2px; }
.app-brand strong { font-size: 11px; font-weight: 800; }
.app-brand small { color: var(--editor-muted); font-size: 8px; letter-spacing: .18em; }

.app-brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--cv-accent-blue);
  color: var(--cv-focus-light);
  clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .06em;
}

.app-actions { gap: 7px; flex-wrap: wrap; justify-content: flex-end; }
.theme-switcher { gap: 5px; }
.control-label, .inspector-kicker { color: var(--editor-muted); font-size: 9px; letter-spacing: .17em; }
.control-label { margin-right: 4px; }

.theme-button, .tool-button, .inspector-action {
  border: 1px solid var(--editor-line);
  background: rgba(13, 23, 31, .72);
  color: #b7c8cf;
  cursor: pointer;
  transition: border-color .16s ease, color .16s ease, background .16s ease, transform .16s ease;
}

.theme-button:hover, .theme-button:focus-visible, .tool-button:hover, .tool-button:focus-visible, .inspector-action:hover, .inspector-action:focus-visible {
  border-color: var(--cv-focus-light);
  color: #fff;
}

.theme-button:focus-visible, .tool-button:focus-visible, .inspector-action:focus-visible {
  outline: 2px solid var(--cv-focus-light);
  outline-offset: 2px;
}

.theme-button { min-height: 31px; padding: 0 9px; display: inline-flex; align-items: center; gap: 6px; font-size: 10px; }
.theme-button i { width: 7px; height: 7px; border-radius: 50%; background: #45aaff; box-shadow: 0 0 8px currentColor; }
.theme-button[data-theme="gold"] i { background: #e5aa25; }
.theme-button[data-theme="red"] i { background: #ef3942; }
.theme-button.is-active { border-color: #56baff; background: rgba(25, 94, 143, .26); color: #f1fbff; }
.toolbar-divider { width: 1px; height: 23px; background: var(--editor-line); margin: 0 4px; }
.tool-button { min-width: 32px; height: 31px; padding: 0 9px; font-size: 11px; }
.tool-button-primary { border-color: #3c9bda; background: #0d4770; color: #e8f8ff; }
.zoom-readout { min-width: 42px; color: #9eb0ba; font-size: 10px; text-align: center; }
.print-mode-control { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; color: var(--editor-muted); font-size: 8px; letter-spacing: .12em; text-transform: uppercase; }
.print-mode-control select { min-height: 31px; border: 1px solid var(--editor-line); padding: 0 7px; background: rgba(13, 23, 31, .72); color: #dcebf1; font: 10px inherit; }
.print-mode-control select:focus-visible { outline: 2px solid var(--cv-focus-light); outline-offset: 2px; }

.workspace { min-height: calc(100vh - 65px); display: grid; grid-template-columns: 240px minmax(0, 1fr); }

.inspector {
  max-height: calc(100vh - 65px);
  overflow: auto;
  border-right: 1px solid var(--editor-line);
  padding: 24px 16px;
  background: rgba(4, 10, 15, .62);
}

.inspector-heading { gap: 10px; padding-bottom: 20px; border-bottom: 1px solid var(--editor-line); }
.inspector-index { color: #52b8ff; font-size: 11px; font-weight: 800; letter-spacing: .12em; }
.inspector-heading div { display: grid; gap: 3px; }
.inspector-heading strong { font-size: 12px; letter-spacing: .12em; }
.inspector-heading small { color: var(--editor-muted); font-size: 8px; letter-spacing: .15em; }
.inspector-card { margin-top: 16px; padding: 14px; border: 1px solid var(--editor-line); background: linear-gradient(135deg, rgba(16, 31, 42, .72), rgba(6, 13, 19, .62)); }
.document-selector { width: 100%; min-height: 36px; border: 1px solid rgba(107, 148, 171, .32); border-radius: 2px; padding: 0 9px; background: rgba(2, 9, 14, .78); color: #e9f3f6; font: 10px/1.35 inherit; }
.document-selector:focus-visible { outline: 2px solid var(--cv-focus-light); outline-offset: 2px; }
.document-description { margin: 8px 0 0; color: var(--editor-muted); font-size: 9px; line-height: 1.45; }
.inspector-kicker { margin: 0 0 11px; }
.status-line { gap: 7px; font-size: 10px; letter-spacing: .1em; }
.status-line strong { color: #92e4b1; font-size: 10px; }
.status-line span:last-child { margin-left: auto; color: var(--editor-muted); font-size: 8px; letter-spacing: .1em; }
.status-pulse { width: 7px; height: 7px; background: #49d389; border-radius: 50%; box-shadow: 0 0 10px #49d389; }
.inspector-copy, .inspector-footnote { color: var(--editor-muted); font-size: 10px; line-height: 1.6; }
.inspector-copy { margin: 12px 0 0; }
.inspector-card-compact { padding: 13px 14px; }
.geometry-list { margin: 0; display: grid; gap: 9px; }
.geometry-list div { justify-content: space-between; gap: 8px; }
.geometry-list dt { color: var(--editor-muted); font-size: 8px; letter-spacing: .12em; }
.geometry-list dd { margin: 0; color: #e2eff3; font-size: 10px; }
.inspector-action { width: 100%; min-height: 35px; margin-top: 7px; display: flex; justify-content: space-between; padding: 0 10px; text-align: left; font-size: 10px; }
.inspector-action span { color: #57b8ff; font-size: 15px; }
.inspector-footnote { margin: 17px 3px; font-size: 9px; line-height: 1.55; }
.history-actions, .builder-file-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.builder-file-actions { margin-top: 7px; }
.inspector-action:disabled { cursor: not-allowed; opacity: .42; }
.builder-card { padding: 13px 12px; }
.builder-status { display: grid; gap: 3px; margin-bottom: 10px; padding: 8px; border: 1px solid rgba(86, 186, 255, .2); background: rgba(16, 49, 70, .24); }
.builder-status strong { color: #91d6ff; font-size: 9px; letter-spacing: .13em; }
.builder-status span, .builder-help { color: var(--editor-muted); font-size: 9px; line-height: 1.35; }
.builder-group { border-top: 1px solid var(--editor-line); padding: 8px 0; }
.builder-group summary { cursor: pointer; color: #e2eff3; font-size: 10px; font-weight: 800; letter-spacing: .08em; list-style: none; }
.builder-group summary::-webkit-details-marker { display: none; }
.builder-group summary::before { content: '+'; display: inline-block; width: 14px; color: #57b8ff; }
.builder-group[open] summary::before { content: '-'; }
.builder-group summary em { float: right; color: var(--editor-muted); font-style: normal; font-size: 9px; }
.builder-checks { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-top: 9px; }
.builder-checks label { display: flex; align-items: center; gap: 5px; color: var(--editor-muted); font-size: 9px; }
.builder-checks input { accent-color: #55baff; }
.portrait-tools { display: grid; gap: 6px; margin-top: 9px; }
.portrait-tools input[type="file"] { display: none; }
.builder-range-grid { display: grid; gap: 6px; margin: 10px 0; }
.builder-field { display: grid; gap: 4px; min-width: 0; margin-top: 7px; }
.builder-field > span { display: flex; justify-content: space-between; gap: 6px; color: var(--editor-muted); font-size: 8px; letter-spacing: .08em; text-transform: uppercase; }
.builder-field output { color: #8fd7ff; }
.builder-field input:not([type="range"]), .builder-field select, .builder-field textarea { width: 100%; min-width: 0; border: 1px solid rgba(107, 148, 171, .24); border-radius: 2px; padding: 6px; background: rgba(2, 9, 14, .75); color: #e9f3f6; font: 10px/1.35 inherit; }
.builder-field textarea { resize: vertical; }
.builder-field input:focus-visible, .builder-field select:focus-visible, .builder-field textarea:focus-visible { outline: 2px solid var(--cv-focus-light); outline-offset: 2px; }
.builder-field input[type="range"] { width: 100%; accent-color: #55baff; }
.builder-list { display: grid; gap: 7px; margin-top: 7px; }
.builder-row, .builder-entry { position: relative; padding: 6px; border: 1px solid rgba(107, 148, 171, .15); background: rgba(4, 13, 19, .42); }
.builder-row { padding-right: 27px; }
.builder-row .builder-field:first-child { margin-top: 0; }
.builder-row .builder-field { margin-top: 5px; }
.builder-entry-heading { display: flex; justify-content: space-between; align-items: center; color: #8fd7ff; font-size: 9px; letter-spacing: .1em; }
.builder-button { min-height: 29px; border: 1px solid rgba(86, 186, 255, .4); padding: 0 9px; background: rgba(24, 89, 132, .28); color: #cceeff; cursor: pointer; font-size: 9px; letter-spacing: .05em; }
.builder-button:hover, .builder-button:focus-visible { border-color: var(--cv-focus-light); color: #fff; }
.builder-button:focus-visible, .builder-icon-button:focus-visible { outline: 2px solid var(--cv-focus-light); outline-offset: 2px; }
.builder-button-muted { color: var(--editor-muted); background: transparent; }
.builder-icon-button { min-width: 22px; height: 22px; border: 1px solid rgba(238, 57, 69, .45); background: rgba(93, 20, 29, .25); color: #ff8a92; cursor: pointer; }
.builder-row > .builder-icon-button { position: absolute; top: 6px; right: 5px; }
.builder-entry + .builder-entry { margin-top: 7px; }
.builder-entry .builder-field:first-of-type { margin-top: 8px; }
.overflow-status { margin: 12px 3px 0; color: #8fd7ff; font-size: 9px; font-weight: 800; letter-spacing: .1em; }
.overflow-status[data-state="warning"] { color: #ff7b86; }

.canvas-stage {
  min-width: 0;
  min-height: calc(100vh - 65px);
  overflow: auto;
  padding: 34px 34px 60px;
  background:
    linear-gradient(rgba(83, 129, 150, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(83, 129, 150, .035) 1px, transparent 1px),
    #071018;
  background-size: 28px 28px;
}

.page-frame {
  width: 210mm;
  height: 297mm;
  margin: 0 auto;
  transform: scale(1);
  transform-origin: top left;
  zoom: 1;
  flex: 0 0 auto;
  transition: transform .18s ease;
}

@media (max-width: 1100px) {
  .inspector { display: block; max-height: none; overflow: visible; border-right: 0; padding: 12px 18px 0; background: transparent; }
  .inspector > :not(.document-selector-card) { display: none; }
  .document-selector-card { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: 7px 12px; margin: 0; padding: 9px 12px; }
  .document-selector-card .inspector-kicker { grid-column: 1 / -1; margin: 0; }
  .document-selector-card .document-selector { min-width: 0; min-height: 44px; }
  .document-selector-card .document-description { grid-column: 1 / -1; margin: 0; }
  .workspace { display: block; }
  .canvas-stage { min-height: calc(100vh - 65px); padding-inline: 18px; }
}

@media (max-width: 680px) {
  .app-bar { align-items: flex-start; flex-direction: column; padding: 12px 14px; }
  .app-actions { width: 100%; justify-content: flex-start; }
  .theme-button { padding-inline: 7px; }
  .theme-button { font-size: 9px; }
  .inspector { padding: 10px 14px 0; }
  .canvas-stage { padding: 24px 8px 40px; }
}

:where(button, select, input, textarea, [contenteditable="true"]):focus-visible {
  outline: 2px solid var(--cv-focus-light);
  outline-offset: 2px;
}

/* CV-08C editor control center */
.app-brand-logo { width: 36px; height: 36px; flex: 0 0 36px; object-fit: contain; filter: drop-shadow(0 0 8px rgba(93, 187, 255, .2)); }
.app-bar { min-height: 72px; }
.app-actions { align-items: center; }
.theme-button, .tool-button { min-height: 44px; }
.theme-button { padding-inline: 12px; }
.theme-button i { width: 10px; height: 10px; }
.theme-button.is-active { box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .08), 0 0 14px rgba(86, 186, 255, .12); }
.workspace { grid-template-columns: 340px minmax(0, 1fr); }
.inspector { padding: 18px 16px 28px; }
.inspector-heading { min-height: 52px; padding-bottom: 15px; }
.drawer-close { display: none; margin-left: auto; min-width: 44px; min-height: 44px; border: 1px solid var(--editor-line); background: transparent; color: var(--editor-muted); cursor: pointer; font-size: 22px; }
.inspector-action, .builder-button { min-height: 44px; }
.builder-icon-button { min-width: 44px; height: 44px; }
.builder-row > .builder-icon-button, .builder-entry-heading .builder-icon-button { top: 6px; right: 5px; }
.builder-field input:not([type="range"]), .builder-field select, .builder-field textarea { min-height: 44px; padding: 9px 10px; }
.builder-field input[type="range"] { min-height: 28px; }
.builder-group summary { min-height: 44px; display: flex; align-items: center; }
.builder-group summary em { margin-left: auto; }
.theme-grid { display: grid; gap: 7px; margin-top: 8px; }
.builder-theme-button { width: 100%; justify-content: flex-start; text-align: left; }
.builder-theme-button.is-active { border-color: var(--cv-focus-light); background: rgba(25, 94, 143, .26); color: #f1fbff; }
.builder-theme-button[data-theme="blue"] i, .theme-button[data-theme="blue"] i { background: #5dbbff; }
.builder-theme-button[data-theme="gold"] i, .theme-button[data-theme="gold"] i { background: #d6a43a; }
.builder-theme-button[data-theme="red"] i, .theme-button[data-theme="red"] i { background: #e32020; }
.builder-theme-button[data-custom-theme="true"] i { background: #b98cff; }
.theme-selected { margin-left: auto; opacity: 0; color: #9fe6bf; }
.theme-button.is-active .theme-selected, .theme-button.is-active > .theme-selected, .builder-theme-button.is-active .theme-selected { opacity: 1; }
.accent-control { display: grid; grid-template-columns: minmax(0, 1fr) 44px 44px; align-items: end; gap: 7px; margin-top: 8px; }
.accent-control .builder-field { margin-top: 0; }
.accent-control input[type="color"] { width: 44px; height: 44px; padding: 3px; border: 1px solid var(--editor-line); background: #071018; cursor: pointer; }
.accent-preview { width: 44px; height: 44px; display: block; border: 1px solid rgba(255,255,255,.25); box-shadow: inset 0 0 0 3px rgba(0,0,0,.25); }
.builder-warning { min-height: 15px; margin: 6px 0 0; color: #ffbf80; font-size: 9px; }
.builder-action-row, .technology-row-actions, .dialog-actions, .icon-picker-filters { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 8px; }
.builder-action-row .builder-button, .technology-row-actions .builder-button { flex: 1 1 100px; }
.technology-editor-row { padding-right: 52px; }
.technology-icon-actions { display: grid; grid-template-columns: 44px minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: 7px; margin-top: 8px; }
.builder-icon-preview { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid rgba(107,148,171,.28); background: rgba(2,9,14,.72); color: var(--cv-focus-light); font-size: 10px; text-align: center; overflow: hidden; }
.builder-icon-preview img { width: 30px; height: 30px; object-fit: contain; }
.stack-chip .custom-tech-icon, .stack-chip .manifest-tech-icon { display: block; width: 4mm; height: 4mm; object-fit: contain; }
.stack-chip .custom-tech-icon { max-width: 7mm; max-height: 4.4mm; }
.stack-chip .manifest-tech-icon--original { filter: none; }
.icon-picker-dialog { width: min(620px, calc(100vw - 28px)); max-height: min(720px, calc(100vh - 28px)); border: 1px solid rgba(107,148,171,.42); padding: 18px; background: #0a151e; color: #e9f3f6; box-shadow: 0 24px 80px rgba(0,0,0,.6); }
.icon-picker-dialog::backdrop { background: rgba(1,4,7,.72); backdrop-filter: blur(3px); }
.icon-picker-dialog form { display: grid; gap: 9px; }
.dialog-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.dialog-heading strong { display: block; color: #f5fbff; font-size: 16px; letter-spacing: .08em; text-transform: uppercase; }
.icon-picker-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(105px, 1fr)); gap: 7px; max-height: 360px; overflow: auto; padding: 2px; }
.icon-picker-option { min-height: 92px; display: grid; place-items: center; gap: 4px; border: 1px solid rgba(107,148,171,.22); background: rgba(4,13,19,.72); color: #dcebf1; cursor: pointer; padding: 8px; text-align: center; }
.icon-picker-option:hover, .icon-picker-option:focus-visible, .icon-picker-option.is-selected { border-color: var(--cv-focus-light); background: rgba(25,94,143,.25); }
.icon-picker-option img { width: 34px; height: 34px; object-fit: contain; }
.icon-picker-option span { font-size: 10px; }
.icon-picker-option small { color: var(--editor-muted); font-size: 8px; text-transform: uppercase; }
.icon-picker-selection { min-height: 44px; display: flex; align-items: center; padding: 0 10px; border: 1px solid rgba(86,186,255,.22); color: #9fdcff; font-size: 10px; }
.dialog-actions .builder-button { flex: 1; }
.workspace.sidebar-collapsed { grid-template-columns: 58px minmax(0, 1fr); }
.workspace.sidebar-collapsed .inspector { padding-inline: 7px; overflow: hidden; }
.workspace.sidebar-collapsed .inspector > *:not(.inspector-heading) { display: none; }
.workspace.sidebar-collapsed .inspector-heading { justify-content: center; padding: 0; border-bottom: 0; }
.workspace.sidebar-collapsed .inspector-heading > div, .workspace.sidebar-collapsed .inspector-index { display: none; }
.workspace.sidebar-collapsed .drawer-close { display: block; margin: 0; font-size: 0; border: 0; }
.workspace.sidebar-collapsed .drawer-close::before { content: '›'; font-size: 26px; color: var(--cv-focus-light); }

@media (max-width: 1100px) {
  .app-bar { position: sticky; }
  .app-actions { width: auto; }
  .workspace { display: block; }
  .inspector { position: fixed; z-index: 30; top: 72px; bottom: 0; left: 0; width: min(340px, calc(100vw - 20px)); max-height: none; overflow: auto; padding: 14px 14px 30px; border-right: 1px solid var(--editor-line); background: rgba(4,10,15,.98); transform: translateX(-105%); transition: transform .2s ease; }
  .inspector { visibility: hidden; }
  .workspace.editor-open .inspector { transform: translateX(0); }
  .workspace.editor-open .inspector { visibility: visible; }
  .workspace.editor-open .inspector > .inspector-heading { display: flex; }
  .workspace.editor-open .inspector > .inspector-card,
  .workspace.editor-open .inspector > .overflow-status,
  .workspace.editor-open .inspector > .inspector-footnote { display: block; }
  .workspace.editor-open::before { content: ''; position: fixed; z-index: 20; inset: 72px 0 0; background: rgba(0,0,0,.48); }
  .drawer-close { display: block; }
  .workspace.sidebar-collapsed { display: block; }
  .workspace.sidebar-collapsed .inspector { padding: 14px; transform: translateX(-105%); }
  .canvas-stage { min-height: calc(100vh - 72px); padding: 24px 18px 50px; }
  .editor-toggle { display: inline-flex; }
}

@media (max-width: 680px) {
  .app-bar { padding: 10px 12px; gap: 10px; }
  .app-brand-logo { width: 30px; height: 30px; flex-basis: 30px; }
  .app-brand strong { font-size: 10px; }
  .app-brand small { font-size: 7px; }
  .app-actions { gap: 5px; }
  .theme-switcher { display: none; }
  .print-mode-control { display: none; }
  .app-actions .toolbar-divider, .app-actions [data-action="zoom-out"], .app-actions [data-action="zoom-in"], .app-actions [data-action="zoom-75"], .app-actions [data-action="zoom-100"], .app-actions [data-action="zoom-125"] { display: none; }
  .tool-button { padding-inline: 9px; }
  .canvas-stage { padding: 20px 8px 40px; }
  .inspector { top: 62px; width: min(340px, calc(100vw - 12px)); }
  .workspace.editor-open::before { inset: 62px 0 0; }
  .accent-control { grid-template-columns: minmax(0, 1fr) 44px 44px; }
}