/*
 * Editorial Studio skin
 *
 * A restrained, print-inspired layer for Diagram Studio. It deliberately uses
 * the Diagram Design palette as semantic roles rather than copying a diagram
 * template: paper, ink, rule, muted, accent, and link.
 */

:root {
  color-scheme: light;
  font-family:
    Inter, Pretendard, "Noto Sans KR", ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  --editorial-title: "Iowan Old Style", "Palatino Linotype", "Noto Serif KR", Georgia, serif;
  --editorial-sans:
    Inter, Pretendard, "Noto Sans KR", ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  --editorial-mono:
    "SFMono-Regular", "Cascadia Code", "Noto Sans KR", ui-monospace, Menlo,
    Consolas, monospace;
  --bg: #f5f5f5;
  --chrome: #f5f5f5;
  --panel: #f5f5f5;
  --panel-raised: #ececec;
  --panel-border: rgba(45, 49, 66, 0.12);
  --panel-border-strong: #bfc0c0;
  --text: #2d3142;
  --text-subtle: #4f5d75;
  --text-muted: #657085;
  --accent: #eb6c36;
  --accent-strong: #f08a59;
  --accent-soft: rgba(235, 108, 54, 0.1);
  --success: #65785b;
  --danger: #ad5149;
  --warning: #b8915a;
  --canvas: #f5f5f5;
  --shadow: none;
  --radius: 6px;
}

html,
body,
.app-shell,
.app-content,
.source-page,
.explorer-layout {
  background: var(--bg);
}

button,
input,
select,
textarea {
  font-family: var(--editorial-sans);
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.svg-viewport:focus-visible {
  outline-color: var(--accent);
}

/* Chrome: quiet paper surfaces separated by rules, not cards or shadows. */
.topbar,
.panel,
.panel-header,
.panel-footer,
.statusbar,
.layers-panel,
.layers-footer,
.inspector-footer,
.preview-header,
.source-header,
.settings-card,
.dialog,
.dialog-header,
.dialog-footer,
.customizer-sidebar,
.preview-container,
.erd-card-actions {
  background: var(--panel);
}

.topbar,
.panel-header,
.panel-footer,
.statusbar,
.layers-panel,
.preview-container,
.customizer-sidebar,
.dialog,
.settings-card,
.erd-gallery-card {
  border-color: var(--panel-border);
  box-shadow: none;
}

.topbar {
  padding-inline: 14px;
  gap: 12px;
}

.toolbar {
  flex: 1 1 0%;
  min-width: 0;
  margin-inline-start: auto;
  justify-content: safe flex-end;
  overflow-x: auto;
  scrollbar-width: none;
  gap: 5px;
}

.toolbar::-webkit-scrollbar {
  display: none;
}

.toolbar .button {
  padding-inline: 8px;
}

.toolbar select {
  max-width: 168px;
}

.brand {
  gap: 10px;
}

.brand-mark {
  width: 27px;
  height: 27px;
  border: 1px solid var(--text);
  border-radius: 4px;
  background: transparent;
  box-shadow: none;
}

.brand-mark span {
  border-radius: 1px;
  background: var(--accent);
  box-shadow: none;
}

.brand-mark::before,
.brand-mark::after {
  background: var(--text);
}

.brand-copy strong {
  color: var(--text);
  font-family: var(--editorial-title);
  font-size: 16px;
  font-weight: 400;
  letter-spacing: -0.025em;
}

.brand-copy small {
  color: var(--text-muted);
  font-family: var(--editorial-mono);
  font-size: 8px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* The Theme Explorer has a single-node mark rather than the Studio's SVG-like mark. */
a.brand .brand-mark::after {
  width: 9px;
  height: 9px;
  border-radius: 1px;
  background: var(--accent);
}

.primary-nav,
.view-mode-nav,
.inspector-aspect-tabs,
.filter-mode-tabs {
  border-color: var(--panel-border);
  border-radius: 5px;
  background: transparent;
}

.primary-nav-button,
.view-mode-button,
.inspector-aspect-button,
.segment-button {
  border-radius: 3px;
  color: var(--text-muted);
  font-family: var(--editorial-mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.primary-nav-button:hover,
.view-mode-button:hover,
.inspector-aspect-button:hover,
.segment-button:hover {
  color: var(--text);
  background: var(--panel-raised);
}

.primary-nav-button.is-active,
.primary-nav-button[aria-current="page"],
.view-mode-button.is-active,
.view-mode-button[aria-selected="true"],
.inspector-aspect-button.is-active,
.segment-button.is-active {
  color: var(--text);
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.toolbar-divider,
.dot-separator {
  background: var(--panel-border);
  color: var(--panel-border-strong);
}

.button,
.icon-button,
.select-input {
  border-radius: 4px;
  box-shadow: none;
  font-family: var(--editorial-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.015em;
  transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease;
}

.toolbar .button,
.toolbar .icon-button {
  flex-shrink: 0;
  white-space: nowrap;
}

.button:active,
.icon-button:active {
  transform: none;
}

.button-quiet,
.icon-button,
.select-input {
  border-color: var(--panel-border);
  background: transparent;
  color: var(--text-subtle);
}

.button-quiet:hover,
.icon-button:hover,
.select-input:hover {
  border-color: var(--panel-border-strong);
  background: var(--panel-raised);
  color: var(--text);
}

.button-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #2d3142;
}

.button-primary:hover {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
}

.button-accent,
.sidebar-open-button,
.inspector-open-button {
  border-color: rgba(235, 108, 54, 0.42);
  background: var(--accent-soft);
  color: #b84f24;
}

.button-accent:hover,
.sidebar-open-button:hover,
.inspector-open-button:hover {
  border-color: var(--accent);
  background: rgba(235, 108, 54, 0.16);
  color: #9f431c;
}

.status-chip,
.scope-badge,
.object-kind,
.layer-badge,
.erd-card-badge,
.timeline-badge {
  border: 1px solid var(--panel-border);
  border-radius: 3px;
  background: transparent;
  color: var(--text-subtle);
  font-family: var(--editorial-mono);
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 0.07em;
}

.status-chip,
.object-kind,
.timeline-badge {
  border-color: rgba(235, 108, 54, 0.42);
  background: var(--accent-soft);
  color: #a94720;
}

.panel-header {
  min-height: 52px;
  padding-inline: 14px;
}

.panel-header h1,
.layers-header h1,
.layers-section .group-heading h3,
.property-group h3,
.group-heading h3,
.filter-mode-label {
  color: var(--text);
  font-family: var(--editorial-mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.09em;
}

.panel-header p,
.layers-header p,
.panel-footer,
.statusbar,
.field-help,
.settings-page-header p,
.settings-card header p,
.settings-note,
.layer-counts,
.zoom-status {
  color: var(--text-muted);
}

.search-box input,
.focus-controls select {
  border-color: var(--panel-border-strong);
  border-radius: 4px;
  background: var(--panel);
  color: var(--text);
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.panel-header p,
.layers-header p,
.field-help,
.settings-page-header p,
.settings-card header p,
.settings-note {
  font-size: 10px;
}

/* The canvas is intentionally plain paper. A grid would compete with the diagram. */
.canvas-shell {
  background: var(--canvas);
  background-image: none;
}

.svg-viewport {
  padding: 48px;
}

.svg-stage > svg,
.erd-card-svg-container svg {
  filter: none;
}

.render-state {
  border-color: var(--panel-border-strong);
  border-radius: 4px;
  background: rgba(245, 245, 245, 0.96);
  color: var(--text-subtle);
  box-shadow: none;
  backdrop-filter: none;
}

.spinner {
  border-color: var(--panel-border-strong);
  border-top-color: var(--accent);
}

.svg-stage g.is-selected,
.svg-stage g.cluster:hover > polygon,
.svg-stage g.cluster:hover > path,
.svg-stage g.is-layer-glow,
.svg-stage.has-layer-highlight g.node.is-layer-hovered {
  filter: none !important;
}

.svg-stage g.node.is-selected polygon,
.svg-stage g.node.is-selected path,
.svg-stage g.node.is-selected ellipse,
.svg-stage g.edge.is-selected path,
.svg-stage g.cluster.is-selected > polygon,
.svg-stage g.cluster.is-selected > path {
  stroke: var(--accent) !important;
}

.svg-stage g.edge.is-selected polygon {
  fill: var(--accent) !important;
  stroke: var(--accent) !important;
}

.svg-stage g.edge text,
.svg-stage g.cluster text {
  stroke: var(--canvas);
}

/* Treat the sidebars as a continuous column of editorial rows. */
.layers-content {
  gap: 18px;
}

.preset-chip,
.layer-item-card,
.layer-solo-button,
.filter-mode-btn,
.object-row,
.settings-card,
.erd-gallery-card,
.shape-card,
.color-swatch-palette {
  border-color: var(--panel-border);
  border-radius: 4px;
  background: transparent;
  box-shadow: none;
}

.preset-chip:hover,
.layer-item-card:hover,
.layer-solo-button:hover,
.object-row:hover,
.shape-card:hover {
  border-color: var(--panel-border-strong);
  background: var(--panel-raised);
  box-shadow: none;
  transform: none;
}

.preset-chip.is-active,
.filter-mode-btn.is-active,
.shape-card.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--text);
  box-shadow: none;
}

.layer-item-card {
  background: rgba(45, 49, 66, 0.018);
}

.layer-item-card:hover {
  background: rgba(45, 49, 66, 0.045);
}

.layer-color-dot {
  box-shadow: none;
}

.layer-name,
.settings-card header h2,
.selection-summary h2,
.empty-inspector h2,
.preview-title-group h2,
.erd-card-title {
  color: var(--text);
  font-family: var(--editorial-sans);
}

.layer-solo-button {
  color: var(--text-muted);
}

.panel-resizer {
  background: var(--panel-border);
}

.panel-resizer:hover,
.panel-resizer.is-dragging {
  background: var(--accent);
  box-shadow: none;
}

.selection-summary,
.inspector-content,
.view-state-property {
  background: var(--panel);
}

.overview-card {
  border-color: var(--panel-border);
  border-radius: 4px;
  background: rgba(45, 49, 66, 0.018);
}

.overview-card strong {
  color: var(--text);
  font-family: var(--editorial-title);
  font-weight: 400;
}

.overview-card span {
  color: var(--text-muted);
  font-family: var(--editorial-mono);
}

.selection-summary {
  border-bottom-color: var(--panel-border);
}

.property-group,
.layers-footer,
.settings-definition-list div,
.settings-toggle {
  border-color: var(--panel-border);
}

.definition-list dd,
.selection-summary code,
.settings-definition-list dd,
.field-label,
.field-label-caption,
.settings-field {
  color: var(--text-subtle);
  font-family: var(--editorial-mono);
}

.dialog input,
.dialog select,
.inspector-content input,
.inspector-content select,
.inspector-content textarea,
.settings-field select,
.settings-field input,
.number-input,
.status-select,
.property-status-select,
.timeline-preset-select,
.timeline-rate-select {
  border-color: var(--panel-border-strong);
  border-radius: 4px;
  background: var(--panel);
  color: var(--text);
  box-shadow: none;
}

.dialog input:focus,
.dialog select:focus,
.inspector-content input:focus,
.inspector-content select:focus,
.inspector-content textarea:focus,
.settings-field select:focus,
.settings-field input:focus,
.number-input:focus,
.status-select:focus,
.property-status-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(235, 108, 54, 0.16);
}

/* Source keeps a compact terminal register for the raw technical artifact. */
.editor-wrap,
#dot-editor,
.full-source-editor,
.context-editor {
  background: #141414;
}

#dot-editor {
  background-image: none;
  color: #f5f5f5;
  caret-color: var(--accent-strong);
  font-family: var(--editorial-mono);
}

#dot-editor::selection {
  background: rgba(235, 108, 54, 0.34);
}

.segmented-control {
  border-color: rgba(245, 245, 245, 0.2);
  border-radius: 4px;
  background: #141414;
}

.segment-button.is-active {
  border-radius: 3px;
  background: rgba(235, 108, 54, 0.16);
  color: #f5f5f5;
  box-shadow: inset 0 0 0 1px var(--accent);
}

.context-summary,
.context-card-header,
.context-card-meta {
  border-color: rgba(245, 245, 245, 0.1);
  background: #1b1b1b;
}

.context-summary h2,
.context-card-title strong {
  color: #f5f5f5;
  font-family: var(--editorial-sans);
}

.context-card,
.context-card[data-role="inherited"] {
  border-color: rgba(245, 245, 245, 0.14);
  border-radius: 4px;
  background: #1b1b1b;
}

.context-card[data-role="direct"] {
  border-left-color: var(--accent);
}

.context-card.is-editing,
.context-card.is-targeted {
  border-color: var(--accent);
  border-left-color: var(--accent);
  box-shadow: none;
}

.context-role,
.context-card[data-role="related"] .context-role,
.context-card[data-role="inherited"] .context-role {
  border: 1px solid rgba(235, 108, 54, 0.44);
  border-radius: 3px;
  background: rgba(235, 108, 54, 0.12);
  color: #f08a59;
  font-family: var(--editorial-mono);
}

.legend-dot.direct {
  background: var(--accent);
}

.context-code,
.context-code[readonly] {
  background: #0a0a0a;
  background-image: none;
  color: #f5f5f5;
  caret-color: var(--accent-strong);
  font-family: var(--editorial-mono);
}

.context-code[readonly] {
  color: #bfc0c0;
}

.context-code::selection {
  background: rgba(235, 108, 54, 0.34);
}

.settings-page {
  background: var(--bg);
}

.settings-page-header h1 {
  color: var(--text);
  font-family: var(--editorial-title);
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 400;
  letter-spacing: -0.035em;
}

.settings-card {
  padding: 20px;
  background: rgba(45, 49, 66, 0.018);
}

.settings-card header h2 {
  font-family: var(--editorial-title);
  font-size: 18px;
  font-weight: 400;
}

.timeline-player-dock {
  border-color: #2d3142;
  border-radius: 6px;
  background: #2d3142;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.timeline-player-dock .button-quiet,
.timeline-player-dock .icon-button,
.timeline-player-dock select,
.timeline-player-dock .timeline-annotation-card,
.timeline-player-dock .timeline-step-chip {
  border-color: rgba(245, 245, 245, 0.18);
  background: transparent;
  color: #f5f5f5;
}

.timeline-player-dock .timeline-step-chip.is-active,
.timeline-player-dock .timeline-badge {
  border-color: var(--accent);
  background: rgba(235, 108, 54, 0.18);
  color: #f5f5f5;
  box-shadow: none;
}

/* Gallery cards use the same paper-and-rule treatment as the workspace. */
.erd-gallery-card,
.erd-card-preview-shell,
.erd-card-preview-area,
.erd-mini-table {
  box-shadow: none;
}

.erd-card-preview-shell,
.erd-card-preview-area {
  border-color: var(--panel-border);
}

.erd-swatch {
  border-color: var(--panel-border);
  box-shadow: none;
}

@media (max-width: 880px) {
  .topbar {
    padding-inline: 12px;
  }

  .svg-viewport {
    padding: 32px;
  }
}

@media (max-width: 1380px) {
  .topbar {
    gap: 8px;
    padding-inline: 12px;
  }

  .brand {
    min-width: 200px;
  }

  #profile-summary {
    display: none;
  }

  .toolbar {
    gap: 4px;
  }

  .toolbar-divider {
    margin-inline: 1px;
  }

  .toolbar .button {
    padding-inline: 8px;
  }

  .primary-nav-button {
    min-width: 56px;
    padding-inline: 8px;
  }

  .view-mode-button {
    padding-inline: 8px;
  }

  .toolbar-label {
    display: none;
  }

  #fixture-select {
    width: 138px;
  }

  #theme-select {
    width: 132px;
  }
}

/* Theme Explorer has four header groups; at compact widths retain navigation,
   the active theme picker, and export rather than allowing controls to overlap. */
@media (max-width: 760px) {
  .topbar > a.brand {
    min-width: 30px;
    width: 30px;
    flex: 0 0 30px;
  }

  .topbar > a.brand .brand-copy {
    display: none;
  }

  .topbar > .primary-nav,
  .topbar > .view-mode-nav,
  .topbar > .toolbar {
    flex: 0 0 auto;
  }

  .topbar > .primary-nav,
  .topbar > .view-mode-nav {
    gap: 1px;
    padding: 2px;
  }

  .topbar > .primary-nav .primary-nav-button {
    min-width: 42px;
    padding-inline: 6px;
  }

  .topbar > .view-mode-nav .view-mode-button {
    min-width: 0;
    padding-inline: 6px;
    font-size: 8px;
  }

  .topbar > .toolbar {
    gap: 4px;
    margin-left: auto;
  }

  .topbar > .toolbar .toolbar-group:first-child {
    display: none;
  }

  .topbar > .toolbar #theme-select {
    width: 104px;
    min-width: 104px;
    padding-inline: 6px;
    font-size: 9px;
  }

  .topbar > .toolbar #export-svg-button {
    min-width: 56px;
    padding-inline: 6px;
    font-size: 9px;
  }
}