/* ============================================================================
   components-ext-nav.css — MMD Central Design System, CDS expansion round
   (2026-09-02). Ben named this explicitly: "ribbon design". Office-style
   grouped ribbon toolbar with tabs, built on the existing .gsp-tool /
   .gsp-toolbar visual language (silver bar, red-plate tool buttons) rather
   than inventing a new button skin.
   ========================================================================= */

/* ---- Ribbon toolbar: tab strip + grouped tool clusters ---- */

.ds-ribbon {
  display: flex; flex-direction: column;
  background: var(--rp-toolbar, var(--paper)); border: 1px solid var(--rp-line-2, var(--hairline));
  border-radius: var(--rp-radius, var(--ds-radius-sm));
}

.ds-ribbon-tabs {
  display: flex; align-items: flex-end; gap: 2px; padding: 4px 8px 0;
  border-bottom: 1px solid var(--rp-line-2, var(--hairline));
}
.ds-ribbon-tab {
  border: 1px solid transparent; border-bottom: 0; background: transparent;
  color: var(--rp-ink-mute, var(--ink-mute)); font-family: var(--font-mono);
  font-size: 10px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 6px 14px; cursor: pointer; border-radius: 3px 3px 0 0;
}
.ds-ribbon-tab:hover { color: var(--rp-ink, var(--ink)); }
.ds-ribbon-tab[data-active="true"] {
  background: var(--rp-white, var(--paper)); border-color: var(--rp-line-2, var(--hairline));
  color: var(--rp-ink, var(--ink)); position: relative; top: 1px;
}

.ds-ribbon-groups {
  display: flex; align-items: stretch; gap: 0; padding: 6px 8px; overflow-x: auto;
}
.ds-ribbon-group {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 2px 12px; border-right: 1px solid var(--rp-line-2, var(--hairline));
}
.ds-ribbon-group:last-child { border-right: 0; }
.ds-ribbon-group-buttons { display: flex; align-items: center; gap: 4px; }
.ds-ribbon-group-label {
  font-family: var(--font-mono); font-size: 8px; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--rp-ink-mute, var(--ink-mute)); white-space: nowrap;
}

.ds-ribbon-btn {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px; width: 52px; height: 46px; border: 1px solid transparent;
  border-radius: var(--rp-radius, var(--ds-radius-sm)); background: transparent;
  color: var(--rp-ink, var(--ink)); cursor: pointer; padding: 4px;
}
.ds-ribbon-btn:hover { background: var(--rp-white, var(--paper)); border-color: var(--rp-border-strong, var(--hairline-dark)); }
.ds-ribbon-btn[data-on="true"] { background: var(--rp-ink, var(--ink)); color: var(--rp-white, var(--paper)); }
.ds-ribbon-btn:disabled { color: var(--rp-ink-mute, var(--ink-mute)); cursor: not-allowed; opacity: 0.55; }
.ds-ribbon-btn-glyph { width: 17px; height: 17px; }
.ds-ribbon-btn-label {
  font-family: var(--font-ui); font-size: 8.5px; font-weight: 600; letter-spacing: 0.01em;
  line-height: 1.1; text-align: center;
}

/* Compact (icon-only, no stacked label) ribbon tool -- toolbar-row height,
   for a group that needs more items than the stacked layout allows. */
.ds-ribbon-btn--flat {
  flex-direction: row; width: auto; height: 26px; gap: 5px; padding: 0 8px;
}
.ds-ribbon-btn--flat .ds-ribbon-btn-glyph { width: 13px; height: 13px; }
.ds-ribbon-btn--flat .ds-ribbon-btn-label { font-size: 9.5px; }

.ds-ribbon-sep { width: 1px; align-self: stretch; margin: 4px 2px; background: var(--rp-line-2, var(--hairline)); }

/* Launcher arrow in the bottom-right corner of a group, opening the
   group's full dialog (the "little arrow" Office ribbons use). */
.ds-ribbon-group-launcher {
  align-self: flex-end; width: 12px; height: 12px; border: 0; background: transparent;
  color: var(--rp-ink-mute, var(--ink-mute)); cursor: pointer; padding: 0; margin-top: -2px;
}
.ds-ribbon-group-launcher:hover { color: var(--baobab); }

/* ---- Breadcrumb (verify + include: .ds-breadcrumbs already ships in
   components.css; this only adds the compact/dense modifier requested
   alongside the rest of the navigation family). ---- */
.ds-breadcrumbs--compact { font-size: 10px; gap: 4px; }

/* ---- Side tree navigation ---- */

.ds-tree { display: flex; flex-direction: column; font-family: var(--font-ui); font-size: 12px; }
.ds-tree-node { display: flex; flex-direction: column; }
.ds-tree-row {
  display: flex; align-items: center; gap: 5px; padding: 4px 8px 4px 0;
  border-radius: 3px; cursor: pointer; color: var(--ink);
}
.ds-tree-row:hover { background: var(--paper-2); }
.ds-tree-row[data-selected="true"] { background: var(--baobab-bg); color: var(--baobab); font-weight: 600; }
.ds-tree-toggle {
  flex: none; width: 16px; height: 16px; display: inline-flex; align-items: center; justify-content: center;
  border: 0; background: transparent; color: var(--ink-mute); cursor: pointer; padding: 0;
  font-family: var(--font-mono); font-size: 9px; transform: rotate(0deg); transition: transform 0.1s ease;
}
.ds-tree-node[data-expanded="true"] > .ds-tree-row > .ds-tree-toggle { transform: rotate(90deg); }
.ds-tree-toggle--leaf { visibility: hidden; }
.ds-tree-row-icon { flex: none; width: 14px; height: 14px; color: var(--ink-mute); }
.ds-tree-row-label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ds-tree-row-count {
  flex: none; font-family: var(--font-mono); font-size: 9.5px; color: var(--ink-faint);
}
.ds-tree-children { display: none; padding-left: 18px; border-left: 1px solid var(--hairline); margin-left: 7px; }
.ds-tree-node[data-expanded="true"] > .ds-tree-children { display: flex; flex-direction: column; }

/* ---- Accordion ---- */

.ds-accordion { display: flex; flex-direction: column; border: 1px solid var(--hairline); border-radius: var(--ds-radius-sm); overflow: hidden; }
.ds-accordion-item { border-bottom: 1px solid var(--hairline); }
.ds-accordion-item:last-child { border-bottom: 0; }
.ds-accordion-head {
  display: flex; align-items: center; justify-content: space-between; gap: 10px; width: 100%;
  padding: 11px 14px; background: var(--paper-2); border: 0; cursor: pointer; text-align: left;
  font-family: var(--font-ui); font-weight: 600; font-size: 12.5px; color: var(--ink);
}
.ds-accordion-head:hover { background: var(--rp-silver-2, var(--paper)); }
.ds-accordion-chevron {
  flex: none; width: 10px; height: 10px; color: var(--ink-mute); transition: transform 0.14s ease;
}
.ds-accordion-item[data-open="true"] .ds-accordion-chevron { transform: rotate(180deg); }
.ds-accordion-body { display: none; padding: 14px; background: var(--paper); font-size: 12px; color: var(--ink-soft); }
.ds-accordion-item[data-open="true"] .ds-accordion-body { display: block; }

/* ---- Command palette row (specimen: the list a Cmd/Ctrl-K palette shows;
   the modal shell that hosts it is .ds-modal--dialog, already shipped). ---- */

.ds-cmdk-input-row {
  display: flex; align-items: center; gap: 8px; padding: 12px 16px;
  border-bottom: 1px solid var(--hairline);
}
.ds-cmdk-input-glyph { flex: none; width: 15px; height: 15px; color: var(--ink-mute); }
.ds-cmdk-input {
  flex: 1; border: 0; background: transparent; font-family: var(--font-ui); font-size: 14px; color: var(--ink);
}
.ds-cmdk-list { display: flex; flex-direction: column; padding: 6px; max-height: 260px; overflow-y: auto; }
.ds-cmdk-group-label {
  font-family: var(--font-mono); font-size: 9px; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--ink-faint); padding: 6px 8px 2px;
}
.ds-cmdk-row {
  display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: var(--ds-radius-sm);
  cursor: pointer; font-family: var(--font-ui); font-size: 12.5px; color: var(--ink);
}
.ds-cmdk-row:hover, .ds-cmdk-row[data-active="true"] { background: var(--baobab-bg); color: var(--baobab); }
.ds-cmdk-row-icon { flex: none; width: 15px; height: 15px; color: var(--ink-mute); }
.ds-cmdk-row-label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ds-cmdk-row-kbd {
  flex: none; font-family: var(--font-mono); font-size: 9.5px; color: var(--ink-mute);
  border: 1px solid var(--hairline); border-radius: 3px; padding: 1px 5px;
}

/* ============================================================================
   Batch 2 (2026-09-03) — navigation: wizard/stepper (horizontal + vertical),
   carousel, numbered pagination (additive to the existing prev/next
   .gsp-tool pattern in the gallery's Filters/pagination section), menubar
   and navigation-menu variants (shadcn parity).
   ========================================================================= */

/* ---- Wizard / stepper ---- */
.ds-stepper { display: flex; align-items: flex-start; }
.ds-stepper--vertical { flex-direction: column; }
.ds-stepper-step { display: flex; align-items: center; gap: 8px; flex: 1; }
.ds-stepper--vertical .ds-stepper-step { flex: none; align-items: flex-start; }
.ds-stepper-node {
  flex: none; width: 22px; height: 22px; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; font-family: var(--font-mono); font-size: 10.5px; font-weight: 700;
  border: 1.5px solid var(--hairline-dark); background: var(--rp-white, var(--paper)); color: var(--ink-mute);
}
.ds-stepper-step[data-ds-state="done"] .ds-stepper-node { background: var(--signal-grass); border-color: var(--signal-grass); color: var(--rp-white, var(--paper)); }
.ds-stepper-step[data-ds-state="current"] .ds-stepper-node { background: var(--baobab); border-color: var(--baobab); color: var(--baobab-on, var(--paper)); }
.ds-stepper-step[data-ds-state="blocked"] .ds-stepper-node { border-color: var(--signal-amber); color: var(--signal-amber); }
.ds-stepper-label { display: flex; flex-direction: column; gap: 1px; }
.ds-stepper-label-title { font-family: var(--font-ui); font-size: 12px; font-weight: 600; color: var(--ink); }
.ds-stepper-label-sub { font-size: 10.5px; color: var(--ink-mute); }
.ds-stepper-connector { flex: 1; height: 1.5px; background: var(--hairline-dark); margin: 0 6px; align-self: center; }
.ds-stepper-step[data-ds-state="done"] + .ds-stepper-connector { background: var(--signal-grass); }
.ds-stepper--vertical .ds-stepper-connector { width: 1.5px; height: 20px; margin: 2px 0 2px 10px; align-self: flex-start; }

/* ---- Carousel: keyboard + buttons, no autoplay ---- */
.ds-carousel { position: relative; display: flex; flex-direction: column; gap: 8px; }
.ds-carousel-viewport { overflow: hidden; border-radius: var(--ds-radius-sm); border: 1px solid var(--hairline); }
.ds-carousel-track { display: flex; transition: transform 0.22s ease; }
.ds-carousel-slide { flex: 0 0 100%; min-width: 0; display: flex; align-items: center; justify-content: center; padding: 24px; font-family: var(--font-display); font-style: italic; font-size: 15px; color: var(--ink-soft); background: var(--paper-2); }
.ds-carousel-controls { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.ds-carousel-btn { border: 1px solid var(--hairline-dark); background: var(--rp-white, var(--paper)); color: var(--ink); cursor: pointer; width: 26px; height: 26px; border-radius: 50%; }
.ds-carousel-btn:hover { border-color: var(--baobab); color: var(--baobab); }
.ds-carousel-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.ds-carousel-dots { display: flex; align-items: center; gap: 5px; }
.ds-carousel-dot { border: 0; background: var(--rp-line-2, var(--hairline)); cursor: pointer; width: 6px; height: 6px; border-radius: 50%; padding: 0; }
.ds-carousel-dot[data-ds-active="true"] { background: var(--baobab); width: 14px; border-radius: 3px; }

/* ---- Pagination: numbered variant (additive -- the gallery's Filters/
   pagination section already shows the simpler prev/next .gsp-tool
   pattern; this is a second real variant for a page-number list). ---- */
.ds-pagination { display: flex; align-items: center; gap: 3px; }
.ds-pagination-btn {
  border: 1px solid transparent; background: transparent; color: var(--ink-mute); cursor: pointer;
  min-width: 24px; height: 24px; padding: 0 4px; border-radius: var(--ds-radius-sm);
  font-family: var(--font-mono); font-size: 11px;
}
.ds-pagination-btn:hover:not(:disabled) { border-color: var(--hairline-dark); color: var(--ink); }
.ds-pagination-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.ds-pagination-btn[data-ds-active="true"] { background: var(--rp-ink, var(--ink)); color: var(--rp-white, var(--paper)); font-weight: 700; }
.ds-pagination-ellipsis { color: var(--ink-faint, var(--ink-mute)); padding: 0 2px; font-family: var(--font-mono); font-size: 11px; }

/* ---- Menubar (shadcn parity — a top-level command menubar distinct from
   .gsp-menu's screen-tab strip; File/Edit/View style). ---- */
.ds-menubar { display: flex; align-items: center; gap: 2px; padding: 3px; background: var(--rp-silver, var(--paper-2)); border: 1px solid var(--rp-line-2, var(--hairline)); border-radius: var(--rp-radius, var(--ds-radius-sm)); }
.ds-menubar-item { position: relative; }
.ds-menubar-trigger { border: 0; background: transparent; color: var(--ink); cursor: pointer; padding: 5px 10px; border-radius: 3px; font-family: var(--font-ui); font-size: 12px; font-weight: 600; }
.ds-menubar-trigger:hover, .ds-menubar-item[data-open="true"] .ds-menubar-trigger { background: var(--rp-white, var(--paper)); }
.ds-menubar-menu {
  position: absolute; top: calc(100% + 3px); left: 0; z-index: 40; min-width: 170px; display: none;
  background: var(--rp-white, var(--paper)); border: 1px solid var(--rp-border-strong, var(--hairline-dark));
  border-radius: var(--rp-radius, var(--ds-radius-sm)); box-shadow: var(--shadow-drag); padding: 4px;
}
.ds-menubar-item[data-open="true"] .ds-menubar-menu { display: block; }
.ds-menubar-menu-item { display: flex; align-items: center; justify-content: space-between; gap: 10px; width: 100%; border: 0; background: transparent; cursor: pointer; padding: 7px 10px; border-radius: 3px; text-align: left; font-size: 12px; color: var(--ink); }
.ds-menubar-menu-item:hover { background: var(--baobab-bg); color: var(--baobab); }
.ds-menubar-menu-item-kbd { font-family: var(--font-mono); font-size: 9.5px; color: var(--ink-mute); }
.ds-menubar-sep { height: 1px; background: var(--hairline); margin: 4px 2px; }

/* ---- Navigation-menu (shadcn parity — a horizontal top-level nav with
   a mega-panel dropdown per item, distinct from .ds-menubar's compact
   command-menu items above). ---- */
.ds-nav-menu { display: flex; align-items: center; gap: 4px; }
.ds-nav-menu-item { position: relative; }
.ds-nav-menu-trigger { display: flex; align-items: center; gap: 5px; border: 0; background: transparent; color: var(--ink); cursor: pointer; padding: 8px 4px; font-family: var(--font-ui); font-size: 13px; font-weight: 600; }
.ds-nav-menu-trigger:hover, .ds-nav-menu-item[data-open="true"] .ds-nav-menu-trigger { color: var(--baobab); }
.ds-nav-menu-chevron { width: 8px; height: 8px; transition: transform 0.14s ease; }
.ds-nav-menu-item[data-open="true"] .ds-nav-menu-chevron { transform: rotate(180deg); }
.ds-nav-menu-panel {
  position: absolute; top: 100%; left: 0; z-index: 40; display: none; min-width: 280px;
  background: var(--rp-white, var(--paper)); border: 1px solid var(--rp-border-strong, var(--hairline-dark));
  border-radius: var(--rp-radius, var(--ds-radius-sm)); box-shadow: var(--shadow-drag); padding: 10px;
}
.ds-nav-menu-item[data-open="true"] .ds-nav-menu-panel { display: block; }
.ds-nav-menu-panel-link { display: block; padding: 7px 8px; border-radius: 3px; font-size: 12px; color: var(--ink); }
.ds-nav-menu-panel-link:hover { background: var(--baobab-bg); color: var(--baobab); }
.ds-nav-menu-panel-link-desc { display: block; font-size: 10.5px; color: var(--ink-mute); margin-top: 1px; }