/* Shared brand, navigation, account controls and preferences for all workspaces. */
:root {
  --platform-bg: #f3f6f9;
  --platform-panel: #ffffff;
  --platform-raised: #f1f5f9;
  --platform-text: #283e50;
  --platform-muted: #617184;
  --platform-line: #dce5ee;
  --platform-accent: #2f7bb2;
  --platform-accent-soft: #eaf2f7;
  --platform-radius: 10px;
  --platform-sidebar-width: 216px;
  --ui-accent: var(--platform-accent);
  --ui-accent-soft: var(--platform-accent-soft);
  --ui-panel: var(--platform-panel);
  --ui-soft: var(--platform-raised);
  --ui-line: var(--platform-line);
  --ui-text: var(--platform-text);
  --ui-muted: var(--platform-muted);
  --ui-radius: var(--platform-radius);
}
html.hr-theme-dark {
  --platform-bg: #111b26;
  --platform-panel: #1b2a39;
  --platform-raised: #203243;
  --platform-text: #e4edf5;
  --platform-muted: #b7c8d5;
  --platform-line: #354a5f;
  --platform-accent: #8dccf3;
  --platform-accent-soft: #1f3b51;
  color-scheme: dark;
}
zt-workspace-switcher, zt-platform-tools { display: block; min-width: 0; }
zt-workspace-switcher { margin-top: auto; }
zt-platform-tools[hidden] { display: none; }
.platform-workspaces { padding: 16px 12px; border-top: 1px solid var(--platform-line); }
.platform-workspace-label { display: block; padding: 0 10px 8px; color: var(--platform-muted); font-size: 11px; letter-spacing: .5px; }
.platform-workspace-buttons { display: grid; gap: 5px; }
.platform-workspace-button {
  display: flex; align-items: center; gap: 9px; width: 100%; min-width: 0; min-height: 36px;
  margin: 0; padding: 8px 10px; border: 1px solid transparent; border-radius: 7px;
  background: transparent; color: var(--platform-muted); font: inherit; font-size: 12px; line-height: 20px;
  text-align: left; cursor: pointer;
}
.platform-workspace-button svg { width: 17px; height: 17px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.platform-workspace-button:hover:not(:disabled) { color: var(--platform-text); background: var(--platform-raised); }
.platform-workspace-button[aria-current="page"] { color: var(--platform-accent); background: var(--platform-accent-soft); border-color: var(--platform-line); font-weight: 600; cursor: default; }
.platform-workspace-button:disabled:not([aria-current="page"]) { opacity: .6; cursor: wait; }
.platform-workspace-name { min-width: 0; white-space: nowrap; }
.platform-workspace-current { margin-left: auto; font-size: 10px; font-weight: 400; }
.platform-workspace-current[hidden] { display: none; }
.platform-appearance { margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--platform-line); }
.platform-appearance-trigger { display: flex; align-items: center; gap: 9px; width: 100%; min-height: 34px; margin: 0; padding: 7px 10px; border: 0; border-radius: 7px; background: transparent; color: var(--platform-muted); font: inherit; font-size: 12px; text-align: left; cursor: pointer; }
.platform-appearance-trigger svg { width: 17px; height: 17px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.platform-appearance-trigger:hover:not(:disabled) { background: var(--platform-raised); color: var(--platform-text); }
.platform-appearance-trigger:disabled { opacity: .6; cursor: wait; }
.platform-appearance-dialog { box-sizing: border-box; width: min(360px, calc(100vw - 32px)); max-height: calc(100dvh - 32px); margin: auto; padding: 22px; overflow: auto; border: 1px solid var(--platform-line); border-radius: 14px; background: var(--platform-panel); color: var(--platform-text); font: inherit; box-shadow: 0 20px 70px rgb(0 0 0 / 18%); }
.platform-appearance-dialog::backdrop { background: rgb(17 27 38 / 32%); }
.platform-appearance-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.platform-appearance-heading h2 { margin: 0; color: var(--platform-text); font-size: 16px; font-weight: 600; }
.platform-appearance-close { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; padding: 0; border: 0; border-radius: 6px; background: transparent; color: var(--platform-muted); font: inherit; font-size: 22px; cursor: pointer; }
.platform-appearance-close:hover { background: var(--platform-raised); color: var(--platform-text); }
.platform-appearance-options { display: grid; gap: 18px; }
.platform-appearance-dialog .platform-preference { justify-content: space-between; gap: 20px; color: var(--platform-text); font-size: 13px; }
.platform-appearance-dialog .platform-preference select { width: 130px; max-width: 50%; min-height: 36px; padding: 6px 10px; border-radius: 7px; background: var(--platform-raised); }
.platform-appearance-note { margin: 20px 0 0; color: var(--platform-muted); font-size: 12px; line-height: 1.6; }
.platform-tools { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 8px 12px; color: var(--platform-muted); font-size: 12px; }
.platform-preference { display: flex; align-items: center; gap: 5px; margin: 0; color: var(--platform-muted); font-size: 12px; white-space: nowrap; }
.platform-preference select { min-height: 30px; max-width: 84px; padding: 3px 5px; border: 1px solid var(--platform-line); border-radius: 6px; background: var(--platform-panel); color: var(--platform-text); font: inherit; cursor: pointer; }
.platform-date { color: var(--platform-muted); font-size: 12px; white-space: nowrap; }
.platform-account, .platform-logout { display: inline-flex; align-items: center; gap: 7px; min-height: 32px; margin: 0; padding: 3px 7px; border: 1px solid transparent; border-radius: 6px; background: transparent; color: var(--platform-text); font: inherit; font-size: 12px; cursor: pointer; }
.platform-account:hover, .platform-logout:hover { background: var(--platform-raised); color: var(--platform-accent); }
.platform-account:disabled, .platform-logout:disabled { opacity: .6; cursor: wait; }
.platform-avatar { display: inline-flex; align-items: center; justify-content: center; flex: none; width: 28px; height: 28px; border-radius: 50%; color: var(--platform-accent); background: var(--platform-accent-soft); font-size: 11px; }
.platform-username { overflow: hidden; max-width: 140px; text-overflow: ellipsis; white-space: nowrap; }
:is(.platform-workspace-button, .platform-appearance-trigger, .platform-appearance-close, .platform-account, .platform-logout, .platform-preference select):focus-visible { outline: 2px solid var(--platform-accent); outline-offset: 3px; }
body[data-platform] .sidebar { width: var(--platform-sidebar-width); background: var(--platform-panel); border-right: 1px solid var(--platform-line); }
body[data-platform="portal"] .app-body { margin-left: var(--platform-sidebar-width); background: var(--platform-bg); }
body[data-platform] .sidebar .sidebar-brand { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; padding: 24px 24px 19px; }
body[data-platform] .sidebar .brand-logo-sidebar { display: block; width: 142px; height: auto; }
body[data-platform] .sidebar .brand-symbol { display: none; }
body[data-platform] .sidebar .brand-caption strong { display: block; font-size: 12px; font-weight: 400; letter-spacing: .5px; color: var(--platform-muted); }
body[data-platform] .sidebar .brand-caption small { display: none; }
body[data-platform] .sidebar :is(.nav-button, .nav-item) { color: var(--platform-muted); }
body[data-platform] .sidebar :is(.nav-button, .nav-item):hover { color: var(--platform-text); background: var(--platform-raised); }
body[data-platform] .sidebar :is(.nav-button, .nav-item).active { color: var(--platform-accent); background: var(--platform-accent-soft); border-color: var(--platform-line); }
body[data-platform] .topbar { min-height: 60px; height: auto; padding: 10px 24px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 16px; background: var(--platform-panel); border-bottom: 1px solid var(--platform-line); }
body[data-platform] :is(.topbar-left, .breadcrumb) { display: flex; align-items: center; gap: 10px; min-width: 0; font-size: 13px; color: var(--platform-text); }
body[data-platform] :is(.topbar-left .muted, .breadcrumb > span) { color: var(--platform-muted); }
body[data-platform] .topbar-right { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; min-width: 0; gap: 10px 16px; }
html[data-hr-density="comfortable"] :is(.platform-workspace-button, .platform-account, .platform-logout, .platform-preference select) { min-height: 36px; }
@media (max-width: 1100px) { .platform-date { display: none; } }
@media (min-width: 701px) and (max-width: 960px) {
  :root { --platform-sidebar-width: 70px; }
  body[data-platform] .sidebar .sidebar-brand { align-items: center; padding: 20px 14px; }
  body[data-platform] .sidebar .brand-logo-sidebar, body[data-platform] .sidebar .brand-caption { display: none; }
  body[data-platform] .sidebar .brand-symbol { display: block; width: 36px; height: auto; }
  body[data-platform="portal"] .sidebar { position: fixed; height: 100vh; display: flex; }
  body[data-platform="portal"] .app-shell { display: flex; }
  body[data-platform="portal"] .sidebar .nav-links { flex-direction: column; overflow-y: auto; overflow-x: hidden; }
  body[data-platform="portal"] .sidebar .nav-group-title, body[data-platform="portal"] .sidebar .nav-button span { display: none; }
  body[data-platform="portal"] .sidebar .nav-button { justify-content: center; width: 100%; padding: 9px 6px; }
  body[data-platform="portal"] .sidebar .nav-button.active::after { display: none; }
  .platform-workspaces { padding: 12px 8px; }
  .platform-workspace-label, .platform-workspace-name, .platform-workspace-current { display: none; }
  .platform-workspace-button { justify-content: center; padding: 9px 6px; }
  .platform-appearance-trigger { justify-content: center; padding: 8px 6px; }
  .platform-appearance-trigger > span { display: none; }
}
@media (max-width: 700px) {
  :root { --platform-sidebar-width: 0px; }
  body[data-platform="portal"] .app-shell { display: block; }
  body[data-platform] .sidebar { display: block; width: 100%; height: auto; position: static; border-right: 0; border-bottom: 1px solid var(--platform-line); }
  body[data-platform] .sidebar .sidebar-brand { display: none; }
  .platform-workspaces { padding: 8px 10px; border-top: 0; }
  .platform-workspace-label { display: none; }
  .platform-workspace-buttons { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px; }
  .platform-workspace-button { justify-content: center; gap: 5px; padding: 7px 2px; font-size: 11px; }
  .platform-workspace-current { display: none; }
  .platform-appearance { display: flex; justify-content: flex-end; margin-top: 4px; padding-top: 4px; }
  .platform-appearance-trigger { width: auto; min-height: 30px; gap: 6px; padding: 4px 8px; font-size: 11px; }
  body[data-platform] .topbar { padding: 10px 14px; gap: 8px; }
  body[data-platform] .topbar-right { width: 100%; justify-content: space-between; }
  zt-platform-tools { flex: 1; }
  .platform-tools { justify-content: space-between; gap: 6px; }
  .platform-username { max-width: 88px; }
  .platform-account, .platform-logout { padding: 2px 3px; }
}