/* Deep teal surfaces and lime actions; light mode keeps its original palette. */
:root[data-theme="dark"] {
  color-scheme: dark;
  --canvas: #17252a;
  --surface: #203136;
  --surface-subtle: #1b2b30;
  --surface-muted: #2b3e43;
  --surface-hover: #30464a;
  --rail: #162c31;
  --ink: #e7edef;
  --ink-secondary: #cfdbdd;
  --muted: #a6b5b9;
  --line: #3a4c51;
  --line-strong: #657b80;
  --brand: #c7f28f;
  --brand-dark: #b4df7b;
  --brand-deeper: #a3cf6b;
  --on-brand: #1c3024;
  --brand-text: #c7f28f;
  --brand-strong: #d6f5b0;
  --brand-soft: #304236;
  --brand-border: #647e55;
  --focus-ring: rgba(199,242,143,.24);
  --teal: #8ad7ca;
  --teal-soft: #24423e;
  --blue: #9bcfe2;
  --blue-soft: #243d4a;
  --green: #9ed5af;
  --green-soft: #2a4236;
  --amber: #f0c184;
  --amber-soft: #4b3926;
  --red: #f1aaa6;
  --red-soft: #4b3031;
  --red-border: #8a5757;
  --green-border: #53755e;
  --blue-border: #526f7e;
  --amber-border: #89683f;
}

.theme-toggle { flex-shrink: 0; }
.theme-toggle .theme-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .theme-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .theme-sun { display: block; }
.theme-toggle:focus-visible { outline: 3px solid var(--brand-text, #7e22ce); outline-offset: 3px; }
.login-theme-toggle {
  position: absolute; top: 24px; right: 32px; display: inline-flex;
  align-items: center; justify-content: center; gap: 9px; width: auto; height: 40px;
  padding: 0 14px; color: #443153; background: #fff; border-color: #e1d7eb;
  border-radius: 999px; font-size: 12px; font-weight: 600;
  box-shadow: 0 3px 14px rgba(30, 15, 50, .08);
}
.login-theme-toggle:hover { color: #592987; background: #f7f0ff; }
:root[data-theme="dark"] .deviceiq-wordmark img { filter: brightness(0) invert(1); }
:root[data-theme="dark"] .login-shell {
  justify-items: center; background-color: var(--canvas);
  background-image: radial-gradient(ellipse at 72% 24%, rgba(114,162,143,.12), transparent 57%), linear-gradient(rgba(16,33,38,.87), rgba(18,34,39,.94)), url("/brand/login-office-background.webp");
}
:root[data-theme="dark"] .login-card { background: var(--surface); border-color: var(--line); box-shadow: 0 28px 70px rgba(0,0,0,.26); }
:root[data-theme="dark"] .login-field input { background: var(--canvas); border-color: var(--line-strong); }
:root[data-theme="dark"] .login-card .login-submit { color: var(--on-brand); background: var(--brand); box-shadow: 0 6px 20px rgba(0,0,0,.15); }
:root[data-theme="dark"] .login-card .login-submit:hover:not(:disabled) { background: var(--brand-dark); box-shadow: 0 8px 20px rgba(0,0,0,.2); }
:root[data-theme="dark"] .login-theme-toggle { color: var(--ink); background: var(--surface); border-color: var(--line-strong); }
:root[data-theme="dark"] .login-theme-toggle:hover { background: var(--surface-hover); }

/* The navigation rail uses the same teal family as the workspace. */
:root[data-theme="dark"] .app-sidebar { background: var(--rail); color: var(--ink); border-right: 1px solid var(--line); }
:root[data-theme="dark"] .app-sidebar .nav-item { color: var(--ink-secondary); }
:root[data-theme="dark"] .app-sidebar .nav-item:hover { color: var(--ink); background: var(--surface-hover); }
:root[data-theme="dark"] .app-sidebar .nav-item.selected { color: var(--brand-strong); background: var(--brand-soft); border-color: var(--brand-border); box-shadow: inset 2px 0 0 var(--brand); }
:root[data-theme="dark"] .app-sidebar :is(.nav-label, .app-version-row, .server-state-row, .lock-button, .deviceiq-company) { color: var(--muted); }
:root[data-theme="dark"] .app-sidebar .app-version-row strong { color: var(--ink-secondary); }
:root[data-theme="dark"] .app-sidebar .lock-button:hover { color: var(--ink); background: var(--surface-hover); }
:root[data-theme="dark"] .app-sidebar .nav-count { color: var(--ink-secondary); background: var(--surface-muted); }
:root[data-theme="dark"] .brand-mark { border-color: var(--line); background: var(--surface-muted); box-shadow: none; }
:root[data-theme="dark"] .brand-mark img { filter: brightness(0) invert(1); }

/* Lime fills need dark labels, including their hover and selected states. */
:root[data-theme="dark"] .button.primary { color: var(--on-brand); box-shadow: none; }
:root[data-theme="dark"] .site-explorer-footer.has-selection .button,
:root[data-theme="dark"] .site-explorer-footer.has-selection .button:hover:not(:disabled),
:root[data-theme="dark"] .site-explorer-footer.has-selection .button:focus-visible:not(:disabled),
:root[data-theme="dark"] .equipment-pagination .equipment-page-number.active,
:root[data-theme="dark"] .topbar-notifications .nav-count { color: var(--on-brand); }
:root[data-theme="dark"] .equipment-pagination .equipment-page-number.active:hover:not(:disabled) { color: var(--on-brand); background: var(--brand-dark); border-color: var(--brand-dark); }
:root[data-theme="dark"] .agent-action-trigger,
:root[data-theme="dark"] .agent-action-trigger:hover,
:root[data-theme="dark"] .agent-action-trigger[aria-expanded="true"] { color: var(--on-brand); box-shadow: none; }
:root[data-theme="dark"] .device-workspace-tab[aria-selected="true"] { color: var(--on-brand); background: var(--brand); border-color: var(--brand); box-shadow: none; }
:root[data-theme="dark"] .device-workspace-tab[aria-selected="true"] .device-workspace-tab-icon { color: var(--on-brand); background: rgba(28,48,36,.1); }
:root[data-theme="dark"] .device-row.selected { box-shadow: inset 3px 0 0 var(--brand); }

/* Replace fixed purple focus treatments while keeping keyboard focus visible. */
:root[data-theme="dark"] input:focus,
:root[data-theme="dark"] select:focus,
:root[data-theme="dark"] textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 3px var(--focus-ring); }
:root[data-theme="dark"] .login-field input:focus { background: var(--surface-subtle); border-color: var(--brand); box-shadow: 0 0 0 4px var(--focus-ring); }
:root[data-theme="dark"] .global-equipment-search > input:focus { outline-color: var(--focus-ring); }
:root[data-theme="dark"] :is(.agent-table-row:focus, .agent-action-trigger:focus-visible, .equipment-select-cell input:focus-visible, .device-workspace-tab:focus-visible, .device-workspace-metric:focus-visible, .login-password-toggle:focus-visible, #replenishment-recommendations-title:focus-visible) { outline-color: var(--brand); }
:root[data-theme="dark"] .equipment-header-filter:focus-visible { box-shadow: 0 0 0 3px var(--focus-ring); }

/* Saturated action fills stay dark enough for their white labels. */
:root[data-theme="dark"] .button.danger.solid { background: #a82b42; color: white; }
:root[data-theme="dark"] .button.danger.solid:hover:not(:disabled) { background: #8e2035; }
:root[data-theme="dark"] .app-topbar { background: var(--surface); }
:root[data-theme="dark"] .equipment-table .equipment-supply-warning { border-color: var(--surface); }
:root[data-theme="dark"] .toast { background: var(--surface-hover); color: var(--ink); border: 1px solid var(--line-strong); }
:root[data-theme="dark"] .toast.error { background: var(--red-soft); color: var(--red); border-color: var(--red-border); }
:root[data-theme="dark"] .workspace-usage-legend-swatch.previous,
:root[data-theme="dark"] .workspace-usage-series.previous .workspace-usage-bar-fill { background: var(--muted); }
:root[data-theme="dark"] .device-workspace-metric:not(.success, .warning, .critical) { box-shadow: inset 3px 0 var(--line-strong); }
:root[data-theme="dark"] .papercut-dialog::backdrop,
:root[data-theme="dark"] .site-explorer-dialog::backdrop { background: rgba(9,20,24,.66); }
:root[data-theme="dark"] .site-explorer .wunderbaum {
  --wb-hover-color: var(--surface-hover);
  --wb-active-hover-color: var(--surface-hover);
  --wb-active-hover-color-grayscale: var(--surface-hover);
  scrollbar-color: var(--line-strong) transparent;
}
:root[data-theme="dark"] input::placeholder,
:root[data-theme="dark"] textarea::placeholder { color: var(--muted); opacity: 1; }
@media (max-width: 640px) {
  .login-theme-toggle { top: 20px; right: 20px; }
}