/**
 * TASKMATE - Theme-Umschalter und Branding (AegisSight-Design, v412)
 * ===================================================================
 * Toggle-Switch (Gold, Sonne/Mond), Logo-Plakette im Dark-Theme, Hilfsklassen.
 */

/* ---------- Theme-Toggle (Sonne, Switch, Mond) ---------- */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  flex-shrink: 0;
}

.theme-toggle-icon {
  width: 16px;
  height: 16px;
  color: var(--text-disabled);
  transition: color var(--transition-fast);
}

:root:not([data-theme="dark"]) .theme-toggle-sun,
[data-theme="dark"] .theme-toggle-moon {
  color: var(--accent);
}

.switch {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 22px;
  cursor: pointer;
  flex-shrink: 0;
}

.switch-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  margin: 0;
}

.switch-track {
  position: absolute;
  inset: 0;
  background: var(--text-disabled);
  border-radius: 11px;
  transition: background-color 150ms ease-in-out;
}

.switch-knob {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #FFFFFF; /* Knauf laut Styleguide immer weiß */
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: transform 150ms ease-in-out;
}

.switch-input:checked + .switch-track {
  background: var(--accent);
}

.switch-input:checked + .switch-track .switch-knob {
  transform: translateX(18px);
}

.switch-input:focus-visible + .switch-track {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.switch-input:disabled + .switch-track {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Schwebende Instanz auf dem Login-Bildschirm (oben rechts) */
.theme-toggle-floating {
  position: absolute;
  top: var(--spacing-4);
  right: var(--spacing-4);
  z-index: 2;
}

/* Zeile im Mobil-Menü */
.mobile-menu-theme {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-4);
  color: var(--text);
  font-size: var(--text-sm);
}

/* ---------- Branding ---------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-3);
  text-decoration: none;
  color: inherit;
  flex-shrink: 0;
}

.brand-logo {
  height: 32px;
  width: auto;
  display: block;
}

.brand-logo-icon {
  display: none;
}

.brand-app {
  font-weight: var(--font-semibold);
  font-size: var(--text-base);
  color: var(--text);
  padding-left: var(--spacing-3);
  border-left: 1px solid var(--border); /* Trennlinie zum Logo, keine Status-Markierung */
  white-space: nowrap;
  letter-spacing: -0.01em;
}

/* Dunkle Flächen: Navy-Logo auf heller Plakette (branding.md, verbindlich seit 07/2026) */
[data-theme="dark"] .brand {
  background: rgba(232, 236, 240, 0.9);
  border-radius: var(--radius-lg);
  padding: 8px 12px;
}

[data-theme="dark"] .brand-app {
  color: var(--color-navy);
  border-left-color: rgba(10, 24, 50, 0.2);
}

.brand-stacked {
  justify-content: center;
  margin: 0 auto var(--spacing-4);
}

.brand-stacked .brand-logo {
  height: 96px;
}

.brand-small .brand-logo {
  height: 24px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 768px) {
  .header .theme-toggle-icon {
    display: none;
  }
}

@media (max-width: 480px) {
  .header .theme-toggle {
    display: none; /* das Mobil-Menü hat den Umschalter */
  }

  .brand-logo-wide,
  .header .brand-app {
    display: none;
  }

  .brand-logo-icon {
    display: block;
  }
}