html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}

/* ===================================================================
   SITCEN Marken-Tokens
   Quelle: Stilvorlage "SITCEN Identität" (Farbkonzept & Signet, Stand 2026-08-29).
   Abgeleitet vom Sujet "Grundkurs Polizeilicher Lageanalyst": Dunkelblau
   (Uniformen/Kopfzeile) als Primärfarbe, Signalrot (Kartenmarker) als knapp
   eingesetzter Akzent ausschliesslich für aktive Lagen/kritische Zustände.
   =================================================================== */
:root {
  --navy-50:  hsl(211 48% 97%);
  --navy-100: hsl(211 45% 92%);
  --navy-200: hsl(211 42% 84%);
  --navy-300: hsl(211 45% 70%);
  --navy-400: hsl(211 48% 55%);
  --navy-500: hsl(211 50% 42%);
  --navy-600: hsl(211 52% 34%);
  --navy-700: hsl(211 54% 27%);
  --navy-800: hsl(211 55% 20%);
  --navy-900: hsl(211 58% 14%);
  --navy-950: hsl(211 62% 9%);

  --red-100: hsl(4 70% 93%);
  --red-300: hsl(4 75% 80%);
  --red-400: hsl(4 80% 62%);
  --red-500: hsl(4 76% 50%);
  --red-600: hsl(4 74% 42%);
  --red-700: hsl(4 72% 34%);

  --slate-100: hsl(211 16% 95%);
  --slate-200: hsl(211 14% 88%);
  --slate-300: hsl(211 12% 78%);
  --slate-500: hsl(211 8% 52%);
  --slate-700: hsl(211 10% 34%);
  --slate-900: hsl(211 12% 14%);

  --success: hsl(152 45% 34%);
  --warning: hsl(38 88% 48%);

  --radius: 7px;
  --radius-sm: 3px;
}

/* Seiten-Chrome (hell/dunkel) – "Tagbetrieb" vs. "Lagezentrum-Modus" */
:root {
  --bg: var(--navy-50);
  --surface: #ffffff;
  --surface-2: var(--navy-100);
  --text: var(--navy-900);
  --text-muted: var(--slate-700);
  --border: var(--slate-200);
  --shadow: 0 1px 2px rgba(15, 35, 56, .06), 0 10px 28px rgba(15, 35, 56, .07);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: var(--navy-950);
    --surface: hsl(211 40% 12%);
    --surface-2: hsl(211 36% 17%);
    --text: hsl(211 40% 95%);
    --text-muted: hsl(211 20% 72%);
    --border: hsl(211 28% 24%);
    --shadow: 0 1px 2px rgba(0, 0, 0, .5), 0 10px 28px rgba(0, 0, 0, .4);
  }
}

:root[data-theme="dark"] {
  --bg: var(--navy-950);
  --surface: hsl(211 40% 12%);
  --surface-2: hsl(211 36% 17%);
  --text: hsl(211 40% 95%);
  --text-muted: hsl(211 20% 72%);
  --border: hsl(211 28% 24%);
  --shadow: 0 1px 2px rgba(0, 0, 0, .5), 0 10px 28px rgba(0, 0, 0, .4);
}

/* Bootstrap-5-Überschreibung auf Basis der Marken-Tokens */
:root {
  --bs-primary: var(--navy-800);
  --bs-primary-rgb: 23, 50, 79;
  --bs-danger: var(--red-600);
  --bs-success: var(--success);
  --bs-warning: var(--warning);
  --bs-link-color: var(--navy-600);
  --bs-link-hover-color: var(--navy-700);
  --bs-body-bg: var(--navy-50);
  --bs-body-color: var(--navy-900);
  --bs-border-color: var(--slate-200);
}

.btn-primary {
  --bs-btn-bg: var(--navy-800);
  --bs-btn-border-color: var(--navy-800);
  --bs-btn-hover-bg: var(--navy-700);
  --bs-btn-hover-border-color: var(--navy-700);
}

/* Typografie: IBM Plex Sans (Fliesstext), Big Shoulders Display (Ueberschriften,
   Grossbuchstaben, Behoerden-Anmutung), IBM Plex Mono (Zahlen/Codes/Labels). */
body {
  margin-bottom: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
}

code, .mono {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
}

h1, h2, h3 {
  font-family: "Big Shoulders Display", "Arial Narrow", sans-serif;
  text-transform: uppercase;
  letter-spacing: .01em;
}

/* App-Chrome: Header, Sidebar, Content */
:root {
  --app-header-bg: var(--navy-800);
  --app-header-text: #ffffff;
  --app-header-height: 56px;
  --app-sidebar-width: 230px;
  --app-sidebar-bg: var(--surface);
  --app-sidebar-border: var(--border);
  --app-sidebar-hover-bg: var(--surface-2);
  --app-sidebar-active-bg: var(--navy-100);
  --app-sidebar-active-text: var(--navy-800);
  --app-sidebar-text: var(--text);
}

:root[data-theme="dark"] {
  --app-sidebar-active-bg: hsl(211 30% 22%);
  --app-sidebar-active-text: var(--navy-200);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --app-sidebar-active-bg: hsl(211 30% 22%);
    --app-sidebar-active-text: var(--navy-200);
  }
}

.app-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  column-gap: 1rem;
  height: var(--app-header-height);
  padding: 0 1rem;
  background: var(--app-header-bg);
  color: var(--app-header-text);
}

.app-header-start {
  grid-column: 1;
  display: flex;
  align-items: center;
}

.app-sidebar-toggle {
  border: 0;
  background: transparent;
  margin-right: 0.75rem;
}

.app-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--app-header-text);
  font-family: "Big Shoulders Display", "Arial Narrow", sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
  text-decoration: none;
}

.app-brand svg {
  width: 22px;
  height: 22px;
  flex: none;
}

.app-header-account {
  grid-column: 3;
}

.app-body {
  position: relative;
  display: flex;
  align-items: stretch;
  min-height: calc(100vh - var(--app-header-height) - 60px);
}

.app-sidebar {
  flex: 0 0 var(--app-sidebar-width);
  width: var(--app-sidebar-width);
  background: var(--app-sidebar-bg);
  border-right: 1px solid var(--app-sidebar-border);
  padding: 0.75rem 0;
  overflow: hidden;
  transition: width 0.2s ease, flex-basis 0.2s ease, padding 0.2s ease, border-color 0.2s ease;
}

.app-body.sidebar-collapsed .app-sidebar {
  width: 0;
  flex-basis: 0;
  padding: 0;
  border-right-color: transparent;
}

.app-sidebar-collapse-toggle {
  position: absolute;
  top: 0.25rem;
  left: calc(var(--app-sidebar-width) - 12px);
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  height: 24px;
  padding: 0 0.6rem;
  border: 1px solid var(--app-sidebar-border);
  border-radius: 999px;
  background: var(--app-sidebar-bg);
  color: var(--app-sidebar-text);
  font-size: 0.8rem;
  white-space: nowrap;
  cursor: pointer;
  transition: left 0.2s ease;
}

.app-sidebar-collapse-label-collapsed {
  display: none;
}

.app-sidebar-collapse-toggle[aria-expanded="false"] .app-sidebar-collapse-label-expanded {
  display: none;
}

.app-sidebar-collapse-toggle[aria-expanded="false"] .app-sidebar-collapse-label-collapsed {
  display: inline;
}

.app-body.sidebar-collapsed .app-sidebar-collapse-toggle {
  left: 0.5rem;
}

.app-sidebar-link {
  display: block;
  padding: 0.5rem 1.25rem;
  border-left: 3px solid transparent;
  color: var(--app-sidebar-text);
  text-decoration: none;
}

.app-sidebar-link:hover {
  background: var(--app-sidebar-hover-bg);
}

.app-sidebar-link.active {
  border-left-color: var(--red-600);
  background: var(--app-sidebar-active-bg);
  color: var(--app-sidebar-active-text);
  font-weight: 600;
}

.app-content {
  flex: 1 1 auto;
  min-width: 0;
  padding: 1.5rem;
}

@media (max-width: 767.98px) {
  .app-body {
    flex-direction: column;
  }

  .app-sidebar {
    width: 100%;
    border-right: 0;
    border-bottom: 1px solid var(--app-sidebar-border);
  }

  .app-sidebar-collapse-toggle {
    display: none !important;
  }
}

/* ===================================================================
   Auth-Seiten (Login/Registrieren): zweispaltig, links Formular, rechts
   das Netzknoten-Sujet (Konzept A) als volles Bild. Siehe wwwroot/img/login-hero.svg.
   =================================================================== */
.auth-shell {
  display: grid;
  grid-template-columns: minmax(360px, 480px) 1fr;
  min-height: 100vh;
}

.auth-left {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  max-height: 100vh;
  overflow-y: auto;
  padding: 64px 32px;
  background: var(--surface);
}

.auth-left-inner {
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.auth-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--navy-800);
  font-family: "Big Shoulders Display", "Arial Narrow", sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
  text-decoration: none;
}

.auth-brand svg {
  width: 24px;
  height: 24px;
  flex: none;
}

:root[data-theme="dark"] .auth-brand {
  color: var(--navy-200);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .auth-brand {
    color: var(--navy-200);
  }
}

.auth-eyebrow {
  display: block;
  font-family: "IBM Plex Mono", monospace;
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.auth-form-wrap h1 {
  font-size: 1.9rem;
  margin: .35rem 0 1.5rem;
}

.auth-footer-link {
  font-size: .9rem;
  color: var(--text-muted);
  margin-top: 1.5rem;
  text-align: center;
}

.auth-right {
  position: relative;
  overflow: hidden;
}

.auth-right img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (max-width: 860px) {
  .auth-shell {
    grid-template-columns: 1fr;
  }

  .auth-right {
    display: none;
  }
}