:root {
  --kk-bg: #f7f7f8;
  --kk-fg: #1c1e21;
  --kk-muted: #5a5f66;
  --kk-border: #d3d6da;
  --kk-accent: #2f5d8a;
  --kk-error: #b3261e;
  --kk-max-width: 640px;
  --kk-max-width-wide: 72ch;
  --kk-space: 1rem;
  --kk-sidebar-width: 15rem;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--kk-fg);
  background: var(--kk-bg);
}

/* Eingeloggter Zustand: Sidebar + Inhalt nebeneinander. */
.kk-app {
  display: flex;
  min-height: 100vh;
}

/* Login-Gate: eigene Klasse auf #app, damit die Sidebar-Flex-Regeln hier nicht greifen
   und das Login-Formular wie zuvor zentriert bleibt. */
.kk-app-login {
  display: flex;
  min-height: 100vh;
}

.kk-burger {
  display: none;
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 20;
  font-size: 1.25rem;
  line-height: 1;
  padding: 0.4rem 0.7rem;
}

.kk-sidebar {
  flex: 0 0 var(--kk-sidebar-width);
  width: var(--kk-sidebar-width);
  display: flex;
  flex-direction: column;
  gap: var(--kk-space);
  padding: var(--kk-space);
  background: #fff;
  border-right: 1px solid var(--kk-border);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.kk-brand {
  font-weight: 700;
  font-size: 1.1rem;
}

.kk-nav-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* Schiebt den Administration-Abschnitt im Flex-Container der Sidebar immer ganz nach unten,
   direkt oberhalb des Abmelden-Buttons — unabhängig davon, wie viele Haupt-Nav-Einträge es gibt. */
.kk-nav-admin {
  margin-top: auto;
}

.kk-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.kk-nav-section {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--kk-border);
  color: var(--kk-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.kk-nav a {
  display: block;
  padding: 0.4rem 0.5rem;
  border-radius: 4px;
  color: var(--kk-fg);
  text-decoration: none;
}

.kk-nav a:hover {
  background: var(--kk-bg);
}

.kk-nav a[aria-current="page"] {
  background: var(--kk-accent);
  color: #fff;
}

.kk-nav-promoted {
  font-weight: 600;
  border: 1px solid var(--kk-accent);
}

.kk-sidebar .kk-logout {
  margin-top: auto;
}

.kk-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.kk-header {
  display: flex;
  align-items: center;
  gap: var(--kk-space);
  padding: 0.75rem var(--kk-space);
  background: #fff;
  border-bottom: 1px solid var(--kk-border);
  flex-wrap: wrap;
}

.kk-breadcrumb {
  flex: 1;
  color: var(--kk-muted);
  font-size: 0.9rem;
}

.kk-breadcrumb a {
  color: var(--kk-accent);
  text-decoration: none;
}

.kk-breadcrumb a:hover {
  text-decoration: underline;
}

main {
  flex: 1;
  width: 100%;
  max-width: var(--kk-max-width);
  margin: 0 auto;
  padding: var(--kk-space);
}

.kk-md {
  max-width: var(--kk-max-width-wide);
}

.kk-login-gate {
  max-width: var(--kk-max-width);
  margin: 3rem auto;
  padding: var(--kk-space);
}

@media (max-width: 48rem) {
  .kk-burger {
    display: block;
  }

  .kk-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 10;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.15);
  }

  .kk-burger[aria-expanded="true"] + .kk-sidebar {
    transform: translateX(0);
  }

  .kk-content {
    padding-top: 2.75rem;
  }
}

h1 {
  font-size: 1.4rem;
  margin-top: 0;
}

button {
  font: inherit;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--kk-border);
  border-radius: 4px;
  background: #fff;
  cursor: pointer;
}

button[type="submit"] {
  background: var(--kk-accent);
  border-color: var(--kk-accent);
  color: #fff;
}

button:disabled {
  opacity: 0.6;
  cursor: default;
}

.kk-form {
  display: flex;
  flex-direction: column;
  gap: var(--kk-space);
}

.kk-inline-form {
  flex-direction: row;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.kk-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.kk-field label {
  font-weight: 500;
}

input,
select,
textarea {
  font: inherit;
  padding: 0.5rem;
  border: 1px solid var(--kk-border);
  border-radius: 4px;
  background: #fff;
  width: 100%;
}

.kk-sortierung-input {
  width: 6rem;
}

.kk-input-error {
  border-color: var(--kk-error);
}

.kk-field-error,
.kk-error-general {
  color: var(--kk-error);
  font-size: 0.85rem;
}

.kk-intro {
  max-width: var(--kk-max-width-wide);
  color: var(--kk-muted);
  margin-bottom: 1.5rem;
}

.kk-intro p {
  margin: 0 0 0.75rem;
}

.kk-intro p:last-child {
  margin-bottom: 0;
}

.kk-confirmation {
  background: #eaf3ea;
  border: 1px solid #b7d6b8;
  border-radius: 4px;
  padding: var(--kk-space);
}

.kk-md h1,
.kk-md h2,
.kk-md h3,
.kk-md h4,
.kk-md h5,
.kk-md h6 {
  margin-top: 1.5rem;
  font-weight: 700;
}

.kk-md h1:first-child,
.kk-md h2:first-child,
.kk-md h3:first-child,
.kk-md h4:first-child,
.kk-md h5:first-child,
.kk-md h6:first-child {
  margin-top: 0;
}

.kk-md h1 { font-size: 1.8rem; }
.kk-md h2 { font-size: 1.5rem; }
.kk-md h3 { font-size: 1.25rem; }
.kk-md h4 { font-size: 1.05rem; }
.kk-md h5 { font-size: 0.95rem; }
.kk-md h6 { font-size: 0.85rem; }

.kk-md a {
  color: var(--kk-accent);
}

.kk-md pre,
.kk-md code {
  background: #f0f1f3;
  border-radius: 4px;
}

.kk-md code {
  padding: 0.1rem 0.3rem;
}

.kk-md pre {
  padding: var(--kk-space);
  overflow-x: auto;
}

.kk-md pre code {
  background: none;
  padding: 0;
}

.kk-md table {
  width: 100%;
  border-collapse: collapse;
}

.kk-md td,
.kk-md th {
  padding: 0.5rem;
  border-bottom: 1px solid var(--kk-border);
  text-align: left;
}

.kk-table-scroll {
  overflow-x: auto;
}

.kk-table {
  width: 100%;
  border-collapse: collapse;
}

.kk-table td,
.kk-table th {
  padding: 0.5rem;
  border-bottom: 1px solid var(--kk-border);
  text-align: left;
  vertical-align: middle;
}

.kk-card-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  /* Erlaubt horizontales Scrollen der einzelnen Card statt Zusammendrücken der
     Eingabefelder auf schmalen Viewports (Felder haben eine Mindestbreite, s.u.). */
  overflow-x: auto;
}

.kk-cat-card {
  border: 1px solid var(--kk-border);
  border-radius: 6px;
  background: #fff;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.kk-cat-row {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.kk-cat-row input[type="text"] {
  min-width: 12rem;
  width: auto;
  flex: 1;
}

.kk-cat-row .kk-sortierung-input {
  min-width: 5rem;
  width: 5rem;
  flex: 0 0 auto;
}

.kk-cat-aktiv-label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
  flex: 0 0 auto;
}

.kk-cat-buttons {
  display: flex;
  gap: 0.5rem;
  flex: 0 0 auto;
}

.kk-link-inserter {
  display: inline-block;
}

.kk-link-inserter button {
  font-size: 0.85rem;
  padding: 0.35rem 0.6rem;
}

.kk-link-inserter select {
  width: auto;
  min-width: 12rem;
}

.kk-add-button {
  width: 100%;
  margin-top: 0.75rem;
  border-style: dashed;
  color: var(--kk-accent);
}

.kk-row-clickable {
  cursor: pointer;
}

.kk-row-clickable:hover {
  background: #eef1f4;
}

dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.5rem var(--kk-space);
}

dt {
  font-weight: 500;
  color: var(--kk-muted);
}

dd {
  margin: 0;
  white-space: pre-wrap;
}