/* =========================================================================
   Backstage – eigenes, helles, modernes Admin-Design (Desktop-only).
   Bewusst getrennt vom Frontend (haupt.css). Ein einziger, klarer Look.
   ========================================================================= */

:root {
  color-scheme: light;

  --bg:            #eef1f6;
  --surface:       #ffffff;
  --surface-2:     #f7f8fb;
  --surface-3:     #f0f2f7;
  --border:        #e4e7ee;
  --border-strong: #d3d8e2;

  --text:       #1b2130;
  --text-mut:   #5c657a;
  --text-soft:  #6b7488;   /* dunkel genug für WCAG-AA-Kontrast auf hellem Grund */

  --accent:        #5b5bf0;
  --accent-hover:  #4a48e0;
  --accent-soft:   #eceafd;
  --accent-ring:   rgba(91, 91, 240, .35);

  --ok:      #17a34a;  --ok-soft:   #dcf6e5;
  --warn:    #c9820a;  --warn-soft: #fdf0d3;
  --danger:  #d63b3b;  --danger-soft:#fbe2e2;

  --shadow-sm: 0 1px 2px rgba(20,28,50,.06), 0 1px 3px rgba(20,28,50,.07);
  --shadow:    0 6px 20px -6px rgba(20,28,50,.18);
  --shadow-lg: 0 18px 48px -12px rgba(20,28,50,.28);

  --radius:    14px;
  --radius-sm: 10px;
  --radius-lg: 20px;
  --pill:      999px;

  --sidebar-w: 250px;
  --topbar-h:  64px;

  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body.backstage {
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-width: 960px;           /* Desktop-only: lieber horizontal scrollen als umbrechen */
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { margin: 0; font-weight: 680; letter-spacing: -.01em; }
h1 { font-size: 1.35rem; }
h2 { font-size: 1.08rem; }
h3 { font-size: .98rem; }
p  { margin: 0 0 .8rem; }
p:last-child { margin-bottom: 0; }

/* ------------------------------------------------------------------ Shell */
.bs-shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  min-height: 100vh;
}

/* ---------------------------------------------------------------- Sidebar */
.bs-sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 16px;
  gap: 6px;
}
.bs-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px 18px;
  font-weight: 750;
  font-size: 1.1rem;
  letter-spacing: -.02em;
  color: var(--text);
}
.bs-brand:hover { text-decoration: none; }
.bs-brand__logo {
  display: grid; place-items: center;
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #8a5bf0);
  font-size: 1.05rem;
  box-shadow: 0 4px 12px -3px var(--accent-ring);
}
.bs-brand__sub { font-size: .68rem; font-weight: 600; color: var(--text-soft); text-transform: uppercase; letter-spacing: .08em; }

.bs-nav { display: flex; flex-direction: column; gap: 3px; }
.bs-nav__gruppe { font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  color: var(--text-soft); padding: 14px 10px 6px; }
.bs-nav a {
  display: flex; align-items: center; gap: 11px;
  padding: 9px 11px; border-radius: 10px;
  color: var(--text-mut); font-weight: 550; font-size: .93rem;
  transition: background .12s, color .12s;
}
.bs-nav a:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.bs-nav a.aktiv { background: var(--accent-soft); color: var(--accent-hover); font-weight: 650; }
.bs-nav__icon { font-size: 1.05rem; width: 22px; text-align: center; }
.bs-nav__zahl { margin-left: auto; font-size: .72rem; font-weight: 700; min-width: 20px; text-align: center;
  padding: 1px 7px; border-radius: var(--pill); background: var(--danger-soft); color: #a81f1f; }

.bs-sidebar__fuss { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 3px; }

/* ------------------------------------------------------------------- Main */
.bs-main { min-width: 0; display: flex; flex-direction: column; }

.bs-topbar {
  position: sticky; top: 0; z-index: 20;
  min-height: var(--topbar-h);
  display: flex; align-items: center; gap: 16px;
  padding: 12px 32px;
  background: rgba(255,255,255,.82);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.bs-topbar__titel { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.bs-topbar__zurueck { font-size: .78rem; color: var(--text-mut); font-weight: 600; }
.bs-topbar__zurueck:hover { color: var(--accent); }
.bs-topbar h1 { line-height: 1.2; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bs-topbar__aktionen { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.bs-content { padding: 28px 32px 64px; }
.bs-content > * + * { margin-top: 22px; }
.bs-schmal { max-width: 760px; }

/* ------------------------------------------------------------------ Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.card__kopf {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
}
.card__kopf h2 { margin: 0; }
.card__kopf .card__aktion { margin-left: auto; }
.card__leib { padding: 20px; }
.card__leib > * + * { margin-top: 16px; }

/* --------------------------------------------------------------- Stat-Kacheln */
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 16px; }
.stat {
  display: flex; align-items: center; gap: 14px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-sm);
  padding: 18px 20px; transition: box-shadow .15s, transform .15s;
}
a.stat:hover { text-decoration: none; box-shadow: var(--shadow); transform: translateY(-2px); }
.stat__icon { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 12px;
  background: var(--accent-soft); font-size: 1.4rem; flex-shrink: 0; }
.stat__body { display: flex; flex-direction: column; min-width: 0; }
.stat__zahl { font-size: 1.7rem; font-weight: 760; line-height: 1.1; color: var(--text); letter-spacing: -.02em; }
.stat__label { font-size: .82rem; color: var(--text-mut); font-weight: 550; }
.stat--warn .stat__icon { background: var(--warn-soft); }
.stat--warn .stat__zahl { color: var(--warn); }
.stat--danger .stat__icon { background: var(--danger-soft); }
.stat--danger .stat__zahl { color: var(--danger); }

/* --------------------------------------------------------------- Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  font-family: inherit; font-size: .9rem; font-weight: 600; line-height: 1;
  padding: 10px 16px; border-radius: 10px; border: 1px solid transparent;
  cursor: pointer; white-space: nowrap; transition: background .12s, border-color .12s, box-shadow .12s, color .12s;
}
.btn:hover { text-decoration: none; }
.btn:focus-visible { outline: 3px solid var(--accent-ring); outline-offset: 1px; }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 4px 12px -4px var(--accent-ring); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { background: var(--surface); color: var(--text); border-color: var(--border-strong); }
.btn-ghost:hover { background: var(--surface-2); border-color: var(--text-soft); }
.btn-danger { background: var(--surface); color: var(--danger); border-color: var(--danger-soft); }
.btn-danger:hover { background: var(--danger-soft); }
.btn-sm { padding: 6px 11px; font-size: .82rem; border-radius: 8px; }
.btn-block { width: 100%; }

/* Textlink-Aktion (in Tabellen/Karten) */
.aktion-link { background: none; border: 0; padding: 0; margin: 0; font: inherit; font-size: .86rem;
  font-weight: 600; color: var(--accent); cursor: pointer; }
.aktion-link:hover { text-decoration: underline; }
.aktion-link--danger { color: var(--danger); }

/* --------------------------------------------------------------- Tabellen */
.tabelle-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); box-shadow: var(--shadow-sm); }
table.tabelle { width: 100%; border-collapse: collapse; font-size: .92rem; }
.tabelle thead th {
  text-align: left; font-size: .72rem; text-transform: uppercase; letter-spacing: .05em;
  color: var(--text-soft); font-weight: 700; padding: 12px 16px; border-bottom: 1px solid var(--border);
  background: var(--surface-2); white-space: nowrap;
}
.tabelle tbody td { padding: 13px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.tabelle tbody tr:last-child td { border-bottom: 0; }
.tabelle tbody tr { transition: background .1s; }
.tabelle tbody tr:hover { background: var(--surface-2); }
.tabelle__haupt { font-weight: 620; color: var(--text); }
.tabelle__sub { font-size: .78rem; color: var(--text-soft); }
.tabelle__aktionen { display: flex; align-items: center; gap: 14px; justify-content: flex-end; white-space: nowrap; }
.tabelle__aktionen form { margin: 0; display: inline; }
td.rechts, th.rechts { text-align: right; }
.zelle-mittig { text-align: center; }

/* --------------------------------------------------------------- Formulare */
.form-abschnitt + .form-abschnitt { margin-top: 22px; }
.feld { display: flex; flex-direction: column; gap: 6px; }
.feld + .feld { margin-top: 16px; }
.feld > label, .feld-label { font-size: .85rem; font-weight: 620; color: var(--text); }
.feld small, .feld-hilfe { font-size: .78rem; color: var(--text-mut); font-weight: 400; }
.feld-reihe { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.feld-reihe--3 { grid-template-columns: 1fr 1fr 1fr; }

.backstage input[type=text],
.backstage input[type=password],
.backstage input[type=date],
.backstage input[type=email],
.backstage input[type=number],
.backstage input[type=search],
.backstage select,
.backstage textarea {
  width: 100%; font-family: inherit; font-size: .92rem; color: var(--text);
  background: var(--surface); border: 1px solid var(--border-strong); border-radius: 10px;
  padding: 10px 12px; transition: border-color .12s, box-shadow .12s;
}
.backstage textarea { resize: vertical; min-height: 76px; line-height: 1.5; }
.backstage input:focus, .backstage select:focus, .backstage textarea:focus {
  outline: 0; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-ring);
}
.backstage input[type=file] { font-size: .86rem; color: var(--text-mut); }
.backstage select { cursor: pointer; }

.form-leiste {
  position: sticky; bottom: 0; z-index: 5;
  display: flex; align-items: center; gap: 12px;
  margin-top: 22px; padding: 14px 20px;
  background: rgba(255,255,255,.9); backdrop-filter: blur(8px);
  border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow);
}
.form-leiste .abbrechen { color: var(--text-mut); font-weight: 600; }

/* Toggle-Schalter (Feature-Flags) */
.schalter { display: flex; align-items: center; gap: 12px; padding: 12px 0; cursor: pointer; }
.schalter + .schalter { border-top: 1px solid var(--border); }
.schalter input { position: absolute; opacity: 0; width: 0; height: 0; }
.schalter__track { position: relative; flex-shrink: 0; width: 42px; height: 24px; border-radius: var(--pill);
  background: var(--border-strong); transition: background .15s; }
.schalter__track::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px;
  border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.25); transition: transform .15s; }
.schalter input:checked + .schalter__track { background: var(--accent); }
.schalter input:checked + .schalter__track::after { transform: translateX(18px); }
.schalter input:focus-visible + .schalter__track { box-shadow: 0 0 0 3px var(--accent-ring); }
.schalter__text { display: flex; flex-direction: column; }
.schalter__titel { font-weight: 580; font-size: .92rem; }
.schalter__hilfe { font-size: .78rem; color: var(--text-mut); }

/* --------------------------------------------------------------- Badges & Meldungen */
.badge { display: inline-flex; align-items: center; gap: 5px; font-size: .74rem; font-weight: 650;
  padding: 3px 10px; border-radius: var(--pill); background: var(--surface-3); color: var(--text-mut); }
.badge--ok { background: var(--ok-soft); color: #0f7a37; }
.badge--warn { background: var(--warn-soft); color: #7a4d05; }
.badge--danger { background: var(--danger-soft); color: #a81f1f; }
.badge--mut { background: var(--surface-3); color: var(--text-mut); }

.flash { display: flex; align-items: center; gap: 10px; padding: 13px 18px; border-radius: var(--radius);
  font-weight: 550; font-size: .92rem; border: 1px solid transparent; }
.flash--ok { background: var(--ok-soft); color: #0f7a37; border-color: #b6ecc8; }
.flash--err { background: var(--danger-soft); color: #b02a2a; border-color: #f3c9c9; }
.flash--info { background: var(--accent-soft); color: var(--accent-hover); border-color: #d9d6fb; }

.hinweis-box { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 18px; color: var(--text-mut); font-size: .88rem; }

/* --------------------------------------------------------------- Leerzustand */
.leer { text-align: center; padding: 48px 24px; color: var(--text-mut); }
.leer__icon { font-size: 2.6rem; display: block; margin-bottom: 10px; }
.leer h2 { color: var(--text); margin-bottom: 6px; }

/* --------------------------------------------------------------- Moderations-/Antrags-Karten */
.eintrag { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface);
  box-shadow: var(--shadow-sm); overflow: hidden; }
.eintrag + .eintrag { margin-top: 14px; }
.eintrag__kopf { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 14px 18px;
  background: var(--surface-2); border-bottom: 1px solid var(--border); font-size: .9rem; }
.eintrag__leib { padding: 16px 18px; }
.eintrag__text { white-space: pre-wrap; }
.eintrag__fuss { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; padding: 12px 18px;
  border-top: 1px solid var(--border); background: var(--surface); }
.eintrag__fuss form { margin: 0; }

.text-mut { color: var(--text-mut); }
.text-soft { color: var(--text-soft); }
.mono { font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; font-size: .85em; }

/* --------------------------------------------------------------- Einstellungs-Seitennavigation */
.settings-grid { display: grid; grid-template-columns: 200px minmax(0,1fr); gap: 26px; align-items: start; }
.settings-nav { position: sticky; top: calc(var(--topbar-h) + 20px); display: flex; flex-direction: column; gap: 2px; }
.settings-nav a { padding: 8px 12px; border-radius: 9px; color: var(--text-mut); font-weight: 560; font-size: .9rem; }
.settings-nav a:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }

/* --------------------------------------------------------------- Login */
.bs-login { min-height: 100vh; display: grid; place-items: center; padding: 24px;
  background: radial-gradient(1200px 600px at 50% -10%, #e7e6fd 0%, var(--bg) 55%); }
.bs-login__card { width: 100%; max-width: 400px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: 34px 32px; }
.bs-login__marke { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; font-weight: 750; font-size: 1.2rem; }
.bs-login h1 { font-size: 1.3rem; margin: 14px 0 4px; }
.bs-login__card .feld { margin-top: 18px; }
.bs-login__card .btn { margin-top: 22px; }

/* --------------------------------------------------------------- Utility */
.stack > * + * { margin-top: 16px; }
.reihe { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0; }