:root {
  --bg: #f5f6f8; --panel: #fff; --text: #1a2233; --muted: #6b7280;
  --primary: #2b6cb0; --primary-dark: #1e4e8c; --border: #e2e6ee;
  --gruen: #16a34a; --gelb: #ca8a04; --rot: #dc2626;
  --sidebar-w: 240px;
  --sidebar-w-collapsed: 60px;
}
* { box-sizing: border-box; }
:root { --fs-scale: 1; }
/* Schrift +15%: Basis 14px * 1.15 = 16.1px, zusaetzlich pro Browser skalierbar (--fs-scale). */
html { font-size: calc(16.1px * var(--fs-scale, 1)); }
html, body { margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ============================================================
   Sidebar links
   Body bekommt Klasse .layout, .sidebar-open oder .sidebar-collapsed
   ============================================================ */
body.layout { display: block; }
.sidebar {
  position: fixed; top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: #1a2233; color: #fff;
  display: flex; flex-direction: column;
  transition: width 0.15s ease;
  z-index: 20;
  overflow: hidden;
}
body.sidebar-collapsed .sidebar { width: var(--sidebar-w-collapsed); }
.sidebar .brand { padding: 0.9rem 1rem; font-weight: 600; border-bottom: 1px solid #2a3448; display: flex; align-items: center; gap: 0.6rem; }
.sidebar .brand a { color: #fff; white-space: nowrap; }
.sidebar .brand .icon { font-size: 1.3rem; }
body.sidebar-collapsed .sidebar .brand .label { display: none; }

.sidebar nav { flex: 1; overflow-y: auto; padding: 0.5rem 0; }
.sidebar nav a {
  display: flex; align-items: center; gap: 0.7rem;
  padding: 0.55rem 1rem;
  color: #cbd5e1;
  white-space: nowrap;
  border-left: 3px solid transparent;
}
.sidebar nav a:hover { background: #232d43; color: #fff; text-decoration: none; }
.sidebar nav a.active { background: #232d43; color: #fff; border-left-color: var(--primary); }
.sidebar nav a .emoji { font-size: 1.15rem; width: 1.6rem; text-align: center; flex-shrink: 0; }
body.sidebar-collapsed .sidebar nav a .label { display: none; }

.sidebar .user { padding: 0.7rem 1rem; border-top: 1px solid #2a3448; color: #cbd5e1; font-size: 0.85rem; }
.sidebar .user .who { margin-bottom: 0.4rem; overflow: hidden; text-overflow: ellipsis; }
body.sidebar-collapsed .sidebar .user .who { display: none; }
.sidebar .user button.link { background: none; border: 0; color: #cbd5e1; cursor: pointer; padding: 0; }
.sidebar .user button.link:hover { color: #fff; }
body.sidebar-collapsed .sidebar .user button.link .label { display: none; }

.sidebar-toggle {
  position: fixed; top: 0.7rem; left: calc(var(--sidebar-w) - 40px);
  z-index: 30;
  background: #2a3448; color: #fff; border: 0;
  width: 32px; height: 32px; border-radius: 4px;
  cursor: pointer; font-size: 1rem;
  transition: left 0.15s ease;
}
.sidebar-toggle:hover { background: var(--primary); }
body.sidebar-collapsed .sidebar-toggle { left: calc(var(--sidebar-w-collapsed) - 40px); }

.container { max-width: 1200px; margin: 1rem 0; padding: 0 1rem 3rem 1rem; margin-left: var(--sidebar-w); transition: margin-left 0.15s ease; }
body.sidebar-collapsed .container { margin-left: var(--sidebar-w-collapsed); }

h1 { font-size: 1.5rem; margin: 0.5rem 0 1rem; }
h2 { font-size: 1.15rem; margin: 1.2rem 0 0.6rem; }
h3 { font-size: 1rem; margin: 1rem 0 0.4rem; }

.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 1rem; margin-bottom: 1rem; }

table { width: 100%; border-collapse: collapse; background: var(--panel); }
th, td { padding: 0.55rem 0.6rem; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: #f0f2f7; font-weight: 600; font-size: 0.85rem; }
tr:hover td { background: #fafbfd; }

.btn, button, input[type="submit"] { display: inline-block; background: var(--primary); color: #fff; border: 0; padding: 0.5rem 0.9rem; border-radius: 5px; cursor: pointer; font-size: 0.9rem; }
.btn:hover, button:hover { background: var(--primary-dark); text-decoration: none; color: #fff; }
.btn.secondary { background: #64748b; }
.btn.danger { background: var(--rot); }
.btn.small { padding: 0.3rem 0.6rem; font-size: 0.8rem; }
.btn.disabled, button[disabled] { background: #94a3b8; cursor: not-allowed; }

form.inline { display: inline; }

label { display: block; font-weight: 600; margin: 0.7rem 0 0.2rem; font-size: 0.85rem; color: #334155; }
input, select, textarea { width: 100%; padding: 0.5rem 0.6rem; border: 1px solid var(--border); border-radius: 5px; font-size: 0.95rem; background: #fff; }
textarea { min-height: 60px; }
input[type="checkbox"] { width: auto; display: inline-block; margin-right: 0.4rem; }

.row { display: flex; gap: 1rem; flex-wrap: wrap; }
.row > * { flex: 1 1 200px; }

.ampel { display: inline-block; width: 0.8rem; height: 0.8rem; border-radius: 50%; }
.ampel.gruen { background: var(--gruen); }
.ampel.gelb { background: var(--gelb); }
.ampel.rot { background: var(--rot); }

.badge { display: inline-block; padding: 0.15rem 0.5rem; border-radius: 3px; font-size: 0.75rem; background: #e2e8f0; color: #334155; }
.badge.gruen { background: #dcfce7; color: #14532d; }
.badge.gelb { background: #fef9c3; color: #713f12; }
.badge.rot  { background: #fee2e2; color: #7f1d1d; }
.badge.blau { background: #dbeafe; color: #1e3a8a; }
.badge.grau { background: #e5e7eb; color: #374151; }

.msg { background: #ecfeff; border: 1px solid #a5f3fc; color: #164e63; padding: 0.6rem 0.8rem; border-radius: 5px; margin-bottom: 1rem; }
.err { background: #fef2f2; border: 1px solid #fecaca; color: #7f1d1d; padding: 0.6rem 0.8rem; border-radius: 5px; margin-bottom: 1rem; }
.warn { background: #fffbeb; border: 1px solid #fcd34d; color: #78350f; padding: 0.6rem 0.8rem; border-radius: 5px; margin-bottom: 1rem; }

.muted { color: var(--muted); font-size: 0.85rem; }

.scanner { width: 100%; max-width: 500px; margin: 1rem auto; }
.scanner video { width: 100%; border-radius: 5px; background: #000; }
#scan-region { border: 2px solid var(--primary); border-radius: 5px; padding: 4px; }

.dashboard-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.dashboard-grid a { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 1rem; display: block; }
.dashboard-grid a:hover { border-color: var(--primary); text-decoration: none; }
.dashboard-grid h3 { margin: 0 0 0.3rem; color: var(--primary); }
.dashboard-grid p { margin: 0; color: var(--muted); font-size: 0.85rem; }

.login-box { max-width: 380px; margin: 4rem auto; }
.login-box .panel { padding: 2rem; }

/* Modal-Dialog (native <dialog>) */
dialog { border: 1px solid var(--border); border-radius: 8px; padding: 1.5rem; max-width: 640px; width: 92%; }
dialog::backdrop { background: rgba(0,0,0,0.4); }
dialog h2 { margin-top: 0; }
dialog .actions { margin-top: 1rem; display: flex; gap: 0.6rem; justify-content: flex-end; }

/* Mobile: Sidebar wird zum Overlay */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); width: var(--sidebar-w); transition: transform 0.2s ease; }
  body.sidebar-open .sidebar { transform: translateX(0); }
  body.sidebar-collapsed .sidebar { width: var(--sidebar-w); transform: translateX(-100%); }
  .container { margin-left: 0; }
  body.sidebar-collapsed .container { margin-left: 0; }
  .sidebar-toggle { left: 0.5rem; }
  body.sidebar-collapsed .sidebar-toggle { left: 0.5rem; }
  body.sidebar-open .sidebar-toggle { left: calc(var(--sidebar-w) - 40px); }
}

@media (max-width: 640px) {
  .container { padding: 3rem 0.5rem 2rem 0.5rem; }
  th, td { padding: 0.4rem 0.4rem; font-size: 0.85rem; }
}

/* Schriftgroessen-Regler in der Sidebar */
.sidebar .fontscale {
  padding: 0.7rem 1rem; border-top: 1px solid #2a3448; color: #cbd5e1; font-size: 0.8rem;
}
.sidebar .fontscale .fs-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.4rem; gap: 0.5rem; }
.sidebar .fontscale .fs-head .label { white-space: nowrap; }
.sidebar .fontscale #fs-value { font-variant-numeric: tabular-nums; color: #fff; }
.sidebar .fontscale input[type="range"] { width: 100%; padding: 0; margin: 0.2rem 0; accent-color: var(--primary); background: transparent; border: 0; }
.sidebar .fontscale .fs-reset { background: none; border: 0; color: #93c5fd; cursor: pointer; padding: 0; font-size: 0.78rem; }
.sidebar .fontscale .fs-reset:hover { color: #fff; text-decoration: underline; }
body.sidebar-collapsed .sidebar .fontscale { display: none; }

/* Filter-Zeile über Tabellen */
.filter-bar { display: flex; gap: 1rem; align-items: end; flex-wrap: wrap; margin-bottom: 0.8rem; }
.filter-bar label { display: flex; flex-direction: column; gap: 0.2rem; font-size: 0.85em; color: var(--text-muted); }
.filter-bar select, .filter-bar input { min-width: 180px; }