:root {
  --brand: #1D4ED8;
  --brand-dark: #1E3A8A;
  --brand-light: #DBEAFE;
  --ink: #0F172A;
  --ink-soft: #475569;
  --ink-faint: #94A3B8;
  --paper: #F8FAFC;
  --card: #FFFFFF;
  --line: #E2E8F0;
  --ok: #16A34A;
  --warn: #D97706;
  --crit: #DC2626;
  --sidebar-bg: #0B1220;
  --sidebar-line: #1E293B;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, Menlo, monospace;
  --sans: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;
  /* abgeleitete Oberflaechen-Variablen (Tabellen, Modal, Warn-/Fehlerboxen) - passen sich im Darkmode an */
  --row-hover: #F8FAFC;
  --border-soft: #F1F5F9;
  --overlay-bg: rgba(15,23,42,.45);
  --modal-bg: #FFFFFF;
  --meter-track: #E2E8F0;
  --error-bg: #FEF2F2;
  --error-border: #FECACA;
  --warn-bg: #FFFBEB;
  --warn-border: #FDE68A;
}

/* ---------- Darkmode ----------
   Wird per data-theme="dark" auf <html> aktiviert (siehe static/theme.js).
   Nur die Oberflaechen-/Textfarben werden ueberschrieben - die Marken-
   farbe eines Mandanten (--brand/--brand-dark/--brand-light, inline pro
   Seite gesetzt) bleibt davon unberuehrt und funktioniert in beiden
   Modi weiter. */
:root[data-theme="dark"] {
  --ink: #E2E8F0;
  --ink-soft: #94A3B8;
  --ink-faint: #64748B;
  --paper: #0B1220;
  --card: #16202F;
  --line: #2A3A52;
  --ok: #4ADE80;
  --warn: #FBBF24;
  --crit: #F87171;
  --row-hover: #1C2739;
  --border-soft: #1E293B;
  --overlay-bg: rgba(0,0,0,.6);
  --modal-bg: #16202F;
  --meter-track: #2A3A52;
  --error-bg: rgba(248,113,113,.12);
  --error-border: rgba(248,113,113,.4);
  --warn-bg: rgba(251,191,36,.12);
  --warn-border: rgba(251,191,36,.4);
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
}

button { font-family: var(--sans); cursor: pointer; }
input, select, textarea { font-family: var(--sans); }

/* ---------- Login ---------- */
.login-body {
  height: 100vh; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(circle at 20% 20%, #16213E 0%, #0B1220 55%, #060A13 100%);
}
.login-card {
  background: var(--card); border-radius: 14px; padding: 40px 44px;
  width: 360px; box-shadow: 0 30px 60px rgba(0,0,0,.35);
}
.login-card h1 { margin: 0 0 2px; font-size: 22px; letter-spacing: -0.02em; }
.login-card h1 span { color: var(--brand); }
.login-logo { max-width: 180px; max-height: 64px; display: block; margin: 0 auto 16px; object-fit: contain; }
.powered-by { text-align: center; font-size: 10.5px; color: var(--ink-faint); margin-top: 22px; letter-spacing: .03em; }
.login-card .subtitle { color: var(--ink-faint); font-family: var(--mono); font-size: 12px; margin: 0 0 24px; text-transform: uppercase; letter-spacing: .08em; }
.login-card label { display: block; font-size: 12px; color: var(--ink-soft); margin: 14px 0 4px; }
.login-card input {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; font-size: 14px;
}
.login-card button {
  width: 100%; margin-top: 22px; padding: 11px; border: none; border-radius: 8px;
  background: var(--brand); color: #fff; font-weight: 600; font-size: 14px;
}
.login-card button:hover { background: var(--brand-dark); }
.error-box {
  background: var(--error-bg); color: var(--crit); border: 1px solid var(--error-border);
  padding: 8px 12px; border-radius: 8px; font-size: 13px; margin-bottom: 4px;
}

/* ---------- App shell ---------- */
.app { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }

.sidebar {
  background: var(--sidebar-bg); color: #CBD5E1; padding: 20px 14px;
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.brand { padding: 4px 8px 20px; border-bottom: 1px solid var(--sidebar-line); margin-bottom: 14px; }
.sidebar-logo { max-width: 100%; max-height: 40px; object-fit: contain; margin-bottom: 8px; display: block; }
.brand .name { font-weight: 700; font-size: 15px; color: #fff; }
.brand .name b { color: #60A5FA; }
.brand .tag { font-family: var(--mono); font-size: 10px; color: #64748B; text-transform: uppercase; letter-spacing: .1em; }

.nav-item {
  display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 8px;
  color: #94A3B8; font-size: 13.5px; margin-bottom: 2px; text-decoration: none; border: none;
  background: transparent; width: 100%; text-align: left;
}
.nav-item:hover { background: #131E33; color: #fff; }
.nav-item.active { background: var(--brand); color: #fff; }
.nav-item .count {
  margin-left: auto; font-family: var(--mono); font-size: 11px; background: #1E293B; color: #94A3B8;
  padding: 1px 6px; border-radius: 10px;
}
.nav-item.active .count { background: rgba(255,255,255,.25); color: #fff; }

.sidebar-footer { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--sidebar-line); }
.sidebar-footer .user { font-size: 12px; color: #64748B; padding: 0 10px 8px; font-family: var(--mono); }
.logout-link { color: #94A3B8; font-size: 12.5px; padding: 8px 10px; display: block; text-decoration: none; border-radius: 8px; }
.logout-link:hover { background: #131E33; color: #fff; }

.main { padding: 28px 36px; overflow-y: auto; }
.page-header { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 20px; }
.page-header h2 { margin: 0; font-size: 20px; letter-spacing: -0.01em; }
.page-header .sub { color: var(--ink-faint); font-size: 12.5px; font-family: var(--mono); }

/* ---------- Cards / KPI ---------- */
.kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 24px; }
.kpi-card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
.kpi-card .label { font-size: 11.5px; color: var(--ink-faint); text-transform: uppercase; letter-spacing: .06em; }
.kpi-card .value { font-size: 26px; font-weight: 700; margin-top: 4px; font-family: var(--mono); }
.kpi-card.crit .value { color: var(--crit); }
.kpi-card.warn .value { color: var(--warn); }
.kpi-card.ok .value { color: var(--ok); }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; margin-bottom: 18px; }
.card h3 { margin: 0 0 14px; font-size: 14.5px; }

/* ---------- Table ---------- */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; color: var(--ink-faint); font-weight: 600; font-size: 11px; text-transform: uppercase;
     letter-spacing: .04em; padding: 8px 10px; border-bottom: 1px solid var(--line); }
td { padding: 10px 10px; border-bottom: 1px solid var(--border-soft); vertical-align: middle; }
tr.clickable:hover { background: var(--row-hover); cursor: pointer; }
.mono { font-family: var(--mono); font-size: 12px; color: var(--ink-soft); }

.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.status-dot.online { background: var(--ok); box-shadow: 0 0 0 3px rgba(22,163,74,.15); }
.status-dot.offline { background: var(--crit); box-shadow: 0 0 0 3px rgba(220,38,38,.15); }
.status-dot.unknown { background: var(--ink-faint); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 5px; font-size: 11px; font-weight: 600; }
.badge.kritisch { background: #FEF2F2; color: var(--crit); }
.badge.wichtig { background: #FFFBEB; color: var(--warn); }
.badge.normal { background: #F1F5F9; color: var(--ink-soft); }
.badge.server { background: var(--brand-light); color: var(--brand-dark); }
.badge.client { background: #ECFDF5; color: #047857; }
.badge.sonstige { background: #F3F4F6; color: #4B5563; }

.btn { border: 1px solid var(--line); background: #fff; padding: 7px 13px; border-radius: 7px; font-size: 12.5px; font-weight: 600; color: var(--ink); }
.btn:hover { border-color: var(--brand); color: var(--brand); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.primary:hover { background: var(--brand-dark); }
.btn.danger { color: var(--crit); }
.btn.danger:hover { border-color: var(--crit); }
.btn.small { padding: 4px 9px; font-size: 11.5px; }

.toolbar { display: flex; gap: 8px; align-items: center; margin-bottom: 16px; }
.tabs { display: flex; gap: 4px; background: #F1F5F9; padding: 3px; border-radius: 8px; }
.tab { padding: 6px 14px; border-radius: 6px; font-size: 12.5px; font-weight: 600; color: var(--ink-soft); border: none; background: transparent; }
.tab.active { background: #fff; color: var(--ink); box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.spacer { flex: 1; }

.empty-state { text-align: center; padding: 50px 20px; color: var(--ink-faint); }
.empty-state .big { font-size: 28px; margin-bottom: 8px; }

/* ---------- Alerts ---------- */
.alert-row { display: flex; gap: 12px; align-items: flex-start; padding: 12px 14px; border-radius: 10px; margin-bottom: 8px; border: 1px solid var(--line); }
.alert-row.kritisch { border-color: #FECACA; background: #FEF2F2; }
.alert-row.wichtig { border-color: #FDE68A; background: #FFFBEB; }
.alert-row .dot { width: 8px; height: 8px; border-radius: 50%; margin-top: 5px; flex-shrink: 0; }
.alert-row.kritisch .dot { background: var(--crit); }
.alert-row.wichtig .dot { background: var(--warn); }
.alert-row .title { font-weight: 600; font-size: 13px; }
.alert-row .detail { color: var(--ink-soft); font-size: 12px; margin-top: 2px; }

/* ---------- Modal ---------- */
.overlay {
  position: fixed; inset: 0; background: var(--overlay-bg); display: flex;
  align-items: flex-start; justify-content: center; padding: 6vh 20px; overflow-y: auto; z-index: 50;
}
.modal { background: var(--modal-bg); border-radius: 14px; width: 560px; max-width: 100%; padding: 26px 28px; }
.modal h3 { margin: 0 0 18px; font-size: 16px; }
.modal .row { margin-bottom: 12px; }
.modal label { display: block; font-size: 12px; color: var(--ink-soft); margin-bottom: 4px; }
.modal input, .modal select, .modal textarea {
  width: 100%; padding: 9px 10px; border: 1px solid var(--line); border-radius: 7px; font-size: 13.5px;
}
.modal textarea { font-family: var(--mono); font-size: 12.5px; min-height: 70px; }
.modal .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; }
.modal .close-x { position: absolute; }

.detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px 24px; margin-bottom: 6px; }
.detail-grid div .k { font-size: 11px; color: var(--ink-faint); text-transform: uppercase; letter-spacing: .04em; }
.detail-grid div .v { font-size: 13px; margin-top: 2px; font-family: var(--mono); }

.config-box {
  background: #0B1220; color: #93C5FD; font-family: var(--mono); font-size: 12px;
  padding: 14px 16px; border-radius: 8px; white-space: pre-wrap; word-break: break-all;
}

@media print {
  body * { visibility: hidden; }
  .print-label, .print-label * { visibility: visible; }
  .print-label { position: fixed; top: 40px; left: 0; right: 0; margin: 0 auto; }
}

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; flex-direction: row; overflow-x: auto; }
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .detail-grid { grid-template-columns: repeat(2, 1fr); }
}
a.btn { text-decoration: none; display: inline-block; }
a.btn.primary:hover { color: #fff; }

/* ---- Geraetedetail v1.0.0.5: Kennzahlen, Reiter, Tabellen ---- */
.sub-line { font-size: 12.5px; color: var(--ink-faint); margin-top: 2px; font-family: var(--mono); }
.kpi-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; margin-bottom: 16px; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.kpi .k { font-size: 10.5px; color: var(--ink-faint); text-transform: uppercase; letter-spacing: .04em; }
.kpi .v { font-size: 15px; font-weight: 700; margin-top: 3px; }
.kpi.ok .v { color: var(--ok); } .kpi.warn .v { color: var(--warn); } .kpi.crit .v { color: var(--crit); }
.detail-tabs { margin-bottom: 16px; flex-wrap: wrap; }
.tab-pane[hidden] { display: none; }
.table-wrap { overflow-x: auto; }
.table-wrap table { min-width: 100%; }
td.wrap { white-space: normal; max-width: 520px; }
.meter { display: inline-block; width: 110px; height: 8px; background: var(--meter-track); border-radius: 4px; vertical-align: middle; overflow: hidden; }
.meter-fill { height: 100%; border-radius: 4px; }
.meter-fill.ok { background: var(--ok); } .meter-fill.warn { background: var(--warn); } .meter-fill.crit { background: var(--crit); }
.meter-label { margin-left: 8px; font-size: 12px; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.card-head h3 { margin: 0; }
.filters { display: flex; gap: 8px; }
.filter-input { padding: 6px 10px; border: 1px solid var(--line); border-radius: 7px; font-size: 12.5px; }
.card h3 .sub { font-weight: 400; color: var(--ink-faint); font-size: 12px; margin-left: 8px; }
td.nowrap { white-space: nowrap; }

/* ---- Dokumentation / Wissensdatenbank v1.0.0.5 ---- */
.kb-layout { display: grid; grid-template-columns: 240px 1fr; gap: 20px; align-items: start; }
.kb-sidebar { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px; position: sticky; top: 16px; }
.kb-search input { width: 100%; padding: 7px 10px; border: 1px solid var(--line); border-radius: 7px; font-size: 12.5px; margin-bottom: 10px; box-sizing: border-box; }
.kb-tree { max-height: 55vh; overflow-y: auto; }
.kb-folder-row { padding: 6px 8px; border-radius: 6px; font-size: 13px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 6px; }
.kb-folder-row:hover { background: var(--paper); }
.kb-folder-row.active { background: var(--brand-light); color: var(--brand-dark); font-weight: 600; }
.kb-folder-del { color: var(--ink-faint); font-size: 11px; opacity: 0; }
.kb-folder-row:hover .kb-folder-del { opacity: 1; }
.kb-folder-del:hover { color: var(--crit); }
.kb-main-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 16px; gap: 12px; flex-wrap: wrap; }
.kb-main-head h2 { margin: 0; }
.kb-row { cursor: pointer; }
.kb-row:hover td { background: var(--paper); }
.kb-preview { font-size: 11.5px; color: var(--ink-faint); margin-top: 2px; font-weight: 400; }
.kb-content { line-height: 1.65; font-size: 13.5px; }
.kb-content h3, .kb-content h4, .kb-content h5, .kb-content h6 { margin: 18px 0 8px; }
.kb-content h3:first-child { margin-top: 0; }
.kb-content pre { background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; overflow-x: auto; font-family: var(--mono); font-size: 12.5px; }
.kb-content code { background: var(--paper); padding: 1px 5px; border-radius: 4px; font-family: var(--mono); font-size: 12px; }
.kb-content ul { padding-left: 20px; }
.kb-version-row { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--line); gap: 12px; }
.kb-version-row:last-child { border-bottom: none; }
@media (max-width: 860px) {
  .kb-layout { grid-template-columns: 1fr; }
  .kb-sidebar { position: static; }
}

/* ---- Superadmin-Modus (Mandant betreten) v1.0.0.5 ---- */
.sa-banner { display:flex; align-items:center; gap:14px; flex-wrap:wrap; background:#0F172A; color:#E2E8F0; padding:9px 18px; border-radius:10px; margin:0 0 18px; font-size:13px; }
.sa-banner .sa-badge { background:#F59E0B; color:#0F172A; font-weight:700; padding:3px 9px; border-radius:6px; font-size:12px; }
.sa-banner .sa-switch { display:flex; align-items:center; gap:6px; margin-left:auto; }
.sa-banner select { padding:4px 8px; border-radius:6px; border:1px solid #334155; background:#1E293B; color:#F8FAFC; }
.sa-banner .btn { background:#1E293B; color:#F8FAFC; border-color:#334155; }
.sa-banner .btn:hover { background:#334155; }

.kb-section-title { font-size:10.5px; text-transform:uppercase; letter-spacing:.06em; color:var(--ink-faint); margin:14px 0 4px 8px; }
.kb-count { float:right; font-size:11px; color:var(--ink-faint); }
.kb-hint { font-size:12.5px; color:var(--ink-faint); margin:-6px 0 14px; }
.kb-content table { width:100%; border-collapse:collapse; font-size:12.5px; margin:6px 0 10px; }
.kb-content th, .kb-content td { border-bottom:1px solid var(--line); padding:5px 8px; text-align:left; vertical-align:top; }
.kb-content th { font-size:11px; text-transform:uppercase; letter-spacing:.04em; color:var(--ink-faint); }
.kb-main-head h2 .sub { font-size:12px; font-weight:400; color:var(--ink-faint); margin-left:6px; }

/* Geräte-Typen (v1.0.0.5+) */
.badge.firewall { background: #FEF2F2; color: #B91C1C; }
.badge.router { background: #EFF6FF; color: #1D4ED8; }
.badge.switch { background: #EEF2FF; color: #4338CA; }
.badge.accesspoint { background: #ECFEFF; color: #0E7490; }
.badge.drucker { background: #FFF7ED; color: #C2410C; }
.badge.nas { background: #F5F3FF; color: #6D28D9; }
.badge.usv { background: #FEFCE8; color: #A16207; }
.badge.kamera { background: #FDF4FF; color: #A21CAF; }
.badge.telefon { background: #F0FDFA; color: #0F766E; }

/* ---------- Darkmode: Badge-/Status-/Hinweisfarben ----------
   Die pastellfarbenen Hell-Varianten (helles Pastell + dunkler Text) werden im
   Darkmode auf transparente, dunkle Varianten mit hellerem Text umgestellt -
   sonst waeren sie auf dunklem Hintergrund kaum lesbar bzw. wirkten zu grell. */
:root[data-theme="dark"] .badge.kritisch { background: rgba(248,113,113,.15); color: #F87171; }
:root[data-theme="dark"] .badge.wichtig { background: rgba(251,191,36,.15); color: #FBBF24; }
:root[data-theme="dark"] .badge.normal { background: #1E293B; color: var(--ink-soft); }
:root[data-theme="dark"] .badge.server { background: rgba(96,165,250,.15); color: #93C5FD; }
:root[data-theme="dark"] .badge.client { background: rgba(74,222,128,.15); color: #4ADE80; }
:root[data-theme="dark"] .badge.sonstige { background: #1E293B; color: #CBD5E1; }
:root[data-theme="dark"] .badge.firewall { background: rgba(248,113,113,.15); color: #F87171; }
:root[data-theme="dark"] .badge.router { background: rgba(96,165,250,.15); color: #93C5FD; }
:root[data-theme="dark"] .badge.switch { background: rgba(129,140,248,.18); color: #A5B4FC; }
:root[data-theme="dark"] .badge.accesspoint { background: rgba(34,211,238,.15); color: #67E8F9; }
:root[data-theme="dark"] .badge.drucker { background: rgba(251,146,60,.18); color: #FDBA74; }
:root[data-theme="dark"] .badge.nas { background: rgba(167,139,250,.18); color: #C4B5FD; }
:root[data-theme="dark"] .badge.usv { background: rgba(250,204,21,.15); color: #FDE047; }
:root[data-theme="dark"] .badge.kamera { background: rgba(232,121,249,.15); color: #F0ABFC; }
:root[data-theme="dark"] .badge.telefon { background: rgba(45,212,191,.15); color: #5EEAD4; }

:root[data-theme="dark"] .alert-row.kritisch { border-color: rgba(248,113,113,.35); background: rgba(248,113,113,.08); }
:root[data-theme="dark"] .alert-row.wichtig { border-color: rgba(251,191,36,.35); background: rgba(251,191,36,.08); }

:root[data-theme="dark"] .kb-folder-row.active { background: rgba(96,165,250,.18); color: #93C5FD; }
:root[data-theme="dark"] .kb-content pre, :root[data-theme="dark"] .kb-content code { border-color: var(--line); }

:root[data-theme="dark"] input, :root[data-theme="dark"] select, :root[data-theme="dark"] textarea {
  background: var(--paper); color: var(--ink); border-color: var(--line);
}
:root[data-theme="dark"] .btn { background: var(--card); color: var(--ink); border-color: var(--line); }
:root[data-theme="dark"] .tabs { background: var(--paper); }
:root[data-theme="dark"] .tab.active { background: var(--card); color: var(--ink); }

/* ---------- Theme-Umschalter (Sidebar) ---------- */
.theme-switcher { margin: 0 0 12px; }
.theme-switcher label { display: block; font-size: 10.5px; text-transform: uppercase; letter-spacing: .06em; color: #64748B; margin-bottom: 4px; }
.theme-switcher select { width: 100%; padding: 6px 8px; border-radius: 6px; border: 1px solid var(--sidebar-line); background: #131E33; color: #E2E8F0; font-size: 12.5px; }
