:root {
  color-scheme: light dark;
  --bg: #0f1420;
  --panel: #171f30;
  --text: #e8ecf4;
  --muted: #93a0b8;
  --accent: #3d7eff;
  --accent-active: #22c55e;
  --danger: #ef4444;
  --border: #2a3348;

  /* Kollegen-Oberflaeche (Login/2FA/Passwort/Dashboard): zurueckhaltende
     Stahlblau-/Cyan-Akzente auf dunklem Graphit statt SaaS-Blau, angelehnt
     an CAD-/CNC-Steuerungsoberflaechen. Admin-Bereich bleibt bei --accent. */
  --ind-graphite: #0a0d13;
  --ind-panel: rgba(15, 20, 28, 0.86);
  --ind-border: rgba(126, 158, 176, 0.28);
  --ind-border-strong: rgba(126, 200, 216, 0.55);
  --ind-accent: #4fd1d9;
  --ind-accent-dim: rgba(79, 209, 217, 0.14);
}

/* Selbst gehostete Schriften fuer die Kollegen-Oberflaeche (Login/2FA/
   Passwort/Dashboard) - keine Google-Fonts-Abhaengigkeit zur Laufzeit, damit
   die Login-Seite auch ohne externe CDN-Erreichbarkeit funktioniert und die
   CSP eng bleibt. Rajdhani fuer Ueberschriften/Buttons (technische,
   CAD-artige Anmutung statt SaaS-Systemschrift), IBM Plex Sans fuer
   Fliesstext, IBM Plex Mono fuer technische Kennwerte (Status, Maschinen-
   nummer). Admin-Bereich bleibt bewusst bei der System-Schrift. */
@font-face {
  font-family: 'Rajdhani';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/static/fonts/rajdhani-600.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/static/fonts/plex-sans-400.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/static/fonts/plex-sans-600.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/static/fonts/plex-mono-400.woff2') format('woff2');
}

* { box-sizing: border-box; }

code {
  word-break: break-all;
  overflow-wrap: anywhere;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

body.industrial-bg, body.industrial-bg-login, body.industrial-bg-2fa, body.industrial-bg-pw {
  font-family: 'IBM Plex Sans', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

/* Jeder Schritt der Kollegen-Oberflaeche bekommt sein eigenes Motiv (alle
   vier von dir ausgewaehlten Bilder), damit sich Dashboard, Login, 2FA-
   Einrichtung und Passwort-Aenderung optisch unterscheiden statt eine
   generische, ueberall gleiche Flaeche zu sein. */
body.industrial-bg {
  background:
    linear-gradient(180deg, rgba(6, 8, 13, 0.2) 0%, rgba(6, 8, 13, 0.4) 45%, rgba(6, 8, 13, 0.68) 100%),
    url('/static/img/bg-cnc.webp') center center / cover no-repeat fixed;
}
body.industrial-bg-login {
  background:
    linear-gradient(180deg, rgba(6, 8, 13, 0.2) 0%, rgba(6, 8, 13, 0.4) 45%, rgba(6, 8, 13, 0.68) 100%),
    url('/static/img/bg-cnc-auth.webp') center center / cover no-repeat fixed;
}
body.industrial-bg-2fa {
  background:
    linear-gradient(180deg, rgba(6, 8, 13, 0.2) 0%, rgba(6, 8, 13, 0.4) 45%, rgba(6, 8, 13, 0.68) 100%),
    url('/static/img/bg-cnc-2fa.webp') center center / cover no-repeat fixed;
}
body.industrial-bg-pw {
  background:
    linear-gradient(180deg, rgba(6, 8, 13, 0.2) 0%, rgba(6, 8, 13, 0.4) 45%, rgba(6, 8, 13, 0.68) 100%),
    url('/static/img/bg-cnc-pw.webp') center center / cover no-repeat fixed;
}

.brand-eyebrow {
  display: block;
  font-family: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ind-accent);
  margin-bottom: 10px;
}

.auth-box {
  width: 100%;
  max-width: 360px;
  background: var(--ind-panel);
  backdrop-filter: blur(10px);
  border: 1px solid var(--ind-border);
  border-top: 2px solid var(--ind-accent);
  border-radius: 8px;
  padding: 32px;
}

.auth-box h1 {
  font-family: 'Rajdhani', system-ui, sans-serif;
  font-weight: 600;
  font-size: 1.6rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0 0 20px;
}

.auth-box input[type="text"], .auth-box input[type="password"] {
  border-radius: 6px;
  border-color: var(--ind-border);
  background: rgba(6, 9, 14, 0.7);
}
.auth-box input[type="text"]:focus, .auth-box input[type="password"]:focus {
  outline: none;
  border-color: var(--ind-accent);
  box-shadow: 0 0 0 1px var(--ind-accent-dim);
}

.auth-box button[type="submit"] {
  width: 100%;
  margin-top: 6px;
  background: transparent;
  color: var(--ind-accent);
  border: 1px solid var(--ind-border-strong);
  border-radius: 6px;
  font-family: 'Rajdhani', system-ui, sans-serif;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.95rem;
  transition: background-color 120ms ease, box-shadow 120ms ease;
}
.auth-box button[type="submit"]:hover {
  background: var(--ind-accent-dim);
  box-shadow: 0 0 0 1px var(--ind-border-strong);
}

form label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 14px;
}

input[type="text"], input[type="password"] {
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
}

button {
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 0.95rem;
  font-weight: 600;
}

.error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid var(--danger);
  color: #fecaca;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.dashboard {
  width: 100%;
  max-width: 560px;
  background: var(--ind-panel);
  backdrop-filter: blur(10px);
  border: 1px solid var(--ind-border);
  border-top: 2px solid var(--ind-accent);
  border-radius: 8px;
  padding: 28px;
}

.dashboard header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 8px;
}

.brand-block .brand-eyebrow { margin-bottom: 2px; }

.dashboard h1 {
  font-family: 'Rajdhani', system-ui, sans-serif;
  font-weight: 600;
  font-size: 1.6rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0;
}

.hint { color: var(--muted); font-size: 0.85rem; margin-bottom: 20px; }

.link-button {
  background: none;
  color: var(--muted);
  font-size: 0.85rem;
  padding: 4px 8px;
}

.customer-search {
  display: block;
  width: 100%;
  padding: 9px 12px;
  margin-bottom: 12px;
  background: rgba(6, 9, 14, 0.7);
  border: 1px solid var(--ind-border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.9rem;
}
.customer-search:focus {
  outline: none;
  border-color: var(--ind-accent);
  box-shadow: 0 0 0 1px var(--ind-accent-dim);
}

.machine-number {
  font-family: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.customer-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }

.customer-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(6, 9, 14, 0.55);
  border: 1px solid var(--ind-border);
  border-radius: 6px;
  transition: border-color 120ms ease, background-color 120ms ease;
}

.customer-card:hover { border-color: var(--ind-border-strong); background: rgba(9, 13, 20, 0.75); }

.customer-card.is-active { border-color: var(--accent-active); }

.customer-card-info { display: flex; flex-direction: column; gap: 4px; min-width: 0; }

.customer-name { font-size: 1.05rem; font-family: 'IBM Plex Sans', system-ui, sans-serif; font-weight: 600; }

.customer-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.status-dot { width: 7px; height: 7px; border-radius: 50%; flex: none; }
.status-online { background: var(--accent-active); box-shadow: 0 0 6px var(--accent-active); }
.status-offline { background: var(--muted); }
.status-unknown { background: transparent; border: 1px solid var(--muted); }

.connect-btn {
  flex: none;
  background: transparent;
  color: var(--ind-accent);
  border: 1px solid var(--ind-border-strong);
  border-radius: 6px;
  min-width: 140px;
  font-family: 'Rajdhani', system-ui, sans-serif;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.9rem;
  transition: background-color 120ms ease, box-shadow 120ms ease;
}
.connect-btn:hover { background: var(--ind-accent-dim); box-shadow: 0 0 0 1px var(--ind-border-strong); }

.connect-btn.is-active {
  background: rgba(34, 197, 94, 0.12);
  color: #86efac;
  border-color: var(--accent-active);
}

.connect-btn:disabled { opacity: 0.6; cursor: wait; }

.status-msg {
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.status-msg.ok { background: rgba(34, 197, 94, 0.15); border: 1px solid var(--accent-active); }
.status-msg.error { background: rgba(239, 68, 68, 0.15); border: 1px solid var(--danger); }

.empty { color: var(--muted); padding: 12px 4px; }

.router-ui-link {
  display: inline-block;
  margin-bottom: 16px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
  font-size: 0.85rem;
}
.router-ui-link:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Admin-Bereich ---------- */

.admin-body {
  display: block;
  align-items: initial;
  justify-content: initial;
  padding: 0;
}

.admin-header {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 32px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.admin-header .brand { font-weight: 700; color: var(--text); text-decoration: none; }

.admin-header nav { display: flex; gap: 18px; flex: 1; }

.admin-header nav a { color: var(--muted); text-decoration: none; font-size: 0.9rem; }
.admin-header nav a:hover { color: var(--text); }

.admin-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.admin-main h1 { font-size: 1.4rem; margin: 0 0 4px; }
.admin-main h2 { font-size: 1.05rem; margin: 28px 0 10px; color: var(--muted); }

.inline { display: flex; align-items: center; gap: 10px; }

.inline-form { display: flex; gap: 10px; margin: 18px 0; }
.inline-form input[type="text"] {
  flex: 1;
  padding: 10px 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
}
.inline-form button { background: var(--accent); color: #fff; }

.admin-table { width: 100%; border-collapse: collapse; margin-top: 8px; }
.admin-table th, .admin-table td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.admin-table th { color: var(--muted); font-weight: 600; }
.admin-table a { color: var(--accent); text-decoration: none; }

.danger-button { background: rgba(239, 68, 68, 0.15); color: #fecaca; border: 1px solid var(--danger); }

.stat-cards { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 18px; }
.stat-cards.small .stat-card { min-width: 100px; }
.stat-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 22px;
  min-width: 140px;
  text-decoration: none;
}
.stat-value { font-size: 1.8rem; font-weight: 700; color: var(--text); }
.stat-label { font-size: 0.8rem; color: var(--muted); }

.reveal-box {
  background: var(--panel);
  border: 1px solid var(--accent-active);
  border-radius: 10px;
  padding: 20px;
  margin: 20px 0;
}
.reveal-box h2 { margin-top: 0; color: var(--text); }

.config-box {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.82rem;
  margin-top: 8px;
}

.kv-table { border-collapse: collapse; margin: 12px 0; }
.kv-table th, .kv-table td { padding: 6px 12px 6px 0; text-align: left; font-size: 0.9rem; }
.kv-table th { color: var(--muted); font-weight: 500; }

.checkbox-filter {
  display: block;
  width: 100%;
  max-width: 320px;
  padding: 8px 12px;
  margin: 8px 0 10px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.9rem;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 8px;
  margin-bottom: 10px;
}
.checkbox-row { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; flex-wrap: wrap; }

.already-via-group {
  font-size: 0.72rem;
  color: var(--accent-active);
  background: rgba(34, 197, 94, 0.12);
  border-radius: 999px;
  padding: 1px 8px;
}

.customer-picker { max-width: 480px; margin-bottom: 10px; }
.customer-picker-search {
  display: block;
  width: 100%;
  padding: 8px 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.9rem;
}
.customer-picker-results {
  position: relative;
}
.customer-picker-results:not(:empty) {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-top: 4px;
  max-height: 220px;
  overflow-y: auto;
  background: var(--panel);
}
.customer-picker-result {
  padding: 8px 12px;
  font-size: 0.9rem;
  cursor: pointer;
}
.customer-picker-result:hover { background: var(--bg); }
.customer-picker-result.empty { color: var(--muted); cursor: default; }
.customer-picker-result.empty:hover { background: none; }
.customer-picker-selected {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.customer-picker-selected li {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 0.9rem;
}
.chip-remove {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1;
  padding: 2px 6px;
}
.chip-remove:hover { color: var(--danger); }

.settings-form { display: flex; flex-direction: column; gap: 14px; max-width: 480px; }
.settings-form label { display: flex; flex-direction: column; gap: 6px; font-size: 0.85rem; color: var(--muted); }
.settings-form label.checkbox-row { flex-direction: row; }
.settings-form input[type="text"], .settings-form input[type="number"] {
  padding: 9px 11px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
}
.settings-form button { align-self: flex-start; background: var(--accent); color: #fff; }

.badge { padding: 3px 10px; border-radius: 999px; font-size: 0.75rem; font-weight: 600; }
.badge-online { background: rgba(34, 197, 94, 0.18); color: #86efac; }
.badge-offline { background: rgba(148, 163, 184, 0.18); color: var(--muted); }

.settings-form details {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  background: var(--panel);
}
.settings-form summary { cursor: pointer; color: var(--muted); font-size: 0.85rem; }
.settings-form details[open] summary { margin-bottom: 10px; color: var(--text); }
.settings-form details label { margin-top: 10px; }

.zip-download-button {
  display: block;
  text-align: center;
  padding: 16px 20px;
  margin: 16px 0 6px;
  background: var(--accent-active);
  color: #06240f;
  font-weight: 700;
  font-size: 1.05rem;
  border-radius: 10px;
  text-decoration: none;
}
.zip-download-button:hover { filter: brightness(1.08); }

.setup-steps { padding-left: 20px; font-size: 0.9rem; line-height: 1.7; }
.passkey-list { padding-left: 20px; overflow-wrap: anywhere; }
.setup-steps code {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 0.85em;
}