.card-header{
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); 
color: white;
}
.card-header a{ 
color: white;
}
        .kennzeichen {
            font-family: "Courier New", Courier, monospace;
            color: #000;
            font-weight: 800;
        }
        .container {
            margin-bottom: 20px;
        }
        .logo {
            border: 5px solid #fff;
            border-radius: 8px;
            background: #fff;
            padding: 2px;
        }
        small { color: #ccc; }

        /* Footer sticky unten halten */
        html, body {
            height: 100%;
        }
        body {
            display: flex;
            flex-direction: column;
        }
        main {
            flex: 1 0 auto;
        }
        footer {
            flex-shrink: 0;
        }

        .footer-links a {
            color: rgba(255,255,255,0.85);
            margin-left: 1rem;
            text-decoration: none;
            font-weight: 500;
        }
        .footer-links a:hover {
            color: #fff;
            text-decoration: underline;
        }
.sort-icon-muted {
    color: #bbb !important;
}
.sort-icon-active {
    color: #000 !important;
}
.form-error {
    border: 2px solid #dc3545 !important;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}


/* Nummernschild-Optik für Zellen mit class="kennzeichen" */
/* Badge-Style für Kennzeichen (empfohlen auf SPAN/STRONG anwenden) */
.kennzeichen {
  display: inline-block;
  padding: 0px 8px;
  font-size: 0.875rem;      /* dezent */

  background: #fff;      /* hellgrau #f1f3f5 */
  color: #212529;           /* nahezu schwarz */
  border: 1px solid #dfe3e8;
  border-radius: 6px;
  letter-spacing: .04em;    /* leicht spreizen */
  white-space: nowrap;
  font-weight: 600;
}

/* (Optional) noch kompakter */
.kennzeichen--sm {
  padding: 1px 6px;
  font-size: 0.8rem;
}

/* Fallback: falls die Klasse direkt auf <td> sitzt, nicht die ganze Zelle „anmalen“ */
td.kennzeichen {
  background: transparent;   /* Tabellenlook bleibt */
  border: 0;
  padding: .25rem .5rem;
}


/* Alle Form-Felder fett (inkl. Bootstrap) */
input,
select,
textarea,
.form-control,
.form-select {
  font-weight: 600 !important;
}
/* Placeholder-Farbe auf #ccc (cross-browser) */
input::placeholder,
textarea::placeholder,
.form-control::placeholder,
.form-select::placeholder {
  color: #ccc !important;
  opacity: 1; /* Firefox */
}

/* Vendor-Prefixe für ältere Browser */
input::-webkit-input-placeholder,
textarea::-webkit-input-placeholder { color: #ccc !important; }
input::-moz-placeholder,
textarea::-moz-placeholder { color: #ccc !important; opacity: 1; }
input:-ms-input-placeholder,
textarea:-ms-input-placeholder { color: #ccc !important; }
input::-ms-input-placeholder,
textarea::-ms-input-placeholder { color: #ccc !important; }

.mittig{
text-align:center;
}

/* kennzeichen.php */
.sortable-table th {
    cursor: pointer;
    user-select: none;
    position: relative;
}
.sortable-table th:hover {
    background-color: var(--bs-light);
}
.sortable-table th.sort-asc::after {
    content: ' ↑';
    position: absolute;
    right: 8px;
    color: var(--bs-primary);
    font-weight: bold;
}
.sortable-table th.sort-desc::after {
    content: ' ↓';
    position: absolute;
    right: 8px;
    color: var(--bs-primary);
    font-weight: bold;
}
.zeile-frei {
    background-color: #f8f9fa;
    border-left: 3px dashed #adb5bd !important;

}
.duration-col { min-width: 80px; }
.sync-col { min-width: 70px; }

.apartment-link-btn {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .25rem .5rem;
    border-radius: .5rem;
    text-decoration: none !important;
    color: inherit !important;
}
.apartment-link-btn:hover,
.apartment-link-btn:focus {
    text-decoration: none !important;
    background: rgba(255,255,255,.12);
    color: inherit !important;
}
.apartment-link-btn:focus-visible {
    outline: 2px solid rgba(255,255,255,.6);
    outline-offset: 2px;
}




/* <<< NEU: Pulsierender grüner Punkt (immer neben Badge) */
/* Aktiv-Indikator (grüner, pulsierender Punkt) */
.active-dot{
    display:inline-block;
    width:10px;
    height:10px;
    margin-left:.5rem;
    border-radius:999px;
    background:#16a34a;
    box-shadow:0 0 0 0 rgba(22,163,74,.7);
    animation:pulse-active 1.6s ease-out infinite;
    vertical-align:middle;
}
@keyframes pulse-active{
    0%   { box-shadow:0 0 0 0   rgba(22,163,74,.7); transform:scale(1);   }
    70%  { box-shadow:0 0 0 12px rgba(22,163,74,0); transform:scale(1.06); }
    100% { box-shadow:0 0 0 0   rgba(22,163,74,0); transform:scale(1);   }
}


/* agentur_detail.php */
.sortable-table th {
    cursor: pointer;
    user-select: none;
    position: relative;
}

.sortable-table th:hover {
    background-color: var(--bs-light);
}

.sortable-table th.sort-asc::after {
    content: ' ↑';
    position: absolute;
    right: 8px;
    color: var(--bs-primary);
    font-weight: bold;
}

.sortable-table th.sort-desc::after {
    content: ' ↓';
    position: absolute;
    right: 8px;
    color: var(--bs-primary);
    font-weight: bold;
}

.zeile-frei {
    background-color: #f8f9fa;
    border-left: 3px dashed #adb5bd !important;

}

.duration-col {
    min-width: 80px;
}



/* Zugeklappter Zustand - dunkler Gradient */
.accordion-custom {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    color: white !important;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3) !important;
}

/* Aufgeklappter Zustand - noch intensiver */
.accordion-button:not(.collapsed) {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%) !important;
    color: white !important;
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5) !important;
}

.accordion-button::after {
    filter: brightness(0) invert(1);
}

.sortable-table th.sort-asc::after {
    content: ' ↑';
    position: absolute;
    right: 8px;
    color: white;
    font-weight: bold;
}

.sortable-table th.sort-desc::after {
    content: ' ↓';
    position: absolute;
    right: 8px;
    color: white;
    font-weight: bold;
}



.table-hover tbody tr:hover {
    transform: translateY(-1px);
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.btn-group .btn {
    border-radius: 6px !important;
    margin: 0 2px;
}

.input-group-text {
    border-radius: 8px 0 0 8px !important;
}

.form-control {
    border-radius: 0 8px 8px 0 !important;
}

.card {
    border-radius: 12px !important;
}

.badge {
    border-radius: 8px !important;
}
/* apartment_details.php */