/* Hintergrund für die gesamte Seite */
body, html {
    background: linear-gradient(to bottom, #000000, #0033a0); /* Schwarz zu Königsblau */
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #ffffff;
    margin: 0;
    padding: 0;
}

/* Container-Anpassung */
.sb-main, .sb-container {
    background: transparent !important;
    box-shadow: none !important;
}

/* Buchungs-Schritte (z. B. Kalender, Auswahl etc.) */
.sb-step, .sb-step-content {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    padding: 20px;
    margin: 10px 0;
}

/* Buttons modernisieren */
.sb-button, .sb-next-button, .sb-prev-button {
    background: linear-gradient(45deg, #000000, #0033a0);
    border: none;
    color: #ffffff;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s ease-in-out;
}

.sb-button:hover, .sb-next-button:hover, .sb-prev-button:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

/* Eingabefelder (z. B. Name, E-Mail) */
input, select, textarea {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid #ffffff;
    border-radius: 5px;
    padding: 10px;
    color: #ffffff;
    width: 100%;
}

/* Kalender & Uhrzeit-Stil */
.sb-timeslot, .sb-calendar {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: #ffffff;
}

/* Kopfzeile, falls vorhanden */
.sb-header, .sb-title {
    text-align: center;
    color: #ffffff;
    font-size: 2em;
    font-weight: bold;
    margin-top: 20px;
}

/* Footer */
.sb-footer {
    text-align: center;
    color: #cccccc;
    font-size: 0.8em;
    padding: 20px;