.wcb-booking-picker {
    border: 2px solid #000;
    padding: 20px;
    margin-bottom: 20px;
    background: #f9f9f9;
}

.wcb-booking-picker h3 {
    margin-top: 0;
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.wcb-step {
    margin-top: 12px;
}

.wcb-step label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

#wcb-date-input {
    padding: 8px 12px;
    font-size: 15px;
    border: 1px solid #ccc;
    margin-right: 8px;
}

#wcb-load-slots {
    background: #000 !important;
    color: #fff !important;
    border: none !important;
    padding: 9px 18px !important;
    font-size: 13px !important;
    font-weight: 600 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.06em !important;
    cursor: pointer !important;
}

#wcb-load-slots:hover {
    background: #333 !important;
}

.wcb-slot-btn {
    display: inline-block;
    margin: 4px;
    padding: 8px 16px;
    border: 2px solid #000;
    background: #fff;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.15s;
}

.wcb-slot-btn:hover,
.wcb-slot-btn.selected {
    background: #000;
    color: #fff;
}

.wcb-no-slots {
    color: #999;
    font-style: italic;
}

.wcb-selected-display {
    background: #e8f5e9;
    border: 1px solid #4caf50;
    padding: 10px 14px;
    border-radius: 4px;
    font-size: 14px;
    margin: 0;
}

#wcb-change-slot {
    margin-left: 10px;
    font-size: 12px;
    color: #666;
}