.bus-wrapper {
    max-width: 1000px;
    margin: 0 auto 40px;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.bus-front {
    background: #1a3c5e;
    color: white;
    padding: 20px;
    text-align: center;
    font-weight: bold;
}

.bus-front .driver-box {
    background: #ffca28;
    color: #333;
    display: inline-block;
    padding: 8px 20px;
    border-radius: 8px;
    font-size: 1.1em;
    margin-bottom: 8px;
}

.bus-body {
    padding: 20px;
}

.bus-row {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    gap: 40px;
}

.left-side, .right-side {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.aisle {
    width: 100px;
    text-align: center;
    color: #888;
    font-size: 0.95em;
    border-left: 3px dashed #bbb;
    border-right: 3px dashed #bbb;
    padding: 0 15px;
}

.bbs-seat {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid transparent;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.bbs-seat.available {
    background: #d4edda;
    border-color: #28a745;
    color: #155724;
}

.bbs-seat.available:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 15px rgba(40,167,69,0.4);
}

.bbs-seat.selected {
    background: #007bff;
    color: white;
    border-color: #0056b3;
    transform: scale(1.08);
}

.bbs-seat.booked, .bbs-seat.blocked {
    background: #e9ecef;
    color: #6c757d;
    cursor: not-allowed;
}

.bbs-summary-panel {
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
    text-align: center;
    margin: 0 auto 40px;
    max-width: 500px;
}

.bbs-summary-panel h3 {
    margin: 0 0 15px;
    color: #2c3e50;
}

#bbs-selected-seats {
    font-size: 1.1em;
    min-height: 24px;
    margin-bottom: 15px;
}

.total {
    font-size: 1.4em;
    font-weight: bold;
    color: #28a745;
    margin-bottom: 20px;
}

#bbs-proceed-btn {
    background: #28a745;
    color: white;
    border: none;
    padding: 16px 40px;
    font-size: 1.2em;
    border-radius: 8px;
    cursor: pointer;
    width: 100%;
}

#bbs-proceed-btn:disabled {
    background: #6c757d;
    cursor: not-allowed;
}