.btb-booking-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 30px;
    background: transparent;
    font-family: 'Montserrat', sans-serif;
}

.btb-brand-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
    justify-content: center;
}

.btb-brand-btn {
    background: #f1f1f1;
    border: 2px solid transparent;
    padding: 10px 20px;
    border-radius: 30px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
    font-size: 14px;
}

.btb-brand-btn.active, .btb-brand-btn:hover {
    background: #e64522;
    color: #fff;
}

.btb-bikes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

.btb-bike-card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    padding: 20px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
    position: relative;
}

.btb-bike-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.btb-bike-card.active {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    z-index: 100;
}

.btb-bike-card.active .btb-select-bike-btn {
    display: none;
}

.btb-bike-disabled {
    opacity: 0.5;
    filter: grayscale(100%);
    pointer-events: none; /* Prevents clicking */
}

.btb-bike-image {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.btb-bike-image img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
}

.btb-no-image {
    color: #aaa;
    font-style: italic;
}

.btb-bike-title {
    font-size: 18px;
    margin: 0 0 15px 0;
    color: #333;
    font-weight: bold;
}

.btb-select-bike-btn {
    margin-top: auto;
}

.btb-form-group input[type="date"] {
    cursor: pointer;
    background-color: #fff;
}

.btb-form-group input[type="date"]::-webkit-calendar-picker-indicator {
    cursor: pointer;
    filter: invert(35%) sepia(85%) saturate(1900%) hue-rotate(345deg) brightness(95%) contrast(90%);
}

.btb-form-wrapper {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #fff;
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
    border-radius: 0 0 8px 8px;
    z-index: 100;
    display: none;
    text-align: left;
    box-sizing: border-box;
    border: 1px solid #eee;
    border-top: none;
}

.btb-bike-card.active .btb-form-wrapper {
    display: block;
}

.btb-booking-form-inner {
    padding: 20px;
    border-top: 1px solid #eee;
}

.btb-form-group {
    margin-bottom: 15px;
}

.btb-form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #555;
}

.btb-form-group input,
.btb-form-group select {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    color: #333;
    box-sizing: border-box;
}

.btb-form-group input:focus,
.btb-form-group select:focus {
    border-color: #e64522;
    outline: none;
}

.btb-size-boxes-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.btb-size-box {
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 8px 16px;
    cursor: pointer;
    font-weight: 600;
    background: #fff;
    color: #333;
    transition: all 0.2s ease;
    user-select: none;
    font-size: 14px;
}

.btb-size-box:hover {
    border-color: #000;
}

.btb-size-box.active {
    background: #000;
    color: #fff;
    border-color: #000;
}

.btb-size-box.disabled {
    background: #f5f5f5;
    color: #aaa;
    text-decoration: line-through;
    cursor: not-allowed;
    border-color: #eee;
}

.btb-size-box.disabled:hover {
    border-color: #eee;
}

.btb-size-description {
    margin-top: 8px;
    font-size: 13px;
    color: #666;
    font-style: italic;
    min-height: 20px;
}

.btb-time-boxes-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.btb-time-box {
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 8px 12px;
    cursor: pointer;
    font-weight: 600;
    background: #fff;
    color: #333;
    transition: all 0.2s ease;
    user-select: none;
    font-size: 14px;
}

.btb-time-box:hover:not(.disabled) {
    border-color: #000;
}

.btb-time-box.active {
    background: #000;
    color: #fff;
    border-color: #000;
}

.btb-time-box.disabled {
    background: #f5f5f5;
    color: #aaa;
    text-decoration: line-through;
    cursor: not-allowed;
    border-color: #eee;
}

.btb-time-placeholder {
    font-size: 14px;
    color: #777;
    font-style: italic;
    padding: 8px 0;
}

.btb-btn {
    background: #e64522;
    color: #fff;
    border: none;
    padding: 12px 25px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s;
    width: 100%;
}

.btb-btn:hover {
    background: #c83e12;
}

.btb-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.btb-btn-cancel {
    background: #f1f1f1;
    color: #333;
    border: none;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    margin-top: 10px;
    transition: background 0.3s;
}

.btb-btn-cancel:hover {
    background: #e2e2e2;
}

#btb-form-message {
    margin-top: 15px;
    padding: 10px;
    border-radius: 4px;
    font-weight: 600;
}

#btb-form-message.success {
    background: #d4edda;
    color: #155724;
}

#btb-form-message.error {
    background: #f8d7da;
    color: #721c24;
}

.btb-card-message {
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    padding: 10px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 14px;
    text-align: center;
    z-index: 101;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    animation: btbFadeIn 0.3s ease;
}

.btb-card-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

@keyframes btbFadeIn {
    from { opacity: 0; transform: translate(-50%, -10px); }
    to { opacity: 1; transform: translate(-50%, 0); }
}