/* Filter Container Styles */
.filter-container {
    padding: 0.75rem 0;
}

.filter-wrapper {
    max-width: 600px;
    margin: 0 auto;
    background-color: #fff;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    box-shadow: 0 1px 5px rgba(0,0,0,0.1);
}

/* Form Styles */
.filter-form {
    width: 100%;
}

.size-fields {
    margin-bottom: 1rem;
}

.size-fields-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

/* Form Group Styles */
.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.4rem;
    color: #000;
}

.form-group input,
.form-group select {
    padding: 0.4rem 0.75rem;
    border: 1.5px solid rgba(0, 0, 0, 0.2);
    border-radius: 4px;
    font-size: 0.9rem;
    transition: border-color 0.3s;
    background-color: #fff;
    color: #000;
    cursor: pointer;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #dc3545;
}

.form-group select:hover {
    border-color: #dc3545;
}

/* Button Styles */
.find-tyres-btn {
    padding: 0.5rem 1.5rem;
    background-color: #dc3545;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
    max-width: 200px;
    margin: 0.25rem auto 0;
    display: block;
    font-size: 0.95rem;
}

.find-tyres-btn:hover {
    background-color: #c82333;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(220, 53, 69, 0.3);
}

.find-tyres-btn:active {
    transform: translateY(0);
}

/* Loading Spinner */
.loading-spinner {
    display: none;
    text-align: center;
    padding: 0.5rem;
}

.loading-spinner.active {
    display: block;
}

.loading-spinner p {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: #000;
}

.spinner {
    border: 2px solid #f0f0f0;
    border-top: 2px solid #dc3545;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */

/* Tablets (768px - 1023px) */
@media (max-width: 1023px) {
    .filter-wrapper {
        padding: 1.25rem;
        max-width: 550px;
    }

    .size-fields-grid {
        gap: 0.625rem;
    }
}

/* Small Tablets and Large Phones (481px - 767px) */
@media (max-width: 768px) {
    .size-fields-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .filter-wrapper {
        padding: 1rem;
        max-width: 95%;
    }
    
    .find-tyres-btn {
        max-width: 100%;
    }

    .form-group label {
        font-size: 0.85rem;
    }

    .form-group input,
    .form-group select {
        padding: 0.5rem 0.875rem;
        font-size: 0.875rem;
    }
}

/* Small Phones (max-width: 480px) */
@media (max-width: 480px) {
    .filter-container {
        padding: 0.5rem 0;
    }
    
    .filter-wrapper {
        padding: 0.75rem;
        max-width: 98%;
    }

    .form-group label {
        font-size: 0.8rem;
    }

    .form-group input,
    .form-group select {
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
    }

    .find-tyres-btn {
        padding: 0.5rem 1.25rem;
        font-size: 0.9rem;
    }
}

/* Extra Small Phones (max-width: 360px) */
@media (max-width: 360px) {
    .filter-wrapper {
        padding: 0.625rem;
    }

    .form-group input,
    .form-group select {
        padding: 0.45rem 0.625rem;
        font-size: 0.8rem;
    }

    .find-tyres-btn {
        padding: 0.45rem 1rem;
        font-size: 0.85rem;
    }
}